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-rw-r--r--js/src/carousel/carousel.js (renamed from js/src/carousel.js)18
-rw-r--r--js/src/carousel/carousel.spec.js1197
2 files changed, 1204 insertions, 11 deletions
diff --git a/js/src/carousel.js b/js/src/carousel/carousel.js
index 7cd790f85..0e1bad14a 100644
--- a/js/src/carousel.js
+++ b/js/src/carousel/carousel.js
@@ -16,11 +16,11 @@ import {
reflow,
triggerTransitionEnd,
typeCheckConfig
-} from './util/index'
-import Data from './dom/data'
-import EventHandler from './dom/event-handler'
-import Manipulator from './dom/manipulator'
-import SelectorEngine from './dom/selector-engine'
+} from '../util/index'
+import Data from '../dom/data'
+import EventHandler from '../dom/event-handler'
+import Manipulator from '../dom/manipulator'
+import SelectorEngine from '../dom/selector-engine'
/**
* ------------------------------------------------------------------------
@@ -283,16 +283,12 @@ class Carousel {
.on(this._element, Event.MOUSELEAVE, event => this.cycle(event))
}
- if (this._config.touch) {
+ if (this._config.touch && this._touchSupported) {
this._addTouchEventListeners()
}
}
_addTouchEventListeners() {
- if (!this._touchSupported) {
- return
- }
-
const start = event => {
if (this._pointerEvent && PointerType[event.pointerType.toUpperCase()]) {
this.touchStartX = event.clientX
@@ -631,7 +627,7 @@ EventHandler.on(window, Event.LOAD_DATA_API, () => {
* ------------------------------------------------------------------------
* add .carousel to jQuery only if jQuery is present
*/
-
+/* istanbul ignore if */
if (typeof $ !== 'undefined') {
const JQUERY_NO_CONFLICT = $.fn[NAME]
$.fn[NAME] = Carousel._jQueryInterface
diff --git a/js/src/carousel/carousel.spec.js b/js/src/carousel/carousel.spec.js
new file mode 100644
index 000000000..9f897110d
--- /dev/null
+++ b/js/src/carousel/carousel.spec.js
@@ -0,0 +1,1197 @@
+import Carousel from './carousel'
+import EventHandler from '../dom/event-handler'
+
+/** Test helpers */
+import { getFixture, clearFixture, createEvent, jQueryMock } from '../../tests/helpers/fixture'
+
+describe('Carousel', () => {
+ const { Simulator, PointerEvent, MSPointerEvent } = window
+ const originWinPointerEvent = PointerEvent || MSPointerEvent
+ const supportPointerEvent = Boolean(PointerEvent || MSPointerEvent)
+
+ window.MSPointerEvent = null
+ const cssStyleCarousel = '.carousel.pointer-event { -ms-touch-action: none; touch-action: none; }'
+
+ const stylesCarousel = document.createElement('style')
+ stylesCarousel.type = 'text/css'
+ stylesCarousel.appendChild(document.createTextNode(cssStyleCarousel))
+
+ const clearPointerEvents = () => {
+ window.PointerEvent = null
+ }
+
+ const restorePointerEvents = () => {
+ window.PointerEvent = originWinPointerEvent
+ }
+
+ let fixtureEl
+
+ beforeAll(() => {
+ fixtureEl = getFixture()
+ })
+
+ afterEach(() => {
+ clearFixture()
+ })
+
+ describe('VERSION', () => {
+ it('should return plugin version', () => {
+ expect(Carousel.VERSION).toEqual(jasmine.any(String))
+ })
+ })
+
+ describe('Default', () => {
+ it('should return plugin default config', () => {
+ expect(Carousel.Default).toEqual(jasmine.any(Object))
+ })
+ })
+
+ describe('constructor', () => {
+ it('should go to next item if right arrow key is pressed', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div id="item2" class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {
+ keyboard: true
+ })
+
+ spyOn(carousel, '_keydown').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item2'))
+ expect(carousel._keydown).toHaveBeenCalled()
+ done()
+ })
+
+ const keyDown = createEvent('keydown')
+ keyDown.which = 39
+
+ carouselEl.dispatchEvent(keyDown)
+ })
+
+ it('should go to previous item if left arrow key is pressed', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div id="item1" class="carousel-item">item 1</div>',
+ ' <div class="carousel-item active">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {
+ keyboard: true
+ })
+
+ spyOn(carousel, '_keydown').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item1'))
+ expect(carousel._keydown).toHaveBeenCalled()
+ done()
+ })
+
+ const keyDown = createEvent('keydown')
+ keyDown.which = 37
+
+ carouselEl.dispatchEvent(keyDown)
+ })
+
+ it('should not prevent keydown if key is not ARROW_LEFT or ARROW_RIGHT', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {
+ keyboard: true
+ })
+
+ spyOn(carousel, '_keydown').and.callThrough()
