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+import Tab from '../../src/tab'
+import { clearFixture, createEvent, getFixture, jQueryMock } from '../helpers/fixture'
+
+describe('Tab', () => {
+ let fixtureEl
+
+ beforeAll(() => {
+ fixtureEl = getFixture()
+ })
+
+ afterEach(() => {
+ clearFixture()
+ })
+
+ describe('VERSION', () => {
+ it('should return plugin version', () => {
+ expect(Tab.VERSION).toEqual(jasmine.any(String))
+ })
+ })
+
+ describe('constructor', () => {
+ it('should take care of element either passed as a CSS selector or DOM element', () => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav">',
+ ' <li><a href="#home" role="tab">Home</a></li>',
+ '</ul>',
+ '<ul>',
+ ' <li id="home"></li>',
+ '</ul>'
+ ].join('')
+
+ const tabEl = fixtureEl.querySelector('[href="#home"]')
+ const tabBySelector = new Tab('[href="#home"]')
+ const tabByElement = new Tab(tabEl)
+
+ expect(tabBySelector._element).toEqual(tabEl)
+ expect(tabByElement._element).toEqual(tabEl)
+ })
+
+ it('Do not Throw exception if not parent', () => {
+ fixtureEl.innerHTML = [
+ fixtureEl.innerHTML = '<div class=""><div class="nav-link"></div></div>'
+ ].join('')
+ const navEl = fixtureEl.querySelector('.nav-link')
+
+ expect(() => {
+ new Tab(navEl) // eslint-disable-line no-new
+ }).not.toThrowError(TypeError)
+ })
+ })
+
+ describe('show', () => {
+ it('should activate element by tab id (using buttons, the preferred semantic way)', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav" role="tablist">',
+ ' <li><button type="button" data-bs-target="#home" role="tab">Home</button></li>',
+ ' <li><button type="button" id="triggerProfile" data-bs-target="#profile" role="tab">Profile</button></li>',
+ '</ul>',
+ '<ul>',
+ ' <li id="home" role="tabpanel"></li>',
+ ' <li id="profile" role="tabpanel"></li>',
+ '</ul>'
+ ].join('')
+
+ const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
+ const tab = new Tab(profileTriggerEl)
+
+ profileTriggerEl.addEventListener('shown.bs.tab', () => {
+ expect(fixtureEl.querySelector('#profile')).toHaveClass('active')
+ expect(profileTriggerEl.getAttribute('aria-selected')).toEqual('true')
+ resolve()
+ })
+
+ tab.show()
+ })
+ })
+
+ it('should activate element by tab id (using links for tabs - not ideal, but still supported)', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav" role="tablist">',
+ ' <li><a href="#home" role="tab">Home</a></li>',
+ ' <li><a id="triggerProfile" href="#profile" role="tab">Profile</a></li>',
+ '</ul>',
+ '<ul>',
+ ' <li id="home" role="tabpanel"></li>',
+ ' <li id="profile" role="tabpanel"></li>',
+ '</ul>'
+ ].join('')
+
+ const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
+ const tab = new Tab(profileTriggerEl)
+
+ profileTriggerEl.addEventListener('shown.bs.tab', () => {
+ expect(fixtureEl.querySelector('#profile')).toHaveClass('active')
+ expect(profileTriggerEl.getAttribute('aria-selected')).toEqual('true')
+ resolve()
+ })
+
+ tab.show()
+ })
+ })
+
+ it('should activate element by tab id in ordered list', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ol class="nav nav-pills">',
+ ' <li><button type="button" data-bs-target="#home" role="tab">Home</button></li>',
+ ' <li><button type="button" id="triggerProfile" href="#profile" role="tab">Profile</button></li>',
+ '</ol>',
+ '<ol>',
+ ' <li id="home" role="tabpanel"></li>',
+ ' <li id="profile" role="tabpanel"></li>',
+ '</ol>'
+ ].join('')
+
+ const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
+ const tab = new Tab(profileTriggerEl)
+
+ profileTriggerEl.addEventListener('shown.bs.tab', () => {
+ expect(fixtureEl.querySelector('#profile')).toHaveClass('active')
+ resolve()
+ })
+
+ tab.show()
+ })
+ })
+
+ it('should activate element by tab id in nav list', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<nav class="nav">',
+ ' <button type="button" data-bs-target="#home" role="tab">Home</button>',
+ ' <button type="button" id="triggerProfile" data-bs-target="#profile" role="tab">Profile</button>',
+ '</nav>',
+ '<div>',
+ ' <div id="home" role="tabpanel"></div>',
+ ' <div id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
+ const tab = new Tab(profileTriggerEl)
+
+ profileTriggerEl.addEventListener('shown.bs.tab', () => {
+ expect(fixtureEl.querySelector('#profile')).toHaveClass('active')
+ resolve()
+ })
+
+ tab.show()
+ })
+ })
+
+ it('should activate element by tab id in list group', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<div class="list-group" role="tablist">',
