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+import Carousel from '../../src/carousel'
+import EventHandler from '../../src/dom/event-handler'
+import { clearFixture, createEvent, getFixture, jQueryMock } from '../helpers/fixture'
+import { isRTL, noop } from '../../src/util/index'
+import Swipe from '../../src/util/swipe'
+
+describe('Carousel', () => {
+ const { Simulator, PointerEvent } = window
+ const originWinPointerEvent = PointerEvent
+ const supportPointerEvent = Boolean(PointerEvent)
+
+ const cssStyleCarousel = '.carousel.pointer-event { touch-action: none; }'
+
+ const stylesCarousel = document.createElement('style')
+ stylesCarousel.type = 'text/css'
+ stylesCarousel.append(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('DATA_KEY', () => {
+ it('should return plugin data key', () => {
+ expect(Carousel.DATA_KEY).toEqual('bs.carousel')
+ })
+ })
+
+ describe('constructor', () => {
+ it('should take care of element either passed as a CSS selector or DOM element', () => {
+ fixtureEl.innerHTML = '<div id="myCarousel" class="carousel slide"></div>'
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carouselBySelector = new Carousel('#myCarousel')
+ const carouselByElement = new Carousel(carouselEl)
+
+ expect(carouselBySelector._element).toEqual(carouselEl)
+ expect(carouselByElement._element).toEqual(carouselEl)
+ })
+
+ it('should start cycling if `ride`===`carousel`', () => {
+ fixtureEl.innerHTML = '<div id="myCarousel" class="carousel slide" data-bs-ride="carousel"></div>'
+
+ const carousel = new Carousel('#myCarousel')
+ expect(carousel._interval).not.toBeNull()
+ })
+
+ it('should not start cycling if `ride`!==`carousel`', () => {
+ fixtureEl.innerHTML = '<div id="myCarousel" class="carousel slide" data-bs-ride="true"></div>'
+
+ const carousel = new Carousel('#myCarousel')
+ expect(carousel._interval).toBeNull()
+ })
+
+ it('should go to next item if right arrow key is pressed', () => {
+ return new Promise(resolve => {
+ 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
+ })
+
+ const spy = spyOn(carousel, '_keydown').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item2'))
+ expect(spy).toHaveBeenCalled()
+ resolve()
+ })
+
+ const keydown = createEvent('keydown')
+ keydown.key = 'ArrowRight'
+
+ carouselEl.dispatchEvent(keydown)
+ })
+ })
+
+ it('should ignore keyboard events if data-bs-keyboard=false', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide" data-bs-keyboard="false">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div id="item2" class="carousel-item">item 2</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const spy = spyOn(EventHandler, 'trigger').and.callThrough()
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ // eslint-disable-next-line no-new
+ new Carousel('#myCarousel')
+ expect(spy).not.toHaveBeenCalledWith(carouselEl, 'keydown.bs.carousel', jasmine.any(Function))
+ })
+
+ it('should ignore mouse events if data-bs-pause=false', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide" data-bs-pause="false">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div id="item2" class="carousel-item">item 2</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const spy = spyOn(EventHandler, 'trigger').and.callThrough()
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ // eslint-disable-next-line no-new
+ new Carousel('#myCarousel')
+ expect(spy).not.toHaveBeenCalledWith(carouselEl, 'hover.bs.carousel', jasmine.any(Function))
+ })
+
+ it('should go to previous item if left arrow key is pressed', () => {
+ return new Promise(resolve => {
+ 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
+ })
+