+
+ carouselEl.addEventListener('keydown', event => {
+ expect(carousel._keydown).toHaveBeenCalled()
+ expect(event.defaultPrevented).toEqual(false)
+ done()
+ })
+
+ const keyDown = createEvent('keydown')
+ keyDown.which = 40
+
+ carouselEl.dispatchEvent(keyDown)
+ })
+
+ it('should ignore keyboard events within <input>s and <textarea>s', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">',
+ ' <input type="text" />',
+ ' <textarea></textarea>',
+ ' </div>',
+ ' <div class="carousel-item"></div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const input = fixtureEl.querySelector('input')
+ const textarea = fixtureEl.querySelector('textarea')
+ const carousel = new Carousel(carouselEl, {
+ keyboard: true
+ })
+
+ const spyKeyDown = spyOn(carousel, '_keydown').and.callThrough()
+ const spyPrev = spyOn(carousel, 'prev')
+ const spyNext = spyOn(carousel, 'next')
+
+ const keyDown = createEvent('keydown', { bubbles: true, cancelable: true })
+ keyDown.which = 39
+ Object.defineProperty(keyDown, 'target', {
+ value: input,
+ writable: true,
+ configurable: true
+ })
+
+ input.dispatchEvent(keyDown)
+
+ expect(spyKeyDown).toHaveBeenCalled()
+ expect(spyPrev).not.toHaveBeenCalled()
+ expect(spyNext).not.toHaveBeenCalled()
+
+ spyKeyDown.calls.reset()
+ spyPrev.calls.reset()
+ spyNext.calls.reset()
+
+ Object.defineProperty(keyDown, 'target', {
+ value: textarea
+ })
+ textarea.dispatchEvent(keyDown)
+
+ expect(spyKeyDown).toHaveBeenCalled()
+ expect(spyPrev).not.toHaveBeenCalled()
+ expect(spyNext).not.toHaveBeenCalled()
+ })
+
+ it('should wrap around from end to start when wrap option is true', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div id="one" class="carousel-item active"></div>',
+ ' <div id="two" class="carousel-item"></div>',
+ ' <div id="three" class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, { wrap: true })
+ const getActiveId = () => {
+ return carouselEl.querySelector('.carousel-item.active').getAttribute('id')
+ }
+
+ carouselEl.addEventListener('slid.bs.carousel', e => {
+ const activeId = getActiveId()
+
+ if (activeId === 'two') {
+ carousel.next()
+ return
+ }
+
+ if (activeId === 'three') {
+ carousel.next()
+ return
+ }
+
+ if (activeId === 'one') {
+ // carousel wrapped around and slid from 3rd to 1st slide
+ expect(activeId).toEqual('one')
+ expect(e.from + 1).toEqual(3)
+ done()
+ }
+ })
+
+ carousel.next()
+ })
+
+ it('should stay at the start when the prev method is called and wrap is false', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div id="one" class="carousel-item active"></div>',
+ ' <div id="two" class="carousel-item"></div>',
+ ' <div id="three" class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const firstElement = fixtureEl.querySelector('#one')
+ const carousel = new Carousel(carouselEl, { wrap: false })
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ throw new Error('carousel slid when it should not have slid')
+ })
+
+ carousel.prev()
+
+ setTimeout(() => {
+ expect(firstElement.classList.contains('active')).toEqual(true)
+ done()
+ }, 10)
+ })
+
+ it('should not add touch event listeners if touch = false', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+
+ spyOn(Carousel.prototype, '_addTouchEventListeners')
+
+ const carousel = new Carousel(carouselEl, {
+ touch: false
+ })
+
+ expect(carousel._addTouchEventListeners).not.toHaveBeenCalled()
+ })
+
+ it('should not add touch event listeners if touch supported = false', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+
+ const carousel = new Carousel(carouselEl)
+
+ EventHandler.off(carouselEl, '.bs-carousel')
+ carousel._touchSupported = false
+
+ spyOn(carousel, '_addTouchEventListeners')
+
+ carousel._addEventListeners()
+
+ expect(carousel._addTouchEventListeners).not.toHaveBeenCalled()
+ })
+
+ it('should add touch event listeners by default', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+
+ spyOn(Carousel.prototype, '_addTouchEventListeners')
+
+ document.documentElement.ontouchstart = () => {}
+ const carousel = new Carousel(carouselEl)
+
+ expect(carousel._addTouchEventListeners).toHaveBeenCalled()
+ })
+
+ it('should allow swiperight and call prev with pointer events', done => {
+ if (!supportPointerEvent) {
+ expect().nothing()
+ done()
+ return
+ }
+
+ document.documentElement.ontouchstart = () => {}
+ document.head.appendChild(stylesCarousel)
+ Simulator.setType('pointer')
