This repository has been archived by the owner on May 29, 2019. It is now read-only.
/
carousel.spec.js
339 lines (295 loc) · 10.6 KB
/
carousel.spec.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
describe('carousel', function() {
beforeEach(module('ui.bootstrap.carousel', function($compileProvider, $provide) {
angular.forEach(['ngSwipeLeft', 'ngSwipeRight'], makeMock);
function makeMock(name) {
$provide.value(name + 'Directive', []); //remove existing directive if it exists
$compileProvider.directive(name, function() {
return function(scope, element, attr) {
element.on(name, function() {
scope.$apply(attr[name]);
});
};
});
}
}));
beforeEach(module('template/carousel/carousel.html', 'template/carousel/slide.html'));
var $rootScope, $compile, $controller, $timeout;
beforeEach(inject(function(_$rootScope_, _$compile_, _$controller_, _$timeout_) {
$rootScope = _$rootScope_;
$compile = _$compile_;
$controller = _$controller_;
$timeout = _$timeout_;
}));
describe('basics', function() {
var elm, scope;
beforeEach(function() {
scope = $rootScope.$new();
scope.slides = [
{active:false,content:'one'},
{active:false,content:'two'},
{active:false,content:'three'}
];
elm = $compile(
'<carousel interval="interval" no-transition="true" no-pause="nopause">' +
'<slide ng-repeat="slide in slides" active="slide.active">' +
'{{slide.content}}' +
'</slide>' +
'</carousel>'
)(scope);
scope.interval = 5000;
scope.nopause = undefined;
scope.$apply();
});
function testSlideActive(slideIndex) {
for (var i=0; i<scope.slides.length; i++) {
if (i == slideIndex) {
expect(scope.slides[i].active).toBe(true);
} else {
expect(scope.slides[i].active).not.toBe(true);
}
}
}
it('should set the selected slide to active = true', function() {
expect(scope.slides[0].content).toBe('one');
testSlideActive(0);
scope.$apply('slides[1].active=true');
testSlideActive(1);
});
it('should create clickable prev nav button', function() {
var navPrev = elm.find('a.left');
var navNext = elm.find('a.right');
expect(navPrev.length).toBe(1);
expect(navNext.length).toBe(1);
});
it('should display clickable slide indicators', function () {
var indicators = elm.find('ol.carousel-indicators > li');
expect(indicators.length).toBe(3);
});
it('should hide navigation when only one slide', function () {
scope.slides=[{active:false,content:'one'}];
scope.$apply();
elm = $compile(
'<carousel interval="interval" no-transition="true">' +
'<slide ng-repeat="slide in slides" active="slide.active">' +
'{{slide.content}}' +
'</slide>' +
'</carousel>'
)(scope);
var indicators = elm.find('ol.carousel-indicators > li');
expect(indicators.length).toBe(0);
var navNext = elm.find('a.right');
expect(navNext.length).toBe(0);
var navPrev = elm.find('a.left');
expect(navPrev.length).toBe(0);
});
it('should show navigation when there are 3 slides', function () {
var indicators = elm.find('ol.carousel-indicators > li');
expect(indicators.length).not.toBe(0);
var navNext = elm.find('a.right');
expect(navNext.length).not.toBe(0);
var navPrev = elm.find('a.left');
expect(navPrev.length).not.toBe(0);
});
it('should go to next when clicking next button', function() {
var navNext = elm.find('a.right');
testSlideActive(0);
navNext.click();
testSlideActive(1);
navNext.click();
testSlideActive(2);
navNext.click();
testSlideActive(0);
});
it('should go to prev when clicking prev button', function() {
var navPrev = elm.find('a.left');
testSlideActive(0);
navPrev.click();
testSlideActive(2);
navPrev.click();
testSlideActive(1);
navPrev.click();
testSlideActive(0);
});
describe('swiping', function() {
it('should go next on swipeLeft', function() {
testSlideActive(0);
elm.triggerHandler('ngSwipeLeft');
testSlideActive(1);
});
it('should go prev on swipeRight', function() {
testSlideActive(0);
elm.triggerHandler('ngSwipeRight');
testSlideActive(2);
});
});
it('should select a slide when clicking on slide indicators', function () {
var indicators = elm.find('ol.carousel-indicators > li');
indicators.eq(1).click();
testSlideActive(1);
});
it('shouldnt go forward if interval is NaN or negative', function() {
testSlideActive(0);
scope.$apply('interval = -1');
//no timeout to flush, interval watch doesn't make a new one when interval is invalid
testSlideActive(0);
scope.$apply('interval = 1000');
$timeout.flush();
testSlideActive(1);
scope.$apply('interval = false');
testSlideActive(1);
scope.$apply('interval = 1000');
$timeout.flush();
testSlideActive(2);
});
it('should bind the content to slides', function() {
var contents = elm.find('div.item');
expect(contents.length).toBe(3);
expect(contents.eq(0).text()).toBe('one');