+ const spy = spyOn(carousel, '_keydown').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(fixtureEl.querySelector('.active')).toEqual(fixtureEl.querySelector('#item1'))
+ expect(spy).toHaveBeenCalled()
+ resolve()
+ })
+
+ const keydown = createEvent('keydown')
+ keydown.key = 'ArrowLeft'
+
+ carouselEl.dispatchEvent(keydown)
+ })
+ })
+
+ it('should not prevent keydown if key is not ARROW_LEFT or ARROW_RIGHT', () => {
+ return new Promise(resolve => {
+ 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
+ })
+
+ const spy = spyOn(carousel, '_keydown').and.callThrough()
+
+ carouselEl.addEventListener('keydown', event => {
+ expect(spy).toHaveBeenCalled()
+ expect(event.defaultPrevented).toBeFalse()
+ resolve()
+ })
+
+ const keydown = createEvent('keydown')
+ keydown.key = 'ArrowDown'
+
+ 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 spySlide = spyOn(carousel, '_slide')
+
+ const keydown = createEvent('keydown', { bubbles: true, cancelable: true })
+ keydown.key = 'ArrowRight'
+ Object.defineProperty(keydown, 'target', {
+ value: input,
+ writable: true,
+ configurable: true
+ })
+
+ input.dispatchEvent(keydown)
+
+ expect(spyKeydown).toHaveBeenCalled()
+ expect(spySlide).not.toHaveBeenCalled()
+
+ spyKeydown.calls.reset()
+ spySlide.calls.reset()
+
+ Object.defineProperty(keydown, 'target', {
+ value: textarea
+ })
+ textarea.dispatchEvent(keydown)
+
+ expect(spyKeydown).toHaveBeenCalled()
+ expect(spySlide).not.toHaveBeenCalled()
+ })
+
+ it('should not slide if arrow key is pressed and carousel is sliding', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+
+ const spy = spyOn(EventHandler, 'trigger')
+
+ carousel._isSliding = true
+
+ for (const key of ['ArrowLeft', 'ArrowRight']) {
+ const keydown = createEvent('keydown')
+ keydown.key = key
+
+ carouselEl.dispatchEvent(keydown)
+ }
+
+ expect(spy).not.toHaveBeenCalled()
+ })
+
+ it('should wrap around from end to start when wrap option is true', () => {
+ return new Promise(resolve => {
+ 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 = () => carouselEl.querySelector('.carousel-item.active').getAttribute('id')
+
+ carouselEl.addEventListener('slid.bs.carousel', event => {
+ 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(event.from + 1).toEqual(3)
+ resolve()
+ }
+ })
+
+ carousel.next()
+ })
+ })
+
+ it('should stay at the start when the prev method is called and wrap is false', () => {
+ return new Promise((resolve, reject) => {
+ 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', () => {
+ reject(new Error('carousel slid when it should not have slid'))
+ })
+
+ carousel.prev()
+
+ setTimeout(() => {
+ expect(firstElement).toHaveClass('active')
+ resolve()
+ }, 10)
+ })
+ })
+
+ it('should not add touch event listeners if touch = false', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+
+ const spy = spyOn(Carousel.prototype, '_addTouchEventListeners')
+
+ const carousel = new Carousel(carouselEl, {
+ touch: false
+ })
+
+ expect(spy).not.toHaveBeenCalled()
+ expect(carousel._swipeHelper).toBeNull()
+ })
+
+ it('should not add touch event listeners if touch supported = false', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ spyOn(Swipe, 'isSupported').and.returnValue(false)
+
+ const carousel = new Carousel(carouselEl)
+ EventHandler.off(carouselEl, Carousel.EVENT_KEY)
+
+ const spy = spyOn(carousel, '_addTouchEventListeners')
+
+ carousel._addEventListeners()
+
+ expect(spy).not.toHaveBeenCalled()
+ expect(carousel._swipeHelper).toBeNull()
+ })
+
+ it('should add touch event listeners by default', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+
+ spyOn(Carousel.prototype, '_addTouchEventListeners')
+
+ // Headless browser does not support touch events, so need to fake it
+ // to test that touch events are add properly.