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel" data-interval="false">',
+ ' <div class="carousel-inner">',
+ ' <div id="item" class="carousel-item">',
+ ' <img alt="">',
+ ' </div>',
+ ' <div class="carousel-item active">',
+ ' <img alt="">',
+ ' </div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const item = fixtureEl.querySelector('#item')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'prev').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(item.classList.contains('active')).toEqual(true)
+ expect(carousel.prev).toHaveBeenCalled()
+ document.head.removeChild(stylesCarousel)
+ delete document.documentElement.ontouchstart
+ done()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ deltaX: 300,
+ deltaY: 0
+ })
+ })
+
+ it('should allow swipeleft and call next with pointer events', done => {
+ if (!supportPointerEvent) {
+ expect().nothing()
+ done()
+ return
+ }
+
+ document.documentElement.ontouchstart = () => {}
+ document.head.appendChild(stylesCarousel)
+ Simulator.setType('pointer')
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel" data-interval="false">',
+ ' <div class="carousel-inner">',
+ ' <div id="item" class="carousel-item active">',
+ ' <img alt="">',
+ ' </div>',
+ ' <div class="carousel-item">',
+ ' <img alt="">',
+ ' </div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const item = fixtureEl.querySelector('#item')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'next').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(item.classList.contains('active')).toEqual(false)
+ expect(carousel.next).toHaveBeenCalled()
+ document.head.removeChild(stylesCarousel)
+ delete document.documentElement.ontouchstart
+ done()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ pos: [300, 10],
+ deltaX: -300,
+ deltaY: 0
+ })
+ })
+
+ it('should allow swiperight and call prev with touch events', done => {
+ Simulator.setType('touch')
+ clearPointerEvents()
+ document.documentElement.ontouchstart = () => {}
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel" data-interval="false">',
+ ' <div class="carousel-inner">',
+ ' <div id="item" class="carousel-item">',
+ ' <img alt="">',
+ ' </div>',
+ ' <div class="carousel-item active">',
+ ' <img alt="">',
+ ' </div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const item = fixtureEl.querySelector('#item')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'prev').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(item.classList.contains('active')).toEqual(true)
+ expect(carousel.prev).toHaveBeenCalled()
+ delete document.documentElement.ontouchstart
+ restorePointerEvents()
+ done()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ deltaX: 300,
+ deltaY: 0
+ })
+ })
+
+ it('should allow swipeleft and call next with touch events', done => {
+ Simulator.setType('touch')
+ clearPointerEvents()
+ document.documentElement.ontouchstart = () => {}
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel" data-interval="false">',
+ ' <div class="carousel-inner">',
+ ' <div id="item" class="carousel-item active">',
+ ' <img alt="">',
+ ' </div>',
+ ' <div class="carousel-item">',
+ ' <img alt="">',
+ ' </div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const item = fixtureEl.querySelector('#item')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'next').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(item.classList.contains('active')).toEqual(false)
+ expect(carousel.next).toHaveBeenCalled()
+ delete document.documentElement.ontouchstart
+ restorePointerEvents()
+ done()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ pos: [300, 10],
+ deltaX: -300,
+ deltaY: 0
+ })
+ })
+
+ it('should not allow pinch with touch events', done => {
+ Simulator.setType('touch')
+ clearPointerEvents()
+ document.documentElement.ontouchstart = () => {}
+
+ fixtureEl.innerHTML = '<div class="carousel" data-interval="false"></div>'
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const carousel = new Carousel(carouselEl)
+
+ Simulator.gestures.swipe(carouselEl, {
+ pos: [300, 10],
+ deltaX: -300,
+ deltaY: 0,
+ touches: 2
+ }, () => {
+ restorePointerEvents()
+ delete document.documentElement.ontouchstart
+ expect(carousel.touchDeltaX).toEqual(0)
+ done()
+ })
+ })
+
+ it('should call pause method on mouse over with pause equal to hover', done => {
+ fixtureEl.innerHTML = '<div class="carousel"></div>'
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'pause')
+
+ const mouseOverEvent = createEvent('mouseover')