+ ' <button type="button" data-bs-target="#home" role="tab">Home</button>',
+ ' <button type="button" id="triggerProfile" data-bs-target="#profile" role="tab">Profile</button>',
+ '</div>',
+ '<div>',
+ ' <div id="home" role="tabpanel"></div>',
+ ' <div id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
+ const tab = new Tab(profileTriggerEl)
+
+ profileTriggerEl.addEventListener('shown.bs.tab', () => {
+ expect(fixtureEl.querySelector('#profile')).toHaveClass('active')
+ resolve()
+ })
+
+ tab.show()
+ })
+ })
+
+ it('should not fire shown when show is prevented', () => {
+ return new Promise((resolve, reject) => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const navEl = fixtureEl.querySelector('.nav > div')
+ const tab = new Tab(navEl)
+ const expectDone = () => {
+ setTimeout(() => {
+ expect().nothing()
+ resolve()
+ }, 30)
+ }
+
+ navEl.addEventListener('show.bs.tab', ev => {
+ ev.preventDefault()
+ expectDone()
+ })
+
+ navEl.addEventListener('shown.bs.tab', () => {
+ reject(new Error('should not trigger shown event'))
+ })
+
+ tab.show()
+ })
+ })
+
+ it('should not fire shown when tab is already active', () => {
+ return new Promise((resolve, reject) => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation"><button type="button" data-bs-target="#home" class="nav-link active" role="tab" aria-selected="true">Home</button></li>',
+ ' <li class="nav-item" role="presentation"><button type="button" data-bs-target="#profile" class="nav-link" role="tab">Profile</button></li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div class="tab-pane active" id="home" role="tabpanel"></div>',
+ ' <div class="tab-pane" id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const triggerActive = fixtureEl.querySelector('button.active')
+ const tab = new Tab(triggerActive)
+
+ triggerActive.addEventListener('shown.bs.tab', () => {
+ reject(new Error('should not trigger shown event'))
+ })
+
+ tab.show()
+ setTimeout(() => {
+ expect().nothing()
+ resolve()
+ }, 30)
+ })
+ })
+
+ it('show and shown events should reference correct relatedTarget', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation"><button type="button" data-bs-target="#home" class="nav-link active" role="tab" aria-selected="true">Home</button></li>',
+ ' <li class="nav-item" role="presentation"><button type="button" id="triggerProfile" data-bs-target="#profile" class="nav-link" role="tab">Profile</button></li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div class="tab-pane active" id="home" role="tabpanel"></div>',
+ ' <div class="tab-pane" id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const secondTabTrigger = fixtureEl.querySelector('#triggerProfile')
+ const secondTab = new Tab(secondTabTrigger)
+
+ secondTabTrigger.addEventListener('show.bs.tab', ev => {
+ expect(ev.relatedTarget.getAttribute('data-bs-target')).toEqual('#home')
+ })
+
+ secondTabTrigger.addEventListener('shown.bs.tab', ev => {
+ expect(ev.relatedTarget.getAttribute('data-bs-target')).toEqual('#home')
+ expect(secondTabTrigger.getAttribute('aria-selected')).toEqual('true')
+ expect(fixtureEl.querySelector('button:not(.active)').getAttribute('aria-selected')).toEqual('false')
+ resolve()
+ })
+
+ secondTab.show()
+ })
+ })
+
+ it('should fire hide and hidden events', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav" role="tablist">',
+ ' <li><button type="button" data-bs-target="#home" role="tab">Home</button></li>',
+ ' <li><button type="button" data-bs-target="#profile" role="tab">Profile</button></li>',
+ '</ul>'
+ ].join('')
+
+ const triggerList = fixtureEl.querySelectorAll('button')
+ const firstTab = new Tab(triggerList[0])
+ const secondTab = new Tab(triggerList[1])
+
+ let hideCalled = false
+ triggerList[0].addEventListener('shown.bs.tab', () => {
+ secondTab.show()
+ })
+
+ triggerList[0].addEventListener('hide.bs.tab', ev => {
+ hideCalled = true
+ expect(ev.relatedTarget.getAttribute('data-bs-target')).toEqual('#profile')
+ })
+
+ triggerList[0].addEventListener('hidden.bs.tab', ev => {
+ expect(hideCalled).toBeTrue()
+ expect(ev.relatedTarget.getAttribute('data-bs-target')).toEqual('#profile')
+ resolve()
+ })
+
+ firstTab.show()
+ })
+ })
+
+ it('should not fire hidden when hide is prevented', () => {
+ return new Promise((resolve, reject) => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav" role="tablist">',