+ document.documentElement.ontouchstart = noop
+ const carousel = new Carousel(carouselEl)
+
+ expect(carousel._addTouchEventListeners).toHaveBeenCalled()
+ })
+
+ it('should allow swiperight and call _slide (prev) with pointer events', () => {
+ return new Promise(resolve => {
+ if (!supportPointerEvent) {
+ expect().nothing()
+ resolve()
+ return
+ }
+
+ document.documentElement.ontouchstart = noop
+ document.head.append(stylesCarousel)
+ Simulator.setType('pointer')
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel">',
+ ' <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)
+
+ const spy = spyOn(carousel, '_slide').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', event => {
+ expect(item).toHaveClass('active')
+ expect(spy).toHaveBeenCalledWith('prev')
+ expect(event.direction).toEqual('right')
+ stylesCarousel.remove()
+ delete document.documentElement.ontouchstart
+ resolve()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ deltaX: 300,
+ deltaY: 0
+ })
+ })
+ })
+
+ it('should allow swipeleft and call next with pointer events', () => {
+ return new Promise(resolve => {
+ if (!supportPointerEvent) {
+ expect().nothing()
+ resolve()
+ return
+ }
+
+ document.documentElement.ontouchstart = noop
+ document.head.append(stylesCarousel)
+ Simulator.setType('pointer')
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel">',
+ ' <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)
+
+ const spy = spyOn(carousel, '_slide').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', event => {
+ expect(item).not.toHaveClass('active')
+ expect(spy).toHaveBeenCalledWith('next')
+ expect(event.direction).toEqual('left')
+ stylesCarousel.remove()
+ delete document.documentElement.ontouchstart
+ resolve()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ pos: [300, 10],
+ deltaX: -300,
+ deltaY: 0
+ })
+ })
+ })
+
+ it('should allow swiperight and call _slide (prev) with touch events', () => {
+ return new Promise(resolve => {
+ Simulator.setType('touch')
+ clearPointerEvents()
+ document.documentElement.ontouchstart = noop
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel">',
+ ' <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)
+
+ const spy = spyOn(carousel, '_slide').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', event => {
+ expect(item).toHaveClass('active')
+ expect(spy).toHaveBeenCalledWith('prev')
+ expect(event.direction).toEqual('right')
+ delete document.documentElement.ontouchstart
+ restorePointerEvents()
+ resolve()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ deltaX: 300,
+ deltaY: 0
+ })
+ })
+ })
+
+ it('should allow swipeleft and call _slide (next) with touch events', () => {
+ return new Promise(resolve => {
+ Simulator.setType('touch')
+ clearPointerEvents()
+ document.documentElement.ontouchstart = noop
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel">',
+ ' <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)
+
+ const spy = spyOn(carousel, '_slide').and.callThrough()
+
+ carouselEl.addEventListener('slid.bs.carousel', event => {
+ expect(item).not.toHaveClass('active')
+ expect(spy).toHaveBeenCalledWith('next')
+ expect(event.direction).toEqual('left')
+ delete document.documentElement.ontouchstart
+ restorePointerEvents()
+ resolve()
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ pos: [300, 10],
+ deltaX: -300,
+ deltaY: 0
+ })
+ })
+ })
+
+ it('should not slide when swiping and carousel is sliding', () => {
+ return new Promise(resolve => {
+ Simulator.setType('touch')
+ clearPointerEvents()
+ document.documentElement.ontouchstart = noop
+
+ fixtureEl.innerHTML = [
+ '<div class="carousel">',
+ ' <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 carousel = new Carousel(carouselEl)
+ carousel._isSliding = true
+
+ const spy = spyOn(EventHandler, 'trigger')
+
+ Simulator.gestures.swipe(carouselEl, {
+ deltaX: 300,
+ deltaY: 0
+ })
+
+ Simulator.gestures.swipe(carouselEl, {
+ pos: [300, 10],
+ deltaX: -300,
+ deltaY: 0
+ })
+
+ setTimeout(() => {
+ expect(spy).not.toHaveBeenCalled()
+ delete document.documentElement.ontouchstart
+ restorePointerEvents()
+ resolve()
+ }, 300)
+ })
+ })
+