+ carouselEl.dispatchEvent(mouseOverEvent)
+
+ setTimeout(() => {
+ expect(carousel.pause).toHaveBeenCalled()
+ done()
+ }, 10)
+ })
+
+ it('should call cycle on mouse out with pause equal to hover', done => {
+ fixtureEl.innerHTML = '<div class="carousel"></div>'
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'cycle')
+
+ const mouseOutEvent = createEvent('mouseout')
+ carouselEl.dispatchEvent(mouseOutEvent)
+
+ setTimeout(() => {
+ expect(carousel.cycle).toHaveBeenCalled()
+ done()
+ }, 10)
+ })
+ })
+
+ describe('next', () => {
+ it('should not slide if the carousel is sliding', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+
+ spyOn(carousel, '_slide')
+
+ carousel._isSliding = true
+ carousel.next()
+
+ expect(carousel._slide).not.toHaveBeenCalled()
+ })
+
+ it('should not fire slid when slide is prevented', done => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+ let slidEvent = false
+
+ const doneTest = () => {
+ setTimeout(() => {
+ expect(slidEvent).toEqual(false)
+ done()
+ }, 20)
+ }
+
+ carouselEl.addEventListener('slide.bs.carousel', e => {
+ e.preventDefault()
+ doneTest()
+ })
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ slidEvent = true
+ })
+
+ carousel.next()
+ })
+
+ it('should fire slide event with: direction, relatedTarget, from and to', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {})
+
+ const onSlide = e => {
+ expect(e.direction).toEqual('left')
+ expect(e.relatedTarget.classList.contains('carousel-item')).toEqual(true)
+ expect(e.from).toEqual(0)
+ expect(e.to).toEqual(1)
+
+ carouselEl.removeEventListener('slide.bs.carousel', onSlide)
+ carouselEl.addEventListener('slide.bs.carousel', onSlide2)
+
+ carousel.prev()
+ }
+
+ const onSlide2 = e => {
+ expect(e.direction).toEqual('right')
+ done()
+ }
+
+ carouselEl.addEventListener('slide.bs.carousel', onSlide)
+ carousel.next()
+ })
+
+ it('should fire slid event with: direction, relatedTarget, from and to', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {})
+
+ const onSlid = e => {
+ expect(e.direction).toEqual('left')
+ expect(e.relatedTarget.classList.contains('carousel-item')).toEqual(true)
+ expect(e.from).toEqual(0)
+ expect(e.to).toEqual(1)
+
+ carouselEl.removeEventListener('slid.bs.carousel', onSlid)
+ carouselEl.addEventListener('slid.bs.carousel', onSlid2)
+
+ carousel.prev()
+ }
+
+ const onSlid2 = e => {
+ expect(e.direction).toEqual('right')
+ done()
+ }
+
+ carouselEl.addEventListener('slid.bs.carousel', onSlid)
+ carousel.next()
+ })
+
+ it('should get interval from data attribute in individual item', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item" data-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {
+ interval: 1814
+ })
+
+ expect(carousel._config.interval).toEqual(1814)
+
+ carousel.next()
+
+ expect(carousel._config.interval).toEqual(7)
+ })
+
+ it('should update indicators if present', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <ol class="carousel-indicators">',
+ ' <li data-target="#myCarousel" data-slide-to="0" class="active"></li>',
+ ' <li id="secondIndicator" data-target="#myCarousel" data-slide-to="1"></li>',
+ ' <li data-target="#myCarousel" data-slide-to="2"></li>',
+ ' </ol>',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item" data-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const secondIndicator = fixtureEl.querySelector('#secondIndicator')
+ const carousel = new Carousel(carouselEl)
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(secondIndicator.classList.contains('active')).toEqual(true)
+ done()
+ })
+
+ carousel.next()
+ })
+ })
+
+ describe('nextWhenVisible', () => {
+ it('should not call next when the page is not visible', () => {
+ fixtureEl.innerHTML = '<div class="carousel" data-interval="false"></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'next')
+
+ carousel.nextWhenVisible()
+
+ expect(carousel.next).not.toHaveBeenCalled()
+ })
+ })
+
+ describe('prev', () => {
+ it('should not slide if the carousel is sliding', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+
+ spyOn(carousel, '_slide')
+
+ carousel._isSliding = true
+ carousel.prev()
+
+ expect(carousel._slide).not.toHaveBeenCalled()
+ })
+ })
+
+ describe('pause', () => {
+ it('should call cycle if the carousel have carousel-item-next and carousel-item-prev class', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item carousel-item-next">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev"></div>',
