first commit

2024-11-05 12:22:50 +01:00
commit e5682a3912
19641 changed files with 2948548 additions and 0 deletions
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/AcceptHeaderItemTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/AcceptHeaderItemTest.php
@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\AcceptHeaderItem;
+
+class AcceptHeaderItemTest extends TestCase
+{
+    /**
+     * @dataProvider provideFromStringData
+     */
+    public function testFromString($string, $value, array $attributes)
+    {
+        $item = AcceptHeaderItem::fromString($string);
+        $this->assertEquals($value, $item->getValue());
+        $this->assertEquals($attributes, $item->getAttributes());
+    }
+
+    public function provideFromStringData()
+    {
+        return [
+            [
+                'text/html',
+                'text/html', [],
+            ],
+            [
+                '"this;should,not=matter"',
+                'this;should,not=matter', [],
+            ],
+            [
+                "text/plain; charset=utf-8;param=\"this;should,not=matter\";\tfootnotes=true",
+                'text/plain', ['charset' => 'utf-8', 'param' => 'this;should,not=matter', 'footnotes' => 'true'],
+            ],
+            [
+                '"this;should,not=matter";charset=utf-8',
+                'this;should,not=matter', ['charset' => 'utf-8'],
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider provideToStringData
+     */
+    public function testToString($value, array $attributes, $string)
+    {
+        $item = new AcceptHeaderItem($value, $attributes);
+        $this->assertEquals($string, (string) $item);
+    }
+
+    public function provideToStringData()
+    {
+        return [
+            [
+                'text/html', [],
+                'text/html',
+            ],
+            [
+                'text/plain', ['charset' => 'utf-8', 'param' => 'this;should,not=matter', 'footnotes' => 'true'],
+                'text/plain;charset=utf-8;param="this;should,not=matter";footnotes=true',
+            ],
+        ];
+    }
+
+    public function testValue()
+    {
+        $item = new AcceptHeaderItem('value', []);
+        $this->assertEquals('value', $item->getValue());
+
+        $item->setValue('new value');
+        $this->assertEquals('new value', $item->getValue());
+
+        $item->setValue(1);
+        $this->assertEquals('1', $item->getValue());
+    }
+
+    public function testQuality()
+    {
+        $item = new AcceptHeaderItem('value', []);
+        $this->assertEquals(1.0, $item->getQuality());
+
+        $item->setQuality(0.5);
+        $this->assertEquals(0.5, $item->getQuality());
+
+        $item->setAttribute('q', 0.75);
+        $this->assertEquals(0.75, $item->getQuality());
+        $this->assertFalse($item->hasAttribute('q'));
+    }
+
+    public function testAttribute()
+    {
+        $item = new AcceptHeaderItem('value', []);
+        $this->assertEquals([], $item->getAttributes());
+        $this->assertFalse($item->hasAttribute('test'));
+        $this->assertNull($item->getAttribute('test'));
+        $this->assertEquals('default', $item->getAttribute('test', 'default'));
+
+        $item->setAttribute('test', 'value');
+        $this->assertEquals(['test' => 'value'], $item->getAttributes());
+        $this->assertTrue($item->hasAttribute('test'));
+        $this->assertEquals('value', $item->getAttribute('test'));
+        $this->assertEquals('value', $item->getAttribute('test', 'default'));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/AcceptHeaderTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/AcceptHeaderTest.php
@@ -0,0 +1,103 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\AcceptHeader;
+use Symfony\Component\HttpFoundation\AcceptHeaderItem;
+
+class AcceptHeaderTest extends TestCase
+{
+    public function testFirst()
+    {
+        $header = AcceptHeader::fromString('text/plain; q=0.5, text/html, text/x-dvi; q=0.8, text/x-c');
+        $this->assertSame('text/html', $header->first()->getValue());
+    }
+
+    /**
+     * @dataProvider provideFromStringData
+     */
+    public function testFromString($string, array $items)
+    {
+        $header = AcceptHeader::fromString($string);
+        $parsed = array_values($header->all());
+        // reset index since the fixtures don't have them set
+        foreach ($parsed as $item) {
+            $item->setIndex(0);
+        }
+        $this->assertEquals($items, $parsed);
+    }
+
+    public function provideFromStringData()
+    {
+        return [
+            ['', []],
+            ['gzip', [new AcceptHeaderItem('gzip')]],
+            ['gzip,deflate,sdch', [new AcceptHeaderItem('gzip'), new AcceptHeaderItem('deflate'), new AcceptHeaderItem('sdch')]],
+            ["gzip, deflate\t,sdch", [new AcceptHeaderItem('gzip'), new AcceptHeaderItem('deflate'), new AcceptHeaderItem('sdch')]],
+            ['"this;should,not=matter"', [new AcceptHeaderItem('this;should,not=matter')]],
+        ];
+    }
+
+    /**
+     * @dataProvider provideToStringData
+     */
+    public function testToString(array $items, $string)
+    {
+        $header = new AcceptHeader($items);
+        $this->assertEquals($string, (string) $header);
+    }
+
+    public function provideToStringData()
+    {
+        return [
+            [[], ''],
+            [[new AcceptHeaderItem('gzip')], 'gzip'],
+            [[new AcceptHeaderItem('gzip'), new AcceptHeaderItem('deflate'), new AcceptHeaderItem('sdch')], 'gzip,deflate,sdch'],
+            [[new AcceptHeaderItem('this;should,not=matter')], 'this;should,not=matter'],
+        ];
+    }
+
+    /**
+     * @dataProvider provideFilterData
+     */
+    public function testFilter($string, $filter, array $values)
+    {
+        $header = AcceptHeader::fromString($string)->filter($filter);
+        $this->assertEquals($values, array_keys($header->all()));
+    }
+
+    public function provideFilterData()
+    {
+        return [
+            ['fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4', '/fr.*/', ['fr-FR', 'fr']],
+        ];
+    }
+
+    /**
+     * @dataProvider provideSortingData
+     */
+    public function testSorting($string, array $values)
+    {
+        $header = AcceptHeader::fromString($string);
+        $this->assertEquals($values, array_keys($header->all()));
+    }
+
+    public function provideSortingData()
+    {
+        return [
+            'quality has priority' => ['*;q=0.3,ISO-8859-1,utf-8;q=0.7', ['ISO-8859-1', 'utf-8', '*']],
+            'order matters when q is equal' => ['*;q=0.3,ISO-8859-1;q=0.7,utf-8;q=0.7', ['ISO-8859-1', 'utf-8', '*']],
+            'order matters when q is equal2' => ['*;q=0.3,utf-8;q=0.7,ISO-8859-1;q=0.7', ['utf-8', 'ISO-8859-1', '*']],
+        ];
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ApacheRequestTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ApacheRequestTest.php
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\ApacheRequest;
+
+class ApacheRequestTest extends TestCase
+{
+    /**
+     * @dataProvider provideServerVars
+     */
+    public function testUriMethods($server, $expectedRequestUri, $expectedBaseUrl, $expectedPathInfo)
+    {
+        $request = new ApacheRequest();
+        $request->server->replace($server);
+
+        $this->assertEquals($expectedRequestUri, $request->getRequestUri(), '->getRequestUri() is correct');
+        $this->assertEquals($expectedBaseUrl, $request->getBaseUrl(), '->getBaseUrl() is correct');
+        $this->assertEquals($expectedPathInfo, $request->getPathInfo(), '->getPathInfo() is correct');
+    }
+
+    public function provideServerVars()
+    {
+        return [
+            [
+                [
+                    'REQUEST_URI' => '/foo/app_dev.php/bar',
+                    'SCRIPT_NAME' => '/foo/app_dev.php',
+                    'PATH_INFO' => '/bar',
+                ],
+                '/foo/app_dev.php/bar',
+                '/foo/app_dev.php',
+                '/bar',
+            ],
+            [
+                [
+                    'REQUEST_URI' => '/foo/bar',
+                    'SCRIPT_NAME' => '/foo/app_dev.php',
+                ],
+                '/foo/bar',
+                '/foo',
+                '/bar',
+            ],
+            [
+                [
+                    'REQUEST_URI' => '/app_dev.php/foo/bar',
+                    'SCRIPT_NAME' => '/app_dev.php',
+                    'PATH_INFO' => '/foo/bar',
+                ],
+                '/app_dev.php/foo/bar',
+                '/app_dev.php',
+                '/foo/bar',
+            ],
+            [
+                [
+                    'REQUEST_URI' => '/foo/bar',
+                    'SCRIPT_NAME' => '/app_dev.php',
+                ],
+                '/foo/bar',
+                '',
+                '/foo/bar',
+            ],
+            [
+                [
+                    'REQUEST_URI' => '/app_dev.php',
+                    'SCRIPT_NAME' => '/app_dev.php',
+                ],
+                '/app_dev.php',
+                '/app_dev.php',
+                '/',
+            ],
+            [
+                [
+                    'REQUEST_URI' => '/',
+                    'SCRIPT_NAME' => '/app_dev.php',
+                ],
+                '/',
+                '',
+                '/',
+            ],
+        ];
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/BinaryFileResponseTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/BinaryFileResponseTest.php
@@ -0,0 +1,387 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use Symfony\Component\HttpFoundation\BinaryFileResponse;
+use Symfony\Component\HttpFoundation\File\Stream;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\ResponseHeaderBag;
+use Symfony\Component\HttpFoundation\Tests\File\FakeFile;
+
+class BinaryFileResponseTest extends ResponseTestCase
+{
+    public function testConstruction()
+    {
+        $file = __DIR__.'/../README.md';
+        $response = new BinaryFileResponse($file, 404, ['X-Header' => 'Foo'], true, null, true, true);
+        $this->assertEquals(404, $response->getStatusCode());
+        $this->assertEquals('Foo', $response->headers->get('X-Header'));
+        $this->assertTrue($response->headers->has('ETag'));
+        $this->assertTrue($response->headers->has('Last-Modified'));
+        $this->assertFalse($response->headers->has('Content-Disposition'));
+
+        $response = BinaryFileResponse::create($file, 404, [], true, ResponseHeaderBag::DISPOSITION_INLINE);
+        $this->assertEquals(404, $response->getStatusCode());
+        $this->assertFalse($response->headers->has('ETag'));
+        $this->assertEquals('inline; filename="README.md"', $response->headers->get('Content-Disposition'));
+    }
+
+    public function testConstructWithNonAsciiFilename()
+    {
+        touch(sys_get_temp_dir().'/fööö.html');
+
+        $response = new BinaryFileResponse(sys_get_temp_dir().'/fööö.html', 200, [], true, 'attachment');
+
+        @unlink(sys_get_temp_dir().'/fööö.html');
+
+        $this->assertSame('fööö.html', $response->getFile()->getFilename());
+    }
+
+    public function testSetContent()
+    {
+        $this->expectException('LogicException');
+        $response = new BinaryFileResponse(__FILE__);
+        $response->setContent('foo');
+    }
+
+    public function testGetContent()
+    {
+        $response = new BinaryFileResponse(__FILE__);
+        $this->assertFalse($response->getContent());
+    }
+
+    public function testSetContentDispositionGeneratesSafeFallbackFilename()
+    {
+        $response = new BinaryFileResponse(__FILE__);
+        $response->setContentDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, 'föö.html');
+
+        $this->assertSame('attachment; filename="f__.html"; filename*=utf-8\'\'f%C3%B6%C3%B6.html', $response->headers->get('Content-Disposition'));
+    }
+
+    public function testSetContentDispositionGeneratesSafeFallbackFilenameForWronglyEncodedFilename()
+    {
+        $response = new BinaryFileResponse(__FILE__);
+
+        $iso88591EncodedFilename = utf8_decode('föö.html');
+        $response->setContentDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, $iso88591EncodedFilename);
+
+        // the parameter filename* is invalid in this case (rawurldecode('f%F6%F6') does not provide a UTF-8 string but an ISO-8859-1 encoded one)
+        $this->assertSame('attachment; filename="f__.html"; filename*=utf-8\'\'f%F6%F6.html', $response->headers->get('Content-Disposition'));
+    }
+
+    /**
+     * @dataProvider provideRanges
+     */
+    public function testRequests($requestRange, $offset, $length, $responseRange)
+    {
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream'])->setAutoEtag();
+
+        // do a request to get the ETag
+        $request = Request::create('/');
+        $response->prepare($request);
+        $etag = $response->headers->get('ETag');
+
+        // prepare a request for a range of the testing file
+        $request = Request::create('/');
+        $request->headers->set('If-Range', $etag);
+        $request->headers->set('Range', $requestRange);
+
+        $file = fopen(__DIR__.'/File/Fixtures/test.gif', 'r');
+        fseek($file, $offset);
+        $data = fread($file, $length);
+        fclose($file);
+
+        $this->expectOutputString($data);
+        $response = clone $response;
+        $response->prepare($request);
+        $response->sendContent();
+
+        $this->assertEquals(206, $response->getStatusCode());
+        $this->assertEquals($responseRange, $response->headers->get('Content-Range'));
+        $this->assertSame((string) $length, $response->headers->get('Content-Length'));
+    }
+
+    /**
+     * @dataProvider provideRanges
+     */
+    public function testRequestsWithoutEtag($requestRange, $offset, $length, $responseRange)
+    {
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream']);
+
+        // do a request to get the LastModified
+        $request = Request::create('/');
+        $response->prepare($request);
+        $lastModified = $response->headers->get('Last-Modified');
+
+        // prepare a request for a range of the testing file
+        $request = Request::create('/');
+        $request->headers->set('If-Range', $lastModified);
+        $request->headers->set('Range', $requestRange);
+
+        $file = fopen(__DIR__.'/File/Fixtures/test.gif', 'r');
+        fseek($file, $offset);
+        $data = fread($file, $length);
+        fclose($file);
+
+        $this->expectOutputString($data);
+        $response = clone $response;
+        $response->prepare($request);
+        $response->sendContent();
+
+        $this->assertEquals(206, $response->getStatusCode());
+        $this->assertEquals($responseRange, $response->headers->get('Content-Range'));
+    }
+
+    public function provideRanges()
+    {
+        return [
+            ['bytes=1-4', 1, 4, 'bytes 1-4/35'],
+            ['bytes=-5', 30, 5, 'bytes 30-34/35'],
+            ['bytes=30-', 30, 5, 'bytes 30-34/35'],
+            ['bytes=30-30', 30, 1, 'bytes 30-30/35'],
+            ['bytes=30-34', 30, 5, 'bytes 30-34/35'],
+            ['bytes=30-40', 30, 5, 'bytes 30-34/35'],
+        ];
+    }
+
+    public function testRangeRequestsWithoutLastModifiedDate()
+    {
+        // prevent auto last modified
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream'], true, null, false, false);
+
+        // prepare a request for a range of the testing file
+        $request = Request::create('/');
+        $request->headers->set('If-Range', date('D, d M Y H:i:s').' GMT');
+        $request->headers->set('Range', 'bytes=1-4');
+
+        $this->expectOutputString(file_get_contents(__DIR__.'/File/Fixtures/test.gif'));
+        $response = clone $response;
+        $response->prepare($request);
+        $response->sendContent();
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertNull($response->headers->get('Content-Range'));
+    }
+
+    /**
+     * @dataProvider provideFullFileRanges
+     */
+    public function testFullFileRequests($requestRange)
+    {
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream'])->setAutoEtag();
+
+        // prepare a request for a range of the testing file
+        $request = Request::create('/');
+        $request->headers->set('Range', $requestRange);
+
+        $file = fopen(__DIR__.'/File/Fixtures/test.gif', 'r');
+        $data = fread($file, 35);
+        fclose($file);
+
+        $this->expectOutputString($data);
+        $response = clone $response;
+        $response->prepare($request);
+        $response->sendContent();
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+
+    public function provideFullFileRanges()
+    {
+        return [
+            ['bytes=0-'],
+            ['bytes=0-34'],
+            ['bytes=-35'],
+            // Syntactical invalid range-request should also return the full resource
+            ['bytes=20-10'],
+            ['bytes=50-40'],
+            // range units other than bytes must be ignored
+            ['unknown=10-20'],
+        ];
+    }
+
+    public function testRangeOnPostMethod()
+    {
+        $request = Request::create('/', 'POST');
+        $request->headers->set('Range', 'bytes=10-20');
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream']);
+
+        $file = fopen(__DIR__.'/File/Fixtures/test.gif', 'r');
+        $data = fread($file, 35);
+        fclose($file);
+
+        $this->expectOutputString($data);
+        $response = clone $response;
+        $response->prepare($request);
+        $response->sendContent();
+
+        $this->assertSame(200, $response->getStatusCode());
+        $this->assertSame('35', $response->headers->get('Content-Length'));
+        $this->assertNull($response->headers->get('Content-Range'));
+    }
+
+    public function testUnpreparedResponseSendsFullFile()
+    {
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200);
+
+        $data = file_get_contents(__DIR__.'/File/Fixtures/test.gif');
+
+        $this->expectOutputString($data);
+        $response = clone $response;
+        $response->sendContent();
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+
+    /**
+     * @dataProvider provideInvalidRanges
+     */
+    public function testInvalidRequests($requestRange)
+    {
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream'])->setAutoEtag();
+
+        // prepare a request for a range of the testing file
+        $request = Request::create('/');
+        $request->headers->set('Range', $requestRange);
+
+        $response = clone $response;
+        $response->prepare($request);
+        $response->sendContent();
+
+        $this->assertEquals(416, $response->getStatusCode());
+        $this->assertEquals('bytes */35', $response->headers->get('Content-Range'));
+    }
+
+    public function provideInvalidRanges()
+    {
+        return [
+            ['bytes=-40'],
+            ['bytes=40-50'],
+        ];
+    }
+
+    /**
+     * @dataProvider provideXSendfileFiles
+     */
+    public function testXSendfile($file)
+    {
+        $request = Request::create('/');
+        $request->headers->set('X-Sendfile-Type', 'X-Sendfile');
+
+        BinaryFileResponse::trustXSendfileTypeHeader();
+        $response = BinaryFileResponse::create($file, 200, ['Content-Type' => 'application/octet-stream']);
+        $response->prepare($request);
+
+        $this->expectOutputString('');
+        $response->sendContent();
+
+        $this->assertStringContainsString('README.md', $response->headers->get('X-Sendfile'));
+    }
+
+    public function provideXSendfileFiles()
+    {
+        return [
+            [__DIR__.'/../README.md'],
+            ['file://'.__DIR__.'/../README.md'],
+        ];
+    }
+
+    /**
+     * @dataProvider getSampleXAccelMappings
+     */
+    public function testXAccelMapping($realpath, $mapping, $virtual)
+    {
+        $request = Request::create('/');
+        $request->headers->set('X-Sendfile-Type', 'X-Accel-Redirect');
+        $request->headers->set('X-Accel-Mapping', $mapping);
+
+        $file = new FakeFile($realpath, __DIR__.'/File/Fixtures/test');
+
+        BinaryFileResponse::trustXSendfileTypeHeader();
+        $response = new BinaryFileResponse($file, 200, ['Content-Type' => 'application/octet-stream']);
+        $reflection = new \ReflectionObject($response);
+        $property = $reflection->getProperty('file');
+        $property->setAccessible(true);
+        $property->setValue($response, $file);
+
+        $response->prepare($request);
+        $this->assertEquals($virtual, $response->headers->get('X-Accel-Redirect'));
+    }
+
+    public function testDeleteFileAfterSend()
+    {
+        $request = Request::create('/');
+
+        $path = __DIR__.'/File/Fixtures/to_delete';
+        touch($path);
+        $realPath = realpath($path);
+        $this->assertFileExists($realPath);
+
+        $response = new BinaryFileResponse($realPath, 200, ['Content-Type' => 'application/octet-stream']);
+        $response->deleteFileAfterSend(true);
+
+        $response->prepare($request);
+        $response->sendContent();
+
+        $this->assertFileDoesNotExist($path);
+    }
+
+    public function testAcceptRangeOnUnsafeMethods()
+    {
+        $request = Request::create('/', 'POST');
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream']);
+        $response->prepare($request);
+
+        $this->assertEquals('none', $response->headers->get('Accept-Ranges'));
+    }
+
+    public function testAcceptRangeNotOverriden()
+    {
+        $request = Request::create('/', 'POST');
+        $response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, ['Content-Type' => 'application/octet-stream']);
+        $response->headers->set('Accept-Ranges', 'foo');
+        $response->prepare($request);
+
+        $this->assertEquals('foo', $response->headers->get('Accept-Ranges'));
+    }
+
+    public function getSampleXAccelMappings()
+    {
+        return [
+            ['/var/www/var/www/files/foo.txt', '/var/www/=/files/', '/files/var/www/files/foo.txt'],
+            ['/home/foo/bar.txt', '/var/www/=/files/,/home/foo/=/baz/', '/baz/bar.txt'],
+            ['/tmp/bar.txt', '"/var/www/"="/files/", "/home/Foo/"="/baz/"', null],
+        ];
+    }
+
+    public function testStream()
+    {
+        $request = Request::create('/');
+        $response = new BinaryFileResponse(new Stream(__DIR__.'/../README.md'), 200, ['Content-Type' => 'text/plain']);
+        $response->prepare($request);
+
+        $this->assertNull($response->headers->get('Content-Length'));
+    }
+
+    protected function provideResponse()
+    {
+        return new BinaryFileResponse(__DIR__.'/../README.md', 200, ['Content-Type' => 'application/octet-stream']);
+    }
+
+    public static function tearDownAfterClass()
+    {
+        $path = __DIR__.'/../Fixtures/to_delete';
+        if (file_exists($path)) {
+            @unlink($path);
+        }
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/CookieTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/CookieTest.php
@@ -0,0 +1,243 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Cookie;
+
+/**
+ * CookieTest.