+ ' <li><button type="button" data-bs-target="#home" role="tab">Home</button></li>',
+ ' <li><button type="button" data-bs-target="#profile" role="tab">Profile</button></li>',
+ '</ul>'
+ ].join('')
+
+ const triggerList = fixtureEl.querySelectorAll('button')
+ const firstTab = new Tab(triggerList[0])
+ const secondTab = new Tab(triggerList[1])
+ const expectDone = () => {
+ setTimeout(() => {
+ expect().nothing()
+ resolve()
+ }, 30)
+ }
+
+ triggerList[0].addEventListener('shown.bs.tab', () => {
+ secondTab.show()
+ })
+
+ triggerList[0].addEventListener('hide.bs.tab', ev => {
+ ev.preventDefault()
+ expectDone()
+ })
+
+ triggerList[0].addEventListener('hidden.bs.tab', () => {
+ reject(new Error('should not trigger hidden'))
+ })
+
+ firstTab.show()
+ })
+ })
+
+ it('should handle removed tabs', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation">',
+ ' <a class="nav-link nav-tab" href="#profile" role="tab" data-bs-toggle="tab">',
+ ' <button class="btn-close" aria-label="Close"></button>',
+ ' </a>',
+ ' </li>',
+ ' <li class="nav-item" role="presentation">',
+ ' <a id="secondNav" class="nav-link nav-tab" href="#buzz" role="tab" data-bs-toggle="tab">',
+ ' <button class="btn-close" aria-label="Close"></button>',
+ ' </a>',
+ ' </li>',
+ ' <li class="nav-item" role="presentation">',
+ ' <a class="nav-link nav-tab" href="#references" role="tab" data-bs-toggle="tab">',
+ ' <button id="btnClose" class="btn-close" aria-label="Close"></button>',
+ ' </a>',
+ ' </li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div role="tabpanel" class="tab-pane fade show active" id="profile">test 1</div>',
+ ' <div role="tabpanel" class="tab-pane fade" id="buzz">test 2</div>',
+ ' <div role="tabpanel" class="tab-pane fade" id="references">test 3</div>',
+ '</div>'
+ ].join('')
+
+ const secondNavEl = fixtureEl.querySelector('#secondNav')
+ const btnCloseEl = fixtureEl.querySelector('#btnClose')
+ const secondNavTab = new Tab(secondNavEl)
+
+ secondNavEl.addEventListener('shown.bs.tab', () => {
+ expect(fixtureEl.querySelectorAll('.nav-tab')).toHaveSize(2)
+ resolve()
+ })
+
+ btnCloseEl.addEventListener('click', () => {
+ const linkEl = btnCloseEl.parentNode
+ const liEl = linkEl.parentNode
+ const tabId = linkEl.getAttribute('href')
+ const tabIdEl = fixtureEl.querySelector(tabId)
+
+ liEl.remove()
+ tabIdEl.remove()
+ secondNavTab.show()
+ })
+
+ btnCloseEl.click()
+ })
+ })
+
+ it('should not focus on opened tab', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav" role="tablist">',
+ ' <li><button type="button" id="home" data-bs-target="#home" role="tab">Home</button></li>',
+ ' <li><button type="button" id="triggerProfile" data-bs-target="#profile" role="tab">Profile</button></li>',
+ '</ul>',
+ '<ul>',
+ ' <li id="home" role="tabpanel"></li>',
+ ' <li id="profile" role="tabpanel"></li>',
+ '</ul>'
+ ].join('')
+
+ const firstTab = fixtureEl.querySelector('#home')
+ firstTab.focus()
+
+ const profileTriggerEl = fixtureEl.querySelector('#triggerProfile')
+ const tab = new Tab(profileTriggerEl)
+
+ profileTriggerEl.addEventListener('shown.bs.tab', () => {
+ expect(document.activeElement).toBe(firstTab)
+ expect(document.activeElement).not.toBe(profileTriggerEl)
+ resolve()
+ })
+
+ tab.show()
+ })
+ })
+ })
+
+ describe('dispose', () => {
+ it('should dispose a tab', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const el = fixtureEl.querySelector('.nav > div')
+ const tab = new Tab(fixtureEl.querySelector('.nav > div'))
+
+ expect(Tab.getInstance(el)).not.toBeNull()
+
+ tab.dispose()
+
+ expect(Tab.getInstance(el)).toBeNull()
+ })
+ })
+
+ describe('_activate', () => {
+ it('should not be called if element argument is null', () => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav" role="tablist">',
+ ' <li class="nav-link"></li>',
+ '</ul>'
+ ].join('')
+
+ const tabEl = fixtureEl.querySelector('.nav-link')
+ const tab = new Tab(tabEl)
+ const spy = jasmine.createSpy('spy')
+
+ const spyQueue = spyOn(tab, '_queueCallback')
+ tab._activate(null, spy)
+ expect(spyQueue).not.toHaveBeenCalled()
+ expect(spy).not.toHaveBeenCalled()
+ })
+ })
+
+ describe('_setInitialAttributes', () => {
+ it('should put aria attributes', () => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav">',
+ ' <li class="nav-link" id="foo" data-bs-target="#panel"></li>',
+ ' <li class="nav-link" data-bs-target="#panel2"></li>',
+ '</ul>',
+ '<div id="panel"></div>',
+ '<div id="panel2"></div>'
+ ].join('')
+