+ it('should not allow pinch with touch events', () => {
+ return new Promise(resolve => {
+ Simulator.setType('touch')
+ clearPointerEvents()
+ document.documentElement.ontouchstart = noop
+
+ fixtureEl.innerHTML = '<div class="carousel"></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._swipeHelper._deltaX).toEqual(0)
+ resolve()
+ })
+ })
+ })
+
+ it('should call pause method on mouse over with pause equal to hover', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = '<div class="carousel"></div>'
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const carousel = new Carousel(carouselEl)
+
+ const spy = spyOn(carousel, 'pause')
+
+ const mouseOverEvent = createEvent('mouseover')
+ carouselEl.dispatchEvent(mouseOverEvent)
+
+ setTimeout(() => {
+ expect(spy).toHaveBeenCalled()
+ resolve()
+ }, 10)
+ })
+ })
+
+ it('should call `maybeEnableCycle` on mouse out with pause equal to hover', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = '<div class="carousel" data-bs-ride="true"></div>'
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const carousel = new Carousel(carouselEl)
+
+ const spyEnable = spyOn(carousel, '_maybeEnableCycle').and.callThrough()
+ const spyCycle = spyOn(carousel, 'cycle')
+
+ const mouseOutEvent = createEvent('mouseout')
+ carouselEl.dispatchEvent(mouseOutEvent)
+
+ setTimeout(() => {
+ expect(spyEnable).toHaveBeenCalled()
+ expect(spyCycle).toHaveBeenCalled()
+ resolve()
+ }, 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, {})
+
+ const spy = spyOn(EventHandler, 'trigger')
+
+ carousel._isSliding = true
+ carousel.next()
+
+ expect(spy).not.toHaveBeenCalled()
+ })
+
+ it('should not fire slid when slide is prevented', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+ let slidEvent = false
+
+ const doneTest = () => {
+ setTimeout(() => {
+ expect(slidEvent).toBeFalse()
+ resolve()
+ }, 20)
+ }
+
+ carouselEl.addEventListener('slide.bs.carousel', event => {
+ event.preventDefault()
+ doneTest()
+ })
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ slidEvent = true
+ })
+
+ carousel.next()
+ })
+ })
+
+ it('should fire slide event with: direction, relatedTarget, from and to', () => {
+ return new Promise(resolve => {
+ 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 = event => {
+ expect(event.direction).toEqual('left')
+ expect(event.relatedTarget).toHaveClass('carousel-item')
+ expect(event.from).toEqual(0)
+ expect(event.to).toEqual(1)
+
+ carouselEl.removeEventListener('slide.bs.carousel', onSlide)
+ carouselEl.addEventListener('slide.bs.carousel', onSlide2)
+
+ carousel.prev()
+ }
+
+ const onSlide2 = event => {
+ expect(event.direction).toEqual('right')
+ resolve()
+ }
+
+ carouselEl.addEventListener('slide.bs.carousel', onSlide)
+ carousel.next()
+ })
+ })
+
+ it('should fire slid event with: direction, relatedTarget, from and to', () => {
+ return new Promise(resolve => {
+ 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 = event => {
+ expect(event.direction).toEqual('left')
+ expect(event.relatedTarget).toHaveClass('carousel-item')
+ expect(event.from).toEqual(0)
+ expect(event.to).toEqual(1)
+
+ carouselEl.removeEventListener('slid.bs.carousel', onSlid)
+ carouselEl.addEventListener('slid.bs.carousel', onSlid2)
+
+ carousel.prev()
+ }
+
+ const onSlid2 = event => {
+ expect(event.direction).toEqual('right')
+ resolve()
+ }
+
+ carouselEl.addEventListener('slid.bs.carousel', onSlid)
+ carousel.next()
+ })
+ })
+
+ it('should update the active element to the next item before sliding', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div id="secondItem" class="carousel-item">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const secondItemEl = fixtureEl.querySelector('#secondItem')
+ const carousel = new Carousel(carouselEl)
+
+ carousel.next()
+
+ expect(carousel._activeElement).toEqual(secondItemEl)
+ })
+
+ it('should continue cycling if it was already', () => {
+ 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>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const carousel = new Carousel(carouselEl)
+ const spy = spyOn(carousel, 'cycle')
+
+ carousel.next()
+ expect(spy).not.toHaveBeenCalled()
+