+ *
+ * @author John Kary <john@johnkary.net>
+ * @author Hugo Hamon <hugo.hamon@sensio.com>
+ *
+ * @group time-sensitive
+ */
+class CookieTest extends TestCase
+{
+    public function namesWithSpecialCharacters()
+    {
+        return [
+            [',MyName'],
+            [';MyName'],
+            [' MyName'],
+            ["\tMyName"],
+            ["\rMyName"],
+            ["\nMyName"],
+            ["\013MyName"],
+            ["\014MyName"],
+        ];
+    }
+
+    /**
+     * @dataProvider namesWithSpecialCharacters
+     */
+    public function testInstantiationThrowsExceptionIfRawCookieNameContainsSpecialCharacters($name)
+    {
+        $this->expectException('InvalidArgumentException');
+        new Cookie($name, null, 0, null, null, null, false, true);
+    }
+
+    /**
+     * @dataProvider namesWithSpecialCharacters
+     */
+    public function testInstantiationSucceedNonRawCookieNameContainsSpecialCharacters($name)
+    {
+        $this->assertInstanceOf(Cookie::class, new Cookie($name));
+    }
+
+    public function testInstantiationThrowsExceptionIfCookieNameIsEmpty()
+    {
+        $this->expectException('InvalidArgumentException');
+        new Cookie('');
+    }
+
+    public function testInvalidExpiration()
+    {
+        $this->expectException('InvalidArgumentException');
+        new Cookie('MyCookie', 'foo', 'bar');
+    }
+
+    public function testNegativeExpirationIsNotPossible()
+    {
+        $cookie = new Cookie('foo', 'bar', -100);
+
+        $this->assertSame(0, $cookie->getExpiresTime());
+    }
+
+    public function testGetValue()
+    {
+        $value = 'MyValue';
+        $cookie = new Cookie('MyCookie', $value);
+
+        $this->assertSame($value, $cookie->getValue(), '->getValue() returns the proper value');
+    }
+
+    public function testGetPath()
+    {
+        $cookie = new Cookie('foo', 'bar');
+
+        $this->assertSame('/', $cookie->getPath(), '->getPath() returns / as the default path');
+    }
+
+    public function testGetExpiresTime()
+    {
+        $cookie = new Cookie('foo', 'bar');
+
+        $this->assertEquals(0, $cookie->getExpiresTime(), '->getExpiresTime() returns the default expire date');
+
+        $cookie = new Cookie('foo', 'bar', $expire = time() + 3600);
+
+        $this->assertEquals($expire, $cookie->getExpiresTime(), '->getExpiresTime() returns the expire date');
+    }
+
+    public function testGetExpiresTimeIsCastToInt()
+    {
+        $cookie = new Cookie('foo', 'bar', 3600.9);
+
+        $this->assertSame(3600, $cookie->getExpiresTime(), '->getExpiresTime() returns the expire date as an integer');
+    }
+
+    public function testConstructorWithDateTime()
+    {
+        $expire = new \DateTime();
+        $cookie = new Cookie('foo', 'bar', $expire);
+
+        $this->assertEquals($expire->format('U'), $cookie->getExpiresTime(), '->getExpiresTime() returns the expire date');
+    }
+
+    public function testConstructorWithDateTimeImmutable()
+    {
+        $expire = new \DateTimeImmutable();
+        $cookie = new Cookie('foo', 'bar', $expire);
+
+        $this->assertEquals($expire->format('U'), $cookie->getExpiresTime(), '->getExpiresTime() returns the expire date');
+    }
+
+    public function testGetExpiresTimeWithStringValue()
+    {
+        $value = '+1 day';
+        $cookie = new Cookie('foo', 'bar', $value);
+        $expire = strtotime($value);
+
+        $this->assertEqualsWithDelta($expire, $cookie->getExpiresTime(), 1, '->getExpiresTime() returns the expire date');
+    }
+
+    public function testGetDomain()
+    {
+        $cookie = new Cookie('foo', 'bar', 0, '/', '.myfoodomain.com');
+
+        $this->assertEquals('.myfoodomain.com', $cookie->getDomain(), '->getDomain() returns the domain name on which the cookie is valid');
+    }
+
+    public function testIsSecure()
+    {
+        $cookie = new Cookie('foo', 'bar', 0, '/', '.myfoodomain.com', true);
+
+        $this->assertTrue($cookie->isSecure(), '->isSecure() returns whether the cookie is transmitted over HTTPS');
+    }
+
+    public function testIsHttpOnly()
+    {
+        $cookie = new Cookie('foo', 'bar', 0, '/', '.myfoodomain.com', false, true);
+
+        $this->assertTrue($cookie->isHttpOnly(), '->isHttpOnly() returns whether the cookie is only transmitted over HTTP');
+    }
+
+    public function testCookieIsNotCleared()
+    {
+        $cookie = new Cookie('foo', 'bar', time() + 3600 * 24);
+
+        $this->assertFalse($cookie->isCleared(), '->isCleared() returns false if the cookie did not expire yet');
+    }
+
+    public function testCookieIsCleared()
+    {
+        $cookie = new Cookie('foo', 'bar', time() - 20);
+
+        $this->assertTrue($cookie->isCleared(), '->isCleared() returns true if the cookie has expired');
+
+        $cookie = new Cookie('foo', 'bar');
+
+        $this->assertFalse($cookie->isCleared());
+
+        $cookie = new Cookie('foo', 'bar', 0);
+
+        $this->assertFalse($cookie->isCleared());
+
+        $cookie = new Cookie('foo', 'bar', -1);
+
+        $this->assertFalse($cookie->isCleared());
+    }
+
+    public function testToString()
+    {
+        $cookie = new Cookie('foo', 'bar', $expire = strtotime('Fri, 20-May-2011 15:25:52 GMT'), '/', '.myfoodomain.com', true);
+        $this->assertEquals('foo=bar; expires=Fri, 20-May-2011 15:25:52 GMT; Max-Age=0; path=/; domain=.myfoodomain.com; secure; httponly', (string) $cookie, '->__toString() returns string representation of the cookie');
+
+        $cookie = new Cookie('foo', 'bar with white spaces', strtotime('Fri, 20-May-2011 15:25:52 GMT'), '/', '.myfoodomain.com', true);
+        $this->assertEquals('foo=bar%20with%20white%20spaces; expires=Fri, 20-May-2011 15:25:52 GMT; Max-Age=0; path=/; domain=.myfoodomain.com; secure; httponly', (string) $cookie, '->__toString() encodes the value of the cookie according to RFC 3986 (white space = %20)');
+
+        $cookie = new Cookie('foo', null, 1, '/admin/', '.myfoodomain.com');
+        $this->assertEquals('foo=deleted; expires='.gmdate('D, d-M-Y H:i:s T', $expire = time() - 31536001).'; Max-Age=0; path=/admin/; domain=.myfoodomain.com; httponly', (string) $cookie, '->__toString() returns string representation of a cleared cookie if value is NULL');
+
+        $cookie = new Cookie('foo', 'bar', 0, '/', '');
+        $this->assertEquals('foo=bar; path=/; httponly', (string) $cookie);
+    }
+
+    public function testRawCookie()
+    {
+        $cookie = new Cookie('foo', 'b a r', 0, '/', null, false, false);
+        $this->assertFalse($cookie->isRaw());
+        $this->assertEquals('foo=b%20a%20r; path=/', (string) $cookie);
+
+        $cookie = new Cookie('foo', 'b+a+r', 0, '/', null, false, false, true);
+        $this->assertTrue($cookie->isRaw());
+        $this->assertEquals('foo=b+a+r; path=/', (string) $cookie);
+    }
+
+    public function testGetMaxAge()
+    {
+        $cookie = new Cookie('foo', 'bar');
+        $this->assertEquals(0, $cookie->getMaxAge());
+
+        $cookie = new Cookie('foo', 'bar', $expire = time() + 100);
+        $this->assertEquals($expire - time(), $cookie->getMaxAge());
+
+        $cookie = new Cookie('foo', 'bar', $expire = time() - 100);
+        $this->assertEquals(0, $cookie->getMaxAge());
+    }
+
+    public function testFromString()
+    {
+        $cookie = Cookie::fromString('foo=bar; expires=Fri, 20-May-2011 15:25:52 GMT; path=/; domain=.myfoodomain.com; secure; httponly');
+        $this->assertEquals(new Cookie('foo', 'bar', strtotime('Fri, 20-May-2011 15:25:52 GMT'), '/', '.myfoodomain.com', true, true, true), $cookie);
+
+        $cookie = Cookie::fromString('foo=bar', true);
+        $this->assertEquals(new Cookie('foo', 'bar', 0, '/', null, false, false), $cookie);
+    }
+
+    public function testFromStringWithHttpOnly()
+    {
+        $cookie = Cookie::fromString('foo=bar; expires=Fri, 20-May-2011 15:25:52 GMT; path=/; domain=.myfoodomain.com; secure; httponly');
+        $this->assertTrue($cookie->isHttpOnly());
+
+        $cookie = Cookie::fromString('foo=bar; expires=Fri, 20-May-2011 15:25:52 GMT; path=/; domain=.myfoodomain.com; secure');
+        $this->assertFalse($cookie->isHttpOnly());
+    }
+
+    public function testSameSiteAttributeIsCaseInsensitive()
+    {
+        $cookie = new Cookie('foo', 'bar', 0, '/', null, false, true, false, 'Lax');
+        $this->assertEquals('lax', $cookie->getSameSite());
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ExpressionRequestMatcherTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ExpressionRequestMatcherTest.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+use Symfony\Component\HttpFoundation\ExpressionRequestMatcher;
+use Symfony\Component\HttpFoundation\Request;
+
+class ExpressionRequestMatcherTest extends TestCase
+{
+    public function testWhenNoExpressionIsSet()
+    {
+        $this->expectException('LogicException');
+        $expressionRequestMatcher = new ExpressionRequestMatcher();
+        $expressionRequestMatcher->matches(new Request());
+    }
+
+    /**
+     * @dataProvider provideExpressions
+     */
+    public function testMatchesWhenParentMatchesIsTrue($expression, $expected)
+    {
+        $request = Request::create('/foo');
+        $expressionRequestMatcher = new ExpressionRequestMatcher();
+
+        $expressionRequestMatcher->setExpression(new ExpressionLanguage(), $expression);
+        $this->assertSame($expected, $expressionRequestMatcher->matches($request));
+    }
+
+    /**
+     * @dataProvider provideExpressions
+     */
+    public function testMatchesWhenParentMatchesIsFalse($expression)
+    {
+        $request = Request::create('/foo');
+        $request->attributes->set('foo', 'foo');
+        $expressionRequestMatcher = new ExpressionRequestMatcher();
+        $expressionRequestMatcher->matchAttribute('foo', 'bar');
+
+        $expressionRequestMatcher->setExpression(new ExpressionLanguage(), $expression);
+        $this->assertFalse($expressionRequestMatcher->matches($request));
+    }
+
+    public function provideExpressions()
+    {
+        return [
+            ['request.getMethod() == method', true],
+            ['request.getPathInfo() == path', true],
+            ['request.getHost() == host', true],
+            ['request.getClientIp() == ip', true],
+            ['request.attributes.all() == attributes', true],
+            ['request.getMethod() == method && request.getPathInfo() == path && request.getHost() == host && request.getClientIp() == ip &&  request.attributes.all() == attributes', true],
+            ['request.getMethod() != method', false],
+            ['request.getMethod() != method && request.getPathInfo() == path && request.getHost() == host && request.getClientIp() == ip &&  request.attributes.all() == attributes', false],
+        ];
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/FakeFile.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/FakeFile.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\File;
+
+use Symfony\Component\HttpFoundation\File\File as OrigFile;
+
+class FakeFile extends OrigFile
+{
+    private $realpath;
+
+    public function __construct($realpath, $path)
+    {
+        $this->realpath = $realpath;
+        parent::__construct($path, false);
+    }
+
+    public function isReadable()
+    {
+        return true;
+    }
+
+    public function getRealpath()
+    {
+        return $this->realpath;
+    }
+
+    public function getSize()
+    {
+        return 42;
+    }
+
+    public function getMTime()
+    {
+        return time();
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/FileTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/FileTest.php
@@ -0,0 +1,180 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\File;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\File\File;
+use Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesser;
+
+class FileTest extends TestCase
+{
+    protected $file;
+
+    public function testGetMimeTypeUsesMimeTypeGuessers()
+    {
+        $file = new File(__DIR__.'/Fixtures/test.gif');
+        $guesser = $this->createMockGuesser($file->getPathname(), 'image/gif');
+
+        MimeTypeGuesser::getInstance()->register($guesser);
+
+        $this->assertEquals('image/gif', $file->getMimeType());
+    }
+
+    public function testGuessExtensionWithoutGuesser()
+    {
+        $file = new File(__DIR__.'/Fixtures/directory/.empty');
+
+        $this->assertNull($file->guessExtension());
+    }
+
+    public function testGuessExtensionIsBasedOnMimeType()
+    {
+        $file = new File(__DIR__.'/Fixtures/test');
+        $guesser = $this->createMockGuesser($file->getPathname(), 'image/gif');
+
+        MimeTypeGuesser::getInstance()->register($guesser);
+
+        $this->assertEquals('gif', $file->guessExtension());
+    }
+
+    /**
+     * @requires extension fileinfo
+     */
+    public function testGuessExtensionWithReset()
+    {
+        $file = new File(__DIR__.'/Fixtures/other-file.example');
+        $guesser = $this->createMockGuesser($file->getPathname(), 'image/gif');
+        MimeTypeGuesser::getInstance()->register($guesser);
+
+        $this->assertEquals('gif', $file->guessExtension());
+
+        MimeTypeGuesser::reset();
+
+        $this->assertNull($file->guessExtension());
+    }
+
+    public function testConstructWhenFileNotExists()
+    {
+        $this->expectException('Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException');
+
+        new File(__DIR__.'/Fixtures/not_here');
+    }
+
+    public function testMove()
+    {
+        $path = __DIR__.'/Fixtures/test.copy.gif';
+        $targetDir = __DIR__.'/Fixtures/directory';
+        $targetPath = $targetDir.'/test.copy.gif';
+        @unlink($path);
+        @unlink($targetPath);
+        copy(__DIR__.'/Fixtures/test.gif', $path);
+
+        $file = new File($path);
+        $movedFile = $file->move($targetDir);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\File\File', $movedFile);
+
+        $this->assertFileExists($targetPath);
+        $this->assertFileDoesNotExist($path);
+        $this->assertEquals(realpath($targetPath), $movedFile->getRealPath());
+
+        @unlink($targetPath);
+    }
+
+    public function testMoveWithNewName()
+    {
+        $path = __DIR__.'/Fixtures/test.copy.gif';
+        $targetDir = __DIR__.'/Fixtures/directory';
+        $targetPath = $targetDir.'/test.newname.gif';
+        @unlink($path);
+        @unlink($targetPath);
+        copy(__DIR__.'/Fixtures/test.gif', $path);
+
+        $file = new File($path);
+        $movedFile = $file->move($targetDir, 'test.newname.gif');
+
+        $this->assertFileExists($targetPath);
+        $this->assertFileDoesNotExist($path);
+        $this->assertEquals(realpath($targetPath), $movedFile->getRealPath());
+
+        @unlink($targetPath);
+    }
+
+    public function getFilenameFixtures()
+    {
+        return [
+            ['original.gif', 'original.gif'],
+            ['..\\..\\original.gif', 'original.gif'],
+            ['../../original.gif', 'original.gif'],
+            ['файлfile.gif', 'файлfile.gif'],
+            ['..\\..\\файлfile.gif', 'файлfile.gif'],
+            ['../../файлfile.gif', 'файлfile.gif'],
+        ];
+    }
+
+    /**
+     * @dataProvider getFilenameFixtures
+     */
+    public function testMoveWithNonLatinName($filename, $sanitizedFilename)
+    {
+        $path = __DIR__.'/Fixtures/'.$sanitizedFilename;
+        $targetDir = __DIR__.'/Fixtures/directory/';
+        $targetPath = $targetDir.$sanitizedFilename;
+        @unlink($path);
+        @unlink($targetPath);
+        copy(__DIR__.'/Fixtures/test.gif', $path);
+
+        $file = new File($path);
+        $movedFile = $file->move($targetDir, $filename);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\File\File', $movedFile);
+
+        $this->assertFileExists($targetPath);
+        $this->assertFileDoesNotExist($path);
+        $this->assertEquals(realpath($targetPath), $movedFile->getRealPath());
+
+        @unlink($targetPath);
+    }
+
+    public function testMoveToAnUnexistentDirectory()
+    {
+        $sourcePath = __DIR__.'/Fixtures/test.copy.gif';
+        $targetDir = __DIR__.'/Fixtures/directory/sub';
+        $targetPath = $targetDir.'/test.copy.gif';
+        @unlink($sourcePath);
+        @unlink($targetPath);
+        @rmdir($targetDir);
+        copy(__DIR__.'/Fixtures/test.gif', $sourcePath);
+
+        $file = new File($sourcePath);
+        $movedFile = $file->move($targetDir);
+
+        $this->assertFileExists($targetPath);
+        $this->assertFileDoesNotExist($sourcePath);
+        $this->assertEquals(realpath($targetPath), $movedFile->getRealPath());
+
+        @unlink($sourcePath);
+        @unlink($targetPath);
+        @rmdir($targetDir);
+    }
+
+    protected function createMockGuesser($path, $mimeType)
+    {
+        $guesser = $this->getMockBuilder('Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesserInterface')->getMock();
+        $guesser
+            ->expects($this->once())
+            ->method('guess')
+            ->with($this->equalTo($path))
+            ->willReturn($mimeType)
+        ;
+
+        return $guesser;
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/-test
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/-test
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/.unknownextension
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/.unknownextension
@@ -0,0 +1 @@
+f
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/case-sensitive-mime-type.xlsm
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/case-sensitive-mime-type.xlsm
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/directory/.empty
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/directory/.empty
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/directory/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/directory/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/other-file.example
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/other-file.example
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/test
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/test
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/test.docx
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/test.docx
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/test.gif
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/Fixtures/test.gif
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/MimeType/MimeTypeTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/MimeType/MimeTypeTest.php
@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\File\MimeType;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\File\MimeType\FileBinaryMimeTypeGuesser;
+use Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesser;
+
+/**
+ * @requires extension fileinfo
+ */
+class MimeTypeTest extends TestCase
+{
+    public function testGuessWithLeadingDash()
+    {
+        $cwd = getcwd();
+        chdir(__DIR__.'/../Fixtures');
+        try {
+            $this->assertEquals('image/gif', MimeTypeGuesser::getInstance()->guess('-test'));
+        } finally {
+            chdir($cwd);
+        }
+    }
+
+    public function testGuessImageWithoutExtension()
+    {
+        $this->assertEquals('image/gif', MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/test'));
+    }
+
+    public function testGuessImageWithDirectory()
+    {
+        $this->expectException('Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException');
+
+        MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/directory');
+    }
+
+    public function testGuessImageWithFileBinaryMimeTypeGuesser()
+    {
+        $guesser = MimeTypeGuesser::getInstance();
+        $guesser->register(new FileBinaryMimeTypeGuesser());
+        $this->assertEquals('image/gif', MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/test'));
+    }
+
+    public function testGuessImageWithKnownExtension()
+    {
+        $this->assertEquals('image/gif', MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/test.gif'));
+    }
+
+    public function testGuessFileWithUnknownExtension()
+    {
+        $this->assertEquals('application/octet-stream', MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/.unknownextension'));
+    }
+
+    /**
+     * @requires PHP 7.0
+     */
+    public function testGuessWithDuplicatedFileType()
+    {
+        if ('application/zip' === MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/test.docx')) {
+            $this->addToAssertionCount(1);
+
+            return;
+        }
+
+        $this->assertSame('application/vnd.openxmlformats-officedocument.wordprocessingml.document', MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/test.docx'));
+    }
+
+    public function testGuessWithIncorrectPath()
+    {
+        $this->expectException('Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException');
+        MimeTypeGuesser::getInstance()->guess(__DIR__.'/../Fixtures/not_here');
+    }
+
+    public function testGuessWithNonReadablePath()
+    {
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            $this->markTestSkipped('Can not verify chmod operations on Windows');
+        }
+
+        if (!getenv('USER') || 'root' === getenv('USER')) {
+            $this->markTestSkipped('This test will fail if run under superuser');
+        }
+
+        $path = __DIR__.'/../Fixtures/to_delete';
+        touch($path);
+        @chmod($path, 0333);
+
+        if ('0333' == substr(sprintf('%o', fileperms($path)), -4)) {
+            $this->expectException('Symfony\Component\HttpFoundation\File\Exception\AccessDeniedException');
+            MimeTypeGuesser::getInstance()->guess($path);
+        } else {
+            $this->markTestSkipped('Can not verify chmod operations, change of file permissions failed');
+        }
+    }
+
+    public static function tearDownAfterClass()
+    {
+        $path = __DIR__.'/../Fixtures/to_delete';
+        if (file_exists($path)) {
+            @chmod($path, 0666);
+            @unlink($path);
+        }
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/MimeType/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/MimeType/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/UploadedFileTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/UploadedFileTest.php
@@ -0,0 +1,298 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\File;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+
+class UploadedFileTest extends TestCase
+{
+    protected function setUp()
+    {
+        if (!ini_get('file_uploads')) {
+            $this->markTestSkipped('file_uploads is disabled in php.ini');
+        }
+    }
+
+    public function testConstructWhenFileNotExists()
+    {
+        $this->expectException('Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException');
+
+        new UploadedFile(
+            __DIR__.'/Fixtures/not_here',
+            'original.gif',
+            null
+        );
+    }
+
+    public function testFileUploadsWithNoMimeType()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            null,
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            \UPLOAD_ERR_OK
+        );
+
+        $this->assertEquals('application/octet-stream', $file->getClientMimeType());
+
+        if (\extension_loaded('fileinfo')) {
+            $this->assertEquals('image/gif', $file->getMimeType());
+        }
+    }
+
+    public function testFileUploadsWithUnknownMimeType()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/.unknownextension',
+            'original.gif',
+            null,
+            filesize(__DIR__.'/Fixtures/.unknownextension'),
+            \UPLOAD_ERR_OK
+        );
+
+        $this->assertEquals('application/octet-stream', $file->getClientMimeType());
+    }
+
+    public function testGuessClientExtension()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals('gif', $file->guessClientExtension());
+    }
+
+    public function testGuessClientExtensionWithIncorrectMimeType()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/png',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals('png', $file->guessClientExtension());
+    }
+
+    public function testCaseSensitiveMimeType()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/case-sensitive-mime-type.xlsm',
+            'test.xlsm',
+            'application/vnd.ms-excel.sheet.macroEnabled.12',
+            filesize(__DIR__.'/Fixtures/case-sensitive-mime-type.xlsm'),
+            null
+        );
+
+        $this->assertEquals('xlsm', $file->guessClientExtension());
+    }
+
+    public function testErrorIsOkByDefault()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals(\UPLOAD_ERR_OK, $file->getError());
+    }
+
+    public function testGetClientOriginalName()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals('original.gif', $file->getClientOriginalName());
+    }
+
+    public function testGetClientOriginalExtension()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals('gif', $file->getClientOriginalExtension());
+    }
+
+    public function testMoveLocalFileIsNotAllowed()
+    {
+        $this->expectException('Symfony\Component\HttpFoundation\File\Exception\FileException');
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            \UPLOAD_ERR_OK
+        );
+
+        $file->move(__DIR__.'/Fixtures/directory');
+    }
+
+    public function testMoveLocalFileIsAllowedInTestMode()
+    {
+        $path = __DIR__.'/Fixtures/test.copy.gif';
+        $targetDir = __DIR__.'/Fixtures/directory';
+        $targetPath = $targetDir.'/test.copy.gif';
+        @unlink($path);
+        @unlink($targetPath);
+        copy(__DIR__.'/Fixtures/test.gif', $path);
+
+        $file = new UploadedFile(
+            $path,
+            'original.gif',
+            'image/gif',
+            filesize($path),
+            \UPLOAD_ERR_OK,
+            true
+        );
+
+        $movedFile = $file->move(__DIR__.'/Fixtures/directory');
+
+        $this->assertFileExists($targetPath);
+        $this->assertFileDoesNotExist($path);
+        $this->assertEquals(realpath($targetPath), $movedFile->getRealPath());
+
+        @unlink($targetPath);
+    }
+
+    public function testGetClientOriginalNameSanitizeFilename()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            '../../original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals('original.gif', $file->getClientOriginalName());
+    }
+
+    public function testGetSize()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals(filesize(__DIR__.'/Fixtures/test.gif'), $file->getSize());
+
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test',
+            'original.gif',
+            'image/gif'
+        );
+
+        $this->assertEquals(filesize(__DIR__.'/Fixtures/test'), $file->getSize());
+    }
+
+    public function testGetExtension()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            null
+        );
+
+        $this->assertEquals('gif', $file->getExtension());
+    }
+
+    public function testIsValid()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            null,
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            \UPLOAD_ERR_OK,
+            true
+        );
+
+        $this->assertTrue($file->isValid());
+    }
+
+    /**
+     * @dataProvider uploadedFileErrorProvider
+     */
+    public function testIsInvalidOnUploadError($error)
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            null,
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            $error
+        );
+
+        $this->assertFalse($file->isValid());
+    }
+
+    public function uploadedFileErrorProvider()
+    {
+        return [
+            [\UPLOAD_ERR_INI_SIZE],
+            [\UPLOAD_ERR_FORM_SIZE],
+            [\UPLOAD_ERR_PARTIAL],
+            [\UPLOAD_ERR_NO_TMP_DIR],
+            [\UPLOAD_ERR_EXTENSION],
+        ];
+    }
+
+    public function testIsInvalidIfNotHttpUpload()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            null,
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            \UPLOAD_ERR_OK
+        );
+
+        $this->assertFalse($file->isValid());
+    }
+
+    public function testGetMaxFilesize()
+    {
+        $size = UploadedFile::getMaxFilesize();
+
+        $this->assertIsInt($size);
+        $this->assertGreaterThan(0, $size);
+
+        if (0 === (int) ini_get('post_max_size') && 0 === (int) ini_get('upload_max_filesize')) {
+            $this->assertSame(\PHP_INT_MAX, $size);
+        } else {
+            $this->assertLessThan(\PHP_INT_MAX, $size);
+        }
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/File/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/FileBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/FileBagTest.php
@@ -0,0 +1,173 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+use Symfony\Component\HttpFoundation\FileBag;
+
+/**
+ * FileBagTest.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Bulat Shakirzyanov <mallluhuct@gmail.com>
+ */
+class FileBagTest extends TestCase
+{
+    public function testFileMustBeAnArrayOrUploadedFile()
+    {
+        $this->expectException('InvalidArgumentException');
+        new FileBag(['file' => 'foo']);
+    }
+
+    public function testShouldConvertsUploadedFiles()
+    {
+        $tmpFile = $this->createTempFile();
+        $file = new UploadedFile($tmpFile, basename($tmpFile), 'text/plain', 100, 0);
+
+        $bag = new FileBag(['file' => [
+            'name' => basename($tmpFile),
+            'type' => 'text/plain',
+            'tmp_name' => $tmpFile,
+            'error' => 0,
+            'size' => 100,
+        ]]);
+
+        $this->assertEquals($file, $bag->get('file'));
+    }
+
+    public function testShouldSetEmptyUploadedFilesToNull()
+    {
+        $bag = new FileBag(['file' => [
+            'name' => '',
+            'type' => '',
+            'tmp_name' => '',
+            'error' => \UPLOAD_ERR_NO_FILE,
+            'size' => 0,
+        ]]);
+
+        $this->assertNull($bag->get('file'));
+    }
+
+    public function testShouldRemoveEmptyUploadedFilesForMultiUpload()
+    {
+        $bag = new FileBag(['files' => [
+            'name' => [''],
+            'type' => [''],
+            'tmp_name' => [''],
+            'error' => [\UPLOAD_ERR_NO_FILE],
+            'size' => [0],
+        ]]);
+
+        $this->assertSame([], $bag->get('files'));
+    }
+
+    public function testShouldNotRemoveEmptyUploadedFilesForAssociativeArray()
+    {
+        $bag = new FileBag(['files' => [
+            'name' => ['file1' => ''],
+            'type' => ['file1' => ''],
+            'tmp_name' => ['file1' => ''],
+            'error' => ['file1' => \UPLOAD_ERR_NO_FILE],
+            'size' => ['file1' => 0],
+        ]]);
+
+        $this->assertSame(['file1' => null], $bag->get('files'));
+    }
+
+    public function testShouldConvertUploadedFilesWithPhpBug()
+    {
+        $tmpFile = $this->createTempFile();
+        $file = new UploadedFile($tmpFile, basename($tmpFile), 'text/plain', 100, 0);
+
+        $bag = new FileBag([
+            'child' => [
+                'name' => [
+                    'file' => basename($tmpFile),
+                ],
+                'type' => [
+                    'file' => 'text/plain',
+                ],
+                'tmp_name' => [
+                    'file' => $tmpFile,
+                ],
+                'error' => [
+                    'file' => 0,
+                ],
+                'size' => [
+                    'file' => 100,
+                ],
+            ],
+        ]);
+
+        $files = $bag->all();
+        $this->assertEquals($file, $files['child']['file']);
+    }
+
+    public function testShouldConvertNestedUploadedFilesWithPhpBug()
+    {
+        $tmpFile = $this->createTempFile();
+        $file = new UploadedFile($tmpFile, basename($tmpFile), 'text/plain', 100, 0);
+
+        $bag = new FileBag([
+            'child' => [
+                'name' => [
+                    'sub' => ['file' => basename($tmpFile)],
+                ],
+                'type' => [
+                    'sub' => ['file' => 'text/plain'],
+                ],
+                'tmp_name' => [
+                    'sub' => ['file' => $tmpFile],
+                ],
+                'error' => [
+                    'sub' => ['file' => 0],
+                ],
+                'size' => [
+                    'sub' => ['file' => 100],
+                ],
+            ],
+        ]);
+
+        $files = $bag->all();
+        $this->assertEquals($file, $files['child']['sub']['file']);
+    }
+
+    public function testShouldNotConvertNestedUploadedFiles()
+    {
+        $tmpFile = $this->createTempFile();
+        $file = new UploadedFile($tmpFile, basename($tmpFile), 'text/plain', 100, 0);
+        $bag = new FileBag(['image' => ['file' => $file]]);
+
+        $files = $bag->all();
+        $this->assertEquals($file, $files['image']['file']);
+    }
+
+    protected function createTempFile()
+    {
+        return tempnam(sys_get_temp_dir().'/form_test', 'FormTest');
+    }
+
+    protected function setUp()
+    {
+        mkdir(sys_get_temp_dir().'/form_test', 0777, true);
+    }
+
+    protected function tearDown()
+    {
+        foreach (glob(sys_get_temp_dir().'/form_test/*') as $file) {
+            @unlink($file);
+        }
+
+        @rmdir(sys_get_temp_dir().'/form_test');
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/common.inc
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/common.inc
@@ -0,0 +1,43 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Response;
+
+$parent = __DIR__;
+while (!@file_exists($parent.'/vendor/autoload.php')) {
+    if (!@file_exists($parent)) {
+        // open_basedir restriction in effect
+        break;
+    }
+    if ($parent === dirname($parent)) {
+        echo "vendor/autoload.php not found\n";
+        exit(1);
+    }
+
+    $parent = dirname($parent);
+}
+
+require $parent.'/vendor/autoload.php';
+
+error_reporting(-1);
+ini_set('html_errors', 0);
+ini_set('display_errors', 1);
+
+if (filter_var(ini_get('xdebug.default_enable'), FILTER_VALIDATE_BOOLEAN)) {
+    xdebug_disable();
+}
+
+header_remove('X-Powered-By');
+header('Content-Type: text/plain; charset=utf-8');
+
+register_shutdown_function(function () {
+    echo "\n";
+    session_write_close();
+    print_r(headers_list());
+    echo "shutdown\n";
+});
+ob_start();
+
+$r = new Response();
+$r->headers->set('Date', 'Sat, 12 Nov 1955 20:04:00 GMT');
+
+return $r;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_max_age.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_max_age.expected
@@ -0,0 +1,11 @@
+
+Warning: Expiry date cannot have a year greater than 9999 in %scookie_max_age.php on line 10
+
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: no-cache, private
+    [2] => Date: Sat, 12 Nov 1955 20:04:00 GMT
+    [3] => Set-Cookie: foo=bar; expires=Sat, 01-Jan-10000 02:46:40 GMT; Max-Age=%d; path=/
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_max_age.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_max_age.php
@@ -0,0 +1,10 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Cookie;
+
+$r = require __DIR__.'/common.inc';
+
+$r->headers->setCookie(new Cookie('foo', 'bar', 253402310800, '', null, false, false));
+$r->sendHeaders();
+
+setcookie('foo2', 'bar', 253402310800, '/');
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_raw_urlencode.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_raw_urlencode.expected
@@ -0,0 +1,10 @@
+
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: no-cache, private
+    [2] => Date: Sat, 12 Nov 1955 20:04:00 GMT
+    [3] => Set-Cookie: ?*():@&+$/%#[]=?*():@&+$/%#[]; path=/
+    [4] => Set-Cookie: ?*():@&+$/%#[]=?*():@&+$/%#[]; path=/
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_raw_urlencode.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_raw_urlencode.php
@@ -0,0 +1,12 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Cookie;
+
+$r = require __DIR__.'/common.inc';
+
+$str = '?*():@&+$/%#[]';
+
+$r->headers->setCookie(new Cookie($str, $str, 0, '/', null, false, false, true));
+$r->sendHeaders();
+
+setrawcookie($str, $str, 0, '/', null, false, false);
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_lax.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_lax.expected
@@ -0,0 +1,9 @@
+
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: no-cache, private
+    [2] => Date: Sat, 12 Nov 1955 20:04:00 GMT
+    [3] => Set-Cookie: CookieSamesiteLaxTest=LaxValue; path=/; httponly; samesite=lax
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_lax.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_lax.php
@@ -0,0 +1,8 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Cookie;
+
+$r = require __DIR__.'/common.inc';
+
+$r->headers->setCookie(new Cookie('CookieSamesiteLaxTest', 'LaxValue', 0, '/', null, false, true, false, Cookie::SAMESITE_LAX));
+$r->sendHeaders();
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_strict.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_strict.expected
@@ -0,0 +1,9 @@
+
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: no-cache, private
+    [2] => Date: Sat, 12 Nov 1955 20:04:00 GMT
+    [3] => Set-Cookie: CookieSamesiteStrictTest=StrictValue; path=/; httponly; samesite=strict
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_strict.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_samesite_strict.php
@@ -0,0 +1,8 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Cookie;
+
+$r = require __DIR__.'/common.inc';
+
+$r->headers->setCookie(new Cookie('CookieSamesiteStrictTest', 'StrictValue', 0, '/', null, false, true, false, Cookie::SAMESITE_STRICT));
+$r->sendHeaders();
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_urlencode.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_urlencode.expected
@@ -0,0 +1,11 @@
+
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: no-cache, private
+    [2] => Date: Sat, 12 Nov 1955 20:04:00 GMT
+    [3] => Set-Cookie: %3D%2C%3B%20%09%0D%0A%0B%0C=%3D%2C%3B%20%09%0D%0A%0B%0C; path=/
+    [4] => Set-Cookie: ?*():@&+$/%#[]=%3F%2A%28%29%3A%40%26%2B%24%2F%25%23%5B%5D; path=/
+    [5] => Set-Cookie: ?*():@&+$/%#[]=%3F%2A%28%29%3A%40%26%2B%24%2F%25%23%5B%5D; path=/
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_urlencode.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/cookie_urlencode.php
@@ -0,0 +1,15 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Cookie;
+
+$r = require __DIR__.'/common.inc';
+
+$str1 = "=,; \t\r\n\v\f";
+$r->headers->setCookie(new Cookie($str1, $str1, 0, '', null, false, false, false, null));
+
+$str2 = '?*():@&+$/%#[]';
+
+$r->headers->setCookie(new Cookie($str2, $str2, 0, '', null, false, false, false, null));
+$r->sendHeaders();
+
+setcookie($str2, $str2, 0, '/');
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/invalid_cookie_name.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/invalid_cookie_name.expected
@@ -0,0 +1,6 @@
+The cookie name "Hello + world" contains invalid characters.