+ ' <div class="carousel-control-next"></div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'cycle')
+ spyOn(window, 'clearInterval')
+
+ carousel.pause()
+
+ expect(carousel.cycle).toHaveBeenCalledWith(true)
+ expect(window.clearInterval).toHaveBeenCalled()
+ expect(carousel._isPaused).toEqual(true)
+ })
+
+ it('should not call cycle if nothing is in transition', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev"></div>',
+ ' <div class="carousel-control-next"></div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(carousel, 'cycle')
+ spyOn(window, 'clearInterval')
+
+ carousel.pause()
+
+ expect(carousel.cycle).not.toHaveBeenCalled()
+ expect(window.clearInterval).toHaveBeenCalled()
+ expect(carousel._isPaused).toEqual(true)
+ })
+
+ it('should not set is paused at true if an event is passed', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev"></div>',
+ ' <div class="carousel-control-next"></div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+ const event = createEvent('mouseenter')
+
+ spyOn(window, 'clearInterval')
+
+ carousel.pause(event)
+
+ expect(window.clearInterval).toHaveBeenCalled()
+ expect(carousel._isPaused).toEqual(false)
+ })
+ })
+
+ describe('cycle', () => {
+ it('should set an interval', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev"></div>',
+ ' <div class="carousel-control-next"></div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(window, 'setInterval').and.callThrough()
+
+ carousel.cycle()
+
+ expect(window.setInterval).toHaveBeenCalled()
+ })
+
+ it('should not set interval if the carousel is paused', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev"></div>',
+ ' <div class="carousel-control-next"></div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(window, 'setInterval').and.callThrough()
+
+ carousel._isPaused = true
+ carousel.cycle(true)
+
+ expect(window.setInterval).not.toHaveBeenCalled()
+ })
+
+ it('should clear interval if there is one', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev"></div>',
+ ' <div class="carousel-control-next"></div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+
+ carousel._interval = setInterval(() => {}, 10)
+
+ spyOn(window, 'setInterval').and.callThrough()
+ spyOn(window, 'clearInterval').and.callThrough()
+
+ carousel.cycle()
+
+ expect(window.setInterval).toHaveBeenCalled()
+ expect(window.clearInterval).toHaveBeenCalled()
+ })
+ })
+
+ describe('to', () => {
+ it('should go directement to the provided index', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div id="item1" class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div id="item3" class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {})
+
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item1'))
+
+ carousel.to(2)
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item3'))
+ done()
+ })
+ })
+
+ it('should return to a previous slide if the provided index is lower than the current', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item">item 1</div>',
+ ' <div id="item2" class="carousel-item">item 2</div>',
+ ' <div id="item3" class="carousel-item active">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {})
+
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item3'))
+
+ carousel.to(1)
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item2'))
+ done()
+ })
+ })
+
+ it('should do nothing if a wrong index is provided', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item" data-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {})
+
+ const spy = spyOn(carousel, '_slide')
+
+ carousel.to(25)
+
+ expect(spy).not.toHaveBeenCalled()
+
+ spy.calls.reset()
+
+ carousel.to(-5)
+
+ expect(spy).not.toHaveBeenCalled()
+ })
+
+ it('should call pause and cycle is the provided is the same compare to the current one', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item" data-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {})
+
+ spyOn(carousel, '_slide')
+ spyOn(carousel, 'pause')
+ spyOn(carousel, 'cycle')
+
+ carousel.to(0)
+
+ expect(carousel._slide).not.toHaveBeenCalled()
+ expect(carousel.pause).toHaveBeenCalled()
+ expect(carousel.cycle).toHaveBeenCalled()
+ })
+
+ it('should wait before performing to if a slide is sliding', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item" data-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl, {})
+
+ spyOn(EventHandler, 'one').and.callThrough()
+ spyOn(carousel, '_slide')