+ carousel.cycle()
+ carousel.next()
+ expect(spy).toHaveBeenCalledTimes(1)
+ })
+
+ it('should update indicators if present', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-indicators">',
+ ' <button type="button" id="firstIndicator" data-bs-target="myCarousel" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>',
+ ' <button type="button" id="secondIndicator" data-bs-target="myCarousel" data-bs-slide-to="1" aria-label="Slide 2"></button>',
+ ' <button type="button" data-bs-target="myCarousel" data-bs-slide-to="2" aria-label="Slide 3"></button>',
+ ' </div>',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active">item 1</div>',
+ ' <div class="carousel-item" data-bs-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const firstIndicator = fixtureEl.querySelector('#firstIndicator')
+ const secondIndicator = fixtureEl.querySelector('#secondIndicator')
+ const carousel = new Carousel(carouselEl)
+
+ carouselEl.addEventListener('slid.bs.carousel', () => {
+ expect(firstIndicator).not.toHaveClass('active')
+ expect(firstIndicator.hasAttribute('aria-current')).toBeFalse()
+ expect(secondIndicator).toHaveClass('active')
+ expect(secondIndicator.getAttribute('aria-current')).toEqual('true')
+ resolve()
+ })
+
+ carousel.next()
+ })
+ })
+
+ it('should call next()/prev() instance methods when clicking the respective direction buttons', () => {
+ fixtureEl.innerHTML = [
+ '<div id="carousel" 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>',
+ ' <button class="carousel-control-prev" type="button" data-bs-target="#carousel" data-bs-slide="prev"></button>',
+ ' <button class="carousel-control-next" type="button" data-bs-target="#carousel" data-bs-slide="next"></button>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#carousel')
+ const prevBtnEl = fixtureEl.querySelector('.carousel-control-prev')
+ const nextBtnEl = fixtureEl.querySelector('.carousel-control-next')
+
+ const carousel = new Carousel(carouselEl)
+ const nextSpy = spyOn(carousel, 'next')
+ const prevSpy = spyOn(carousel, 'prev')
+ const spyEnable = spyOn(carousel, '_maybeEnableCycle')
+
+ nextBtnEl.click()
+ prevBtnEl.click()
+
+ expect(nextSpy).toHaveBeenCalled()
+ expect(prevSpy).toHaveBeenCalled()
+ expect(spyEnable).toHaveBeenCalled()
+ })
+ })
+
+ describe('nextWhenVisible', () => {
+ it('should not call next when the page is not visible', () => {
+ fixtureEl.innerHTML = [
+ '<div style="display: none;">',
+ ' <div class="carousel"></div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('.carousel')
+ const carousel = new Carousel(carouselEl)
+
+ const spy = spyOn(carousel, 'next')
+
+ carousel.nextWhenVisible()
+
+ expect(spy).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, {})
+
+ const spy = spyOn(EventHandler, 'trigger')
+
+ carousel._isSliding = true
+ carousel.prev()
+
+ expect(spy).not.toHaveBeenCalled()
+ })
+ })
+
+ describe('pause', () => {
+ it('should trigger transitionend if the carousel have carousel-item-next or carousel-item-prev class, cause is sliding', () => {
+ return new Promise(resolve => {
+ 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)
+ const spy = spyOn(carousel, '_clearInterval')
+
+ carouselEl.addEventListener('transitionend', () => {
+ expect(spy).toHaveBeenCalled()
+ resolve()
+ })
+
+ carousel._slide('next')
+ carousel.pause()
+ })
+ })
+ })
+
+ 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)
+
+ const spy = spyOn(window, 'setInterval').and.callThrough()
+
+ carousel.cycle()
+
+ expect(spy).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(noop, 10)
+
+ const spySet = spyOn(window, 'setInterval').and.callThrough()
+ const spyClear = spyOn(window, 'clearInterval').and.callThrough()
+
+ carousel.cycle()
+
+ expect(spySet).toHaveBeenCalled()
+ expect(spyClear).toHaveBeenCalled()
+ })
+
+ it('should get interval from data attribute on the active item element', () => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide">',
+ ' <div class="carousel-inner">',
+ ' <div class="carousel-item active" data-bs-interval="7">item 1</div>',
+ ' <div id="secondItem" class="carousel-item" data-bs-interval="9385">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const secondItemEl = fixtureEl.querySelector('#secondItem')