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/invalid_cookie_name.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Fixtures/response-functional/invalid_cookie_name.php
@@ -0,0 +1,11 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Cookie;
+
+$r = require __DIR__.'/common.inc';
+
+try {
+    $r->headers->setCookie(new Cookie('Hello + world', 'hodor', 0, null, null, null, false, true));
+} catch (\InvalidArgumentException $e) {
+    echo $e->getMessage();
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/HeaderBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/HeaderBagTest.php
@@ -0,0 +1,213 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\HeaderBag;
+
+class HeaderBagTest extends TestCase
+{
+    public function testConstructor()
+    {
+        $bag = new HeaderBag(['foo' => 'bar']);
+        $this->assertTrue($bag->has('foo'));
+    }
+
+    public function testToStringNull()
+    {
+        $bag = new HeaderBag();
+        $this->assertEquals('', $bag->__toString());
+    }
+
+    public function testToStringNotNull()
+    {
+        $bag = new HeaderBag(['foo' => 'bar']);
+        $this->assertEquals("Foo: bar\r\n", $bag->__toString());
+    }
+
+    public function testKeys()
+    {
+        $bag = new HeaderBag(['foo' => 'bar']);
+        $keys = $bag->keys();
+        $this->assertEquals('foo', $keys[0]);
+    }
+
+    public function testGetDate()
+    {
+        $bag = new HeaderBag(['foo' => 'Tue, 4 Sep 2012 20:00:00 +0200']);
+        $headerDate = $bag->getDate('foo');
+        $this->assertInstanceOf('DateTime', $headerDate);
+    }
+
+    public function testGetDateNull()
+    {
+        $bag = new HeaderBag(['foo' => null]);
+        $headerDate = $bag->getDate('foo');
+        $this->assertNull($headerDate);
+    }
+
+    public function testGetDateException()
+    {
+        $this->expectException('RuntimeException');
+        $bag = new HeaderBag(['foo' => 'Tue']);
+        $bag->getDate('foo');
+    }
+
+    public function testGetCacheControlHeader()
+    {
+        $bag = new HeaderBag();
+        $bag->addCacheControlDirective('public', '#a');
+        $this->assertTrue($bag->hasCacheControlDirective('public'));
+        $this->assertEquals('#a', $bag->getCacheControlDirective('public'));
+    }
+
+    public function testAll()
+    {
+        $bag = new HeaderBag(['foo' => 'bar']);
+        $this->assertEquals(['foo' => ['bar']], $bag->all(), '->all() gets all the input');
+
+        $bag = new HeaderBag(['FOO' => 'BAR']);
+        $this->assertEquals(['foo' => ['BAR']], $bag->all(), '->all() gets all the input key are lower case');
+    }
+
+    public function testReplace()
+    {
+        $bag = new HeaderBag(['foo' => 'bar']);
+
+        $bag->replace(['NOPE' => 'BAR']);
+        $this->assertEquals(['nope' => ['BAR']], $bag->all(), '->replace() replaces the input with the argument');
+        $this->assertFalse($bag->has('foo'), '->replace() overrides previously set the input');
+    }
+
+    public function testGet()
+    {
+        $bag = new HeaderBag(['foo' => 'bar', 'fuzz' => 'bizz']);
+        $this->assertEquals('bar', $bag->get('foo'), '->get return current value');
+        $this->assertEquals('bar', $bag->get('FoO'), '->get key in case insensitive');
+        $this->assertEquals(['bar'], $bag->get('foo', 'nope', false), '->get return the value as array');
+
+        // defaults
+        $this->assertNull($bag->get('none'), '->get unknown values returns null');
+        $this->assertEquals('default', $bag->get('none', 'default'), '->get unknown values returns default');
+        $this->assertEquals(['default'], $bag->get('none', 'default', false), '->get unknown values returns default as array');
+
+        $bag->set('foo', 'bor', false);
+        $this->assertEquals('bar', $bag->get('foo'), '->get return first value');
+        $this->assertEquals(['bar', 'bor'], $bag->get('foo', 'nope', false), '->get return all values as array');
+
+        $bag->set('baz', null);
+        $this->assertNull($bag->get('baz', 'nope'), '->get return null although different default value is given');
+    }
+
+    public function testSetAssociativeArray()
+    {
+        $bag = new HeaderBag();
+        $bag->set('foo', ['bad-assoc-index' => 'value']);
+        $this->assertSame('value', $bag->get('foo'));
+        $this->assertEquals(['value'], $bag->get('foo', 'nope', false), 'assoc indices of multi-valued headers are ignored');
+    }
+
+    public function testContains()
+    {
+        $bag = new HeaderBag(['foo' => 'bar', 'fuzz' => 'bizz']);
+        $this->assertTrue($bag->contains('foo', 'bar'), '->contains first value');
+        $this->assertTrue($bag->contains('fuzz', 'bizz'), '->contains second value');
+        $this->assertFalse($bag->contains('nope', 'nope'), '->contains unknown value');
+        $this->assertFalse($bag->contains('foo', 'nope'), '->contains unknown value');
+
+        // Multiple values
+        $bag->set('foo', 'bor', false);
+        $this->assertTrue($bag->contains('foo', 'bar'), '->contains first value');
+        $this->assertTrue($bag->contains('foo', 'bor'), '->contains second value');
+        $this->assertFalse($bag->contains('foo', 'nope'), '->contains unknown value');
+    }
+
+    public function testCacheControlDirectiveAccessors()
+    {
+        $bag = new HeaderBag();
+        $bag->addCacheControlDirective('public');
+
+        $this->assertTrue($bag->hasCacheControlDirective('public'));
+        $this->assertTrue($bag->getCacheControlDirective('public'));
+        $this->assertEquals('public', $bag->get('cache-control'));
+
+        $bag->addCacheControlDirective('max-age', 10);
+        $this->assertTrue($bag->hasCacheControlDirective('max-age'));
+        $this->assertEquals(10, $bag->getCacheControlDirective('max-age'));
+        $this->assertEquals('max-age=10, public', $bag->get('cache-control'));
+
+        $bag->removeCacheControlDirective('max-age');
+        $this->assertFalse($bag->hasCacheControlDirective('max-age'));
+    }
+
+    public function testCacheControlDirectiveParsing()
+    {
+        $bag = new HeaderBag(['cache-control' => 'public, max-age=10']);
+        $this->assertTrue($bag->hasCacheControlDirective('public'));
+        $this->assertTrue($bag->getCacheControlDirective('public'));
+
+        $this->assertTrue($bag->hasCacheControlDirective('max-age'));
+        $this->assertEquals(10, $bag->getCacheControlDirective('max-age'));
+
+        $bag->addCacheControlDirective('s-maxage', 100);
+        $this->assertEquals('max-age=10, public, s-maxage=100', $bag->get('cache-control'));
+    }
+
+    public function testCacheControlDirectiveParsingQuotedZero()
+    {
+        $bag = new HeaderBag(['cache-control' => 'max-age="0"']);
+        $this->assertTrue($bag->hasCacheControlDirective('max-age'));
+        $this->assertEquals(0, $bag->getCacheControlDirective('max-age'));
+    }
+
+    public function testCacheControlDirectiveOverrideWithReplace()
+    {
+        $bag = new HeaderBag(['cache-control' => 'private, max-age=100']);
+        $bag->replace(['cache-control' => 'public, max-age=10']);
+        $this->assertTrue($bag->hasCacheControlDirective('public'));
+        $this->assertTrue($bag->getCacheControlDirective('public'));
+
+        $this->assertTrue($bag->hasCacheControlDirective('max-age'));
+        $this->assertEquals(10, $bag->getCacheControlDirective('max-age'));
+    }
+
+    public function testCacheControlClone()
+    {
+        $headers = ['foo' => 'bar'];
+        $bag1 = new HeaderBag($headers);
+        $bag2 = new HeaderBag($bag1->all());
+
+        $this->assertEquals($bag1->all(), $bag2->all());
+    }
+
+    public function testGetIterator()
+    {
+        $headers = ['foo' => 'bar', 'hello' => 'world', 'third' => 'charm'];
+        $headerBag = new HeaderBag($headers);
+
+        $i = 0;
+        foreach ($headerBag as $key => $val) {
+            ++$i;
+            $this->assertEquals([$headers[$key]], $val);
+        }
+
+        $this->assertEquals(\count($headers), $i);
+    }
+
+    public function testCount()
+    {
+        $headers = ['foo' => 'bar', 'HELLO' => 'WORLD'];
+        $headerBag = new HeaderBag($headers);
+
+        $this->assertCount(\count($headers), $headerBag);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/IpUtilsTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/IpUtilsTest.php
@@ -0,0 +1,104 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\IpUtils;
+
+class IpUtilsTest extends TestCase
+{
+    /**
+     * @dataProvider getIpv4Data
+     */
+    public function testIpv4($matches, $remoteAddr, $cidr)
+    {
+        $this->assertSame($matches, IpUtils::checkIp($remoteAddr, $cidr));
+    }
+
+    public function getIpv4Data()
+    {
+        return [
+            [true, '192.168.1.1', '192.168.1.1'],
+            [true, '192.168.1.1', '192.168.1.1/1'],
+            [true, '192.168.1.1', '192.168.1.0/24'],
+            [false, '192.168.1.1', '1.2.3.4/1'],
+            [false, '192.168.1.1', '192.168.1.1/33'], // invalid subnet
+            [true, '192.168.1.1', ['1.2.3.4/1', '192.168.1.0/24']],
+            [true, '192.168.1.1', ['192.168.1.0/24', '1.2.3.4/1']],
+            [false, '192.168.1.1', ['1.2.3.4/1', '4.3.2.1/1']],
+            [true, '1.2.3.4', '0.0.0.0/0'],
+            [true, '1.2.3.4', '192.168.1.0/0'],
+            [false, '1.2.3.4', '256.256.256/0'], // invalid CIDR notation
+            [false, 'an_invalid_ip', '192.168.1.0/24'],
+        ];
+    }
+
+    /**
+     * @dataProvider getIpv6Data
+     */
+    public function testIpv6($matches, $remoteAddr, $cidr)
+    {
+        if (!\defined('AF_INET6')) {
+            $this->markTestSkipped('Only works when PHP is compiled without the option "disable-ipv6".');
+        }
+
+        $this->assertSame($matches, IpUtils::checkIp($remoteAddr, $cidr));
+    }
+
+    public function getIpv6Data()
+    {
+        return [
+            [true, '2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65'],
+            [false, '2a00:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65'],
+            [false, '2a01:198:603:0:396e:4789:8e99:890f', '::1'],
+            [true, '0:0:0:0:0:0:0:1', '::1'],
+            [false, '0:0:603:0:396e:4789:8e99:0001', '::1'],
+            [true, '0:0:603:0:396e:4789:8e99:0001', '::/0'],
+            [true, '0:0:603:0:396e:4789:8e99:0001', '2a01:198:603:0::/0'],
+            [true, '2a01:198:603:0:396e:4789:8e99:890f', ['::1', '2a01:198:603:0::/65']],
+            [true, '2a01:198:603:0:396e:4789:8e99:890f', ['2a01:198:603:0::/65', '::1']],
+            [false, '2a01:198:603:0:396e:4789:8e99:890f', ['::1', '1a01:198:603:0::/65']],
+            [false, '}__test|O:21:&quot;JDatabaseDriverMysqli&quot;:3:{s:2', '::1'],
+            [false, '2a01:198:603:0:396e:4789:8e99:890f', 'unknown'],
+        ];
+    }
+
+    /**
+     * @requires extension sockets
+     */
+    public function testAnIpv6WithOptionDisabledIpv6()
+    {
+        $this->expectException('RuntimeException');
+        if (\defined('AF_INET6')) {
+            $this->markTestSkipped('Only works when PHP is compiled with the option "disable-ipv6".');
+        }
+
+        IpUtils::checkIp('2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65');
+    }
+
+    /**
+     * @dataProvider invalidIpAddressData
+     */
+    public function testInvalidIpAddressesDoNotMatch($requestIp, $proxyIp)
+    {
+        $this->assertFalse(IpUtils::checkIp4($requestIp, $proxyIp));
+    }
+
+    public function invalidIpAddressData()
+    {
+        return [
+            'invalid proxy wildcard' => ['192.168.20.13', '*'],
+            'invalid proxy missing netmask' => ['192.168.20.13', '0.0.0.0'],
+            'invalid request IP with invalid proxy wildcard' => ['0.0.0.0', '*'],
+        ];
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/JsonResponseTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/JsonResponseTest.php
@@ -0,0 +1,262 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\JsonResponse;
+
+class JsonResponseTest extends TestCase
+{
+    protected function setUp()
+    {
+        parent::setUp();
+
+        if (!\defined('HHVM_VERSION')) {
+            $this->iniSet('serialize_precision', 14);
+        }
+    }
+
+    public function testConstructorEmptyCreatesJsonObject()
+    {
+        $response = new JsonResponse();
+        $this->assertSame('{}', $response->getContent());
+    }
+
+    public function testConstructorWithArrayCreatesJsonArray()
+    {
+        $response = new JsonResponse([0, 1, 2, 3]);
+        $this->assertSame('[0,1,2,3]', $response->getContent());
+    }
+
+    public function testConstructorWithAssocArrayCreatesJsonObject()
+    {
+        $response = new JsonResponse(['foo' => 'bar']);
+        $this->assertSame('{"foo":"bar"}', $response->getContent());
+    }
+
+    public function testConstructorWithSimpleTypes()
+    {
+        $response = new JsonResponse('foo');
+        $this->assertSame('"foo"', $response->getContent());
+
+        $response = new JsonResponse(0);
+        $this->assertSame('0', $response->getContent());
+
+        $response = new JsonResponse(0.1);
+        $this->assertEquals(0.1, $response->getContent());
+        $this->assertIsString($response->getContent());
+
+        $response = new JsonResponse(true);
+        $this->assertSame('true', $response->getContent());
+    }
+
+    public function testConstructorWithCustomStatus()
+    {
+        $response = new JsonResponse([], 202);
+        $this->assertSame(202, $response->getStatusCode());
+    }
+
+    public function testConstructorAddsContentTypeHeader()
+    {
+        $response = new JsonResponse();
+        $this->assertSame('application/json', $response->headers->get('Content-Type'));
+    }
+
+    public function testConstructorWithCustomHeaders()
+    {
+        $response = new JsonResponse([], 200, ['ETag' => 'foo']);
+        $this->assertSame('application/json', $response->headers->get('Content-Type'));
+        $this->assertSame('foo', $response->headers->get('ETag'));
+    }
+
+    public function testConstructorWithCustomContentType()
+    {
+        $headers = ['Content-Type' => 'application/vnd.acme.blog-v1+json'];
+
+        $response = new JsonResponse([], 200, $headers);
+        $this->assertSame('application/vnd.acme.blog-v1+json', $response->headers->get('Content-Type'));
+    }
+
+    public function testSetJson()
+    {
+        $response = new JsonResponse('1', 200, [], true);
+        $this->assertEquals('1', $response->getContent());
+
+        $response = new JsonResponse('[1]', 200, [], true);
+        $this->assertEquals('[1]', $response->getContent());
+
+        $response = new JsonResponse(null, 200, []);
+        $response->setJson('true');
+        $this->assertEquals('true', $response->getContent());
+    }
+
+    public function testCreate()
+    {
+        $response = JsonResponse::create(['foo' => 'bar'], 204);
+
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertEquals('{"foo":"bar"}', $response->getContent());
+        $this->assertEquals(204, $response->getStatusCode());
+    }
+
+    public function testStaticCreateEmptyJsonObject()
+    {
+        $response = JsonResponse::create();
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertSame('{}', $response->getContent());
+    }
+
+    public function testStaticCreateJsonArray()
+    {
+        $response = JsonResponse::create([0, 1, 2, 3]);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertSame('[0,1,2,3]', $response->getContent());
+    }
+
+    public function testStaticCreateJsonObject()
+    {
+        $response = JsonResponse::create(['foo' => 'bar']);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertSame('{"foo":"bar"}', $response->getContent());
+    }
+
+    public function testStaticCreateWithSimpleTypes()
+    {
+        $response = JsonResponse::create('foo');
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertSame('"foo"', $response->getContent());
+
+        $response = JsonResponse::create(0);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertSame('0', $response->getContent());
+
+        $response = JsonResponse::create(0.1);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertEquals(0.1, $response->getContent());
+        $this->assertIsString($response->getContent());
+
+        $response = JsonResponse::create(true);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertSame('true', $response->getContent());
+    }
+
+    public function testStaticCreateWithCustomStatus()
+    {
+        $response = JsonResponse::create([], 202);
+        $this->assertSame(202, $response->getStatusCode());
+    }
+
+    public function testStaticCreateAddsContentTypeHeader()
+    {
+        $response = JsonResponse::create();
+        $this->assertSame('application/json', $response->headers->get('Content-Type'));
+    }
+
+    public function testStaticCreateWithCustomHeaders()
+    {
+        $response = JsonResponse::create([], 200, ['ETag' => 'foo']);
+        $this->assertSame('application/json', $response->headers->get('Content-Type'));
+        $this->assertSame('foo', $response->headers->get('ETag'));
+    }
+
+    public function testStaticCreateWithCustomContentType()
+    {
+        $headers = ['Content-Type' => 'application/vnd.acme.blog-v1+json'];
+
+        $response = JsonResponse::create([], 200, $headers);
+        $this->assertSame('application/vnd.acme.blog-v1+json', $response->headers->get('Content-Type'));
+    }
+
+    public function testSetCallback()
+    {
+        $response = JsonResponse::create(['foo' => 'bar'])->setCallback('callback');
+
+        $this->assertEquals('/**/callback({"foo":"bar"});', $response->getContent());
+        $this->assertEquals('text/javascript', $response->headers->get('Content-Type'));
+    }
+
+    public function testJsonEncodeFlags()
+    {
+        $response = new JsonResponse('<>\'&"');
+
+        $this->assertEquals('"\u003C\u003E\u0027\u0026\u0022"', $response->getContent());
+    }
+
+    public function testGetEncodingOptions()
+    {
+        $response = new JsonResponse();
+
+        $this->assertEquals(\JSON_HEX_TAG | \JSON_HEX_APOS | \JSON_HEX_AMP | \JSON_HEX_QUOT, $response->getEncodingOptions());
+    }
+
+    public function testSetEncodingOptions()
+    {
+        $response = new JsonResponse();
+        $response->setData([[1, 2, 3]]);
+
+        $this->assertEquals('[[1,2,3]]', $response->getContent());
+
+        $response->setEncodingOptions(\JSON_FORCE_OBJECT);
+
+        $this->assertEquals('{"0":{"0":1,"1":2,"2":3}}', $response->getContent());
+    }
+
+    public function testItAcceptsJsonAsString()
+    {
+        $response = JsonResponse::fromJsonString('{"foo":"bar"}');
+        $this->assertSame('{"foo":"bar"}', $response->getContent());
+    }
+
+    public function testSetCallbackInvalidIdentifier()
+    {
+        $this->expectException('InvalidArgumentException');
+        $response = new JsonResponse('foo');
+        $response->setCallback('+invalid');
+    }
+
+    public function testSetContent()
+    {
+        $this->expectException('InvalidArgumentException');
+        JsonResponse::create("\xB1\x31");
+    }
+
+    public function testSetContentJsonSerializeError()
+    {
+        $this->expectException('Exception');
+        $this->expectExceptionMessage('This error is expected');
+        if (!interface_exists('JsonSerializable', false)) {
+            $this->markTestSkipped('JsonSerializable is required.');
+        }
+
+        $serializable = new JsonSerializableObject();
+
+        JsonResponse::create($serializable);
+    }
+
+    public function testSetComplexCallback()
+    {
+        $response = JsonResponse::create(['foo' => 'bar']);
+        $response->setCallback('ಠ_ಠ["foo"].bar[0]');
+
+        $this->assertEquals('/**/ಠ_ಠ["foo"].bar[0]({"foo":"bar"});', $response->getContent());
+    }
+}
+
+if (interface_exists('JsonSerializable', false)) {
+    class JsonSerializableObject implements \JsonSerializable
+    {
+        public function jsonSerialize()
+        {
+            throw new \Exception('This error is expected');
+        }
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ParameterBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ParameterBagTest.php
@@ -0,0 +1,194 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\ParameterBag;
+
+class ParameterBagTest extends TestCase
+{
+    public function testConstructor()
+    {
+        $this->testAll();
+    }
+
+    public function testAll()
+    {
+        $bag = new ParameterBag(['foo' => 'bar']);
+        $this->assertEquals(['foo' => 'bar'], $bag->all(), '->all() gets all the input');
+    }
+
+    public function testKeys()
+    {
+        $bag = new ParameterBag(['foo' => 'bar']);
+        $this->assertEquals(['foo'], $bag->keys());
+    }
+
+    public function testAdd()
+    {
+        $bag = new ParameterBag(['foo' => 'bar']);
+        $bag->add(['bar' => 'bas']);
+        $this->assertEquals(['foo' => 'bar', 'bar' => 'bas'], $bag->all());
+    }
+
+    public function testRemove()
+    {
+        $bag = new ParameterBag(['foo' => 'bar']);
+        $bag->add(['bar' => 'bas']);
+        $this->assertEquals(['foo' => 'bar', 'bar' => 'bas'], $bag->all());
+        $bag->remove('bar');
+        $this->assertEquals(['foo' => 'bar'], $bag->all());
+    }
+
+    public function testReplace()
+    {
+        $bag = new ParameterBag(['foo' => 'bar']);
+
+        $bag->replace(['FOO' => 'BAR']);
+        $this->assertEquals(['FOO' => 'BAR'], $bag->all(), '->replace() replaces the input with the argument');
+        $this->assertFalse($bag->has('foo'), '->replace() overrides previously set the input');
+    }
+
+    public function testGet()
+    {
+        $bag = new ParameterBag(['foo' => 'bar', 'null' => null]);
+
+        $this->assertEquals('bar', $bag->get('foo'), '->get() gets the value of a parameter');
+        $this->assertEquals('default', $bag->get('unknown', 'default'), '->get() returns second argument as default if a parameter is not defined');
+        $this->assertNull($bag->get('null', 'default'), '->get() returns null if null is set');
+    }
+
+    public function testGetDoesNotUseDeepByDefault()
+    {
+        $bag = new ParameterBag(['foo' => ['bar' => 'moo']]);
+
+        $this->assertNull($bag->get('foo[bar]'));
+    }
+
+    public function testSet()
+    {
+        $bag = new ParameterBag([]);
+
+        $bag->set('foo', 'bar');
+        $this->assertEquals('bar', $bag->get('foo'), '->set() sets the value of parameter');
+
+        $bag->set('foo', 'baz');
+        $this->assertEquals('baz', $bag->get('foo'), '->set() overrides previously set parameter');
+    }
+
+    public function testHas()
+    {
+        $bag = new ParameterBag(['foo' => 'bar']);
+
+        $this->assertTrue($bag->has('foo'), '->has() returns true if a parameter is defined');
+        $this->assertFalse($bag->has('unknown'), '->has() return false if a parameter is not defined');
+    }
+
+    public function testGetAlpha()
+    {
+        $bag = new ParameterBag(['word' => 'foo_BAR_012']);
+
+        $this->assertEquals('fooBAR', $bag->getAlpha('word'), '->getAlpha() gets only alphabetic characters');
+        $this->assertEquals('', $bag->getAlpha('unknown'), '->getAlpha() returns empty string if a parameter is not defined');
+    }
+
+    public function testGetAlnum()
+    {
+        $bag = new ParameterBag(['word' => 'foo_BAR_012']);
+
+        $this->assertEquals('fooBAR012', $bag->getAlnum('word'), '->getAlnum() gets only alphanumeric characters');
+        $this->assertEquals('', $bag->getAlnum('unknown'), '->getAlnum() returns empty string if a parameter is not defined');
+    }
+
+    public function testGetDigits()
+    {
+        $bag = new ParameterBag(['word' => 'foo_BAR_012']);
+
+        $this->assertEquals('012', $bag->getDigits('word'), '->getDigits() gets only digits as string');
+        $this->assertEquals('', $bag->getDigits('unknown'), '->getDigits() returns empty string if a parameter is not defined');
+    }
+
+    public function testGetInt()
+    {
+        $bag = new ParameterBag(['digits' => '0123']);
+
+        $this->assertEquals(123, $bag->getInt('digits'), '->getInt() gets a value of parameter as integer');
+        $this->assertEquals(0, $bag->getInt('unknown'), '->getInt() returns zero if a parameter is not defined');
+    }
+
+    public function testFilter()
+    {
+        $bag = new ParameterBag([
+            'digits' => '0123ab',
+            'email' => 'example@example.com',
+            'url' => 'http://example.com/foo',
+            'dec' => '256',
+            'hex' => '0x100',
+            'array' => ['bang'],
+            ]);
+
+        $this->assertEmpty($bag->filter('nokey'), '->filter() should return empty by default if no key is found');
+
+        $this->assertEquals('0123', $bag->filter('digits', '', \FILTER_SANITIZE_NUMBER_INT), '->filter() gets a value of parameter as integer filtering out invalid characters');
+
+        $this->assertEquals('example@example.com', $bag->filter('email', '', \FILTER_VALIDATE_EMAIL), '->filter() gets a value of parameter as email');
+
+        $this->assertEquals('http://example.com/foo', $bag->filter('url', '', \FILTER_VALIDATE_URL, ['flags' => \FILTER_FLAG_PATH_REQUIRED]), '->filter() gets a value of parameter as URL with a path');
+
+        // This test is repeated for code-coverage
+        $this->assertEquals('http://example.com/foo', $bag->filter('url', '', \FILTER_VALIDATE_URL, \FILTER_FLAG_PATH_REQUIRED), '->filter() gets a value of parameter as URL with a path');
+
+        $this->assertFalse($bag->filter('dec', '', \FILTER_VALIDATE_INT, [
+            'flags' => \FILTER_FLAG_ALLOW_HEX,
+            'options' => ['min_range' => 1, 'max_range' => 0xff],
+        ]), '->filter() gets a value of parameter as integer between boundaries');
+
+        $this->assertFalse($bag->filter('hex', '', \FILTER_VALIDATE_INT, [
+            'flags' => \FILTER_FLAG_ALLOW_HEX,
+            'options' => ['min_range' => 1, 'max_range' => 0xff],
+        ]), '->filter() gets a value of parameter as integer between boundaries');
+
+        $this->assertEquals(['bang'], $bag->filter('array', ''), '->filter() gets a value of parameter as an array');
+    }
+
+    public function testGetIterator()
+    {
+        $parameters = ['foo' => 'bar', 'hello' => 'world'];
+        $bag = new ParameterBag($parameters);
+
+        $i = 0;
+        foreach ($bag as $key => $val) {
+            ++$i;
+            $this->assertEquals($parameters[$key], $val);
+        }
+
+        $this->assertEquals(\count($parameters), $i);
+    }
+
+    public function testCount()
+    {
+        $parameters = ['foo' => 'bar', 'hello' => 'world'];
+        $bag = new ParameterBag($parameters);
+
+        $this->assertCount(\count($parameters), $bag);
+    }
+
+    public function testGetBoolean()
+    {
+        $parameters = ['string_true' => 'true', 'string_false' => 'false'];
+        $bag = new ParameterBag($parameters);
+
+        $this->assertTrue($bag->getBoolean('string_true'), '->getBoolean() gets the string true as boolean true');
+        $this->assertFalse($bag->getBoolean('string_false'), '->getBoolean() gets the string false as boolean false');
+        $this->assertFalse($bag->getBoolean('unknown'), '->getBoolean() returns false if a parameter is not defined');
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RedirectResponseTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RedirectResponseTest.php
@@ -0,0 +1,92 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+
+class RedirectResponseTest extends TestCase
+{
+    public function testGenerateMetaRedirect()
+    {
+        $response = new RedirectResponse('foo.bar');
+
+        $this->assertMatchesRegularExpression('#<meta http-equiv="refresh" content="\d+;url=\'foo\.bar\'" />#', preg_replace('/\s+/', ' ', $response->getContent()));
+    }
+
+    public function testRedirectResponseConstructorNullUrl()