+ const tabEl = fixtureEl.querySelector('.nav-link')
+ const parent = fixtureEl.querySelector('.nav')
+ const children = fixtureEl.querySelectorAll('.nav-link')
+ const tabPanel = fixtureEl.querySelector('#panel')
+ const tabPanel2 = fixtureEl.querySelector('#panel2')
+
+ expect(parent.getAttribute('role')).toEqual(null)
+ expect(tabEl.getAttribute('role')).toEqual(null)
+ expect(tabPanel.getAttribute('role')).toEqual(null)
+ const tab = new Tab(tabEl)
+ tab._setInitialAttributes(parent, children)
+
+ expect(parent.getAttribute('role')).toEqual('tablist')
+ expect(tabEl.getAttribute('role')).toEqual('tab')
+
+ expect(tabPanel.getAttribute('role')).toEqual('tabpanel')
+ expect(tabPanel2.getAttribute('role')).toEqual('tabpanel')
+ expect(tabPanel.hasAttribute('tabindex')).toBeFalse()
+ expect(tabPanel.hasAttribute('tabindex2')).toBeFalse()
+
+ expect(tabPanel.getAttribute('aria-labelledby')).toEqual('#foo')
+ expect(tabPanel2.hasAttribute('aria-labelledby')).toBeFalse()
+ })
+ })
+
+ describe('_keydown', () => {
+ it('if event is not one of left/right/up/down arrow, ignore it', () => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav">',
+ ' <li class="nav-link" data-bs-toggle="tab"></li>',
+ '</ul>'
+ ].join('')
+
+ const tabEl = fixtureEl.querySelector('.nav-link')
+ const tab = new Tab(tabEl)
+
+ const keydown = createEvent('keydown')
+ keydown.key = 'Enter'
+ const spyStop = spyOn(Event.prototype, 'stopPropagation').and.callThrough()
+ const spyPrevent = spyOn(Event.prototype, 'preventDefault').and.callThrough()
+ const spyKeydown = spyOn(tab, '_keydown')
+ const spyGet = spyOn(tab, '_getChildren')
+
+ tabEl.dispatchEvent(keydown)
+ expect(spyKeydown).toHaveBeenCalled()
+ expect(spyGet).not.toHaveBeenCalled()
+
+ expect(spyStop).not.toHaveBeenCalled()
+ expect(spyPrevent).not.toHaveBeenCalled()
+ })
+
+ it('if keydown event is right/down arrow, handle it', () => {
+ fixtureEl.innerHTML = [
+ '<div class="nav">',
+ ' <span id="tab1" class="nav-link" data-bs-toggle="tab"></span>',
+ ' <span id="tab2" class="nav-link" data-bs-toggle="tab"></span>',
+ ' <span id="tab3" class="nav-link" data-bs-toggle="tab"></span>',
+ '</div>'
+ ].join('')
+
+ const tabEl1 = fixtureEl.querySelector('#tab1')
+ const tabEl2 = fixtureEl.querySelector('#tab2')
+ const tabEl3 = fixtureEl.querySelector('#tab3')
+ const tab1 = new Tab(tabEl1)
+ const tab2 = new Tab(tabEl2)
+ const tab3 = new Tab(tabEl3)
+ const spyShow1 = spyOn(tab1, 'show').and.callThrough()
+ const spyShow2 = spyOn(tab2, 'show').and.callThrough()
+ const spyShow3 = spyOn(tab3, 'show').and.callThrough()
+ const spyFocus1 = spyOn(tabEl1, 'focus').and.callThrough()
+ const spyFocus2 = spyOn(tabEl2, 'focus').and.callThrough()
+ const spyFocus3 = spyOn(tabEl3, 'focus').and.callThrough()
+
+ const spyStop = spyOn(Event.prototype, 'stopPropagation').and.callThrough()
+ const spyPrevent = spyOn(Event.prototype, 'preventDefault').and.callThrough()
+
+ let keydown = createEvent('keydown')
+ keydown.key = 'ArrowRight'
+
+ tabEl1.dispatchEvent(keydown)
+ expect(spyShow2).toHaveBeenCalled()
+ expect(spyFocus2).toHaveBeenCalled()
+
+ keydown = createEvent('keydown')
+ keydown.key = 'ArrowDown'
+
+ tabEl2.dispatchEvent(keydown)
+ expect(spyShow3).toHaveBeenCalled()
+ expect(spyFocus3).toHaveBeenCalled()
+
+ tabEl3.dispatchEvent(keydown)
+ expect(spyShow1).toHaveBeenCalled()
+ expect(spyFocus1).toHaveBeenCalled()
+
+ expect(spyStop).toHaveBeenCalledTimes(3)
+ expect(spyPrevent).toHaveBeenCalledTimes(3)
+ })
+
+ it('if keydown event is left arrow, handle it', () => {
+ fixtureEl.innerHTML = [
+ '<div class="nav">',
+ ' <span id="tab1" class="nav-link" data-bs-toggle="tab"></span>',
+ ' <span id="tab2" class="nav-link" data-bs-toggle="tab"></span>',
+ '</div>'
+ ].join('')
+
+ const tabEl1 = fixtureEl.querySelector('#tab1')
+ const tabEl2 = fixtureEl.querySelector('#tab2')
+ const tab1 = new Tab(tabEl1)
+ const tab2 = new Tab(tabEl2)
+ const spyShow1 = spyOn(tab1, 'show').and.callThrough()
+ const spyShow2 = spyOn(tab2, 'show').and.callThrough()
+ const spyFocus1 = spyOn(tabEl1, 'focus').and.callThrough()
+ const spyFocus2 = spyOn(tabEl2, 'focus').and.callThrough()
+
+ const spyStop = spyOn(Event.prototype, 'stopPropagation').and.callThrough()
+ const spyPrevent = spyOn(Event.prototype, 'preventDefault').and.callThrough()
+
+ let keydown = createEvent('keydown')
+ keydown.key = 'ArrowLeft'
+
+ tabEl2.dispatchEvent(keydown)
+ expect(spyShow1).toHaveBeenCalled()