+ const carousel = new Carousel(carouselEl, {
+ interval: 1814
+ })
+
+ expect(carousel._config.interval).toEqual(1814)
+
+ carousel.cycle()
+
+ expect(carousel._config.interval).toEqual(7)
+
+ carousel._activeElement = secondItemEl
+ carousel.cycle()
+
+ expect(carousel._config.interval).toEqual(9385)
+ })
+ })
+
+ describe('to', () => {
+ it('should go directly to the provided index', () => {
+ return new Promise(resolve => {
+ 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'))
+ resolve()
+ })
+ })
+ })
+
+ it('should return to a previous slide if the provided index is lower than the current', () => {
+ return new Promise(resolve => {
+ 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'))
+ resolve()
+ })
+ })
+ })
+
+ 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-bs-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 not continue if 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-bs-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(0)
+
+ expect(spy).not.toHaveBeenCalled()
+ })
+
+ it('should wait before performing to if a slide is sliding', () => {
+ return new Promise(resolve => {
+ 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-bs-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 spyOne = spyOn(EventHandler, 'one').and.callThrough()
+ const spySlide = spyOn(carousel, '_slide')
+
+ carousel._isSliding = true
+ carousel.to(1)
+
+ expect(spySlide).not.toHaveBeenCalled()
+ expect(spyOne).toHaveBeenCalled()
+
+ const spyTo = spyOn(carousel, 'to')
+
+ EventHandler.trigger(carouselEl, 'slid.bs.carousel')
+
+ setTimeout(() => {
+ expect(spyTo).toHaveBeenCalledWith(1)
+ resolve()
+ })
+ })
+ })
+ })
+
+ describe('rtl function', () => {
+ it('"_directionToOrder" and "_orderToDirection" must return the right results', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+
+ expect(carousel._directionToOrder('left')).toEqual('next')
+ expect(carousel._directionToOrder('right')).toEqual('prev')
+
+ expect(carousel._orderToDirection('next')).toEqual('left')
+ expect(carousel._orderToDirection('prev')).toEqual('right')
+ })
+
+ it('"_directionToOrder" and "_orderToDirection" must return the right results when rtl=true', () => {
+ document.documentElement.dir = 'rtl'
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+ expect(isRTL()).toBeTrue()
+
+ expect(carousel._directionToOrder('left')).toEqual('prev')
+ expect(carousel._directionToOrder('right')).toEqual('next')
+
+ expect(carousel._orderToDirection('next')).toEqual('right')
+ expect(carousel._orderToDirection('prev')).toEqual('left')
+ document.documentElement.dir = 'ltl'
+ })
+
+ it('"_slide" has to call _directionToOrder and "_orderToDirection"', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+
+ const spy = spyOn(carousel, '_orderToDirection').and.callThrough()
+
+ carousel._slide(carousel._directionToOrder('left'))
+ expect(spy).toHaveBeenCalledWith('next')
+
+ carousel._slide(carousel._directionToOrder('right'))
+ expect(spy).toHaveBeenCalledWith('prev')
+ })
+
+ it('"_slide" has to call "_directionToOrder" and "_orderToDirection" when rtl=true', () => {
+ document.documentElement.dir = 'rtl'
+ fixtureEl.innerHTML = '<div></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const carousel = new Carousel(carouselEl, {})
+ const spy = spyOn(carousel, '_orderToDirection').and.callThrough()
+
+ carousel._slide(carousel._directionToOrder('left'))
+ expect(spy).toHaveBeenCalledWith('prev')
+
+ carousel._slide(carousel._directionToOrder('right'))
+ expect(spy).toHaveBeenCalledWith('next')
+
+ document.documentElement.dir = 'ltl'
+ })
+ })
+
+ 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-bs-interval="7">item 2</div>',
+ ' <div class="carousel-item">item 3</div>',
+ ' </div>',
+ '</div>'
+ ].join('')
+
+ const carouselEl = fixtureEl.querySelector('#myCarousel')
+ const addEventSpy = spyOn(carouselEl, 'addEventListener').and.callThrough()
+ const removeEventSpy = spyOn(EventHandler, 'off').and.callThrough()
+
+ // Headless browser does not support touch events, so need to fake it
+ // to test that touch events are add/removed properly.