expect(contents.eq(1).text()).toBe('two');
expect(contents.eq(2).text()).toBe('three');
scope.$apply(function() {
scope.slides[0].content = 'what';
scope.slides[1].content = 'no';
scope.slides[2].content = 'maybe';
});
expect(contents.eq(0).text()).toBe('what');
expect(contents.eq(1).text()).toBe('no');
expect(contents.eq(2).text()).toBe('maybe');
});
it('should be playing by default and cycle through slides', function() {
testSlideActive(0);
$timeout.flush();
testSlideActive(1);
$timeout.flush();
testSlideActive(2);
$timeout.flush();
testSlideActive(0);
});
it('should pause and play on mouseover', function() {
testSlideActive(0);
$timeout.flush();
testSlideActive(1);
elm.trigger('mouseenter');
expect($timeout.flush).toThrow();//pause should cancel current timeout
testSlideActive(1);
elm.trigger('mouseleave');
$timeout.flush();
testSlideActive(2);
});
it('should not pause on mouseover if noPause', function() {
scope.$apply('nopause = true');
testSlideActive(0);
elm.trigger('mouseenter');
$timeout.flush();
testSlideActive(1);
elm.trigger('mouseleave');
$timeout.flush();
testSlideActive(2);
});
it('should remove slide from dom and change active slide', function() {
scope.$apply('slides[2].active = true');
testSlideActive(2);
scope.$apply('slides.splice(0,1)');
expect(elm.find('div.item').length).toBe(2);
testSlideActive(1);
$timeout.flush();
testSlideActive(0);
scope.$apply('slides.splice(1,1)');
expect(elm.find('div.item').length).toBe(1);
testSlideActive(0);
});
it('should change dom when you reassign ng-repeat slides array', function() {
scope.slides=[{content:'new1'},{content:'new2'},{content:'new3'}];
scope.$apply();
var contents = elm.find('div.item');
expect(contents.length).toBe(3);
expect(contents.eq(0).text()).toBe('new1');
expect(contents.eq(1).text()).toBe('new2');
expect(contents.eq(2).text()).toBe('new3');
});
it('should not change if next is clicked while transitioning', function() {
var carouselScope = elm.children().scope();
var next = elm.find('a.right');
testSlideActive(0);
carouselScope.$currentTransition = true;
next.click();
testSlideActive(0);
carouselScope.$currentTransition = null;
next.click();
testSlideActive(1);
});
it('issue 1414 - should not continue running timers after scope is destroyed', function() {
testSlideActive(0);
$timeout.flush();
testSlideActive(1);
$timeout.flush();
testSlideActive(2);
$timeout.flush();
testSlideActive(0);
scope.$destroy();
expect($timeout.flush).toThrow('No deferred tasks to be flushed');
});
});
describe('controller', function() {
var scope, ctrl;
//create an array of slides and add to the scope
var slides = [{'content':1},{'content':2},{'content':3},{'content':4}];
beforeEach(function() {
scope = $rootScope.$new();
ctrl = $controller('CarouselController', {$scope: scope, $element: null});
for(var i = 0;i < slides.length;i++){
ctrl.addSlide(slides[i]);
}
});
describe('addSlide', function() {
it('should set first slide to active = true and the rest to false', function() {
angular.forEach(ctrl.slides, function(slide, i) {
if (i !== 0) {
expect(slide.active).not.toBe(true);
} else {
expect(slide.active).toBe(true);
}
});
});
it('should add new slide and change active to true if active is true on the added slide', function() {
var newSlide = {active: true};
expect(ctrl.slides.length).toBe(4);
ctrl.addSlide(newSlide);
expect(ctrl.slides.length).toBe(5);
expect(ctrl.slides[4].active).toBe(true);
expect(ctrl.slides[0].active).toBe(false);
});
it('should add a new slide and not change the active slide', function() {
var newSlide = {active: false};
expect(ctrl.slides.length).toBe(4);
ctrl.addSlide(newSlide);
expect(ctrl.slides.length).toBe(5);
expect(ctrl.slides[4].active).toBe(false);
expect(ctrl.slides[0].active).toBe(true);
});
it('should remove slide and change active slide if needed', function() {
expect(ctrl.slides.length).toBe(4);
ctrl.removeSlide(ctrl.slides[0]);
expect(ctrl.slides.length).toBe(3);
expect(ctrl.currentSlide).toBe(ctrl.slides[0]);
ctrl.select(ctrl.slides[2]);
ctrl.removeSlide(ctrl.slides[2]);
expect(ctrl.slides.length).toBe(2);
expect(ctrl.currentSlide).toBe(ctrl.slides[1]);
ctrl.removeSlide(ctrl.slides[0]);
expect(ctrl.slides.length).toBe(1);
expect(ctrl.currentSlide).toBe(ctrl.slides[0]);
});
it('issue 1414 - should not continue running timers after scope is destroyed', function() {
spyOn(scope, 'next').andCallThrough();
scope.interval = 2000;
scope.$digest();
$timeout.flush();
expect(scope.next.calls.length).toBe(1);
scope.$destroy();
$timeout.flush(scope.interval);
expect(scope.next.calls.length).toBe(1);
});
});
});
});