+ expect(spyFocus1).toHaveBeenCalled()
+
+ keydown = createEvent('keydown')
+ keydown.key = 'ArrowUp'
+
+ tabEl1.dispatchEvent(keydown)
+ expect(spyShow2).toHaveBeenCalled()
+ expect(spyFocus2).toHaveBeenCalled()
+
+ expect(spyStop).toHaveBeenCalledTimes(2)
+ expect(spyPrevent).toHaveBeenCalledTimes(2)
+ })
+
+ it('if keydown event is right arrow and next element is disabled', () => {
+ fixtureEl.innerHTML = [
+ '<div class="nav">',
+ ' <span id="tab1" class="nav-link" data-bs-toggle="tab"></span>',
+ ' <span id="tab2" class="nav-link" data-bs-toggle="tab" disabled></span>',
+ ' <span id="tab3" class="nav-link disabled" data-bs-toggle="tab"></span>',
+ ' <span id="tab4" class="nav-link" data-bs-toggle="tab"></span>',
+ '</div>'
+ ].join('')
+
+ const tabEl = fixtureEl.querySelector('#tab1')
+ const tabEl2 = fixtureEl.querySelector('#tab2')
+ const tabEl3 = fixtureEl.querySelector('#tab3')
+ const tabEl4 = fixtureEl.querySelector('#tab4')
+ const tab = new Tab(tabEl)
+ const tab2 = new Tab(tabEl2)
+ const tab3 = new Tab(tabEl3)
+ const tab4 = new Tab(tabEl4)
+ const spy1 = spyOn(tab, 'show').and.callThrough()
+ const spy2 = spyOn(tab2, 'show').and.callThrough()
+ const spy3 = spyOn(tab3, 'show').and.callThrough()
+ const spy4 = spyOn(tab4, 'show').and.callThrough()
+ const spyFocus1 = spyOn(tabEl, 'focus').and.callThrough()
+ const spyFocus2 = spyOn(tabEl2, 'focus').and.callThrough()
+ const spyFocus3 = spyOn(tabEl3, 'focus').and.callThrough()
+ const spyFocus4 = spyOn(tabEl4, 'focus').and.callThrough()
+
+ const keydown = createEvent('keydown')
+ keydown.key = 'ArrowRight'
+
+ tabEl.dispatchEvent(keydown)
+ expect(spy1).not.toHaveBeenCalled()
+ expect(spy2).not.toHaveBeenCalled()
+ expect(spy3).not.toHaveBeenCalled()
+ expect(spy4).toHaveBeenCalledTimes(1)
+ expect(spyFocus1).not.toHaveBeenCalled()
+ expect(spyFocus2).not.toHaveBeenCalled()
+ expect(spyFocus3).not.toHaveBeenCalled()
+ expect(spyFocus4).toHaveBeenCalledTimes(1)
+ })
+
+ it('if keydown event is left arrow and next element is disabled', () => {
+ fixtureEl.innerHTML = [
+ '<div class="nav">',
+ ' <span id="tab1" class="nav-link" data-bs-toggle="tab"></span>',
+ ' <span id="tab2" class="nav-link" data-bs-toggle="tab" disabled></span>',
+ ' <span id="tab3" class="nav-link disabled" data-bs-toggle="tab"></span>',
+ ' <span id="tab4" class="nav-link" data-bs-toggle="tab"></span>',
+ '</div>'
+ ].join('')
+
+ const tabEl = fixtureEl.querySelector('#tab1')
+ const tabEl2 = fixtureEl.querySelector('#tab2')
+ const tabEl3 = fixtureEl.querySelector('#tab3')
+ const tabEl4 = fixtureEl.querySelector('#tab4')
+ const tab = new Tab(tabEl)
+ const tab2 = new Tab(tabEl2)
+ const tab3 = new Tab(tabEl3)
+ const tab4 = new Tab(tabEl4)
+ const spy1 = spyOn(tab, 'show').and.callThrough()
+ const spy2 = spyOn(tab2, 'show').and.callThrough()
+ const spy3 = spyOn(tab3, 'show').and.callThrough()
+ const spy4 = spyOn(tab4, 'show').and.callThrough()
+ const spyFocus1 = spyOn(tabEl, 'focus').and.callThrough()
+ const spyFocus2 = spyOn(tabEl2, 'focus').and.callThrough()
+ const spyFocus3 = spyOn(tabEl3, 'focus').and.callThrough()
+ const spyFocus4 = spyOn(tabEl4, 'focus').and.callThrough()
+
+ const keydown = createEvent('keydown')
+ keydown.key = 'ArrowLeft'
+
+ tabEl4.dispatchEvent(keydown)
+ expect(spy4).not.toHaveBeenCalled()
+ expect(spy3).not.toHaveBeenCalled()
+ expect(spy2).not.toHaveBeenCalled()
+ expect(spy1).toHaveBeenCalledTimes(1)
+ expect(spyFocus4).not.toHaveBeenCalled()
+ expect(spyFocus3).not.toHaveBeenCalled()
+ expect(spyFocus2).not.toHaveBeenCalled()
+ expect(spyFocus1).toHaveBeenCalledTimes(1)
+ })
+ })
+
+ describe('jQueryInterface', () => {
+ it('should create a tab', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const div = fixtureEl.querySelector('.nav > div')
+
+ jQueryMock.fn.tab = Tab.jQueryInterface
+ jQueryMock.elements = [div]
+
+ jQueryMock.fn.tab.call(jQueryMock)
+
+ expect(Tab.getInstance(div)).not.toBeNull()
+ })
+
+ it('should not re create a tab', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const div = fixtureEl.querySelector('.nav > div')
+ const tab = new Tab(div)
+
+ jQueryMock.fn.tab = Tab.jQueryInterface
+ jQueryMock.elements = [div]
+
+ jQueryMock.fn.tab.call(jQueryMock)
+
+ expect(Tab.getInstance(div)).toEqual(tab)
+ })
+
+ it('should call a tab method', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const div = fixtureEl.querySelector('.nav > div')
+ const tab = new Tab(div)