+ document.documentElement.ontouchstart = noop
+
+ const carousel = new Carousel(carouselEl)
+ const swipeHelperSpy = spyOn(carousel._swipeHelper, 'dispose').and.callThrough()
+
+ const expectedArgs = [
+ ['keydown', jasmine.any(Function), jasmine.any(Boolean)],
+ ['mouseover', jasmine.any(Function), jasmine.any(Boolean)],
+ ['mouseout', jasmine.any(Function), jasmine.any(Boolean)],
+ ...(carousel._swipeHelper._supportPointerEvents ?
+ [
+ ['pointerdown', jasmine.any(Function), jasmine.any(Boolean)],
+ ['pointerup', jasmine.any(Function), jasmine.any(Boolean)]
+ ] :
+ [
+ ['touchstart', jasmine.any(Function), jasmine.any(Boolean)],
+ ['touchmove', jasmine.any(Function), jasmine.any(Boolean)],
+ ['touchend', jasmine.any(Function), jasmine.any(Boolean)]
+ ])
+ ]
+
+ expect(addEventSpy.calls.allArgs()).toEqual(expectedArgs)
+
+ carousel.dispose()
+
+ expect(carousel._swipeHelper).toBeNull()
+ expect(removeEventSpy).toHaveBeenCalledWith(carouselEl, Carousel.EVENT_KEY)
+ expect(swipeHelperSpy).toHaveBeenCalled()
+
+ delete document.documentElement.ontouchstart
+ })
+ })
+
+ describe('getInstance', () => {
+ it('should return carousel instance', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+ const carousel = new Carousel(div)
+
+ expect(Carousel.getInstance(div)).toEqual(carousel)
+ expect(Carousel.getInstance(div)).toBeInstanceOf(Carousel)
+ })
+
+ it('should return null when there is no carousel instance', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+
+ expect(Carousel.getInstance(div)).toBeNull()
+ })
+ })
+
+ describe('getOrCreateInstance', () => {
+ it('should return carousel instance', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+ const carousel = new Carousel(div)
+
+ expect(Carousel.getOrCreateInstance(div)).toEqual(carousel)
+ expect(Carousel.getInstance(div)).toEqual(Carousel.getOrCreateInstance(div, {}))
+ expect(Carousel.getOrCreateInstance(div)).toBeInstanceOf(Carousel)
+ })
+
+ it('should return new instance when there is no carousel instance', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+
+ expect(Carousel.getInstance(div)).toBeNull()
+ expect(Carousel.getOrCreateInstance(div)).toBeInstanceOf(Carousel)
+ })
+
+ it('should return new instance when there is no carousel instance with given configuration', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+
+ expect(Carousel.getInstance(div)).toBeNull()
+ const carousel = Carousel.getOrCreateInstance(div, {
+ interval: 1
+ })
+ expect(carousel).toBeInstanceOf(Carousel)
+
+ expect(carousel._config.interval).toEqual(1)
+ })
+
+ it('should return the instance when exists without given configuration', () => {
+ fixtureEl.innerHTML = '<div></div>'
+
+ const div = fixtureEl.querySelector('div')
+ const carousel = new Carousel(div, {
+ interval: 1
+ })
+ expect(Carousel.getInstance(div)).toEqual(carousel)
+
+ const carousel2 = Carousel.getOrCreateInstance(div, {
+ interval: 2
+ })
+ expect(carousel).toBeInstanceOf(Carousel)
+ expect(carousel2).toEqual(carousel)
+
+ expect(carousel2._config.interval).toEqual(1)
+ })
+ })
+
+ 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)).not.toBeNull()
+ })
+
+ 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
+
+ const spy = spyOn(carousel, 'to')
+
+ jQueryMock.fn.carousel = Carousel.jQueryInterface
+ jQueryMock.elements = [div]