+    {
+        $this->expectException('InvalidArgumentException');
+        new RedirectResponse(null);
+    }
+
+    public function testRedirectResponseConstructorWrongStatusCode()
+    {
+        $this->expectException('InvalidArgumentException');
+        new RedirectResponse('foo.bar', 404);
+    }
+
+    public function testGenerateLocationHeader()
+    {
+        $response = new RedirectResponse('foo.bar');
+
+        $this->assertTrue($response->headers->has('Location'));
+        $this->assertEquals('foo.bar', $response->headers->get('Location'));
+    }
+
+    public function testGetTargetUrl()
+    {
+        $response = new RedirectResponse('foo.bar');
+
+        $this->assertEquals('foo.bar', $response->getTargetUrl());
+    }
+
+    public function testSetTargetUrl()
+    {
+        $response = new RedirectResponse('foo.bar');
+        $response->setTargetUrl('baz.beep');
+
+        $this->assertEquals('baz.beep', $response->getTargetUrl());
+    }
+
+    public function testSetTargetUrlNull()
+    {
+        $this->expectException('InvalidArgumentException');
+        $response = new RedirectResponse('foo.bar');
+        $response->setTargetUrl(null);
+    }
+
+    public function testCreate()
+    {
+        $response = RedirectResponse::create('foo', 301);
+
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\RedirectResponse', $response);
+        $this->assertEquals(301, $response->getStatusCode());
+    }
+
+    public function testCacheHeaders()
+    {
+        $response = new RedirectResponse('foo.bar', 301);
+        $this->assertFalse($response->headers->hasCacheControlDirective('no-cache'));
+
+        $response = new RedirectResponse('foo.bar', 301, ['cache-control' => 'max-age=86400']);
+        $this->assertFalse($response->headers->hasCacheControlDirective('no-cache'));
+        $this->assertTrue($response->headers->hasCacheControlDirective('max-age'));
+
+        $response = new RedirectResponse('foo.bar', 301, ['Cache-Control' => 'max-age=86400']);
+        $this->assertFalse($response->headers->hasCacheControlDirective('no-cache'));
+        $this->assertTrue($response->headers->hasCacheControlDirective('max-age'));
+
+        $response = new RedirectResponse('foo.bar', 302);
+        $this->assertTrue($response->headers->hasCacheControlDirective('no-cache'));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RequestMatcherTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RequestMatcherTest.php
@@ -0,0 +1,151 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestMatcher;
+
+class RequestMatcherTest extends TestCase
+{
+    /**
+     * @dataProvider getMethodData
+     */
+    public function testMethod($requestMethod, $matcherMethod, $isMatch)
+    {
+        $matcher = new RequestMatcher();
+        $matcher->matchMethod($matcherMethod);
+        $request = Request::create('', $requestMethod);
+        $this->assertSame($isMatch, $matcher->matches($request));
+
+        $matcher = new RequestMatcher(null, null, $matcherMethod);
+        $request = Request::create('', $requestMethod);
+        $this->assertSame($isMatch, $matcher->matches($request));
+    }
+
+    public function getMethodData()
+    {
+        return [
+            ['get', 'get', true],
+            ['get', ['get', 'post'], true],
+            ['get', 'post', false],
+            ['get', 'GET', true],
+            ['get', ['GET', 'POST'], true],
+            ['get', 'POST', false],
+        ];
+    }
+
+    public function testScheme()
+    {
+        $httpRequest = $request = $request = Request::create('');
+        $httpsRequest = $request = $request = Request::create('', 'get', [], [], [], ['HTTPS' => 'on']);
+
+        $matcher = new RequestMatcher();
+        $matcher->matchScheme('https');
+        $this->assertFalse($matcher->matches($httpRequest));
+        $this->assertTrue($matcher->matches($httpsRequest));
+
+        $matcher->matchScheme('http');
+        $this->assertFalse($matcher->matches($httpsRequest));
+        $this->assertTrue($matcher->matches($httpRequest));
+
+        $matcher = new RequestMatcher();
+        $this->assertTrue($matcher->matches($httpsRequest));
+        $this->assertTrue($matcher->matches($httpRequest));
+    }
+
+    /**
+     * @dataProvider getHostData
+     */
+    public function testHost($pattern, $isMatch)
+    {
+        $matcher = new RequestMatcher();
+        $request = Request::create('', 'get', [], [], [], ['HTTP_HOST' => 'foo.example.com']);
+
+        $matcher->matchHost($pattern);
+        $this->assertSame($isMatch, $matcher->matches($request));
+
+        $matcher = new RequestMatcher(null, $pattern);
+        $this->assertSame($isMatch, $matcher->matches($request));
+    }
+
+    public function getHostData()
+    {
+        return [
+            ['.*\.example\.com', true],
+            ['\.example\.com$', true],
+            ['^.*\.example\.com$', true],
+            ['.*\.sensio\.com', false],
+            ['.*\.example\.COM', true],
+            ['\.example\.COM$', true],
+            ['^.*\.example\.COM$', true],
+            ['.*\.sensio\.COM', false],
+        ];
+    }
+
+    public function testPath()
+    {
+        $matcher = new RequestMatcher();
+
+        $request = Request::create('/admin/foo');
+
+        $matcher->matchPath('/admin/.*');
+        $this->assertTrue($matcher->matches($request));
+
+        $matcher->matchPath('/admin');
+        $this->assertTrue($matcher->matches($request));
+
+        $matcher->matchPath('^/admin/.*$');
+        $this->assertTrue($matcher->matches($request));
+
+        $matcher->matchMethod('/blog/.*');
+        $this->assertFalse($matcher->matches($request));
+    }
+
+    public function testPathWithLocaleIsNotSupported()
+    {
+        $matcher = new RequestMatcher();
+        $request = Request::create('/en/login');
+        $request->setLocale('en');
+
+        $matcher->matchPath('^/{_locale}/login$');
+        $this->assertFalse($matcher->matches($request));
+    }
+
+    public function testPathWithEncodedCharacters()
+    {
+        $matcher = new RequestMatcher();
+        $request = Request::create('/admin/fo%20o');
+        $matcher->matchPath('^/admin/fo o*$');
+        $this->assertTrue($matcher->matches($request));
+    }
+
+    public function testAttributes()
+    {
+        $matcher = new RequestMatcher();
+
+        $request = Request::create('/admin/foo');
+        $request->attributes->set('foo', 'foo_bar');
+
+        $matcher->matchAttribute('foo', 'foo_.*');
+        $this->assertTrue($matcher->matches($request));
+
+        $matcher->matchAttribute('foo', 'foo');
+        $this->assertTrue($matcher->matches($request));
+
+        $matcher->matchAttribute('foo', '^foo_bar$');
+        $this->assertTrue($matcher->matches($request));
+
+        $matcher->matchAttribute('foo', 'babar');
+        $this->assertFalse($matcher->matches($request));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RequestStackTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RequestStackTest.php
@@ -0,0 +1,70 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+class RequestStackTest extends TestCase
+{
+    public function testGetCurrentRequest()
+    {
+        $requestStack = new RequestStack();
+        $this->assertNull($requestStack->getCurrentRequest());
+
+        $request = Request::create('/foo');
+
+        $requestStack->push($request);
+        $this->assertSame($request, $requestStack->getCurrentRequest());
+
+        $this->assertSame($request, $requestStack->pop());
+        $this->assertNull($requestStack->getCurrentRequest());
+
+        $this->assertNull($requestStack->pop());
+    }
+
+    public function testGetMasterRequest()
+    {
+        $requestStack = new RequestStack();
+        $this->assertNull($requestStack->getMasterRequest());
+
+        $masterRequest = Request::create('/foo');
+        $subRequest = Request::create('/bar');
+
+        $requestStack->push($masterRequest);
+        $requestStack->push($subRequest);
+
+        $this->assertSame($masterRequest, $requestStack->getMasterRequest());
+    }
+
+    public function testGetParentRequest()
+    {
+        $requestStack = new RequestStack();
+        $this->assertNull($requestStack->getParentRequest());
+
+        $masterRequest = Request::create('/foo');
+
+        $requestStack->push($masterRequest);
+        $this->assertNull($requestStack->getParentRequest());
+
+        $firstSubRequest = Request::create('/bar');
+
+        $requestStack->push($firstSubRequest);
+        $this->assertSame($masterRequest, $requestStack->getParentRequest());
+
+        $secondSubRequest = Request::create('/baz');
+
+        $requestStack->push($secondSubRequest);
+        $this->assertSame($firstSubRequest, $requestStack->getParentRequest());
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RequestTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/RequestTest.php
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseFunctionalTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseFunctionalTest.php
@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @requires PHP 7.0
+ */
+class ResponseFunctionalTest extends TestCase
+{
+    private static $server;
+
+    public static function setUpBeforeClass()
+    {
+        $spec = [
+            1 => ['file', '/dev/null', 'w'],
+            2 => ['file', '/dev/null', 'w'],
+        ];
+        if (!self::$server = @proc_open('exec php -S localhost:8054', $spec, $pipes, __DIR__.'/Fixtures/response-functional')) {
+            self::markTestSkipped('PHP server unable to start.');
+        }
+        sleep(1);
+    }
+
+    public static function tearDownAfterClass()
+    {
+        if (self::$server) {
+            proc_terminate(self::$server);
+            proc_close(self::$server);
+        }
+    }
+
+    /**
+     * @dataProvider provideCookie
+     */
+    public function testCookie($fixture)
+    {
+        if (\PHP_VERSION_ID >= 80000 && 'cookie_max_age' === $fixture) {
+            $this->markTestSkipped('This fixture produces a fatal error on PHP 8.');
+        }
+
+        $result = file_get_contents(sprintf('http://localhost:8054/%s.php', $fixture));
+        $this->assertStringMatchesFormatFile(__DIR__.sprintf('/Fixtures/response-functional/%s.expected', $fixture), $result);
+    }
+
+    public function provideCookie()
+    {
+        foreach (glob(__DIR__.'/Fixtures/response-functional/*.php') as $file) {
+            yield [pathinfo($file, \PATHINFO_FILENAME)];
+        }
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseHeaderBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseHeaderBagTest.php
@@ -0,0 +1,367 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Cookie;
+use Symfony\Component\HttpFoundation\ResponseHeaderBag;
+
+/**
+ * @group time-sensitive
+ */
+class ResponseHeaderBagTest extends TestCase
+{
+    public function testAllPreserveCase()
+    {
+        $headers = [
+            'fOo' => 'BAR',
+            'ETag' => 'xyzzy',
+            'Content-MD5' => 'Q2hlY2sgSW50ZWdyaXR5IQ==',
+            'P3P' => 'CP="CAO PSA OUR"',
+            'WWW-Authenticate' => 'Basic realm="WallyWorld"',
+            'X-UA-Compatible' => 'IE=edge,chrome=1',
+            'X-XSS-Protection' => '1; mode=block',
+        ];
+
+        $bag = new ResponseHeaderBag($headers);
+        $allPreservedCase = $bag->allPreserveCase();
+
+        foreach (array_keys($headers) as $headerName) {
+            $this->assertArrayHasKey($headerName, $allPreservedCase, '->allPreserveCase() gets all input keys in original case');
+        }
+    }
+
+    public function testCacheControlHeader()
+    {
+        $bag = new ResponseHeaderBag([]);
+        $this->assertEquals('no-cache, private', $bag->get('Cache-Control'));
+        $this->assertTrue($bag->hasCacheControlDirective('no-cache'));
+
+        $bag = new ResponseHeaderBag(['Cache-Control' => 'public']);
+        $this->assertEquals('public', $bag->get('Cache-Control'));
+        $this->assertTrue($bag->hasCacheControlDirective('public'));
+
+        $bag = new ResponseHeaderBag(['ETag' => 'abcde']);
+        $this->assertEquals('no-cache, private', $bag->get('Cache-Control'));
+        $this->assertTrue($bag->hasCacheControlDirective('private'));
+        $this->assertTrue($bag->hasCacheControlDirective('no-cache'));
+        $this->assertFalse($bag->hasCacheControlDirective('max-age'));
+
+        $bag = new ResponseHeaderBag(['Expires' => 'Wed, 16 Feb 2011 14:17:43 GMT']);
+        $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag([
+            'Expires' => 'Wed, 16 Feb 2011 14:17:43 GMT',
+            'Cache-Control' => 'max-age=3600',
+        ]);
+        $this->assertEquals('max-age=3600, private', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag(['Last-Modified' => 'abcde']);
+        $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag(['Etag' => 'abcde', 'Last-Modified' => 'abcde']);
+        $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag(['cache-control' => 'max-age=100']);
+        $this->assertEquals('max-age=100, private', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag(['cache-control' => 's-maxage=100']);
+        $this->assertEquals('s-maxage=100', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag(['cache-control' => 'private, max-age=100']);
+        $this->assertEquals('max-age=100, private', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag(['cache-control' => 'public, max-age=100']);
+        $this->assertEquals('max-age=100, public', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag();
+        $bag->set('Last-Modified', 'abcde');
+        $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag();
+        $bag->set('Cache-Control', ['public', 'must-revalidate']);
+        $this->assertCount(1, $bag->get('Cache-Control', null, false));
+        $this->assertEquals('must-revalidate, public', $bag->get('Cache-Control'));
+
+        $bag = new ResponseHeaderBag();
+        $bag->set('Cache-Control', 'public');
+        $bag->set('Cache-Control', 'must-revalidate', false);
+        $this->assertCount(1, $bag->get('Cache-Control', null, false));
+        $this->assertEquals('must-revalidate, public', $bag->get('Cache-Control'));
+    }
+
+    public function testCacheControlClone()
+    {
+        $headers = ['foo' => 'bar'];
+        $bag1 = new ResponseHeaderBag($headers);
+        $bag2 = new ResponseHeaderBag($bag1->allPreserveCase());
+        $this->assertEquals($bag1->allPreserveCase(), $bag2->allPreserveCase());
+    }
+
+    public function testToStringIncludesCookieHeaders()
+    {
+        $bag = new ResponseHeaderBag([]);
+        $bag->setCookie(new Cookie('foo', 'bar'));
+
+        $this->assertSetCookieHeader('foo=bar; path=/; httponly', $bag);
+
+        $bag->clearCookie('foo');
+
+        $this->assertSetCookieHeader('foo=deleted; expires='.gmdate('D, d-M-Y H:i:s T', time() - 31536001).'; Max-Age=0; path=/; httponly', $bag);
+    }
+
+    public function testClearCookieSecureNotHttpOnly()
+    {
+        $bag = new ResponseHeaderBag([]);
+
+        $bag->clearCookie('foo', '/', null, true, false);
+
+        $this->assertSetCookieHeader('foo=deleted; expires='.gmdate('D, d-M-Y H:i:s T', time() - 31536001).'; Max-Age=0; path=/; secure', $bag);
+    }
+
+    public function testClearCookieSamesite()
+    {
+        $bag = new ResponseHeaderBag([]);
+
+        $bag->clearCookie('foo', '/', null, true, false, 'none');
+        $this->assertSetCookieHeader('foo=deleted; expires='.gmdate('D, d-M-Y H:i:s T', time() - 31536001).'; Max-Age=0; path=/; secure; samesite=none', $bag);
+    }
+
+    public function testReplace()
+    {
+        $bag = new ResponseHeaderBag([]);
+        $this->assertEquals('no-cache, private', $bag->get('Cache-Control'));
+        $this->assertTrue($bag->hasCacheControlDirective('no-cache'));
+
+        $bag->replace(['Cache-Control' => 'public']);
+        $this->assertEquals('public', $bag->get('Cache-Control'));
+        $this->assertTrue($bag->hasCacheControlDirective('public'));
+    }
+
+    public function testReplaceWithRemove()
+    {
+        $bag = new ResponseHeaderBag([]);
+        $this->assertEquals('no-cache, private', $bag->get('Cache-Control'));
+        $this->assertTrue($bag->hasCacheControlDirective('no-cache'));
+
+        $bag->remove('Cache-Control');
+        $bag->replace([]);
+        $this->assertEquals('no-cache, private', $bag->get('Cache-Control'));
+        $this->assertTrue($bag->hasCacheControlDirective('no-cache'));
+    }
+
+    public function testCookiesWithSameNames()
+    {
+        $bag = new ResponseHeaderBag();
+        $bag->setCookie(new Cookie('foo', 'bar', 0, '/path/foo', 'foo.bar'));
+        $bag->setCookie(new Cookie('foo', 'bar', 0, '/path/bar', 'foo.bar'));
+        $bag->setCookie(new Cookie('foo', 'bar', 0, '/path/bar', 'bar.foo'));
+        $bag->setCookie(new Cookie('foo', 'bar'));
+
+        $this->assertCount(4, $bag->getCookies());
+        $this->assertEquals('foo=bar; path=/path/foo; domain=foo.bar; httponly', $bag->get('set-cookie'));
+        $this->assertEquals([
+            'foo=bar; path=/path/foo; domain=foo.bar; httponly',
+            'foo=bar; path=/path/bar; domain=foo.bar; httponly',
+            'foo=bar; path=/path/bar; domain=bar.foo; httponly',
+            'foo=bar; path=/; httponly',
+        ], $bag->get('set-cookie', null, false));
+
+        $this->assertSetCookieHeader('foo=bar; path=/path/foo; domain=foo.bar; httponly', $bag);
+        $this->assertSetCookieHeader('foo=bar; path=/path/bar; domain=foo.bar; httponly', $bag);
+        $this->assertSetCookieHeader('foo=bar; path=/path/bar; domain=bar.foo; httponly', $bag);
+        $this->assertSetCookieHeader('foo=bar; path=/; httponly', $bag);
+
+        $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
+
+        $this->assertArrayHasKey('foo', $cookies['foo.bar']['/path/foo']);
+        $this->assertArrayHasKey('foo', $cookies['foo.bar']['/path/bar']);
+        $this->assertArrayHasKey('foo', $cookies['bar.foo']['/path/bar']);
+        $this->assertArrayHasKey('foo', $cookies['']['/']);
+    }
+
+    public function testRemoveCookie()
+    {
+        $bag = new ResponseHeaderBag();
+        $this->assertFalse($bag->has('set-cookie'));
+
+        $bag->setCookie(new Cookie('foo', 'bar', 0, '/path/foo', 'foo.bar'));
+        $bag->setCookie(new Cookie('bar', 'foo', 0, '/path/bar', 'foo.bar'));
+        $this->assertTrue($bag->has('set-cookie'));
+
+        $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
+        $this->assertArrayHasKey('/path/foo', $cookies['foo.bar']);
+
+        $bag->removeCookie('foo', '/path/foo', 'foo.bar');
+        $this->assertTrue($bag->has('set-cookie'));
+
+        $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
+        $this->assertArrayNotHasKey('/path/foo', $cookies['foo.bar']);
+
+        $bag->removeCookie('bar', '/path/bar', 'foo.bar');
+        $this->assertFalse($bag->has('set-cookie'));
+
+        $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
+        $this->assertArrayNotHasKey('foo.bar', $cookies);
+    }
+
+    public function testRemoveCookieWithNullRemove()
+    {
+        $bag = new ResponseHeaderBag();
+        $bag->setCookie(new Cookie('foo', 'bar', 0));
+        $bag->setCookie(new Cookie('bar', 'foo', 0));
+
+        $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
+        $this->assertArrayHasKey('/', $cookies['']);
+
+        $bag->removeCookie('foo', null);
+        $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
+        $this->assertArrayNotHasKey('foo', $cookies['']['/']);
+
+        $bag->removeCookie('bar', null);
+        $cookies = $bag->getCookies(ResponseHeaderBag::COOKIES_ARRAY);
+        $this->assertFalse(isset($cookies['']['/']['bar']));
+    }
+
+    public function testSetCookieHeader()
+    {
+        $bag = new ResponseHeaderBag();
+        $bag->set('set-cookie', 'foo=bar');
+        $this->assertEquals([new Cookie('foo', 'bar', 0, '/', null, false, false, true)], $bag->getCookies());
+
+        $bag->set('set-cookie', 'foo2=bar2', false);
+        $this->assertEquals([
+            new Cookie('foo', 'bar', 0, '/', null, false, false, true),
+            new Cookie('foo2', 'bar2', 0, '/', null, false, false, true),
+        ], $bag->getCookies());
+
+        $bag->remove('set-cookie');
+        $this->assertEquals([], $bag->getCookies());
+    }
+
+    public function testGetCookiesWithInvalidArgument()
+    {
+        $this->expectException('InvalidArgumentException');
+        $bag = new ResponseHeaderBag();
+
+        $bag->getCookies('invalid_argument');
+    }
+
+    public function testMakeDispositionInvalidDisposition()
+    {
+        $this->expectException('InvalidArgumentException');
+        $headers = new ResponseHeaderBag();
+
+        $headers->makeDisposition('invalid', 'foo.html');
+    }
+
+    /**
+     * @dataProvider provideMakeDisposition
+     */
+    public function testMakeDisposition($disposition, $filename, $filenameFallback, $expected)
+    {
+        $headers = new ResponseHeaderBag();
+
+        $this->assertEquals($expected, $headers->makeDisposition($disposition, $filename, $filenameFallback));
+    }
+
+    public function testToStringDoesntMessUpHeaders()
+    {
+        $headers = new ResponseHeaderBag();
+
+        $headers->set('Location', 'http://www.symfony.com');
+        $headers->set('Content-type', 'text/html');
+
+        (string) $headers;
+
+        $allHeaders = $headers->allPreserveCase();
+        $this->assertEquals(['http://www.symfony.com'], $allHeaders['Location']);
+        $this->assertEquals(['text/html'], $allHeaders['Content-type']);
+    }
+
+    public function provideMakeDisposition()
+    {
+        return [
+            ['attachment', 'foo.html', 'foo.html', 'attachment; filename="foo.html"'],
+            ['attachment', 'foo.html', '', 'attachment; filename="foo.html"'],
+            ['attachment', 'foo bar.html', '', 'attachment; filename="foo bar.html"'],
+            ['attachment', 'foo "bar".html', '', 'attachment; filename="foo \\"bar\\".html"'],
+            ['attachment', 'foo%20bar.html', 'foo bar.html', 'attachment; filename="foo bar.html"; filename*=utf-8\'\'foo%2520bar.html'],
+            ['attachment', 'föö.html', 'foo.html', 'attachment; filename="foo.html"; filename*=utf-8\'\'f%C3%B6%C3%B6.html'],
+        ];
+    }
+
+    /**
+     * @dataProvider provideMakeDispositionFail
+     */
+    public function testMakeDispositionFail($disposition, $filename)
+    {
+        $this->expectException('InvalidArgumentException');
+        $headers = new ResponseHeaderBag();
+
+        $headers->makeDisposition($disposition, $filename);
+    }
+
+    public function provideMakeDispositionFail()
+    {
+        return [
+            ['attachment', 'foo%20bar.html'],
+            ['attachment', 'foo/bar.html'],
+            ['attachment', '/foo.html'],
+            ['attachment', 'foo\bar.html'],
+            ['attachment', '\foo.html'],
+            ['attachment', 'föö.html'],
+        ];
+    }
+
+    public function testDateHeaderAddedOnCreation()
+    {
+        $now = time();
+
+        $bag = new ResponseHeaderBag();
+        $this->assertTrue($bag->has('Date'));
+
+        $this->assertEquals($now, $bag->getDate('Date')->getTimestamp());
+    }
+
+    public function testDateHeaderCanBeSetOnCreation()
+    {
+        $someDate = 'Thu, 23 Mar 2017 09:15:12 GMT';
+        $bag = new ResponseHeaderBag(['Date' => $someDate]);
+
+        $this->assertEquals($someDate, $bag->get('Date'));
+    }
+
+    public function testDateHeaderWillBeRecreatedWhenRemoved()
+    {
+        $someDate = 'Thu, 23 Mar 2017 09:15:12 GMT';
+        $bag = new ResponseHeaderBag(['Date' => $someDate]);
+        $bag->remove('Date');
+
+        // a (new) Date header is still present
+        $this->assertTrue($bag->has('Date'));
+        $this->assertNotEquals($someDate, $bag->get('Date'));
+    }
+
+    public function testDateHeaderWillBeRecreatedWhenHeadersAreReplaced()
+    {
+        $bag = new ResponseHeaderBag();
+        $bag->replace([]);
+
+        $this->assertTrue($bag->has('Date'));
+    }
+
+    private function assertSetCookieHeader($expected, ResponseHeaderBag $actual)
+    {
+        $this->assertMatchesRegularExpression('#^Set-Cookie:\s+'.preg_quote($expected, '#').'$#m', str_replace("\r\n", "\n", (string) $actual));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseTest.php
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseTestCase.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ResponseTestCase.php
@@ -0,0 +1,89 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+
+abstract class ResponseTestCase extends TestCase
+{
+    public function testNoCacheControlHeaderOnAttachmentUsingHTTPSAndMSIE()
+    {
+        // Check for HTTPS and IE 8
+        $request = new Request();
+        $request->server->set('HTTPS', true);
+        $request->server->set('HTTP_USER_AGENT', 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)');
+
+        $response = $this->provideResponse();
+        $response->headers->set('Content-Disposition', 'attachment; filename="fname.ext"');
+        $response->prepare($request);
+
+        $this->assertFalse($response->headers->has('Cache-Control'));
+
+        // Check for IE 10 and HTTPS
+        $request->server->set('HTTP_USER_AGENT', 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)');
+
+        $response = $this->provideResponse();
+        $response->headers->set('Content-Disposition', 'attachment; filename="fname.ext"');
+        $response->prepare($request);
+
+        $this->assertTrue($response->headers->has('Cache-Control'));
+
+        // Check for IE 9 and HTTPS
+        $request->server->set('HTTP_USER_AGENT', 'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 7.1; Trident/5.0)');
+
+        $response = $this->provideResponse();
+        $response->headers->set('Content-Disposition', 'attachment; filename="fname.ext"');
+        $response->prepare($request);
+
+        $this->assertTrue($response->headers->has('Cache-Control'));
+
+        // Check for IE 9 and HTTP
+        $request->server->set('HTTPS', false);
+
+        $response = $this->provideResponse();
+        $response->headers->set('Content-Disposition', 'attachment; filename="fname.ext"');
+        $response->prepare($request);
+
+        $this->assertTrue($response->headers->has('Cache-Control'));
+
+        // Check for IE 8 and HTTP
+        $request->server->set('HTTP_USER_AGENT', 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)');
+
+        $response = $this->provideResponse();
+        $response->headers->set('Content-Disposition', 'attachment; filename="fname.ext"');
+        $response->prepare($request);
+
+        $this->assertTrue($response->headers->has('Cache-Control'));
+
+        // Check for non-IE and HTTPS
+        $request->server->set('HTTPS', true);
+        $request->server->set('HTTP_USER_AGENT', 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.60 Safari/537.17');
+
+        $response = $this->provideResponse();
+        $response->headers->set('Content-Disposition', 'attachment; filename="fname.ext"');
+        $response->prepare($request);
+
+        $this->assertTrue($response->headers->has('Cache-Control'));
+
+        // Check for non-IE and HTTP
+        $request->server->set('HTTPS', false);
+
+        $response = $this->provideResponse();
+        $response->headers->set('Content-Disposition', 'attachment; filename="fname.ext"');
+        $response->prepare($request);
+
+        $this->assertTrue($response->headers->has('Cache-Control'));
+    }
+
+    abstract protected function provideResponse();
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ServerBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/ServerBagTest.php
@@ -0,0 +1,170 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\ServerBag;
+
+/**
+ * ServerBagTest.