+
+ const spy = spyOn(tab, 'show')
+
+ jQueryMock.fn.tab = Tab.jQueryInterface
+ jQueryMock.elements = [div]
+
+ jQueryMock.fn.tab.call(jQueryMock, 'show')
+
+ expect(Tab.getInstance(div)).toEqual(tab)
+ expect(spy).toHaveBeenCalled()
+ })
+
+ it('should throw error on undefined method', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const div = fixtureEl.querySelector('.nav > div')
+ const action = 'undefinedMethod'
+
+ jQueryMock.fn.tab = Tab.jQueryInterface
+ jQueryMock.elements = [div]
+
+ expect(() => {
+ jQueryMock.fn.tab.call(jQueryMock, action)
+ }).toThrowError(TypeError, `No method named "${action}"`)
+ })
+ })
+
+ describe('getInstance', () => {
+ it('should return null if there is no instance', () => {
+ expect(Tab.getInstance(fixtureEl)).toBeNull()
+ })
+
+ it('should return this instance', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const divEl = fixtureEl.querySelector('.nav > div')
+ const tab = new Tab(divEl)
+
+ expect(Tab.getInstance(divEl)).toEqual(tab)
+ expect(Tab.getInstance(divEl)).toBeInstanceOf(Tab)
+ })
+ })
+
+ describe('getOrCreateInstance', () => {
+ it('should return tab instance', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const div = fixtureEl.querySelector('div')
+ const tab = new Tab(div)
+
+ expect(Tab.getOrCreateInstance(div)).toEqual(tab)
+ expect(Tab.getInstance(div)).toEqual(Tab.getOrCreateInstance(div, {}))
+ expect(Tab.getOrCreateInstance(div)).toBeInstanceOf(Tab)
+ })
+
+ it('should return new instance when there is no tab instance', () => {
+ fixtureEl.innerHTML = '<div class="nav"><div class="nav-link"></div></div>'
+
+ const div = fixtureEl.querySelector('div')
+
+ expect(Tab.getInstance(div)).toBeNull()
+ expect(Tab.getOrCreateInstance(div)).toBeInstanceOf(Tab)
+ })
+ })
+
+ describe('data-api', () => {
+ it('should create dynamically a tab', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation"><button type="button" data-bs-target="#home" class="nav-link active" role="tab" aria-selected="true">Home</button></li>',
+ ' <li class="nav-item" role="presentation"><button type="button" id="triggerProfile" data-bs-toggle="tab" data-bs-target="#profile" class="nav-link" role="tab">Profile</button></li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div class="tab-pane active" id="home" role="tabpanel"></div>',
+ ' <div class="tab-pane" id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const secondTabTrigger = fixtureEl.querySelector('#triggerProfile')
+
+ secondTabTrigger.addEventListener('shown.bs.tab', () => {
+ expect(secondTabTrigger).toHaveClass('active')
+ expect(fixtureEl.querySelector('#profile')).toHaveClass('active')
+ resolve()
+ })
+
+ secondTabTrigger.click()
+ })
+ })
+
+ it('selected tab should deactivate previous selected link in dropdown', () => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs">',
+ ' <li class="nav-item"><a class="nav-link" href="#home" data-bs-toggle="tab">Home</a></li>',
+ ' <li class="nav-item"><a class="nav-link" href="#profile" data-bs-toggle="tab">Profile</a></li>',
+ ' <li class="nav-item dropdown">',
+ ' <a class="nav-link dropdown-toggle active" data-bs-toggle="dropdown" href="#">Dropdown</a>',
+ ' <div class="dropdown-menu">',
+ ' <a class="dropdown-item active" href="#dropdown1" id="dropdown1-tab" data-bs-toggle="tab">@fat</a>',
+ ' <a class="dropdown-item" href="#dropdown2" id="dropdown2-tab" data-bs-toggle="tab">@mdo</a>',
+ ' </div>',
+ ' </li>',
+ '</ul>'
+ ].join('')
+
+ const firstLiLinkEl = fixtureEl.querySelector('li:first-child a')
+
+ firstLiLinkEl.click()
+ expect(firstLiLinkEl).toHaveClass('active')
+ expect(fixtureEl.querySelector('li:last-child a')).not.toHaveClass('active')
+ expect(fixtureEl.querySelector('li:last-child .dropdown-menu a:first-child')).not.toHaveClass('active')
+ })
+
+ it('selecting a dropdown tab does not activate another', () => {
+ const nav1 = [
+ '<ul class="nav nav-tabs" id="nav1">',
+ ' <li class="nav-item active"><a class="nav-link" href="#home" data-bs-toggle="tab">Home</a></li>',
+ ' <li class="nav-item dropdown">',
+ ' <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">Dropdown</a>',
+ ' <div class="dropdown-menu">',
+ ' <a class="dropdown-item" href="#dropdown1" id="dropdown1-tab" data-bs-toggle="tab">@fat</a>',
+ ' </div>',
+ ' </li>',
+ '</ul>'
+ ].join('')
+ const nav2 = [
+ '<ul class="nav nav-tabs" id="nav2">',
+ ' <li class="nav-item active"><a class="nav-link" href="#home" data-bs-toggle="tab">Home</a></li>',
