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libraries/framework/vendor/plugins/c3charts/spec/api.zoom-spec.js

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+var describe = window.describe,
+    expect = window.expect,
+    it = window.it,
+    beforeEach = window.beforeEach;
+
+describe('c3 api zoom', function () {
+    'use strict';
+
+    var chart, d3;
+
+    var args = {
+        data: {
+            columns: [
+                ['data1', 30, 200, 100, 400, 150, 250],
+                ['data2', 50, 20, 10, 40, 15, 25],
+                ['data3', 150, 120, 110, 140, 115, 125]
+            ]
+        },
+        zoom: {
+            enabled: true
+        }
+    };
+
+    beforeEach(function (done) {
+        if (typeof chart === 'undefined') {
+            window.initDom();
+        }
+        chart = window.c3.generate(args);
+        d3 = chart.internal.d3;
+//        chart.internal.d3.select('.jasmine_html-reporter').style('display', 'none');
+
+        window.setTimeout(function () {
+            done();
+        }, 10);
+    });
+
+    describe('zoom', function () {
+
+        it('should be zoomed properly', function () {
+            var target = [3, 5], domain;
+            chart.zoom(target);
+            domain = chart.internal.x.domain();
+            expect(domain[0]).toBe(target[0]);
+            expect(domain[1]).toBe(target[1]);
+        });
+
+        it('should be zoomed properly again', function () {
+            var target = [1, 4], domain;
+            chart.zoom(target);
+            domain = chart.internal.x.domain();
+            expect(domain[0]).toBe(target[0]);
+            expect(domain[1]).toBe(target[1]);
+        });
+
+        it('should load timeseries data', function () {
+            args = {
+                data: {
+                    x: 'date',
+                    columns: [
+                        ['date', '2014-01-01', '2014-01-02', '2014-08-01', '2014-10-19'],
+                        ['data1', 30, 200, 100, 400]
+                    ]
+                },
+                axis: {
+                    x: {
+                        type: 'timeseries'
+                    }
+                },
+                zoom: {
+                    enabled: true
+                }
+            };
+            expect(true).toBeTruthy();
+        });
+
+        it('should be zoomed properly', function () {
+            var target = [new Date(2014, 7, 1), new Date(2014, 8, 1)], domain;
+            chart.zoom(target);
+            domain = chart.internal.x.domain();
+            expect(+domain[0]).toBe(+target[0]);
+            expect(+domain[1]).toBe(+target[1]);
+        });
+
+        it('should be zoomed properly', function () {
+            var target = ['2014-08-01', '2014-09-01'], domain;
+            chart.zoom(target);
+            domain = chart.internal.x.domain();
+            expect(+domain[0]).toBe(+chart.internal.parseDate(target[0]));
+            expect(+domain[1]).toBe(+chart.internal.parseDate(target[1]));
+        });
+
+    });
+
+    describe('unzoom', function () {
+
+        it('should load indexed data', function () {
+            args = {
+                data: {
+                    columns: [
+                        ['data1', 30, 200, 100, 400, 150, 250]
+                    ]
+                },
+                zoom: {
+                    enabled: true
+                }
+            };
+            expect(true).toBeTruthy();
+        });
+
+        it('should be unzoomed properly', function () {
+            var target = [1, 4], orginal = chart.internal.x.domain(), domain;
+
+            chart.zoom(target);
+            domain = chart.internal.x.domain();
+            expect(domain[0]).toBe(target[0]);
+            expect(domain[1]).toBe(target[1]);
+
+            chart.unzoom();
+            domain = chart.internal.x.domain();
+            expect(domain[0]).toBe(orginal[0]);
+            expect(domain[1]).toBe(orginal[1]);
+        });
+
+    });
+
+});