+ *
+ * @author Bulat Shakirzyanov <mallluhuct@gmail.com>
+ */
+class ServerBagTest extends TestCase
+{
+    public function testShouldExtractHeadersFromServerArray()
+    {
+        $server = [
+            'SOME_SERVER_VARIABLE' => 'value',
+            'SOME_SERVER_VARIABLE2' => 'value',
+            'ROOT' => 'value',
+            'HTTP_CONTENT_TYPE' => 'text/html',
+            'HTTP_CONTENT_LENGTH' => '0',
+            'HTTP_ETAG' => 'asdf',
+            'PHP_AUTH_USER' => 'foo',
+            'PHP_AUTH_PW' => 'bar',
+        ];
+
+        $bag = new ServerBag($server);
+
+        $this->assertEquals([
+            'CONTENT_TYPE' => 'text/html',
+            'CONTENT_LENGTH' => '0',
+            'ETAG' => 'asdf',
+            'AUTHORIZATION' => 'Basic '.base64_encode('foo:bar'),
+            'PHP_AUTH_USER' => 'foo',
+            'PHP_AUTH_PW' => 'bar',
+        ], $bag->getHeaders());
+    }
+
+    public function testHttpPasswordIsOptional()
+    {
+        $bag = new ServerBag(['PHP_AUTH_USER' => 'foo']);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => 'Basic '.base64_encode('foo:'),
+            'PHP_AUTH_USER' => 'foo',
+            'PHP_AUTH_PW' => '',
+        ], $bag->getHeaders());
+    }
+
+    public function testHttpBasicAuthWithPhpCgi()
+    {
+        $bag = new ServerBag(['HTTP_AUTHORIZATION' => 'Basic '.base64_encode('foo:bar')]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => 'Basic '.base64_encode('foo:bar'),
+            'PHP_AUTH_USER' => 'foo',
+            'PHP_AUTH_PW' => 'bar',
+        ], $bag->getHeaders());
+    }
+
+    public function testHttpBasicAuthWithPhpCgiBogus()
+    {
+        $bag = new ServerBag(['HTTP_AUTHORIZATION' => 'Basic_'.base64_encode('foo:bar')]);
+
+        // Username and passwords should not be set as the header is bogus
+        $headers = $bag->getHeaders();
+        $this->assertArrayNotHasKey('PHP_AUTH_USER', $headers);
+        $this->assertArrayNotHasKey('PHP_AUTH_PW', $headers);
+    }
+
+    public function testHttpBasicAuthWithPhpCgiRedirect()
+    {
+        $bag = new ServerBag(['REDIRECT_HTTP_AUTHORIZATION' => 'Basic '.base64_encode('username:pass:word')]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => 'Basic '.base64_encode('username:pass:word'),
+            'PHP_AUTH_USER' => 'username',
+            'PHP_AUTH_PW' => 'pass:word',
+        ], $bag->getHeaders());
+    }
+
+    public function testHttpBasicAuthWithPhpCgiEmptyPassword()
+    {
+        $bag = new ServerBag(['HTTP_AUTHORIZATION' => 'Basic '.base64_encode('foo:')]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => 'Basic '.base64_encode('foo:'),
+            'PHP_AUTH_USER' => 'foo',
+            'PHP_AUTH_PW' => '',
+        ], $bag->getHeaders());
+    }
+
+    public function testHttpDigestAuthWithPhpCgi()
+    {
+        $digest = 'Digest username="foo", realm="acme", nonce="'.md5('secret').'", uri="/protected, qop="auth"';
+        $bag = new ServerBag(['HTTP_AUTHORIZATION' => $digest]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => $digest,
+            'PHP_AUTH_DIGEST' => $digest,
+        ], $bag->getHeaders());
+    }
+
+    public function testHttpDigestAuthWithPhpCgiBogus()
+    {
+        $digest = 'Digest_username="foo", realm="acme", nonce="'.md5('secret').'", uri="/protected, qop="auth"';
+        $bag = new ServerBag(['HTTP_AUTHORIZATION' => $digest]);
+
+        // Username and passwords should not be set as the header is bogus
+        $headers = $bag->getHeaders();
+        $this->assertArrayNotHasKey('PHP_AUTH_USER', $headers);
+        $this->assertArrayNotHasKey('PHP_AUTH_PW', $headers);
+    }
+
+    public function testHttpDigestAuthWithPhpCgiRedirect()
+    {
+        $digest = 'Digest username="foo", realm="acme", nonce="'.md5('secret').'", uri="/protected, qop="auth"';
+        $bag = new ServerBag(['REDIRECT_HTTP_AUTHORIZATION' => $digest]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => $digest,
+            'PHP_AUTH_DIGEST' => $digest,
+        ], $bag->getHeaders());
+    }
+
+    public function testOAuthBearerAuth()
+    {
+        $headerContent = 'Bearer L-yLEOr9zhmUYRkzN1jwwxwQ-PBNiKDc8dgfB4hTfvo';
+        $bag = new ServerBag(['HTTP_AUTHORIZATION' => $headerContent]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => $headerContent,
+        ], $bag->getHeaders());
+    }
+
+    public function testOAuthBearerAuthWithRedirect()
+    {
+        $headerContent = 'Bearer L-yLEOr9zhmUYRkzN1jwwxwQ-PBNiKDc8dgfB4hTfvo';
+        $bag = new ServerBag(['REDIRECT_HTTP_AUTHORIZATION' => $headerContent]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => $headerContent,
+        ], $bag->getHeaders());
+    }
+
+    /**
+     * @see https://github.com/symfony/symfony/issues/17345
+     */
+    public function testItDoesNotOverwriteTheAuthorizationHeaderIfItIsAlreadySet()
+    {
+        $headerContent = 'Bearer L-yLEOr9zhmUYRkzN1jwwxwQ-PBNiKDc8dgfB4hTfvo';
+        $bag = new ServerBag(['PHP_AUTH_USER' => 'foo', 'HTTP_AUTHORIZATION' => $headerContent]);
+
+        $this->assertEquals([
+            'AUTHORIZATION' => $headerContent,
+            'PHP_AUTH_USER' => 'foo',
+            'PHP_AUTH_PW' => '',
+        ], $bag->getHeaders());
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Attribute/AttributeBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Attribute/AttributeBagTest.php
@@ -0,0 +1,186 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Attribute;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;
+
+/**
+ * Tests AttributeBag.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class AttributeBagTest extends TestCase
+{
+    private $array = [];
+
+    /**
+     * @var AttributeBag
+     */
+    private $bag;
+
+    protected function setUp()
+    {
+        $this->array = [
+            'hello' => 'world',
+            'always' => 'be happy',
+            'user.login' => 'drak',
+            'csrf.token' => [
+                'a' => '1234',
+                'b' => '4321',
+            ],
+            'category' => [
+                'fishing' => [
+                    'first' => 'cod',
+                    'second' => 'sole',
+                ],
+            ],
+        ];
+        $this->bag = new AttributeBag('_sf2');
+        $this->bag->initialize($this->array);
+    }
+
+    protected function tearDown()
+    {
+        $this->bag = null;
+        $this->array = [];
+    }
+
+    public function testInitialize()
+    {
+        $bag = new AttributeBag();
+        $bag->initialize($this->array);
+        $this->assertEquals($this->array, $bag->all());
+        $array = ['should' => 'change'];
+        $bag->initialize($array);
+        $this->assertEquals($array, $bag->all());
+    }
+
+    public function testGetStorageKey()
+    {
+        $this->assertEquals('_sf2', $this->bag->getStorageKey());
+        $attributeBag = new AttributeBag('test');
+        $this->assertEquals('test', $attributeBag->getStorageKey());
+    }
+
+    public function testGetSetName()
+    {
+        $this->assertEquals('attributes', $this->bag->getName());
+        $this->bag->setName('foo');
+        $this->assertEquals('foo', $this->bag->getName());
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testHas($key, $value, $exists)
+    {
+        $this->assertEquals($exists, $this->bag->has($key));
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testGet($key, $value, $expected)
+    {
+        $this->assertEquals($value, $this->bag->get($key));
+    }
+
+    public function testGetDefaults()
+    {
+        $this->assertNull($this->bag->get('user2.login'));
+        $this->assertEquals('default', $this->bag->get('user2.login', 'default'));
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testSet($key, $value, $expected)
+    {
+        $this->bag->set($key, $value);
+        $this->assertEquals($value, $this->bag->get($key));
+    }
+
+    public function testAll()
+    {
+        $this->assertEquals($this->array, $this->bag->all());
+
+        $this->bag->set('hello', 'fabien');
+        $array = $this->array;
+        $array['hello'] = 'fabien';
+        $this->assertEquals($array, $this->bag->all());
+    }
+
+    public function testReplace()
+    {
+        $array = [];
+        $array['name'] = 'jack';
+        $array['foo.bar'] = 'beep';
+        $this->bag->replace($array);
+        $this->assertEquals($array, $this->bag->all());
+        $this->assertNull($this->bag->get('hello'));
+        $this->assertNull($this->bag->get('always'));
+        $this->assertNull($this->bag->get('user.login'));
+    }
+
+    public function testRemove()
+    {
+        $this->assertEquals('world', $this->bag->get('hello'));
+        $this->bag->remove('hello');
+        $this->assertNull($this->bag->get('hello'));
+
+        $this->assertEquals('be happy', $this->bag->get('always'));
+        $this->bag->remove('always');
+        $this->assertNull($this->bag->get('always'));
+
+        $this->assertEquals('drak', $this->bag->get('user.login'));
+        $this->bag->remove('user.login');
+        $this->assertNull($this->bag->get('user.login'));
+    }
+
+    public function testClear()
+    {
+        $this->bag->clear();
+        $this->assertEquals([], $this->bag->all());
+    }
+
+    public function attributesProvider()
+    {
+        return [
+            ['hello', 'world', true],
+            ['always', 'be happy', true],
+            ['user.login', 'drak', true],
+            ['csrf.token', ['a' => '1234', 'b' => '4321'], true],
+            ['category', ['fishing' => ['first' => 'cod', 'second' => 'sole']], true],
+            ['user2.login', null, false],
+            ['never', null, false],
+            ['bye', null, false],
+            ['bye/for/now', null, false],
+        ];
+    }
+
+    public function testGetIterator()
+    {
+        $i = 0;
+        foreach ($this->bag as $key => $val) {
+            $this->assertEquals($this->array[$key], $val);
+            ++$i;
+        }
+
+        $this->assertEquals(\count($this->array), $i);
+    }
+
+    public function testCount()
+    {
+        $this->assertCount(\count($this->array), $this->bag);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Attribute/NamespacedAttributeBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Attribute/NamespacedAttributeBagTest.php
@@ -0,0 +1,204 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Attribute;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Attribute\NamespacedAttributeBag;
+
+/**
+ * Tests NamespacedAttributeBag.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class NamespacedAttributeBagTest extends TestCase
+{
+    private $array = [];
+
+    /**
+     * @var NamespacedAttributeBag
+     */
+    private $bag;
+
+    protected function setUp()
+    {
+        $this->array = [
+            'hello' => 'world',
+            'always' => 'be happy',
+            'user.login' => 'drak',
+            'csrf.token' => [
+                'a' => '1234',
+                'b' => '4321',
+            ],
+            'category' => [
+                'fishing' => [
+                    'first' => 'cod',
+                    'second' => 'sole',
+                ],
+            ],
+        ];
+        $this->bag = new NamespacedAttributeBag('_sf2', '/');
+        $this->bag->initialize($this->array);
+    }
+
+    protected function tearDown()
+    {
+        $this->bag = null;
+        $this->array = [];
+    }
+
+    public function testInitialize()
+    {
+        $bag = new NamespacedAttributeBag();
+        $bag->initialize($this->array);
+        $this->assertEquals($this->array, $this->bag->all());
+        $array = ['should' => 'not stick'];
+        $bag->initialize($array);
+
+        // should have remained the same
+        $this->assertEquals($this->array, $this->bag->all());
+    }
+
+    public function testGetStorageKey()
+    {
+        $this->assertEquals('_sf2', $this->bag->getStorageKey());
+        $attributeBag = new NamespacedAttributeBag('test');
+        $this->assertEquals('test', $attributeBag->getStorageKey());
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testHas($key, $value, $exists)
+    {
+        $this->assertEquals($exists, $this->bag->has($key));
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testHasNoSideEffect($key, $value, $expected)
+    {
+        $expected = json_encode($this->bag->all());
+        $this->bag->has($key);
+
+        $this->assertEquals($expected, json_encode($this->bag->all()));
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testGet($key, $value, $expected)
+    {
+        $this->assertEquals($value, $this->bag->get($key));
+    }
+
+    public function testGetDefaults()
+    {
+        $this->assertNull($this->bag->get('user2.login'));
+        $this->assertEquals('default', $this->bag->get('user2.login', 'default'));
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testGetNoSideEffect($key, $value, $expected)
+    {
+        $expected = json_encode($this->bag->all());
+        $this->bag->get($key);
+
+        $this->assertEquals($expected, json_encode($this->bag->all()));
+    }
+
+    /**
+     * @dataProvider attributesProvider
+     */
+    public function testSet($key, $value, $expected)
+    {
+        $this->bag->set($key, $value);
+        $this->assertEquals($value, $this->bag->get($key));
+    }
+
+    public function testAll()
+    {
+        $this->assertEquals($this->array, $this->bag->all());
+
+        $this->bag->set('hello', 'fabien');
+        $array = $this->array;
+        $array['hello'] = 'fabien';
+        $this->assertEquals($array, $this->bag->all());
+    }
+
+    public function testReplace()
+    {
+        $array = [];
+        $array['name'] = 'jack';
+        $array['foo.bar'] = 'beep';
+        $this->bag->replace($array);
+        $this->assertEquals($array, $this->bag->all());
+        $this->assertNull($this->bag->get('hello'));
+        $this->assertNull($this->bag->get('always'));
+        $this->assertNull($this->bag->get('user.login'));
+    }
+
+    public function testRemove()
+    {
+        $this->assertEquals('world', $this->bag->get('hello'));
+        $this->bag->remove('hello');
+        $this->assertNull($this->bag->get('hello'));
+
+        $this->assertEquals('be happy', $this->bag->get('always'));
+        $this->bag->remove('always');
+        $this->assertNull($this->bag->get('always'));
+
+        $this->assertEquals('drak', $this->bag->get('user.login'));
+        $this->bag->remove('user.login');
+        $this->assertNull($this->bag->get('user.login'));
+    }
+
+    public function testRemoveExistingNamespacedAttribute()
+    {
+        $this->assertSame('cod', $this->bag->remove('category/fishing/first'));
+    }
+
+    public function testRemoveNonexistingNamespacedAttribute()
+    {
+        $this->assertNull($this->bag->remove('foo/bar/baz'));
+    }
+
+    public function testClear()
+    {
+        $this->bag->clear();
+        $this->assertEquals([], $this->bag->all());
+    }
+
+    public function attributesProvider()
+    {
+        return [
+            ['hello', 'world', true],
+            ['always', 'be happy', true],
+            ['user.login', 'drak', true],
+            ['csrf.token', ['a' => '1234', 'b' => '4321'], true],
+            ['csrf.token/a', '1234', true],
+            ['csrf.token/b', '4321', true],
+            ['category', ['fishing' => ['first' => 'cod', 'second' => 'sole']], true],
+            ['category/fishing', ['first' => 'cod', 'second' => 'sole'], true],
+            ['category/fishing/missing/first', null, false],
+            ['category/fishing/first', 'cod', true],
+            ['category/fishing/second', 'sole', true],
+            ['category/fishing/missing/second', null, false],
+            ['user2.login', null, false],
+            ['never', null, false],
+            ['bye', null, false],
+            ['bye/for/now', null, false],
+        ];
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Attribute/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Attribute/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Flash/AutoExpireFlashBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Flash/AutoExpireFlashBagTest.php
@@ -0,0 +1,161 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Flash;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Flash\AutoExpireFlashBag as FlashBag;
+
+/**
+ * AutoExpireFlashBagTest.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class AutoExpireFlashBagTest extends TestCase
+{
+    /**
+     * @var \Symfony\Component\HttpFoundation\Session\Flash\AutoExpireFlashBag
+     */
+    private $bag;
+
+    protected $array = [];
+
+    protected function setUp()
+    {
+        parent::setUp();
+        $this->bag = new FlashBag();
+        $this->array = ['new' => ['notice' => ['A previous flash message']]];
+        $this->bag->initialize($this->array);
+    }
+
+    protected function tearDown()
+    {
+        $this->bag = null;
+        parent::tearDown();
+    }
+
+    public function testInitialize()
+    {
+        $bag = new FlashBag();
+        $array = ['new' => ['notice' => ['A previous flash message']]];
+        $bag->initialize($array);
+        $this->assertEquals(['A previous flash message'], $bag->peek('notice'));
+        $array = ['new' => [
+                'notice' => ['Something else'],
+                'error' => ['a'],
+            ]];
+        $bag->initialize($array);
+        $this->assertEquals(['Something else'], $bag->peek('notice'));
+        $this->assertEquals(['a'], $bag->peek('error'));
+    }
+
+    public function testGetStorageKey()
+    {
+        $this->assertEquals('_symfony_flashes', $this->bag->getStorageKey());
+        $attributeBag = new FlashBag('test');
+        $this->assertEquals('test', $attributeBag->getStorageKey());
+    }
+
+    public function testGetSetName()
+    {
+        $this->assertEquals('flashes', $this->bag->getName());
+        $this->bag->setName('foo');
+        $this->assertEquals('foo', $this->bag->getName());
+    }
+
+    public function testPeek()
+    {
+        $this->assertEquals([], $this->bag->peek('non_existing'));
+        $this->assertEquals(['default'], $this->bag->peek('non_existing', ['default']));
+        $this->assertEquals(['A previous flash message'], $this->bag->peek('notice'));
+        $this->assertEquals(['A previous flash message'], $this->bag->peek('notice'));
+    }
+
+    public function testSet()
+    {
+        $this->bag->set('notice', 'Foo');
+        $this->assertEquals(['A previous flash message'], $this->bag->peek('notice'));
+    }
+
+    public function testHas()
+    {
+        $this->assertFalse($this->bag->has('nothing'));
+        $this->assertTrue($this->bag->has('notice'));
+    }
+
+    public function testKeys()
+    {
+        $this->assertEquals(['notice'], $this->bag->keys());
+    }
+
+    public function testPeekAll()
+    {
+        $array = [
+            'new' => [
+                'notice' => 'Foo',
+                'error' => 'Bar',
+            ],
+        ];
+
+        $this->bag->initialize($array);
+        $this->assertEquals([
+            'notice' => 'Foo',
+            'error' => 'Bar',
+            ], $this->bag->peekAll()
+        );
+
+        $this->assertEquals([
+            'notice' => 'Foo',
+            'error' => 'Bar',
+            ], $this->bag->peekAll()
+        );
+    }
+
+    public function testGet()
+    {
+        $this->assertEquals([], $this->bag->get('non_existing'));
+        $this->assertEquals(['default'], $this->bag->get('non_existing', ['default']));
+        $this->assertEquals(['A previous flash message'], $this->bag->get('notice'));
+        $this->assertEquals([], $this->bag->get('notice'));
+    }
+
+    public function testSetAll()
+    {
+        $this->bag->setAll(['a' => 'first', 'b' => 'second']);
+        $this->assertFalse($this->bag->has('a'));
+        $this->assertFalse($this->bag->has('b'));
+    }
+
+    public function testAll()
+    {
+        $this->bag->set('notice', 'Foo');
+        $this->bag->set('error', 'Bar');
+        $this->assertEquals([
+            'notice' => ['A previous flash message'],
+            ], $this->bag->all()
+        );
+
+        $this->assertEquals([], $this->bag->all());
+    }
+
+    public function testClear()
+    {
+        $this->assertEquals(['notice' => ['A previous flash message']], $this->bag->clear());
+    }
+
+    public function testDoNotRemoveTheNewFlashesWhenDisplayingTheExistingOnes()
+    {
+        $this->bag->add('success', 'Something');
+        $this->bag->all();
+
+        $this->assertEquals(['new' => ['success' => ['Something']], 'display' => []], $this->array);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Flash/FlashBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Flash/FlashBagTest.php
@@ -0,0 +1,157 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Flash;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
+
+/**
+ * FlashBagTest.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class FlashBagTest extends TestCase
+{
+    /**
+     * @var \Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface
+     */
+    private $bag;
+
+    protected $array = [];
+
+    protected function setUp()
+    {
+        parent::setUp();
+        $this->bag = new FlashBag();
+        $this->array = ['notice' => ['A previous flash message']];
+        $this->bag->initialize($this->array);
+    }
+
+    protected function tearDown()
+    {
+        $this->bag = null;
+        parent::tearDown();
+    }
+
+    public function testInitialize()
+    {
+        $bag = new FlashBag();
+        $bag->initialize($this->array);
+        $this->assertEquals($this->array, $bag->peekAll());
+        $array = ['should' => ['change']];
+        $bag->initialize($array);
+        $this->assertEquals($array, $bag->peekAll());
+    }
+
+    public function testGetStorageKey()
+    {
+        $this->assertEquals('_symfony_flashes', $this->bag->getStorageKey());
+        $attributeBag = new FlashBag('test');
+        $this->assertEquals('test', $attributeBag->getStorageKey());
+    }
+
+    public function testGetSetName()
+    {
+        $this->assertEquals('flashes', $this->bag->getName());
+        $this->bag->setName('foo');
+        $this->assertEquals('foo', $this->bag->getName());
+    }
+
+    public function testPeek()
+    {
+        $this->assertEquals([], $this->bag->peek('non_existing'));
+        $this->assertEquals(['default'], $this->bag->peek('not_existing', ['default']));
+        $this->assertEquals(['A previous flash message'], $this->bag->peek('notice'));
+        $this->assertEquals(['A previous flash message'], $this->bag->peek('notice'));
+    }
+
+    public function testAdd()
+    {
+        $tab = ['bar' => 'baz'];
+        $this->bag->add('string_message', 'lorem');
+        $this->bag->add('object_message', new \stdClass());
+        $this->bag->add('array_message', $tab);
+
+        $this->assertEquals(['lorem'], $this->bag->get('string_message'));
+        $this->assertEquals([new \stdClass()], $this->bag->get('object_message'));
+        $this->assertEquals([$tab], $this->bag->get('array_message'));
+    }
+
+    public function testGet()
+    {
+        $this->assertEquals([], $this->bag->get('non_existing'));
+        $this->assertEquals(['default'], $this->bag->get('not_existing', ['default']));
+        $this->assertEquals(['A previous flash message'], $this->bag->get('notice'));
+        $this->assertEquals([], $this->bag->get('notice'));
+    }
+
+    public function testAll()
+    {
+        $this->bag->set('notice', 'Foo');
+        $this->bag->set('error', 'Bar');
+        $this->assertEquals([
+            'notice' => ['Foo'],
+            'error' => ['Bar'], ], $this->bag->all()
+        );
+
+        $this->assertEquals([], $this->bag->all());
+    }
+
+    public function testSet()
+    {
+        $this->bag->set('notice', 'Foo');
+        $this->bag->set('notice', 'Bar');
+        $this->assertEquals(['Bar'], $this->bag->peek('notice'));
+    }
+
+    public function testHas()
+    {
+        $this->assertFalse($this->bag->has('nothing'));
+        $this->assertTrue($this->bag->has('notice'));
+    }
+
+    public function testKeys()
+    {
+        $this->assertEquals(['notice'], $this->bag->keys());
+    }
+
+    public function testSetAll()
+    {
+        $this->bag->add('one_flash', 'Foo');
+        $this->bag->add('another_flash', 'Bar');
+        $this->assertTrue($this->bag->has('one_flash'));
+        $this->assertTrue($this->bag->has('another_flash'));
+        $this->bag->setAll(['unique_flash' => 'FooBar']);
+        $this->assertFalse($this->bag->has('one_flash'));
+        $this->assertFalse($this->bag->has('another_flash'));
+        $this->assertSame(['unique_flash' => 'FooBar'], $this->bag->all());
+        $this->assertSame([], $this->bag->all());
+    }
+
+    public function testPeekAll()
+    {
+        $this->bag->set('notice', 'Foo');
+        $this->bag->set('error', 'Bar');
+        $this->assertEquals([
+            'notice' => ['Foo'],
+            'error' => ['Bar'],
+            ], $this->bag->peekAll()
+        );
+        $this->assertTrue($this->bag->has('notice'));
+        $this->assertTrue($this->bag->has('error'));
+        $this->assertEquals([
+            'notice' => ['Foo'],
+            'error' => ['Bar'],
+            ], $this->bag->peekAll()
+        );
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Flash/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Flash/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/SessionTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/SessionTest.php
@@ -0,0 +1,288 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
+use Symfony\Component\HttpFoundation\Session\Session;
+use Symfony\Component\HttpFoundation\Session\SessionBagProxy;
+use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;
+
+/**
+ * SessionTest.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Robert Schönthal <seroscho@googlemail.com>
+ * @author Drak <drak@zikula.org>
+ */
+class SessionTest extends TestCase
+{
+    /**
+     * @var \Symfony\Component\HttpFoundation\Session\Storage\SessionStorageInterface
+     */
+    protected $storage;
+
+    /**
+     * @var \Symfony\Component\HttpFoundation\Session\SessionInterface
+     */
+    protected $session;
+
+    protected function setUp()
+    {
+        $this->storage = new MockArraySessionStorage();
+        $this->session = new Session($this->storage, new AttributeBag(), new FlashBag());
+    }
+
+    protected function tearDown()
+    {
+        $this->storage = null;
+        $this->session = null;
+    }
+
+    public function testStart()
+    {
+        $this->assertEquals('', $this->session->getId());
+        $this->assertTrue($this->session->start());
+        $this->assertNotEquals('', $this->session->getId());
+    }
+
+    public function testIsStarted()
+    {
+        $this->assertFalse($this->session->isStarted());
+        $this->session->start();
+        $this->assertTrue($this->session->isStarted());
+    }
+
+    public function testSetId()
+    {
+        $this->assertEquals('', $this->session->getId());
+        $this->session->setId('0123456789abcdef');
+        $this->session->start();
+        $this->assertEquals('0123456789abcdef', $this->session->getId());
+    }
+
+    public function testSetIdAfterStart()
+    {
+        $this->session->start();
+        $id = $this->session->getId();
+
+        $e = null;
+        try {
+            $this->session->setId($id);
+        } catch (\Exception $e) {
+        }
+
+        $this->assertNull($e);
+
+        try {
+            $this->session->setId('different');
+        } catch (\Exception $e) {
+        }
+
+        $this->assertInstanceOf('\LogicException', $e);
+    }
+
+    public function testSetName()
+    {
+        $this->assertEquals('MOCKSESSID', $this->session->getName());
+        $this->session->setName('session.test.com');
+        $this->session->start();
+        $this->assertEquals('session.test.com', $this->session->getName());
+    }
+
+    public function testGet()
+    {
+        // tests defaults
+        $this->assertNull($this->session->get('foo'));
+        $this->assertEquals(1, $this->session->get('foo', 1));
+    }
+
+    /**
+     * @dataProvider setProvider
+     */
+    public function testSet($key, $value)
+    {
+        $this->session->set($key, $value);
+        $this->assertEquals($value, $this->session->get($key));
+    }
+
+    /**
+     * @dataProvider setProvider
+     */
+    public function testHas($key, $value)
+    {
+        $this->session->set($key, $value);
+        $this->assertTrue($this->session->has($key));
+        $this->assertFalse($this->session->has($key.'non_value'));
+    }
+
+    public function testReplace()
+    {
+        $this->session->replace(['happiness' => 'be good', 'symfony' => 'awesome']);
+        $this->assertEquals(['happiness' => 'be good', 'symfony' => 'awesome'], $this->session->all());
+        $this->session->replace([]);
+        $this->assertEquals([], $this->session->all());
+    }
+
+    /**
+     * @dataProvider setProvider
+     */
+    public function testAll($key, $value, $result)
+    {
+        $this->session->set($key, $value);
+        $this->assertEquals($result, $this->session->all());
+    }
+
+    /**
+     * @dataProvider setProvider
+     */
+    public function testClear($key, $value)
+    {
+        $this->session->set('hi', 'fabien');
+        $this->session->set($key, $value);
+        $this->session->clear();
+        $this->assertEquals([], $this->session->all());
+    }
+
+    public function setProvider()
+    {
+        return [
+            ['foo', 'bar', ['foo' => 'bar']],
+            ['foo.bar', 'too much beer', ['foo.bar' => 'too much beer']],
+            ['great', 'symfony is great', ['great' => 'symfony is great']],
+        ];
+    }
+
+    /**
+     * @dataProvider setProvider
+     */
+    public function testRemove($key, $value)
+    {
+        $this->session->set('hi.world', 'have a nice day');
+        $this->session->set($key, $value);
+        $this->session->remove($key);
+        $this->assertEquals(['hi.world' => 'have a nice day'], $this->session->all());
+    }
+
+    public function testInvalidate()
+    {
+        $this->session->set('invalidate', 123);
+        $this->session->invalidate();
+        $this->assertEquals([], $this->session->all());
+    }
+
+    public function testMigrate()
+    {
+        $this->session->set('migrate', 321);
+        $this->session->migrate();
+        $this->assertEquals(321, $this->session->get('migrate'));
+    }
+
+    public function testMigrateDestroy()
+    {
+        $this->session->set('migrate', 333);
+        $this->session->migrate(true);
+        $this->assertEquals(333, $this->session->get('migrate'));
+    }
+
+    public function testSave()
+    {
+        $this->session->start();
+        $this->session->save();
+
+        $this->assertFalse($this->session->isStarted());
+    }
+
+    public function testGetId()
+    {
+        $this->assertEquals('', $this->session->getId());
+        $this->session->start();
+        $this->assertNotEquals('', $this->session->getId());
+    }
+
+    public function testGetFlashBag()
+    {
+        $this->assertInstanceOf('Symfony\\Component\\HttpFoundation\\Session\\Flash\\FlashBagInterface', $this->session->getFlashBag());
+    }
+
+    public function testGetIterator()
+    {
+        $attributes = ['hello' => 'world', 'symfony' => 'rocks'];
+        foreach ($attributes as $key => $val) {
+            $this->session->set($key, $val);
+        }
+
+        $i = 0;
+        foreach ($this->session as $key => $val) {
+            $this->assertEquals($attributes[$key], $val);
+            ++$i;
+        }
+