+
+ carousel._isSliding = true
+ carousel.to(1)
+
+ expect(carousel._slide).not.toHaveBeenCalled()
+ expect(EventHandler.one).toHaveBeenCalled()
+
+ spyOn(carousel, 'to')
+
+ EventHandler.trigger(carouselEl, 'slid.bs.carousel')
+
+ setTimeout(() => {
+ expect(carousel.to).toHaveBeenCalledWith(1)
+ done()
+ })
+ })
+ })
+
+ describe('dispose', () => {
+ it('should destroy a carousel', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item" data-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+
+ spyOn(EventHandler, 'off').and.callThrough()
+
+ carousel.dispose()
+
+ expect(EventHandler.off).toHaveBeenCalled()
+ })
+ })
+
+ describe('_jQueryInterface', () => {
+ it('should create a carousel', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+
+ jQueryMock.fn.carousel = Carousel._jQueryInterface
+ jQueryMock.elements = [div]
+
+ jQueryMock.fn.carousel.call(jQueryMock)
+
+ expect(Carousel._getInstance(div)).toBeDefined()
+ })
+
+ it('should not re create a carousel', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+ const carousel = new Carousel(div)
+
+ jQueryMock.fn.carousel = Carousel._jQueryInterface
+ jQueryMock.elements = [div]
+
+ jQueryMock.fn.carousel.call(jQueryMock)
+
+ expect(Carousel._getInstance(div)).toEqual(carousel)
+ })
+
+ it('should call to if the config is a number', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+ const carousel = new Carousel(div)
+ const slideTo = 2
+
+ spyOn(carousel, 'to')
+
+ jQueryMock.fn.carousel = Carousel._jQueryInterface
+ jQueryMock.elements = [div]
+
+ jQueryMock.fn.carousel.call(jQueryMock, slideTo)
+
+ expect(carousel.to).toHaveBeenCalledWith(slideTo)
+ })
+
+ it('should throw error on undefined method', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+ const action = 'undefinedMethod'
+
+ jQueryMock.fn.carousel = Carousel._jQueryInterface
+ jQueryMock.elements = [div]
+
+ try {
+ jQueryMock.fn.carousel.call(jQueryMock, action)
+ } catch (error) {
+ expect(error.message).toEqual(`No method named "${action}"`)
+ }
+ })
+ })
+
+ describe('data-api', () => {
+ it('should init carousels with data-ride="carousel" on load', () => {
+ fixtureEl.innerHTML = '<div data-ride="carousel"></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const loadEvent = createEvent('load')
+
+ window.dispatchEvent(loadEvent)
+
+ expect(Carousel._getInstance(carouselEl)).toBeDefined()
+ })
+
+ it('should create carousel and go to the next slide on click', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div id="item2" class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev" data-target="#myCarousel" role="button" data-slide="prev"></div>',
+ ' <div id="next" class="carousel-control-next" data-target="#myCarousel" role="button" data-slide="next"></div>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+ const item2 = fixtureEl.querySelector('#item2')
+
+ next.click()
+
+ setTimeout(() => {
+ expect(item2.classList.contains('active')).toEqual(true)
+ done()
+ }, 10)
+ })
+
+ it('should create carousel and go to the next slide on click with data-slide-to', done => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div id="item2" class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div id="next" data-target="#myCarousel" data-slide-to="1"></div>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+ const item2 = fixtureEl.querySelector('#item2')
+
+ next.click()
+
+ setTimeout(() => {
+ expect(item2.classList.contains('active')).toEqual(true)
+ done()
+ }, 10)
+ })
+
+ it('should do nothing if no selector on click on arrows', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev" data-target="#myCarousel" role="button" data-slide="prev"></div>',
+ ' <div id="next" class="carousel-control-next" role="button" data-slide="next"></div>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+
+ next.click()
+
+ expect().nothing()
+ })
+
+ it('should do nothing if no carousel class on click on arrows', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div id="item2" class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ ' <div class="carousel-control-prev" data-target="#myCarousel" role="button" data-slide="prev"></div>',
+ ' <div id="next" class="carousel-control-next" data-target="#myCarousel" role="button" data-slide="next"></div>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+
+ next.click()
+
+ expect().nothing()
+ })
+ })
+})
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-06 07:52:11 +0000