+
+ jQueryMock.fn.carousel.call(jQueryMock, slideTo)
+
+ expect(spy).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]
+
+ expect(() => {
+ jQueryMock.fn.carousel.call(jQueryMock, action)
+ }).toThrowError(TypeError, `No method named "${action}"`)
+ })
+ })
+
+ describe('data-api', () => {
+ it('should init carousels with data-bs-ride="carousel" on load', () => {
+ fixtureEl.innerHTML = '<div data-bs-ride="carousel"></div>'
+
+ const carouselEl = fixtureEl.querySelector('div')
+ const loadEvent = createEvent('load')
+
+ window.dispatchEvent(loadEvent)
+ const carousel = Carousel.getInstance(carouselEl)
+ expect(carousel._interval).not.toBeNull()
+ })
+
+ it('should create carousel and go to the next slide on click (with real button controls)', () => {
+ return new Promise(resolve => {
+ 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>',
+ ' <button class="carousel-control-prev" data-bs-target="#myCarousel" type="button" data-bs-slide="prev"></button>',
+ ' <button id="next" class="carousel-control-next" data-bs-target="#myCarousel" type="button" data-bs-slide="next"></button>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+ const item2 = fixtureEl.querySelector('#item2')
+
+ next.click()
+
+ setTimeout(() => {
+ expect(item2).toHaveClass('active')
+ resolve()
+ }, 10)
+ })
+ })
+
+ it('should create carousel and go to the next slide on click (using links as controls)', () => {
+ return new Promise(resolve => {
+ 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>',
+ ' <a class="carousel-control-prev" href="#myCarousel" role="button" data-bs-slide="prev"></a>',
+ ' <a id="next" class="carousel-control-next" href="#myCarousel" role="button" data-bs-slide="next"></a>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+ const item2 = fixtureEl.querySelector('#item2')
+
+ next.click()
+
+ setTimeout(() => {
+ expect(item2).toHaveClass('active')
+ resolve()
+ }, 10)
+ })
+ })
+
+ it('should create carousel and go to the next slide on click with data-bs-slide-to', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<div id="myCarousel" class="carousel slide" data-bs-ride="true">',
+ ' <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-bs-target="#myCarousel" data-bs-slide-to="1"></div>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+ const item2 = fixtureEl.querySelector('#item2')
+
+ next.click()
+
+ setTimeout(() => {
+ expect(item2).toHaveClass('active')
+ expect(Carousel.getInstance('#myCarousel')._interval).not.toBeNull()
+ resolve()
+ }, 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>',
+ ' <button class="carousel-control-prev" data-bs-target="#myCarousel" type="button" data-bs-slide="prev"></button>',
+ ' <button id="next" class="carousel-control-next" type="button" data-bs-slide="next"></button>',
+ '</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>',
+ ' <button class="carousel-control-prev" data-bs-target="#myCarousel" type="button" data-bs-slide="prev"></button>',
+ ' <button id="next" class="carousel-control-next" data-bs-target="#myCarousel" type="button" data-bs-slide="next"></button>',
+ '</div>'
+ ].join('')
+
+ const next = fixtureEl.querySelector('#next')
+
+ next.click()
+
+ expect().nothing()
+ })
+ })
+})
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 03:25:05 +0000