+ ' <li class="nav-item dropdown">',
+ ' <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">Dropdown</a>',
+ ' <div class="dropdown-menu">',
+ ' <a class="dropdown-item" href="#dropdown1" id="dropdown1-tab" data-bs-toggle="tab">@fat</a>',
+ ' </div>',
+ ' </li>',
+ '</ul>'
+ ].join('')
+
+ fixtureEl.innerHTML = nav1 + nav2
+
+ const firstDropItem = fixtureEl.querySelector('#nav1 .dropdown-item')
+
+ firstDropItem.click()
+ expect(firstDropItem).toHaveClass('active')
+ expect(fixtureEl.querySelector('#nav1 .dropdown-toggle')).toHaveClass('active')
+ expect(fixtureEl.querySelector('#nav2 .dropdown-toggle')).not.toHaveClass('active')
+ expect(fixtureEl.querySelector('#nav2 .dropdown-item')).not.toHaveClass('active')
+ })
+
+ it('should support li > .dropdown-item', () => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs">',
+ ' <li class="nav-item"><a class="nav-link active" href="#home" data-bs-toggle="tab">Home</a></li>',
+ ' <li class="nav-item"><a class="nav-link" href="#profile" data-bs-toggle="tab">Profile</a></li>',
+ ' <li class="nav-item dropdown">',
+ ' <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#">Dropdown</a>',
+ ' <ul class="dropdown-menu">',
+ ' <li><a class="dropdown-item" href="#dropdown1" id="dropdown1-tab" data-bs-toggle="tab">@fat</a></li>',
+ ' <li><a class="dropdown-item" href="#dropdown2" id="dropdown2-tab" data-bs-toggle="tab">@mdo</a></li>',
+ ' </ul>',
+ ' </li>',
+ '</ul>'
+ ].join('')
+
+ const dropItems = fixtureEl.querySelectorAll('.dropdown-item')
+
+ dropItems[1].click()
+ expect(dropItems[0]).not.toHaveClass('active')
+ expect(dropItems[1]).toHaveClass('active')
+ expect(fixtureEl.querySelector('.nav-link')).not.toHaveClass('active')
+ })
+
+ it('should handle nested tabs', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<nav class="nav nav-tabs" role="tablist">',
+ ' <button type="button" id="tab1" data-bs-target="#x-tab1" class="nav-link" data-bs-toggle="tab" role="tab" aria-controls="x-tab1">Tab 1</button>',
+ ' <button type="button" data-bs-target="#x-tab2" class="nav-link active" data-bs-toggle="tab" role="tab" aria-controls="x-tab2" aria-selected="true">Tab 2</button>',
+ ' <button type="button" data-bs-target="#x-tab3" class="nav-link" data-bs-toggle="tab" role="tab" aria-controls="x-tab3">Tab 3</button>',
+ '</nav>',
+ '<div class="tab-content">',
+ ' <div class="tab-pane" id="x-tab1" role="tabpanel">',
+ ' <nav class="nav nav-tabs" role="tablist">',
+ ' <button type="button" data-bs-target="#nested-tab1" class="nav-link active" data-bs-toggle="tab" role="tab" aria-controls="x-tab1" aria-selected="true">Nested Tab 1</button>',
+ ' <button type="button" id="tabNested2" data-bs-target="#nested-tab2" class="nav-link" data-bs-toggle="tab" role="tab" aria-controls="x-profile">Nested Tab2</button>',
+ ' </nav>',
+ ' <div class="tab-content">',
+ ' <div class="tab-pane active" id="nested-tab1" role="tabpanel">Nested Tab1 Content</div>',
+ ' <div class="tab-pane" id="nested-tab2" role="tabpanel">Nested Tab2 Content</div>',
+ ' </div>',
+ ' </div>',
+ ' <div class="tab-pane active" id="x-tab2" role="tabpanel">Tab2 Content</div>',
+ ' <div class="tab-pane" id="x-tab3" role="tabpanel">Tab3 Content</div>',
+ '</div>'
+ ].join('')
+
+ const tab1El = fixtureEl.querySelector('#tab1')
+ const tabNested2El = fixtureEl.querySelector('#tabNested2')
+ const xTab1El = fixtureEl.querySelector('#x-tab1')
+
+ tabNested2El.addEventListener('shown.bs.tab', () => {
+ expect(xTab1El).toHaveClass('active')
+ resolve()
+ })
+
+ tab1El.addEventListener('shown.bs.tab', () => {
+ expect(xTab1El).toHaveClass('active')
+ tabNested2El.click()
+ })
+
+ tab1El.click()
+ })
+ })
+
+ it('should not remove fade class if no active pane is present', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation"><button type="button" id="tab-home" data-bs-target="#home" class="nav-link" data-bs-toggle="tab" role="tab">Home</button></li>',
+ ' <li class="nav-item" role="presentation"><button type="button" id="tab-profile" data-bs-target="#profile" class="nav-link" data-bs-toggle="tab" role="tab">Profile</button></li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div class="tab-pane fade" id="home" role="tabpanel"></div>',
+ ' <div class="tab-pane fade" id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const triggerTabProfileEl = fixtureEl.querySelector('#tab-profile')
+ const triggerTabHomeEl = fixtureEl.querySelector('#tab-home')