+        $this->assertEquals(\count($attributes), $i);
+    }
+
+    public function testGetCount()
+    {
+        $this->session->set('hello', 'world');
+        $this->session->set('symfony', 'rocks');
+
+        $this->assertCount(2, $this->session);
+    }
+
+    public function testGetMeta()
+    {
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\MetadataBag', $this->session->getMetadataBag());
+    }
+
+    public function testIsEmpty()
+    {
+        $this->assertTrue($this->session->isEmpty());
+
+        $this->session->set('hello', 'world');
+        $this->assertFalse($this->session->isEmpty());
+
+        $this->session->remove('hello');
+        $this->assertTrue($this->session->isEmpty());
+
+        $flash = $this->session->getFlashBag();
+        $flash->set('hello', 'world');
+        $this->assertFalse($this->session->isEmpty());
+
+        $flash->get('hello');
+        $this->assertTrue($this->session->isEmpty());
+    }
+
+    public function testGetBagWithBagImplementingGetBag()
+    {
+        $bag = new AttributeBag();
+        $bag->setName('foo');
+
+        $storage = new MockArraySessionStorage();
+        $storage->registerBag($bag);
+
+        $this->assertSame($bag, (new Session($storage))->getBag('foo'));
+    }
+
+    public function testGetBagWithBagNotImplementingGetBag()
+    {
+        $data = [];
+
+        $bag = new AttributeBag();
+        $bag->setName('foo');
+
+        $storage = new MockArraySessionStorage();
+        $storage->registerBag(new SessionBagProxy($bag, $data, $usageIndex));
+
+        $this->assertSame($bag, (new Session($storage))->getBag('foo'));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/AbstractSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/AbstractSessionHandlerTest.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @requires PHP 7.0
+ */
+class AbstractSessionHandlerTest extends TestCase
+{
+    private static $server;
+
+    public static function setUpBeforeClass()
+    {
+        $spec = [
+            1 => ['file', '/dev/null', 'w'],
+            2 => ['file', '/dev/null', 'w'],
+        ];
+        if (!self::$server = @proc_open('exec php -S localhost:8053', $spec, $pipes, __DIR__.'/Fixtures')) {
+            self::markTestSkipped('PHP server unable to start.');
+        }
+        sleep(1);
+    }
+
+    public static function tearDownAfterClass()
+    {
+        if (self::$server) {
+            proc_terminate(self::$server);
+            proc_close(self::$server);
+        }
+    }
+
+    /**
+     * @dataProvider provideSession
+     */
+    public function testSession($fixture)
+    {
+        $context = ['http' => ['header' => "Cookie: sid=123abc\r\n"]];
+        $context = stream_context_create($context);
+        $result = file_get_contents(sprintf('http://localhost:8053/%s.php', $fixture), false, $context);
+
+        $this->assertStringEqualsFile(__DIR__.sprintf('/Fixtures/%s.expected', $fixture), $result);
+    }
+
+    public function provideSession()
+    {
+        foreach (glob(__DIR__.'/Fixtures/*.php') as $file) {
+            yield [pathinfo($file, \PATHINFO_FILENAME)];
+        }
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/common.inc
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/common.inc
@@ -0,0 +1,151 @@
+<?php
+
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\AbstractSessionHandler;
+
+$parent = __DIR__;
+while (!@file_exists($parent.'/vendor/autoload.php')) {
+    if (!@file_exists($parent)) {
+        // open_basedir restriction in effect
+        break;
+    }
+    if ($parent === dirname($parent)) {
+        echo "vendor/autoload.php not found\n";
+        exit(1);
+    }
+
+    $parent = dirname($parent);
+}
+
+require $parent.'/vendor/autoload.php';
+
+error_reporting(-1);
+ini_set('html_errors', 0);
+ini_set('display_errors', 1);
+ini_set('session.gc_probability', 0);
+ini_set('session.serialize_handler', 'php');
+ini_set('session.cookie_lifetime', 0);
+ini_set('session.cookie_domain', '');
+ini_set('session.cookie_secure', '');
+ini_set('session.cookie_httponly', '');
+ini_set('session.use_cookies', 1);
+ini_set('session.use_only_cookies', 1);
+ini_set('session.cache_expire', 180);
+ini_set('session.cookie_path', '/');
+ini_set('session.cookie_domain', '');
+ini_set('session.cookie_secure', 1);
+ini_set('session.cookie_httponly', 1);
+ini_set('session.use_strict_mode', 1);
+ini_set('session.lazy_write', 1);
+ini_set('session.name', 'sid');
+ini_set('session.save_path', __DIR__);
+ini_set('session.cache_limiter', '');
+
+header_remove('X-Powered-By');
+header('Content-Type: text/plain; charset=utf-8');
+
+register_shutdown_function(function () {
+    echo "\n";
+    session_write_close();
+    print_r(headers_list());
+    echo "shutdown\n";
+});
+ob_start();
+
+class TestSessionHandler extends AbstractSessionHandler
+{
+    private $data;
+
+    public function __construct($data = '')
+    {
+        $this->data = $data;
+    }
+
+    public function open($path, $name)
+    {
+        echo __FUNCTION__, "\n";
+
+        return parent::open($path, $name);
+    }
+
+    public function validateId($sessionId)
+    {
+        echo __FUNCTION__, "\n";
+
+        return parent::validateId($sessionId);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($sessionId)
+    {
+        echo __FUNCTION__, "\n";
+
+        return parent::read($sessionId);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function updateTimestamp($sessionId, $data)
+    {
+        echo __FUNCTION__, "\n";
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write($sessionId, $data)
+    {
+        echo __FUNCTION__, "\n";
+
+        return parent::write($sessionId, $data);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function destroy($sessionId)
+    {
+        echo __FUNCTION__, "\n";
+
+        return parent::destroy($sessionId);
+    }
+
+    public function close()
+    {
+        echo __FUNCTION__, "\n";
+
+        return true;
+    }
+
+    public function gc($maxLifetime)
+    {
+        echo __FUNCTION__, "\n";
+
+        return true;
+    }
+
+    protected function doRead($sessionId)
+    {
+        echo __FUNCTION__.': ', $this->data, "\n";
+
+        return $this->data;
+    }
+
+    protected function doWrite($sessionId, $data)
+    {
+        echo __FUNCTION__.': ', $data, "\n";
+
+        return true;
+    }
+
+    protected function doDestroy($sessionId)
+    {
+        echo __FUNCTION__, "\n";
+
+        return true;
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/empty_destroys.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/empty_destroys.expected
@@ -0,0 +1,17 @@
+open
+validateId
+read
+doRead: abc|i:123;
+read
+
+write
+destroy
+doDestroy
+close
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=10800, private, must-revalidate
+    [2] => Set-Cookie: sid=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/; secure; HttpOnly
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/empty_destroys.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/empty_destroys.php
@@ -0,0 +1,8 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+session_set_save_handler(new TestSessionHandler('abc|i:123;'), false);
+session_start();
+
+unset($_SESSION['abc']);
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/read_only.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/read_only.expected
@@ -0,0 +1,14 @@
+open
+validateId
+read
+doRead: abc|i:123;
+read
+123
+updateTimestamp
+close
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=10800, private, must-revalidate
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/read_only.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/read_only.php
@@ -0,0 +1,8 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+session_set_save_handler(new TestSessionHandler('abc|i:123;'), false);
+session_start();
+
+echo $_SESSION['abc'];
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/regenerate.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/regenerate.expected
@@ -0,0 +1,25 @@
+open
+validateId
+read
+doRead: abc|i:123;
+read
+destroy
+doDestroy
+close
+open
+validateId
+read
+doRead: abc|i:123;
+read
+doRead: abc|i:123;
+
+write
+doWrite: abc|i:123;
+close
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=10800, private, must-revalidate
+    [2] => Set-Cookie: sid=random_session_id; path=/; secure; HttpOnly
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/regenerate.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/regenerate.php
@@ -0,0 +1,10 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+session_set_save_handler(new TestSessionHandler('abc|i:123;'), false);
+session_start();
+
+session_regenerate_id(true);
+
+ob_start(function ($buffer) { return str_replace(session_id(), 'random_session_id', $buffer); });
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/storage.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/storage.expected
@@ -0,0 +1,21 @@
+open
+validateId
+read
+doRead: 
+read
+Array
+(
+    [0] => bar
+)
+$_SESSION is not empty
+write
+destroy
+close
+$_SESSION is empty
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=0, private, must-revalidate
+    [2] => Set-Cookie: sid=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/; secure; HttpOnly
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/storage.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/storage.php
@@ -0,0 +1,24 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
+use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
+
+$storage = new NativeSessionStorage();
+$storage->setSaveHandler(new TestSessionHandler());
+$flash = new FlashBag();
+$storage->registerBag($flash);
+$storage->start();
+
+$flash->add('foo', 'bar');
+
+print_r($flash->get('foo'));
+echo empty($_SESSION) ? '$_SESSION is empty' : '$_SESSION is not empty';
+echo "\n";
+
+$storage->save();
+
+echo empty($_SESSION) ? '$_SESSION is empty' : '$_SESSION is not empty';
+
+ob_start(function ($buffer) { return str_replace(session_id(), 'random_session_id', $buffer); });
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie.expected
@@ -0,0 +1,15 @@
+open
+validateId
+read
+doRead: abc|i:123;
+read
+
+updateTimestamp
+close
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=10800, private, must-revalidate
+    [2] => Set-Cookie: abc=def
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie.php
@@ -0,0 +1,8 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+session_set_save_handler(new TestSessionHandler('abc|i:123;'), false);
+session_start();
+
+setcookie('abc', 'def');
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie_and_session.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie_and_session.expected
@@ -0,0 +1,25 @@
+open
+validateId
+read
+doRead: abc|i:123;
+read
+updateTimestamp
+close
+open
+validateId
+read
+doRead: abc|i:123;
+read
+
+write
+destroy
+doDestroy
+close
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=10800, private, must-revalidate
+    [2] => Set-Cookie: abc=def
+    [3] => Set-Cookie: sid=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/; secure; HttpOnly
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie_and_session.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_cookie_and_session.php
@@ -0,0 +1,13 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+setcookie('abc', 'def');
+
+session_set_save_handler(new TestSessionHandler('abc|i:123;'), false);
+session_start();
+session_write_close();
+session_start();
+
+$_SESSION['abc'] = 234;
+unset($_SESSION['abc']);
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite.expected
@@ -0,0 +1,16 @@
+open
+validateId
+read
+doRead: 
+read
+
+write
+doWrite: foo|s:3:"bar";
+close
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=0, private, must-revalidate
+    [2] => Set-Cookie: sid=random_session_id; path=/; secure; HttpOnly; SameSite=lax
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite.php
@@ -0,0 +1,13 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
+
+$storage = new NativeSessionStorage(['cookie_samesite' => 'lax']);
+$storage->setSaveHandler(new TestSessionHandler());
+$storage->start();
+
+$_SESSION = ['foo' => 'bar'];
+
+ob_start(function ($buffer) { return str_replace(session_id(), 'random_session_id', $buffer); });
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite_and_migration.expected
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite_and_migration.expected
@@ -0,0 +1,23 @@
+open
+validateId
+read
+doRead: 
+read
+destroy
+close
+open
+validateId
+read
+doRead: 
+read
+
+write
+doWrite: foo|s:3:"bar";
+close
+Array
+(
+    [0] => Content-Type: text/plain; charset=utf-8
+    [1] => Cache-Control: max-age=0, private, must-revalidate
+    [2] => Set-Cookie: sid=random_session_id; path=/; secure; HttpOnly; SameSite=lax
+)
+shutdown
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite_and_migration.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/Fixtures/with_samesite_and_migration.php
@@ -0,0 +1,15 @@
+<?php
+
+require __DIR__.'/common.inc';
+
+use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
+
+$storage = new NativeSessionStorage(['cookie_samesite' => 'lax']);
+$storage->setSaveHandler(new TestSessionHandler());
+$storage->start();
+
+$_SESSION = ['foo' => 'bar'];
+
+$storage->regenerate(true);
+
+ob_start(function ($buffer) { return preg_replace('~_sf2_meta.*$~m', '', str_replace(session_id(), 'random_session_id', $buffer)); });
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MemcacheSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MemcacheSessionHandlerTest.php
@@ -0,0 +1,135 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\MemcacheSessionHandler;
+
+/**
+ * @requires extension memcache
+ * @group time-sensitive
+ * @group legacy
+ */
+class MemcacheSessionHandlerTest extends TestCase
+{
+    const PREFIX = 'prefix_';
+    const TTL = 1000;
+
+    /**
+     * @var MemcacheSessionHandler
+     */
+    protected $storage;
+
+    protected $memcache;
+
+    protected function setUp()
+    {
+        if (\defined('HHVM_VERSION')) {
+            $this->markTestSkipped('PHPUnit_MockObject cannot mock the Memcache class on HHVM. See https://github.com/sebastianbergmann/phpunit-mock-objects/pull/289');
+        }
+
+        parent::setUp();
+        $this->memcache = $this->getMockBuilder('Memcache')->getMock();
+        $this->storage = new MemcacheSessionHandler(
+            $this->memcache,
+            ['prefix' => self::PREFIX, 'expiretime' => self::TTL]
+        );
+    }
+
+    protected function tearDown()
+    {
+        $this->memcache = null;
+        $this->storage = null;
+        parent::tearDown();
+    }
+
+    public function testOpenSession()
+    {
+        $this->assertTrue($this->storage->open('', ''));
+    }
+
+    public function testCloseSession()
+    {
+        $this->assertTrue($this->storage->close());
+    }
+
+    public function testReadSession()
+    {
+        $this->memcache
+            ->expects($this->once())
+            ->method('get')
+            ->with(self::PREFIX.'id')
+        ;
+
+        $this->assertEquals('', $this->storage->read('id'));
+    }
+
+    public function testWriteSession()
+    {
+        $this->memcache
+            ->expects($this->once())
+            ->method('set')
+            ->with(self::PREFIX.'id', 'data', 0, $this->equalTo(time() + self::TTL, 2))
+            ->willReturn(true)
+        ;
+
+        $this->assertTrue($this->storage->write('id', 'data'));
+    }
+
+    public function testDestroySession()
+    {
+        $this->memcache
+            ->expects($this->once())
+            ->method('delete')
+            ->with(self::PREFIX.'id')
+            ->willReturn(true)
+        ;
+
+        $this->assertTrue($this->storage->destroy('id'));
+    }
+
+    public function testGcSession()
+    {
+        $this->assertTrue($this->storage->gc(123));
+    }
+
+    /**
+     * @dataProvider getOptionFixtures
+     */
+    public function testSupportedOptions($options, $supported)
+    {
+        try {
+            new MemcacheSessionHandler($this->memcache, $options);
+            $this->assertTrue($supported);
+        } catch (\InvalidArgumentException $e) {
+            $this->assertFalse($supported);
+        }
+    }
+
+    public function getOptionFixtures()
+    {
+        return [
+            [['prefix' => 'session'], true],
+            [['expiretime' => 100], true],
+            [['prefix' => 'session', 'expiretime' => 200], true],
+            [['expiretime' => 100, 'foo' => 'bar'], false],
+        ];
+    }
+
+    public function testGetConnection()
+    {
+        $method = new \ReflectionMethod($this->storage, 'getMemcache');
+        $method->setAccessible(true);
+
+        $this->assertInstanceOf('\Memcache', $method->invoke($this->storage));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MemcachedSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MemcachedSessionHandlerTest.php
@@ -0,0 +1,145 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\MemcachedSessionHandler;
+
+/**
+ * @requires extension memcached
+ * @group time-sensitive
+ */
+class MemcachedSessionHandlerTest extends TestCase
+{
+    const PREFIX = 'prefix_';
+    const TTL = 1000;
+
+    /**
+     * @var MemcachedSessionHandler
+     */
+    protected $storage;
+
+    protected $memcached;
+
+    protected function setUp()
+    {
+        if (\defined('HHVM_VERSION')) {
+            $this->markTestSkipped('PHPUnit_MockObject cannot mock the Memcached class on HHVM. See https://github.com/sebastianbergmann/phpunit-mock-objects/pull/289');
+        }
+
+        parent::setUp();
+
+        if (version_compare(phpversion('memcached'), '2.2.0', '>=') && version_compare(phpversion('memcached'), '3.0.0b1', '<')) {
+            $this->markTestSkipped('Tests can only be run with memcached extension 2.1.0 or lower, or 3.0.0b1 or higher');
+        }
+
+        $this->memcached = $this->getMockBuilder('Memcached')->getMock();
+        $this->storage = new MemcachedSessionHandler(
+            $this->memcached,
+            ['prefix' => self::PREFIX, 'expiretime' => self::TTL]
+        );
+    }
+
+    protected function tearDown()
+    {
+        $this->memcached = null;
+        $this->storage = null;
+        parent::tearDown();
+    }
+
+    public function testOpenSession()
+    {
+        $this->assertTrue($this->storage->open('', ''));
+    }
+
+    public function testCloseSession()
+    {
+        $this->memcached
+            ->expects($this->once())
+            ->method('quit')
+            ->willReturn(true)
+        ;
+
+        $this->assertTrue($this->storage->close());
+    }
+
+    public function testReadSession()
+    {
+        $this->memcached
+            ->expects($this->once())
+            ->method('get')
+            ->with(self::PREFIX.'id')
+        ;
+
+        $this->assertEquals('', $this->storage->read('id'));
+    }
+
+    public function testWriteSession()
+    {
+        $this->memcached
+            ->expects($this->once())
+            ->method('set')
+            ->with(self::PREFIX.'id', 'data', $this->equalTo(time() + self::TTL, 2))
+            ->willReturn(true)
+        ;
+
+        $this->assertTrue($this->storage->write('id', 'data'));
+    }
+
+    public function testDestroySession()
+    {
+        $this->memcached
+            ->expects($this->once())
+            ->method('delete')
+            ->with(self::PREFIX.'id')
+            ->willReturn(true)
+        ;
+
+        $this->assertTrue($this->storage->destroy('id'));
+    }
+
+    public function testGcSession()
+    {
+        $this->assertTrue($this->storage->gc(123));
+    }
+
+    /**
+     * @dataProvider getOptionFixtures
+     */
+    public function testSupportedOptions($options, $supported)
+    {
+        try {
+            new MemcachedSessionHandler($this->memcached, $options);
+            $this->assertTrue($supported);
+        } catch (\InvalidArgumentException $e) {
+            $this->assertFalse($supported);
+        }
+    }
+
+    public function getOptionFixtures()
+    {
+        return [
+            [['prefix' => 'session'], true],
+            [['expiretime' => 100], true],
+            [['prefix' => 'session', 'expiretime' => 200], true],
+            [['expiretime' => 100, 'foo' => 'bar'], false],
+        ];
+    }
+
+    public function testGetConnection()
+    {
+        $method = new \ReflectionMethod($this->storage, 'getMemcached');
+        $method->setAccessible(true);
+
+        $this->assertInstanceOf('\Memcached', $method->invoke($this->storage));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php
@@ -0,0 +1,330 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\MongoDbSessionHandler;
+
+/**
+ * @author Markus Bachmann <markus.bachmann@bachi.biz>
+ * @group time-sensitive
+ * @group legacy
+ */
+class MongoDbSessionHandlerTest extends TestCase
+{
+    /**
+     * @var MockObject
+     */
+    private $mongo;
+    private $storage;
+    public $options;
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        if (\extension_loaded('mongodb')) {
+            if (!class_exists('MongoDB\Client')) {
+                $this->markTestSkipped('The mongodb/mongodb package is required.');
+            }
+        } elseif (!\extension_loaded('mongo')) {
+            $this->markTestSkipped('The Mongo or MongoDB extension is required.');
+        }
+
+        if (phpversion('mongodb')) {
+            $mongoClass = 'MongoDB\Client';
+        } else {
+            $mongoClass = version_compare(phpversion('mongo'), '1.3.0', '<') ? 'Mongo' : 'MongoClient';
+        }
+
+        $this->mongo = $this->getMockBuilder($mongoClass)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->options = [
+            'id_field' => '_id',
+            'data_field' => 'data',
+            'time_field' => 'time',
+            'expiry_field' => 'expires_at',
+            'database' => 'sf2-test',
+            'collection' => 'session-test',
+        ];
+
+        $this->storage = new MongoDbSessionHandler($this->mongo, $this->options);
+    }
+
+    public function testConstructorShouldThrowExceptionForInvalidMongo()
+    {
+        $this->expectException('InvalidArgumentException');
+        new MongoDbSessionHandler(new \stdClass(), $this->options);
+    }
+
+    public function testConstructorShouldThrowExceptionForMissingOptions()
+    {
+        $this->expectException('InvalidArgumentException');
+        new MongoDbSessionHandler($this->mongo, []);
+    }
+
+    public function testOpenMethodAlwaysReturnTrue()
+    {
+        $this->assertTrue($this->storage->open('test', 'test'), 'The "open" method should always return true');
+    }
+
+    public function testCloseMethodAlwaysReturnTrue()
+    {
+        $this->assertTrue($this->storage->close(), 'The "close" method should always return true');
+    }
+
+    public function testRead()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->willReturn($collection);
+
+        // defining the timeout before the actual method call
+        // allows to test for "greater than" values in the $criteria
+        $testTimeout = time() + 1;
+
+        $collection->expects($this->once())
+            ->method('findOne')
+            ->willReturnCallback(function ($criteria) use ($testTimeout) {
+                $this->assertArrayHasKey($this->options['id_field'], $criteria);
+                $this->assertEquals('foo', $criteria[$this->options['id_field']]);
+
+                $this->assertArrayHasKey($this->options['expiry_field'], $criteria);
+                $this->assertArrayHasKey('$gte', $criteria[$this->options['expiry_field']]);
+
+                if (phpversion('mongodb')) {
+                    $this->assertInstanceOf('MongoDB\BSON\UTCDateTime', $criteria[$this->options['expiry_field']]['$gte']);
+                    $this->assertGreaterThanOrEqual(round((string) $criteria[$this->options['expiry_field']]['$gte'] / 1000), $testTimeout);
+                } else {
+                    $this->assertInstanceOf('MongoDate', $criteria[$this->options['expiry_field']]['$gte']);
+                    $this->assertGreaterThanOrEqual($criteria[$this->options['expiry_field']]['$gte']->sec, $testTimeout);
+                }
+
+                $fields = [
+                    $this->options['id_field'] => 'foo',
+                ];
+
+                if (phpversion('mongodb')) {
+                    $fields[$this->options['data_field']] = new \MongoDB\BSON\Binary('bar', \MongoDB\BSON\Binary::TYPE_OLD_BINARY);
+                    $fields[$this->options['id_field']] = new \MongoDB\BSON\UTCDateTime(time() * 1000);
+                } else {
+                    $fields[$this->options['data_field']] = new \MongoBinData('bar', \MongoBinData::BYTE_ARRAY);
+                    $fields[$this->options['id_field']] = new \MongoDate();
+                }
+
+                return $fields;
+            });
+
+        $this->assertEquals('bar', $this->storage->read('foo'));
+    }
+
+    public function testWrite()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->willReturn($collection);
+
+        $data = [];
+
+        $methodName = phpversion('mongodb') ? 'updateOne' : 'update';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->willReturnCallback(function ($criteria, $updateData, $options) use (&$data) {
+                $this->assertEquals([$this->options['id_field'] => 'foo'], $criteria);
+
+                if (phpversion('mongodb')) {
+                    $this->assertEquals(['upsert' => true], $options);
+                } else {
+                    $this->assertEquals(['upsert' => true, 'multiple' => false], $options);
+                }
+
+                $data = $updateData['$set'];
+            });
+
+        $expectedExpiry = time() + (int) ini_get('session.gc_maxlifetime');
+        $this->assertTrue($this->storage->write('foo', 'bar'));
+
+        if (phpversion('mongodb')) {
+            $this->assertEquals('bar', $data[$this->options['data_field']]->getData());
+            $this->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$this->options['time_field']]);
+            $this->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$this->options['expiry_field']]);
+            $this->assertGreaterThanOrEqual($expectedExpiry, round((string) $data[$this->options['expiry_field']] / 1000));
+        } else {
+            $this->assertEquals('bar', $data[$this->options['data_field']]->bin);
+            $this->assertInstanceOf('MongoDate', $data[$this->options['time_field']]);
+            $this->assertInstanceOf('MongoDate', $data[$this->options['expiry_field']]);
+            $this->assertGreaterThanOrEqual($expectedExpiry, $data[$this->options['expiry_field']]->sec);
+        }
+    }
+
+    public function testWriteWhenUsingExpiresField()
+    {
+        $this->options = [
+            'id_field' => '_id',
+            'data_field' => 'data',
+            'time_field' => 'time',
+            'database' => 'sf2-test',
+            'collection' => 'session-test',
+            'expiry_field' => 'expiresAt',
+        ];
+
+        $this->storage = new MongoDbSessionHandler($this->mongo, $this->options);
+
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->willReturn($collection);
+
+        $data = [];
+
+        $methodName = phpversion('mongodb') ? 'updateOne' : 'update';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->willReturnCallback(function ($criteria, $updateData, $options) use (&$data) {
+                $this->assertEquals([$this->options['id_field'] => 'foo'], $criteria);
+
+                if (phpversion('mongodb')) {
+                    $this->assertEquals(['upsert' => true], $options);
+                } else {
+                    $this->assertEquals(['upsert' => true, 'multiple' => false], $options);
+                }
+
+                $data = $updateData['$set'];
+            });
+
+        $this->assertTrue($this->storage->write('foo', 'bar'));
+
+        if (phpversion('mongodb')) {
+            $this->assertEquals('bar', $data[$this->options['data_field']]->getData());
+            $this->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$this->options['time_field']]);
+            $this->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$this->options['expiry_field']]);
+        } else {
+            $this->assertEquals('bar', $data[$this->options['data_field']]->bin);
+            $this->assertInstanceOf('MongoDate', $data[$this->options['time_field']]);
+            $this->assertInstanceOf('MongoDate', $data[$this->options['expiry_field']]);
+        }
+    }
+
+    public function testReplaceSessionData()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->willReturn($collection);
+
+        $data = [];
+
+        $methodName = phpversion('mongodb') ? 'updateOne' : 'update';
+
+        $collection->expects($this->exactly(2))
+            ->method($methodName)
+            ->willReturnCallback(function ($criteria, $updateData, $options) use (&$data) {
+                $data = $updateData;
+            });
+
+        $this->storage->write('foo', 'bar');
+        $this->storage->write('foo', 'foobar');
+
+        if (phpversion('mongodb')) {
+            $this->assertEquals('foobar', $data['$set'][$this->options['data_field']]->getData());
+        } else {
+            $this->assertEquals('foobar', $data['$set'][$this->options['data_field']]->bin);
+        }
+    }
+
+    public function testDestroy()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->willReturn($collection);
+
+        $methodName = phpversion('mongodb') ? 'deleteOne' : 'remove';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->with([$this->options['id_field'] => 'foo']);
+
+        $this->assertTrue($this->storage->destroy('foo'));
+    }
+
+    public function testGc()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->willReturn($collection);
+
+        $methodName = phpversion('mongodb') ? 'deleteMany' : 'remove';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->willReturnCallback(function ($criteria) {
+                if (phpversion('mongodb')) {
+                    $this->assertInstanceOf('MongoDB\BSON\UTCDateTime', $criteria[$this->options['expiry_field']]['$lt']);
+                    $this->assertGreaterThanOrEqual(time() - 1, round((string) $criteria[$this->options['expiry_field']]['$lt'] / 1000));
+                } else {
+                    $this->assertInstanceOf('MongoDate', $criteria[$this->options['expiry_field']]['$lt']);
+                    $this->assertGreaterThanOrEqual(time() - 1, $criteria[$this->options['expiry_field']]['$lt']->sec);
+                }
+            });
+
+        $this->assertTrue($this->storage->gc(1));
+    }
+
+    public function testGetConnection()
+    {
+        $method = new \ReflectionMethod($this->storage, 'getMongo');
+        $method->setAccessible(true);
+
+        if (phpversion('mongodb')) {
+            $mongoClass = 'MongoDB\Client';
+        } else {
+            $mongoClass = version_compare(phpversion('mongo'), '1.3.0', '<') ? 'Mongo' : 'MongoClient';
+        }
+
+        $this->assertInstanceOf($mongoClass, $method->invoke($this->storage));
+    }
+
+    private function createMongoCollectionMock()
+    {
+        $collectionClass = 'MongoCollection';
+        if (phpversion('mongodb')) {
+            $collectionClass = 'MongoDB\Collection';
+        }
+
+        $collection = $this->getMockBuilder($collectionClass)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        return $collection;
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/NativeFileSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/NativeFileSessionHandlerTest.php
@@ -0,0 +1,75 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\NativeFileSessionHandler;
+use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
+
+/**
+ * Test class for NativeFileSessionHandler.
+ *
+ * @author Drak <drak@zikula.org>
+ *
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ */
+class NativeFileSessionHandlerTest extends TestCase
+{
+    public function testConstruct()
+    {
+        $storage = new NativeSessionStorage(['name' => 'TESTING'], new NativeFileSessionHandler(sys_get_temp_dir()));
+
+        $this->assertEquals('files', $storage->getSaveHandler()->getSaveHandlerName());
+        $this->assertEquals('user', ini_get('session.save_handler'));
+
+        $this->assertEquals(sys_get_temp_dir(), ini_get('session.save_path'));
+        $this->assertEquals('TESTING', ini_get('session.name'));
+    }
+
+    /**
+     * @dataProvider savePathDataProvider
+     */
+    public function testConstructSavePath($savePath, $expectedSavePath, $path)
+    {
+        new NativeFileSessionHandler($savePath);
+        $this->assertEquals($expectedSavePath, ini_get('session.save_path'));
+        $this->assertDirectoryExists(realpath($path));
+
+        rmdir($path);
+    }
+
+    public function savePathDataProvider()
+    {
+        $base = sys_get_temp_dir();
+
+        return [
+            ["$base/foo", "$base/foo", "$base/foo"],
+            ["5;$base/foo", "5;$base/foo", "$base/foo"],
+            ["5;0600;$base/foo", "5;0600;$base/foo", "$base/foo"],
+        ];
+    }
+
+    public function testConstructException()
+    {
+        $this->expectException('InvalidArgumentException');
+        new NativeFileSessionHandler('something;invalid;with;too-many-args');
+    }
+
+    public function testConstructDefault()
+    {
+        $path = ini_get('session.save_path');
+        new NativeSessionStorage(['name' => 'TESTING'], new NativeFileSessionHandler());
+
+        $this->assertEquals($path, ini_get('session.save_path'));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/NativeSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/NativeSessionHandlerTest.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\NativeSessionHandler;
+
+/**
+ * Test class for NativeSessionHandler.
+ *
+ * @author Drak <drak@zikula.org>
+ *
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ * @group legacy
+ */
+class NativeSessionHandlerTest extends TestCase
+{
+    /**
+     * @expectedDeprecation The Symfony\Component\HttpFoundation\Session\Storage\Handler\NativeSessionHandler class is deprecated since Symfony 3.4 and will be removed in 4.0. Use the \SessionHandler class instead.
+     */
+    public function testConstruct()
+    {
+        $handler = new NativeSessionHandler();
+
+        $this->assertInstanceOf('SessionHandler', $handler);
+        $this->assertTrue($handler instanceof NativeSessionHandler);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/NullSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/NullSessionHandlerTest.php
@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Session;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\NullSessionHandler;
+use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
+
+/**
+ * Test class for NullSessionHandler.
+ *
+ * @author Drak <drak@zikula.org>
+ *
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ */
+class NullSessionHandlerTest extends TestCase
+{
+    public function testSaveHandlers()
+    {
+        $this->getStorage();
+        $this->assertEquals('user', ini_get('session.save_handler'));
+    }
+
+    public function testSession()
+    {
+        session_id('nullsessionstorage');
+        $storage = $this->getStorage();
+        $session = new Session($storage);
+        $this->assertNull($session->get('something'));
+        $session->set('something', 'unique');
+        $this->assertEquals('unique', $session->get('something'));
+    }
+
+    public function testNothingIsPersisted()
+    {
+        session_id('nullsessionstorage');
+        $storage = $this->getStorage();
+        $session = new Session($storage);
+        $session->start();
+        $this->assertEquals('nullsessionstorage', $session->getId());
+        $this->assertNull($session->get('something'));
+    }
+
+    public function getStorage()
+    {
+        return new NativeSessionStorage([], new NullSessionHandler());
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/PdoSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/PdoSessionHandlerTest.php
@@ -0,0 +1,405 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler;
+
+/**
+ * @requires extension pdo_sqlite
+ * @group time-sensitive
+ */
+class PdoSessionHandlerTest extends TestCase
+{
+    private $dbFile;
+
+    protected function tearDown()
+    {
+        // make sure the temporary database file is deleted when it has been created (even when a test fails)
+        if ($this->dbFile) {
+            @unlink($this->dbFile);
+        }
+        parent::tearDown();
+    }
+
+    protected function getPersistentSqliteDsn()
+    {
+        $this->dbFile = tempnam(sys_get_temp_dir(), 'sf2_sqlite_sessions');
+
+        return 'sqlite:'.$this->dbFile;
+    }
+
+    protected function getMemorySqlitePdo()
+    {
+        $pdo = new \PDO('sqlite::memory:');
+        $pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
+        $storage = new PdoSessionHandler($pdo);
+        $storage->createTable();
+
+        return $pdo;
+    }
+
+    public function testWrongPdoErrMode()
+    {
+        $this->expectException('InvalidArgumentException');
+        $pdo = $this->getMemorySqlitePdo();
+        $pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_SILENT);
+
+        new PdoSessionHandler($pdo);
+    }
+
+    public function testInexistentTable()
+    {
+        $this->expectException('RuntimeException');
+        $storage = new PdoSessionHandler($this->getMemorySqlitePdo(), ['db_table' => 'inexistent_table']);
+        $storage->open('', 'sid');
+        $storage->read('id');
+        $storage->write('id', 'data');
+        $storage->close();
+    }
+
+    public function testCreateTableTwice()
+    {
+        $this->expectException('RuntimeException');
+        $storage = new PdoSessionHandler($this->getMemorySqlitePdo());
+        $storage->createTable();
+    }
+
+    public function testWithLazyDsnConnection()
+    {
+        $dsn = $this->getPersistentSqliteDsn();
+
+        $storage = new PdoSessionHandler($dsn);
+        $storage->createTable();
+        $storage->open('', 'sid');
+        $data = $storage->read('id');
+        $storage->write('id', 'data');
+        $storage->close();
+        $this->assertSame('', $data, 'New session returns empty string data');
+
+        $storage->open('', 'sid');
+        $data = $storage->read('id');
+        $storage->close();
+        $this->assertSame('data', $data, 'Written value can be read back correctly');
+    }
+
+    public function testWithLazySavePathConnection()
+    {
+        $dsn = $this->getPersistentSqliteDsn();
+
+        // Open is called with what ini_set('session.save_path', $dsn) would mean
+        $storage = new PdoSessionHandler(null);
+        $storage->open($dsn, 'sid');
+        $storage->createTable();
+        $data = $storage->read('id');
+        $storage->write('id', 'data');
+        $storage->close();
+        $this->assertSame('', $data, 'New session returns empty string data');
+
+        $storage->open($dsn, 'sid');
+        $data = $storage->read('id');
+        $storage->close();
+        $this->assertSame('data', $data, 'Written value can be read back correctly');
+    }
+
+    public function testReadWriteReadWithNullByte()
+    {
+        $sessionData = 'da'."\0".'ta';
+
+        $storage = new PdoSessionHandler($this->getMemorySqlitePdo());
+        $storage->open('', 'sid');
+        $readData = $storage->read('id');
+        $storage->write('id', $sessionData);
+        $storage->close();
+        $this->assertSame('', $readData, 'New session returns empty string data');
+
+        $storage->open('', 'sid');
+        $readData = $storage->read('id');
+        $storage->close();
+        $this->assertSame($sessionData, $readData, 'Written value can be read back correctly');
+    }
+
+    public function testReadConvertsStreamToString()
+    {
+        if (\defined('HHVM_VERSION')) {
+            $this->markTestSkipped('PHPUnit_MockObject cannot mock the PDOStatement class on HHVM. See https://github.com/sebastianbergmann/phpunit-mock-objects/pull/289');
+        }
+
+        $pdo = new MockPdo('pgsql');
+        $pdo->prepareResult = $this->getMockBuilder('PDOStatement')->getMock();
+
+        $content = 'foobar';
+        $stream = $this->createStream($content);
+
+        $pdo->prepareResult->expects($this->once())->method('fetchAll')
+            ->willReturn([[$stream, 42, time()]]);
+
+        $storage = new PdoSessionHandler($pdo);
+        $result = $storage->read('foo');
+
+        $this->assertSame($content, $result);
+    }
+
+    public function testReadLockedConvertsStreamToString()
+    {
+        if (\defined('HHVM_VERSION')) {
+            $this->markTestSkipped('PHPUnit_MockObject cannot mock the PDOStatement class on HHVM. See https://github.com/sebastianbergmann/phpunit-mock-objects/pull/289');
+        }
+        if (filter_var(ini_get('session.use_strict_mode'), \FILTER_VALIDATE_BOOLEAN)) {
+            $this->markTestSkipped('Strict mode needs no locking for new sessions.');
+        }
+
+        $pdo = new MockPdo('pgsql');
+        $selectStmt = $this->getMockBuilder('PDOStatement')->getMock();
+        $insertStmt = $this->getMockBuilder('PDOStatement')->getMock();
+
+        $pdo->prepareResult = function ($statement) use ($selectStmt, $insertStmt) {
+            return 0 === strpos($statement, 'INSERT') ? $insertStmt : $selectStmt;
+        };
+
+        $content = 'foobar';
+        $stream = $this->createStream($content);
+        $exception = null;
+
+        $selectStmt->expects($this->atLeast(2))->method('fetchAll')
+            ->willReturnCallback(function () use (&$exception, $stream) {
+                return $exception ? [[$stream, 42, time()]] : [];
+            });
+
+        $insertStmt->expects($this->once())->method('execute')
+            ->willReturnCallback(function () use (&$exception) {
+                throw $exception = new \PDOException('', '23');
+            });
+
+        $storage = new PdoSessionHandler($pdo);
+        $result = $storage->read('foo');
+
+        $this->assertSame($content, $result);
+    }
+
+    public function testReadingRequiresExactlySameId()
+    {
+        $storage = new PdoSessionHandler($this->getMemorySqlitePdo());
+        $storage->open('', 'sid');
+        $storage->write('id', 'data');
+        $storage->write('test', 'data');
+        $storage->write('space ', 'data');
+        $storage->close();
+
+        $storage->open('', 'sid');
+        $readDataCaseSensitive = $storage->read('ID');
+        $readDataNoCharFolding = $storage->read('tést');
+        $readDataKeepSpace = $storage->read('space ');
+        $readDataExtraSpace = $storage->read('space  ');
+        $storage->close();
+
+        $this->assertSame('', $readDataCaseSensitive, 'Retrieval by ID should be case-sensitive (collation setting)');
+        $this->assertSame('', $readDataNoCharFolding, 'Retrieval by ID should not do character folding (collation setting)');
+        $this->assertSame('data', $readDataKeepSpace, 'Retrieval by ID requires spaces as-is');
+        $this->assertSame('', $readDataExtraSpace, 'Retrieval by ID requires spaces as-is');
+    }
+
+    /**
+     * Simulates session_regenerate_id(true) which will require an INSERT or UPDATE (replace).
+     */
+    public function testWriteDifferentSessionIdThanRead()
+    {
+        $storage = new PdoSessionHandler($this->getMemorySqlitePdo());
+        $storage->open('', 'sid');
+        $storage->read('id');
+        $storage->destroy('id');
+        $storage->write('new_id', 'data_of_new_session_id');
+        $storage->close();
+
+        $storage->open('', 'sid');
+        $data = $storage->read('new_id');
+        $storage->close();
+
+        $this->assertSame('data_of_new_session_id', $data, 'Data of regenerated session id is available');
+    }
+
+    public function testWrongUsageStillWorks()
+    {
+        // wrong method sequence that should no happen, but still works
+        $storage = new PdoSessionHandler($this->getMemorySqlitePdo());
+        $storage->write('id', 'data');
+        $storage->write('other_id', 'other_data');
+        $storage->destroy('inexistent');
+        $storage->open('', 'sid');
+        $data = $storage->read('id');
+        $otherData = $storage->read('other_id');
+        $storage->close();
+
+        $this->assertSame('data', $data);
+        $this->assertSame('other_data', $otherData);
+    }
+
+    public function testSessionDestroy()
+    {
+        $pdo = $this->getMemorySqlitePdo();
+        $storage = new PdoSessionHandler($pdo);
+
+        $storage->open('', 'sid');
+        $storage->read('id');
+        $storage->write('id', 'data');
+        $storage->close();
+        $this->assertEquals(1, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn());
+
+        $storage->open('', 'sid');
+        $storage->read('id');
+        $storage->destroy('id');
+        $storage->close();
+        $this->assertEquals(0, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn());
+
+        $storage->open('', 'sid');
+        $data = $storage->read('id');
+        $storage->close();
+        $this->assertSame('', $data, 'Destroyed session returns empty string');
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testSessionGC()
+    {
+        $previousLifeTime = ini_set('session.gc_maxlifetime', 1000);
+        $pdo = $this->getMemorySqlitePdo();
+        $storage = new PdoSessionHandler($pdo);
+
+        $storage->open('', 'sid');
+        $storage->read('id');
+        $storage->write('id', 'data');
+        $storage->close();
+
+        $storage->open('', 'sid');
+        $storage->read('gc_id');
+        ini_set('session.gc_maxlifetime', -1); // test that you can set lifetime of a session after it has been read
+        $storage->write('gc_id', 'data');
+        $storage->close();
+        $this->assertEquals(2, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn(), 'No session pruned because gc not called');
+
+        $storage->open('', 'sid');
+        $data = $storage->read('gc_id');
+        $storage->gc(-1);
+        $storage->close();
+
+        ini_set('session.gc_maxlifetime', $previousLifeTime);
+
+        $this->assertSame('', $data, 'Session already considered garbage, so not returning data even if it is not pruned yet');
+        $this->assertEquals(1, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn(), 'Expired session is pruned');
+    }
+
+    public function testGetConnection()
+    {
+        $storage = new PdoSessionHandler($this->getMemorySqlitePdo());
+
+        $method = new \ReflectionMethod($storage, 'getConnection');
+        $method->setAccessible(true);
+
+        $this->assertInstanceOf('\PDO', $method->invoke($storage));
+    }
+
+    public function testGetConnectionConnectsIfNeeded()
+    {
+        $storage = new PdoSessionHandler('sqlite::memory:');
+
+        $method = new \ReflectionMethod($storage, 'getConnection');
+        $method->setAccessible(true);
+
+        $this->assertInstanceOf('\PDO', $method->invoke($storage));
+    }
+
+    /**
+     * @dataProvider provideUrlDsnPairs
+     */
+    public function testUrlDsn($url, $expectedDsn, $expectedUser = null, $expectedPassword = null)
+    {
+        $storage = new PdoSessionHandler($url);
+        $reflection = new \ReflectionClass(PdoSessionHandler::class);
+
+        foreach (['dsn' => $expectedDsn, 'username' => $expectedUser, 'password' => $expectedPassword] as $property => $expectedValue) {
+            if (!isset($expectedValue)) {
+                continue;
+            }
+            $property = $reflection->getProperty($property);
+            $property->setAccessible(true);
+            $this->assertSame($expectedValue, $property->getValue($storage));
+        }
+    }
+
+    public function provideUrlDsnPairs()
+    {
+        yield ['mysql://localhost/test', 'mysql:host=localhost;dbname=test;'];
+        yield ['mysql://localhost:56/test', 'mysql:host=localhost;port=56;dbname=test;'];
+        yield ['mysql2://root:pwd@localhost/test', 'mysql:host=localhost;dbname=test;', 'root', 'pwd'];
+        yield ['postgres://localhost/test', 'pgsql:host=localhost;dbname=test;'];
+        yield ['postgresql://localhost:5634/test', 'pgsql:host=localhost;port=5634;dbname=test;'];
+        yield ['postgres://root:pwd@localhost/test', 'pgsql:host=localhost;dbname=test;', 'root', 'pwd'];
+        yield 'sqlite relative path' => ['sqlite://localhost/tmp/test', 'sqlite:tmp/test'];
+        yield 'sqlite absolute path' => ['sqlite://localhost//tmp/test', 'sqlite:/tmp/test'];
+        yield 'sqlite relative path without host' => ['sqlite:///tmp/test', 'sqlite:tmp/test'];
+        yield 'sqlite absolute path without host' => ['sqlite3:////tmp/test', 'sqlite:/tmp/test'];
+        yield ['sqlite://localhost/:memory:', 'sqlite::memory:'];
+        yield ['mssql://localhost/test', 'sqlsrv:server=localhost;Database=test'];
+        yield ['mssql://localhost:56/test', 'sqlsrv:server=localhost,56;Database=test'];
+    }
+
+    private function createStream($content)
+    {
+        $stream = tmpfile();
+        fwrite($stream, $content);
+        fseek($stream, 0);
+
+        return $stream;
+    }
+}
+
+class MockPdo extends \PDO
+{
+    public $prepareResult;
+    private $driverName;
+    private $errorMode;
+
+    public function __construct($driverName = null, $errorMode = null)
+    {
+        $this->driverName = $driverName;
+        $this->errorMode = null !== $errorMode ?: \PDO::ERRMODE_EXCEPTION;
+    }
+
+    public function getAttribute($attribute)
+    {
+        if (\PDO::ATTR_ERRMODE === $attribute) {
+            return $this->errorMode;
+        }
+
+        if (\PDO::ATTR_DRIVER_NAME === $attribute) {
+            return $this->driverName;
+        }
+
+        return parent::getAttribute($attribute);
+    }
+
+    public function prepare($statement, $driverOptions = [])
+    {
+        return \is_callable($this->prepareResult)
+            ? \call_user_func($this->prepareResult, $statement, $driverOptions)
+            : $this->prepareResult;
+    }
+
+    public function beginTransaction()
+    {
+    }
+
+    public function rollBack()
+    {
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/StrictSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/StrictSessionHandlerTest.php
@@ -0,0 +1,189 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\AbstractSessionHandler;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\StrictSessionHandler;
+
+class StrictSessionHandlerTest extends TestCase
+{
+    public function testOpen()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('open')
+            ->with('path', 'name')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertInstanceOf('SessionUpdateTimestampHandlerInterface', $proxy);
+        $this->assertInstanceOf(AbstractSessionHandler::class, $proxy);
+        $this->assertTrue($proxy->open('path', 'name'));
+    }
+
+    public function testCloseSession()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('close')
+            ->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->close());
+    }
+
+    public function testValidateIdOK()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('data');
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->validateId('id'));
+    }
+
+    public function testValidateIdKO()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('');
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertFalse($proxy->validateId('id'));
+    }
+
+    public function testRead()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('data');
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertSame('data', $proxy->read('id'));
+    }
+
+    public function testReadWithValidateIdOK()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('data');
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->validateId('id'));
+        $this->assertSame('data', $proxy->read('id'));
+    }
+
+    public function testReadWithValidateIdMismatch()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->exactly(2))->method('read')
+            ->withConsecutive(['id1'], ['id2'])
+            ->will($this->onConsecutiveCalls('data1', 'data2'));
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->validateId('id1'));
+        $this->assertSame('data2', $proxy->read('id2'));
+    }
+
+    public function testUpdateTimestamp()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('write')
+            ->with('id', 'data')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->updateTimestamp('id', 'data'));
+    }
+
+    public function testWrite()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('write')
+            ->with('id', 'data')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->write('id', 'data'));
+    }
+
+    public function testWriteEmptyNewSession()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('');
+        $handler->expects($this->never())->method('write');
+        $handler->expects($this->once())->method('destroy')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertFalse($proxy->validateId('id'));
+        $this->assertSame('', $proxy->read('id'));
+        $this->assertTrue($proxy->write('id', ''));
+    }
+
+    public function testWriteEmptyExistingSession()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('data');
+        $handler->expects($this->never())->method('write');
+        $handler->expects($this->once())->method('destroy')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertSame('data', $proxy->read('id'));
+        $this->assertTrue($proxy->write('id', ''));
+    }
+
+    public function testDestroy()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('destroy')
+            ->with('id')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->destroy('id'));
+    }
+
+    public function testDestroyNewSession()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('');
+        $handler->expects($this->once())->method('destroy')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertSame('', $proxy->read('id'));
+        $this->assertTrue($proxy->destroy('id'));
+    }
+
+    public function testDestroyNonEmptyNewSession()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('read')
+            ->with('id')->willReturn('');
+        $handler->expects($this->once())->method('write')
+            ->with('id', 'data')->willReturn(true);
+        $handler->expects($this->once())->method('destroy')
+            ->with('id')->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertSame('', $proxy->read('id'));
+        $this->assertTrue($proxy->write('id', 'data'));
+        $this->assertTrue($proxy->destroy('id'));
+    }
+
+    public function testGc()
+    {
+        $handler = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $handler->expects($this->once())->method('gc')
+            ->with(123)->willReturn(true);
+        $proxy = new StrictSessionHandler($handler);
+
+        $this->assertTrue($proxy->gc(123));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/WriteCheckSessionHandlerTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/WriteCheckSessionHandlerTest.php
@@ -0,0 +1,97 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\WriteCheckSessionHandler;
+
+/**
+ * @author Adrien Brault <adrien.brault@gmail.com>
+ *
+ * @group legacy
+ */
+class WriteCheckSessionHandlerTest extends TestCase
+{
+    public function test()
+    {
+        $wrappedSessionHandlerMock = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $writeCheckSessionHandler = new WriteCheckSessionHandler($wrappedSessionHandlerMock);
+
+        $wrappedSessionHandlerMock
+            ->expects($this->once())
+            ->method('close')
+            ->with()
+            ->willReturn(true)
+        ;
+
+        $this->assertTrue($writeCheckSessionHandler->close());
+    }
+
+    public function testWrite()
+    {
+        $wrappedSessionHandlerMock = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $writeCheckSessionHandler = new WriteCheckSessionHandler($wrappedSessionHandlerMock);
+
+        $wrappedSessionHandlerMock
+            ->expects($this->once())
+            ->method('write')
+            ->with('foo', 'bar')
+            ->willReturn(true)
+        ;
+
+        $this->assertTrue($writeCheckSessionHandler->write('foo', 'bar'));
+    }
+
+    public function testSkippedWrite()
+    {
+        $wrappedSessionHandlerMock = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $writeCheckSessionHandler = new WriteCheckSessionHandler($wrappedSessionHandlerMock);
+
+        $wrappedSessionHandlerMock
+            ->expects($this->once())
+            ->method('read')
+            ->with('foo')
+            ->willReturn('bar')
+        ;
+
+        $wrappedSessionHandlerMock
+            ->expects($this->never())
+            ->method('write')
+        ;
+
+        $this->assertEquals('bar', $writeCheckSessionHandler->read('foo'));
+        $this->assertTrue($writeCheckSessionHandler->write('foo', 'bar'));
+    }
+
+    public function testNonSkippedWrite()
+    {
+        $wrappedSessionHandlerMock = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $writeCheckSessionHandler = new WriteCheckSessionHandler($wrappedSessionHandlerMock);
+
+        $wrappedSessionHandlerMock
+            ->expects($this->once())
+            ->method('read')
+            ->with('foo')
+            ->willReturn('bar')
+        ;
+
+        $wrappedSessionHandlerMock
+            ->expects($this->once())
+            ->method('write')
+            ->with('foo', 'baZZZ')
+            ->willReturn(true)
+        ;
+
+        $this->assertEquals('bar', $writeCheckSessionHandler->read('foo'));
+        $this->assertTrue($writeCheckSessionHandler->write('foo', 'baZZZ'));
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/MetadataBagTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/MetadataBagTest.php
@@ -0,0 +1,139 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\MetadataBag;
+
+/**
+ * Test class for MetadataBag.
+ *
+ * @group time-sensitive
+ */
+class MetadataBagTest extends TestCase
+{
+    /**
+     * @var MetadataBag
+     */
+    protected $bag;
+
+    protected $array = [];
+
+    protected function setUp()
+    {
+        parent::setUp();
+        $this->bag = new MetadataBag();
+        $this->array = [MetadataBag::CREATED => 1234567, MetadataBag::UPDATED => 12345678, MetadataBag::LIFETIME => 0];
+        $this->bag->initialize($this->array);
+    }
+
+    protected function tearDown()
+    {
+        $this->array = [];
+        $this->bag = null;
+        parent::tearDown();
+    }
+
+    public function testInitialize()
+    {
+        $sessionMetadata = [];
+
+        $bag1 = new MetadataBag();
+        $bag1->initialize($sessionMetadata);
+        $this->assertGreaterThanOrEqual(time(), $bag1->getCreated());
+        $this->assertEquals($bag1->getCreated(), $bag1->getLastUsed());
+
+        sleep(1);
+        $bag2 = new MetadataBag();
+        $bag2->initialize($sessionMetadata);
+        $this->assertEquals($bag1->getCreated(), $bag2->getCreated());
+        $this->assertEquals($bag1->getLastUsed(), $bag2->getLastUsed());
+        $this->assertEquals($bag2->getCreated(), $bag2->getLastUsed());
+
+        sleep(1);
+        $bag3 = new MetadataBag();
+        $bag3->initialize($sessionMetadata);
+        $this->assertEquals($bag1->getCreated(), $bag3->getCreated());
+        $this->assertGreaterThan($bag2->getLastUsed(), $bag3->getLastUsed());
+        $this->assertNotEquals($bag3->getCreated(), $bag3->getLastUsed());
+    }
+
+    public function testGetSetName()
+    {
+        $this->assertEquals('__metadata', $this->bag->getName());
+        $this->bag->setName('foo');
+        $this->assertEquals('foo', $this->bag->getName());
+    }
+
+    public function testGetStorageKey()
+    {
+        $this->assertEquals('_sf2_meta', $this->bag->getStorageKey());
+    }
+
+    public function testGetLifetime()
+    {
+        $bag = new MetadataBag();
+        $array = [MetadataBag::CREATED => 1234567, MetadataBag::UPDATED => 12345678, MetadataBag::LIFETIME => 1000];
+        $bag->initialize($array);
+        $this->assertEquals(1000, $bag->getLifetime());
+    }
+
+    public function testGetCreated()
+    {
+        $this->assertEquals(1234567, $this->bag->getCreated());
+    }
+
+    public function testGetLastUsed()
+    {
+        $this->assertLessThanOrEqual(time(), $this->bag->getLastUsed());
+    }
+
+    public function testClear()
+    {
+        $this->bag->clear();
+
+        // the clear method has no side effects, we just want to ensure it doesn't trigger any exceptions
+        $this->addToAssertionCount(1);
+    }
+
+    public function testSkipLastUsedUpdate()
+    {
+        $bag = new MetadataBag('', 30);
+        $timeStamp = time();
+
+        $created = $timeStamp - 15;
+        $sessionMetadata = [
+            MetadataBag::CREATED => $created,
+            MetadataBag::UPDATED => $created,
+            MetadataBag::LIFETIME => 1000,
+        ];
+        $bag->initialize($sessionMetadata);
+
+        $this->assertEquals($created, $sessionMetadata[MetadataBag::UPDATED]);
+    }
+
+    public function testDoesNotSkipLastUsedUpdate()
+    {
+        $bag = new MetadataBag('', 30);
+        $timeStamp = time();
+
+        $created = $timeStamp - 45;
+        $sessionMetadata = [
+            MetadataBag::CREATED => $created,
+            MetadataBag::UPDATED => $created,
+            MetadataBag::LIFETIME => 1000,
+        ];
+        $bag->initialize($sessionMetadata);
+
+        $this->assertEquals($timeStamp, $sessionMetadata[MetadataBag::UPDATED]);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/MockArraySessionStorageTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/MockArraySessionStorageTest.php
@@ -0,0 +1,129 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
+use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;
+
+/**
+ * Test class for MockArraySessionStorage.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class MockArraySessionStorageTest extends TestCase
+{
+    /**
+     * @var MockArraySessionStorage
+     */
+    private $storage;
+
+    /**
+     * @var AttributeBag
+     */
+    private $attributes;
+
+    /**
+     * @var FlashBag
+     */
+    private $flashes;
+
+    private $data;
+
+    protected function setUp()
+    {
+        $this->attributes = new AttributeBag();
+        $this->flashes = new FlashBag();
+
+        $this->data = [
+            $this->attributes->getStorageKey() => ['foo' => 'bar'],
+            $this->flashes->getStorageKey() => ['notice' => 'hello'],
+        ];
+
+        $this->storage = new MockArraySessionStorage();
+        $this->storage->registerBag($this->flashes);
+        $this->storage->registerBag($this->attributes);
+        $this->storage->setSessionData($this->data);
+    }
+
+    protected function tearDown()
+    {
+        $this->data = null;
+        $this->flashes = null;
+        $this->attributes = null;
+        $this->storage = null;
+    }
+
+    public function testStart()
+    {
+        $this->assertEquals('', $this->storage->getId());
+        $this->storage->start();
+        $id = $this->storage->getId();
+        $this->assertNotEquals('', $id);
+        $this->storage->start();
+        $this->assertEquals($id, $this->storage->getId());
+    }
+
+    public function testRegenerate()
+    {
+        $this->storage->start();
+        $id = $this->storage->getId();
+        $this->storage->regenerate();
+        $this->assertNotEquals($id, $this->storage->getId());
+        $this->assertEquals(['foo' => 'bar'], $this->storage->getBag('attributes')->all());
+        $this->assertEquals(['notice' => 'hello'], $this->storage->getBag('flashes')->peekAll());
+
+        $id = $this->storage->getId();
+        $this->storage->regenerate(true);
+        $this->assertNotEquals($id, $this->storage->getId());
+        $this->assertEquals(['foo' => 'bar'], $this->storage->getBag('attributes')->all());
+        $this->assertEquals(['notice' => 'hello'], $this->storage->getBag('flashes')->peekAll());
+    }
+
+    public function testGetId()
+    {
+        $this->assertEquals('', $this->storage->getId());
+        $this->storage->start();
+        $this->assertNotEquals('', $this->storage->getId());
+    }
+
+    public function testClearClearsBags()
+    {
+        $this->storage->clear();
+
+        $this->assertSame([], $this->storage->getBag('attributes')->all());
+        $this->assertSame([], $this->storage->getBag('flashes')->peekAll());
+    }
+
+    public function testClearStartsSession()
+    {
+        $this->storage->clear();
+
+        $this->assertTrue($this->storage->isStarted());
+    }
+
+    public function testClearWithNoBagsStartsSession()
+    {
+        $storage = new MockArraySessionStorage();
+
+        $storage->clear();
+
+        $this->assertTrue($storage->isStarted());
+    }
+
+    public function testUnstartedSave()
+    {
+        $this->expectException('RuntimeException');
+        $this->storage->save();
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/MockFileSessionStorageTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/MockFileSessionStorageTest.php
@@ -0,0 +1,125 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
+use Symfony\Component\HttpFoundation\Session\Storage\MockFileSessionStorage;
+
+/**
+ * Test class for MockFileSessionStorage.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class MockFileSessionStorageTest extends TestCase
+{
+    /**
+     * @var string
+     */
+    private $sessionDir;
+
+    /**
+     * @var MockFileSessionStorage
+     */
+    protected $storage;
+
+    protected function setUp()
+    {
+        $this->sessionDir = sys_get_temp_dir().'/sf2test';
+        $this->storage = $this->getStorage();
+    }
+
+    protected function tearDown()
+    {
+        array_map('unlink', glob($this->sessionDir.'/*'));
+        if (is_dir($this->sessionDir)) {
+            @rmdir($this->sessionDir);
+        }
+        $this->sessionDir = null;
+        $this->storage = null;
+    }
+
+    public function testStart()
+    {
+        $this->assertEquals('', $this->storage->getId());
+        $this->assertTrue($this->storage->start());
+        $id = $this->storage->getId();
+        $this->assertNotEquals('', $this->storage->getId());
+        $this->assertTrue($this->storage->start());
+        $this->assertEquals($id, $this->storage->getId());
+    }
+
+    public function testRegenerate()
+    {
+        $this->storage->start();
+        $this->storage->getBag('attributes')->set('regenerate', 1234);
+        $this->storage->regenerate();
+        $this->assertEquals(1234, $this->storage->getBag('attributes')->get('regenerate'));
+        $this->storage->regenerate(true);
+        $this->assertEquals(1234, $this->storage->getBag('attributes')->get('regenerate'));
+    }
+
+    public function testGetId()
+    {
+        $this->assertEquals('', $this->storage->getId());
+        $this->storage->start();
+        $this->assertNotEquals('', $this->storage->getId());
+    }
+
+    public function testSave()
+    {
+        $this->storage->start();
+        $id = $this->storage->getId();
+        $this->assertNotEquals('108', $this->storage->getBag('attributes')->get('new'));
+        $this->assertFalse($this->storage->getBag('flashes')->has('newkey'));
+        $this->storage->getBag('attributes')->set('new', '108');
+        $this->storage->getBag('flashes')->set('newkey', 'test');
+        $this->storage->save();
+
+        $storage = $this->getStorage();
+        $storage->setId($id);
+        $storage->start();
+        $this->assertEquals('108', $storage->getBag('attributes')->get('new'));
+        $this->assertTrue($storage->getBag('flashes')->has('newkey'));
+        $this->assertEquals(['test'], $storage->getBag('flashes')->peek('newkey'));
+    }
+
+    public function testMultipleInstances()
+    {
+        $storage1 = $this->getStorage();
+        $storage1->start();
+        $storage1->getBag('attributes')->set('foo', 'bar');
+        $storage1->save();
+
+        $storage2 = $this->getStorage();
+        $storage2->setId($storage1->getId());
+        $storage2->start();
+        $this->assertEquals('bar', $storage2->getBag('attributes')->get('foo'), 'values persist between instances');
+    }
+
+    public function testSaveWithoutStart()
+    {
+        $this->expectException('RuntimeException');
+        $storage1 = $this->getStorage();
+        $storage1->save();
+    }
+
+    private function getStorage()
+    {
+        $storage = new MockFileSessionStorage($this->sessionDir);
+        $storage->registerBag(new FlashBag());
+        $storage->registerBag(new AttributeBag());
+
+        return $storage;
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/NativeSessionStorageTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/NativeSessionStorageTest.php
@@ -0,0 +1,303 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;
+use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\NativeFileSessionHandler;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\NullSessionHandler;
+use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
+use Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy;
+
+/**
+ * Test class for NativeSessionStorage.
+ *
+ * @author Drak <drak@zikula.org>
+ *
+ * These tests require separate processes.
+ *
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ */
+class NativeSessionStorageTest extends TestCase
+{
+    private $savePath;
+
+    protected function setUp()
+    {
+        $this->iniSet('session.save_handler', 'files');
+        $this->iniSet('session.save_path', $this->savePath = sys_get_temp_dir().'/sftest');
+        if (!is_dir($this->savePath)) {
+            mkdir($this->savePath);
+        }
+    }
+
+    protected function tearDown()
+    {
+        session_write_close();
+        array_map('unlink', glob($this->savePath.'/*'));
+        if (is_dir($this->savePath)) {
+            @rmdir($this->savePath);
+        }
+
+        $this->savePath = null;
+    }
+
+    /**
+     * @return NativeSessionStorage
+     */
+    protected function getStorage(array $options = [])
+    {
+        $storage = new NativeSessionStorage($options);
+        $storage->registerBag(new AttributeBag());
+
+        return $storage;
+    }
+
+    public function testBag()
+    {
+        $storage = $this->getStorage();
+        $bag = new FlashBag();
+        $storage->registerBag($bag);
+        $this->assertSame($bag, $storage->getBag($bag->getName()));
+    }
+
+    public function testRegisterBagException()
+    {
+        $this->expectException('InvalidArgumentException');
+        $storage = $this->getStorage();
+        $storage->getBag('non_existing');
+    }
+
+    public function testRegisterBagForAStartedSessionThrowsException()
+    {
+        $this->expectException('LogicException');
+        $storage = $this->getStorage();
+        $storage->start();
+        $storage->registerBag(new AttributeBag());
+    }
+
+    public function testGetId()
+    {
+        $storage = $this->getStorage();
+        $this->assertSame('', $storage->getId(), 'Empty ID before starting session');
+
+        $storage->start();
+        $id = $storage->getId();
+        $this->assertIsString($id);
+        $this->assertNotSame('', $id);
+
+        $storage->save();
+        $this->assertSame($id, $storage->getId(), 'ID stays after saving session');
+    }
+
+    public function testRegenerate()
+    {
+        $storage = $this->getStorage();
+        $storage->start();
+        $id = $storage->getId();
+        $storage->getBag('attributes')->set('lucky', 7);
+        $storage->regenerate();
+        $this->assertNotEquals($id, $storage->getId());
+        $this->assertEquals(7, $storage->getBag('attributes')->get('lucky'));
+    }
+
+    public function testRegenerateDestroy()
+    {
+        $storage = $this->getStorage();
+        $storage->start();
+        $id = $storage->getId();
+        $storage->getBag('attributes')->set('legs', 11);
+        $storage->regenerate(true);
+        $this->assertNotEquals($id, $storage->getId());
+        $this->assertEquals(11, $storage->getBag('attributes')->get('legs'));
+    }
+
+    public function testRegenerateWithCustomLifetime()
+    {
+        $storage = $this->getStorage();
+        $storage->start();
+        $id = $storage->getId();
+        $lifetime = 999999;
+        $storage->getBag('attributes')->set('legs', 11);
+        $storage->regenerate(false, $lifetime);
+        $this->assertNotEquals($id, $storage->getId());
+        $this->assertEquals(11, $storage->getBag('attributes')->get('legs'));
+        $this->assertEquals($lifetime, ini_get('session.cookie_lifetime'));
+    }
+
+    public function testSessionGlobalIsUpToDateAfterIdRegeneration()
+    {
+        $storage = $this->getStorage();
+        $storage->start();
+        $storage->getBag('attributes')->set('lucky', 7);
+        $storage->regenerate();
+        $storage->getBag('attributes')->set('lucky', 42);
+
+        $this->assertEquals(42, $_SESSION['_sf2_attributes']['lucky']);
+    }
+
+    public function testRegenerationFailureDoesNotFlagStorageAsStarted()
+    {
+        $storage = $this->getStorage();
+        $this->assertFalse($storage->regenerate());
+        $this->assertFalse($storage->isStarted());
+    }
+
+    public function testDefaultSessionCacheLimiter()
+    {
+        $this->iniSet('session.cache_limiter', 'nocache');
+
+        new NativeSessionStorage();
+        $this->assertEquals('', ini_get('session.cache_limiter'));
+    }
+
+    public function testExplicitSessionCacheLimiter()
+    {
+        $this->iniSet('session.cache_limiter', 'nocache');
+
+        new NativeSessionStorage(['cache_limiter' => 'public']);
+        $this->assertEquals('public', ini_get('session.cache_limiter'));
+    }
+
+    public function testCookieOptions()
+    {
+        $options = [
+            'cookie_lifetime' => 123456,
+            'cookie_path' => '/my/cookie/path',
+            'cookie_domain' => 'symfony.example.com',
+            'cookie_secure' => true,
+            'cookie_httponly' => false,
+        ];
+
+        if (\PHP_VERSION_ID >= 70300) {
+            $options['cookie_samesite'] = 'lax';
+        }
+
+        $this->getStorage($options);
+        $temp = session_get_cookie_params();
+        $gco = [];
+
+        foreach ($temp as $key => $value) {
+            $gco['cookie_'.$key] = $value;
+        }
+
+        $this->assertEquals($options, $gco);
+    }
+
+    public function testSessionOptions()
+    {
+        if (\defined('HHVM_VERSION')) {
+            $this->markTestSkipped('HHVM is not handled in this test case.');
+        }
+
+        $options = [
+            'url_rewriter.tags' => 'a=href',
+            'cache_expire' => '200',
+        ];
+
+        $this->getStorage($options);
+
+        $this->assertSame('a=href', ini_get('url_rewriter.tags'));
+        $this->assertSame('200', ini_get('session.cache_expire'));
+    }
+
+    public function testSetSaveHandlerException()
+    {
+        $this->expectException('InvalidArgumentException');
+        $storage = $this->getStorage();
+        $storage->setSaveHandler(new \stdClass());
+    }
+
+    public function testSetSaveHandler()
+    {
+        $this->iniSet('session.save_handler', 'files');
+        $storage = $this->getStorage();
+        $storage->setSaveHandler();
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $storage->setSaveHandler(null);
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $storage->setSaveHandler(new SessionHandlerProxy(new NativeFileSessionHandler()));
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $storage->setSaveHandler(new NativeFileSessionHandler());
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $storage->setSaveHandler(new SessionHandlerProxy(new NullSessionHandler()));
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $storage->setSaveHandler(new NullSessionHandler());
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+    }
+
+    public function testStarted()
+    {
+        $this->expectException('RuntimeException');
+        $storage = $this->getStorage();
+
+        $this->assertFalse($storage->getSaveHandler()->isActive());
+        $this->assertFalse($storage->isStarted());
+
+        session_start();
+        $this->assertTrue(isset($_SESSION));
+        $this->assertTrue($storage->getSaveHandler()->isActive());
+
+        // PHP session might have started, but the storage driver has not, so false is correct here
+        $this->assertFalse($storage->isStarted());
+
+        $key = $storage->getMetadataBag()->getStorageKey();
+        $this->assertArrayNotHasKey($key, $_SESSION);
+        $storage->start();
+    }
+
+    public function testRestart()
+    {
+        $storage = $this->getStorage();
+        $storage->start();
+        $id = $storage->getId();
+        $storage->getBag('attributes')->set('lucky', 7);
+        $storage->save();
+        $storage->start();
+        $this->assertSame($id, $storage->getId(), 'Same session ID after restarting');
+        $this->assertSame(7, $storage->getBag('attributes')->get('lucky'), 'Data still available');
+    }
+
+    public function testCanCreateNativeSessionStorageWhenSessionAlreadyStarted()
+    {
+        session_start();
+        $this->getStorage();
+
+        // Assert no exception has been thrown by `getStorage()`
+        $this->addToAssertionCount(1);
+    }
+
+    public function testSetSessionOptionsOnceSessionStartedIsIgnored()
+    {
+        session_start();
+        $this->getStorage([
+            'name' => 'something-else',
+        ]);
+
+        // Assert no exception has been thrown by `getStorage()`
+        $this->addToAssertionCount(1);
+    }
+
+    public function testGetBagsOnceSessionStartedIsIgnored()
+    {
+        session_start();
+        $bag = new AttributeBag();
+        $bag->setName('flashes');
+
+        $storage = $this->getStorage();
+        $storage->registerBag($bag);
+
+        $this->assertEquals($storage->getBag('flashes'), $bag);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/PhpBridgeSessionStorageTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/PhpBridgeSessionStorageTest.php
@@ -0,0 +1,96 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;
+use Symfony\Component\HttpFoundation\Session\Storage\PhpBridgeSessionStorage;
+
+/**
+ * Test class for PhpSessionStorage.
+ *
+ * @author Drak <drak@zikula.org>
+ *
+ * These tests require separate processes.
+ *
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ */
+class PhpBridgeSessionStorageTest extends TestCase
+{
+    private $savePath;
+
+    protected function setUp()
+    {
+        $this->iniSet('session.save_handler', 'files');
+        $this->iniSet('session.save_path', $this->savePath = sys_get_temp_dir().'/sf2test');
+        if (!is_dir($this->savePath)) {
+            mkdir($this->savePath);
+        }
+    }
+
+    protected function tearDown()
+    {
+        session_write_close();
+        array_map('unlink', glob($this->savePath.'/*'));
+        if (is_dir($this->savePath)) {
+            @rmdir($this->savePath);
+        }
+
+        $this->savePath = null;
+    }
+
+    /**
+     * @return PhpBridgeSessionStorage
+     */
+    protected function getStorage()
+    {
+        $storage = new PhpBridgeSessionStorage();
+        $storage->registerBag(new AttributeBag());
+
+        return $storage;
+    }
+
+    public function testPhpSession()
+    {
+        $storage = $this->getStorage();
+
+        $this->assertFalse($storage->getSaveHandler()->isActive());
+        $this->assertFalse($storage->isStarted());
+
+        session_start();
+        $this->assertTrue(isset($_SESSION));
+        // in PHP 5.4 we can reliably detect a session started
+        $this->assertTrue($storage->getSaveHandler()->isActive());
+        // PHP session might have started, but the storage driver has not, so false is correct here
+        $this->assertFalse($storage->isStarted());
+
+        $key = $storage->getMetadataBag()->getStorageKey();
+        $this->assertArrayNotHasKey($key, $_SESSION);
+        $storage->start();
+        $this->assertArrayHasKey($key, $_SESSION);
+    }
+
+    public function testClear()
+    {
+        $storage = $this->getStorage();
+        session_start();
+        $_SESSION['drak'] = 'loves symfony';
+        $storage->getBag('attributes')->set('symfony', 'greatness');
+        $key = $storage->getBag('attributes')->getStorageKey();
+        $this->assertEquals(['symfony' => 'greatness'], $_SESSION[$key]);
+        $this->assertEquals('loves symfony', $_SESSION['drak']);
+        $storage->clear();
+        $this->assertEquals([], $_SESSION[$key]);
+        $this->assertEquals('loves symfony', $_SESSION['drak']);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/AbstractProxyTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/AbstractProxyTest.php
@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Proxy;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Proxy\AbstractProxy;
+use Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy;
+
+/**
+ * Test class for AbstractProxy.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class AbstractProxyTest extends TestCase
+{
+    /**
+     * @var AbstractProxy
+     */
+    protected $proxy;
+
+    protected function setUp()
+    {
+        $this->proxy = $this->getMockForAbstractClass(AbstractProxy::class);
+    }
+
+    protected function tearDown()
+    {
+        $this->proxy = null;
+    }
+
+    public function testGetSaveHandlerName()
+    {
+        $this->assertNull($this->proxy->getSaveHandlerName());
+    }
+
+    public function testIsSessionHandlerInterface()
+    {
+        $this->assertFalse($this->proxy->isSessionHandlerInterface());
+        $sh = new SessionHandlerProxy(new \SessionHandler());
+        $this->assertTrue($sh->isSessionHandlerInterface());
+    }
+
+    public function testIsWrapper()
+    {
+        $this->assertFalse($this->proxy->isWrapper());
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testIsActive()
+    {
+        $this->assertFalse($this->proxy->isActive());
+        session_start();
+        $this->assertTrue($this->proxy->isActive());
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testName()
+    {
+        $this->assertEquals(session_name(), $this->proxy->getName());
+        $this->proxy->setName('foo');
+        $this->assertEquals('foo', $this->proxy->getName());
+        $this->assertEquals(session_name(), $this->proxy->getName());
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testNameException()
+    {
+        $this->expectException('LogicException');
+        session_start();
+        $this->proxy->setName('foo');
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testId()
+    {
+        $this->assertEquals(session_id(), $this->proxy->getId());
+        $this->proxy->setId('foo');
+        $this->assertEquals('foo', $this->proxy->getId());
+        $this->assertEquals(session_id(), $this->proxy->getId());
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testIdException()
+    {
+        $this->expectException('LogicException');
+        session_start();
+        $this->proxy->setId('foo');
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/NativeProxyTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/NativeProxyTest.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Proxy;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Proxy\NativeProxy;
+
+/**
+ * Test class for NativeProxy.
+ *
+ * @group legacy
+ *
+ * @author Drak <drak@zikula.org>
+ */
+class NativeProxyTest extends TestCase
+{
+    public function testIsWrapper()
+    {
+        $proxy = new NativeProxy();
+        $this->assertFalse($proxy->isWrapper());
+    }
+
+    public function testGetSaveHandlerName()
+    {
+        $name = ini_get('session.save_handler');
+        $proxy = new NativeProxy();
+        $this->assertEquals($name, $proxy->getSaveHandlerName());
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/SessionHandlerProxyTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/SessionHandlerProxyTest.php
@@ -0,0 +1,162 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Proxy;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy;
+
+/**
+ * Tests for SessionHandlerProxy class.
+ *
+ * @author Drak <drak@zikula.org>
+ *
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ */
+class SessionHandlerProxyTest extends TestCase
+{
+    /**
+     * @var \PHPUnit\Framework\MockObject\Matcher
+     */
+    private $mock;
+
+    /**
+     * @var SessionHandlerProxy
+     */
+    private $proxy;
+
+    protected function setUp()
+    {
+        $this->mock = $this->getMockBuilder('SessionHandlerInterface')->getMock();
+        $this->proxy = new SessionHandlerProxy($this->mock);
+    }
+
+    protected function tearDown()
+    {
+        $this->mock = null;
+        $this->proxy = null;
+    }
+
+    public function testOpenTrue()
+    {
+        $this->mock->expects($this->once())
+            ->method('open')
+            ->willReturn(true);
+
+        $this->assertFalse($this->proxy->isActive());
+        $this->proxy->open('name', 'id');
+        $this->assertFalse($this->proxy->isActive());
+    }
+
+    public function testOpenFalse()
+    {
+        $this->mock->expects($this->once())
+            ->method('open')
+            ->willReturn(false);
+
+        $this->assertFalse($this->proxy->isActive());
+        $this->proxy->open('name', 'id');
+        $this->assertFalse($this->proxy->isActive());
+    }
+
+    public function testClose()
+    {
+        $this->mock->expects($this->once())
+            ->method('close')
+            ->willReturn(true);
+
+        $this->assertFalse($this->proxy->isActive());
+        $this->proxy->close();
+        $this->assertFalse($this->proxy->isActive());
+    }
+
+    public function testCloseFalse()
+    {
+        $this->mock->expects($this->once())
+            ->method('close')
+            ->willReturn(false);
+
+        $this->assertFalse($this->proxy->isActive());
+        $this->proxy->close();
+        $this->assertFalse($this->proxy->isActive());
+    }
+
+    public function testRead()
+    {
+        $this->mock->expects($this->once())
+            ->method('read');
+
+        $this->proxy->read('id');
+    }
+
+    public function testWrite()
+    {
+        $this->mock->expects($this->once())
+            ->method('write');
+
+        $this->proxy->write('id', 'data');
+    }
+
+    public function testDestroy()
+    {
+        $this->mock->expects($this->once())
+            ->method('destroy');
+
+        $this->proxy->destroy('id');
+    }
+
+    public function testGc()
+    {
+        $this->mock->expects($this->once())
+            ->method('gc');
+
+        $this->proxy->gc(86400);
+    }
+
+    /**
+     * @requires PHPUnit 5.1
+     */
+    public function testValidateId()
+    {
+        $mock = $this->getMockBuilder(TestSessionHandler::class)->getMock();
+        $mock->expects($this->once())
+            ->method('validateId');
+
+        $proxy = new SessionHandlerProxy($mock);
+        $proxy->validateId('id');
+
+        $this->assertTrue($this->proxy->validateId('id'));
+    }
+
+    /**
+     * @requires PHPUnit 5.1
+     */
+    public function testUpdateTimestamp()
+    {
+        $mock = $this->getMockBuilder(TestSessionHandler::class)->getMock();
+        $mock->expects($this->once())
+            ->method('updateTimestamp')
+            ->willReturn(false);
+
+        $proxy = new SessionHandlerProxy($mock);
+        $proxy->updateTimestamp('id', 'data');
+
+        $this->mock->expects($this->once())
+            ->method('write');
+
+        $this->proxy->updateTimestamp('id', 'data');
+    }
+}
+
+abstract class TestSessionHandler implements \SessionHandlerInterface, \SessionUpdateTimestampHandlerInterface
+{
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/Proxy/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/Storage/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/Session/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/StreamedResponseTest.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/StreamedResponseTest.php
@@ -0,0 +1,140 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class StreamedResponseTest extends TestCase
+{
+    public function testConstructor()
+    {
+        $response = new StreamedResponse(function () { echo 'foo'; }, 404, ['Content-Type' => 'text/plain']);
+
+        $this->assertEquals(404, $response->getStatusCode());
+        $this->assertEquals('text/plain', $response->headers->get('Content-Type'));
+    }
+
+    public function testPrepareWith11Protocol()
+    {
+        $response = new StreamedResponse(function () { echo 'foo'; });
+        $request = Request::create('/');
+        $request->server->set('SERVER_PROTOCOL', 'HTTP/1.1');
+
+        $response->prepare($request);
+
+        $this->assertEquals('1.1', $response->getProtocolVersion());
+        $this->assertNotEquals('chunked', $response->headers->get('Transfer-Encoding'), 'Apache assumes responses with a Transfer-Encoding header set to chunked to already be encoded.');
+    }
+
+    public function testPrepareWith10Protocol()
+    {
+        $response = new StreamedResponse(function () { echo 'foo'; });
+        $request = Request::create('/');
+        $request->server->set('SERVER_PROTOCOL', 'HTTP/1.0');
+
+        $response->prepare($request);
+
+        $this->assertEquals('1.0', $response->getProtocolVersion());
+        $this->assertNull($response->headers->get('Transfer-Encoding'));
+    }
+
+    public function testPrepareWithHeadRequest()
+    {
+        $response = new StreamedResponse(function () { echo 'foo'; }, 200, ['Content-Length' => '123']);
+        $request = Request::create('/', 'HEAD');
+
+        $response->prepare($request);
+
+        $this->assertSame('123', $response->headers->get('Content-Length'));
+    }
+
+    public function testPrepareWithCacheHeaders()
+    {
+        $response = new StreamedResponse(function () { echo 'foo'; }, 200, ['Cache-Control' => 'max-age=600, public']);
+        $request = Request::create('/', 'GET');
+
+        $response->prepare($request);
+        $this->assertEquals('max-age=600, public', $response->headers->get('Cache-Control'));
+    }
+
+    public function testSendContent()
+    {
+        $called = 0;
+
+        $response = new StreamedResponse(function () use (&$called) { ++$called; });
+
+        $response->sendContent();
+        $this->assertEquals(1, $called);
+
+        $response->sendContent();
+        $this->assertEquals(1, $called);
+    }
+
+    public function testSendContentWithNonCallable()
+    {
+        $this->expectException('LogicException');
+        $response = new StreamedResponse(null);
+        $response->sendContent();
+    }
+
+    public function testSetContent()
+    {
+        $this->expectException('LogicException');
+        $response = new StreamedResponse(function () { echo 'foo'; });
+        $response->setContent('foo');
+    }
+
+    public function testGetContent()
+    {
+        $response = new StreamedResponse(function () { echo 'foo'; });
+        $this->assertFalse($response->getContent());
+    }
+
+    public function testCreate()
+    {
+        $response = StreamedResponse::create(function () {}, 204);
+
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response);
+        $this->assertEquals(204, $response->getStatusCode());
+    }
+
+    public function testReturnThis()
+    {
+        $response = new StreamedResponse(function () {});
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendContent());
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendContent());
+
+        $response = new StreamedResponse(function () {});
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendHeaders());
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendHeaders());
+    }
+
+    public function testSetNotModified()
+    {
+        $response = new StreamedResponse(function () { echo 'foo'; });
+        $modified = $response->setNotModified();
+        $this->assertObjectHasAttribute('headers', $modified);
+        $this->assertObjectHasAttribute('content', $modified);
+        $this->assertObjectHasAttribute('version', $modified);
+        $this->assertObjectHasAttribute('statusCode', $modified);
+        $this->assertObjectHasAttribute('statusText', $modified);
+        $this->assertObjectHasAttribute('charset', $modified);
+        $this->assertEquals(304, $modified->getStatusCode());
+
+        ob_start();
+        $modified->sendContent();
+        $string = ob_get_clean();
+        $this->assertEmpty($string);
+    }
+}
--- a/modules/ps_metrics/vendor/symfony/http-foundation/Tests/index.php
+++ b/modules/ps_metrics/vendor/symfony/http-foundation/Tests/index.php
@@ -0,0 +1,11 @@
+<?php
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
--- a/Show More
+++ b/Show More