+ const tabProfileEl = fixtureEl.querySelector('#profile')
+ const tabHomeEl = fixtureEl.querySelector('#home')
+
+ triggerTabHomeEl.addEventListener('shown.bs.tab', () => {
+ setTimeout(() => {
+ expect(tabProfileEl).toHaveClass('fade')
+ expect(tabProfileEl).not.toHaveClass('show')
+
+ expect(tabHomeEl).toHaveClass('fade')
+ expect(tabHomeEl).toHaveClass('show')
+
+ resolve()
+ }, 10)
+ })
+
+ triggerTabProfileEl.addEventListener('shown.bs.tab', () => {
+ setTimeout(() => {
+ expect(tabProfileEl).toHaveClass('fade')
+ expect(tabProfileEl).toHaveClass('show')
+ triggerTabHomeEl.click()
+ }, 10)
+ })
+
+ triggerTabProfileEl.click()
+ })
+ })
+
+ it('should add `show` class to tab panes if there is no `.fade` class', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation">',
+ ' <button type="button" class="nav-link nav-tab" data-bs-target="#home" role="tab" data-bs-toggle="tab">Home</button>',
+ ' </li>',
+ ' <li class="nav-item" role="presentation">',
+ ' <button type="button" id="secondNav" class="nav-link nav-tab" data-bs-target="#profile" role="tab" data-bs-toggle="tab">Profile</button>',
+ ' </li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div role="tabpanel" class="tab-pane" id="home">test 1</div>',
+ ' <div role="tabpanel" class="tab-pane" id="profile">test 2</div>',
+ '</div>'
+ ].join('')
+
+ const secondNavEl = fixtureEl.querySelector('#secondNav')
+
+ secondNavEl.addEventListener('shown.bs.tab', () => {
+ expect(fixtureEl.querySelectorAll('.tab-content .show')).toHaveSize(1)
+ resolve()
+ })
+
+ secondNavEl.click()
+ })
+ })
+
+ it('should add show class to tab panes if there is a `.fade` class', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation">',
+ ' <button type="button" class="nav-link nav-tab" data-bs-target="#home" role="tab" data-bs-toggle="tab">Home</button>',
+ ' </li>',
+ ' <li class="nav-item" role="presentation">',
+ ' <button type="button" id="secondNav" class="nav-link nav-tab" data-bs-target="#profile" role="tab" data-bs-toggle="tab">Profile</button>',
+ ' </li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div role="tabpanel" class="tab-pane fade" id="home">test 1</div>',
+ ' <div role="tabpanel" class="tab-pane fade" id="profile">test 2</div>',
+ '</div>'
+ ].join('')
+
+ const secondNavEl = fixtureEl.querySelector('#secondNav')
+
+ secondNavEl.addEventListener('shown.bs.tab', () => {
+ setTimeout(() => {
+ expect(fixtureEl.querySelectorAll('.show')).toHaveSize(1)
+ resolve()
+ }, 10)
+ })
+
+ secondNavEl.click()
+ })
+ })
+
+ it('should prevent default when the trigger is <a> or <area>', () => {
+ return new Promise(resolve => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav" role="tablist">',
+ ' <li><a type="button" href="#test" class="active" role="tab" data-bs-toggle="tab">Home</a></li>',
+ ' <li><a type="button" href="#test2" role="tab" data-bs-toggle="tab">Home</a></li>',
+ '</ul>'
+ ].join('')
+
+ const tabEl = fixtureEl.querySelector('[href="#test2"]')
+ const spy = spyOn(Event.prototype, 'preventDefault').and.callThrough()
+
+ tabEl.addEventListener('shown.bs.tab', () => {
+ expect(tabEl).toHaveClass('active')
+ expect(spy).toHaveBeenCalled()
+ resolve()
+ })
+
+ tabEl.click()
+ })
+ })
+
+ it('should not fire shown when tab has disabled attribute', () => {
+ return new Promise((resolve, reject) => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation"><button type="button" data-bs-target="#home" class="nav-link active" role="tab" aria-selected="true">Home</button></li>',
+ ' <li class="nav-item" role="presentation"><button type="button" data-bs-target="#profile" class="nav-link" disabled role="tab">Profile</button></li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div class="tab-pane active" id="home" role="tabpanel"></div>',
+ ' <div class="tab-pane" id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const triggerDisabled = fixtureEl.querySelector('button[disabled]')
+ triggerDisabled.addEventListener('shown.bs.tab', () => {
+ reject(new Error('should not trigger shown event'))
+ })
+
+ triggerDisabled.click()
+ setTimeout(() => {
+ expect().nothing()
+ resolve()
+ }, 30)
+ })
+ })
+
+ it('should not fire shown when tab has disabled class', () => {
+ return new Promise((resolve, reject) => {
+ fixtureEl.innerHTML = [
+ '<ul class="nav nav-tabs" role="tablist">',
+ ' <li class="nav-item" role="presentation"><a href="#home" class="nav-link active" role="tab" aria-selected="true">Home</a></li>',
+ ' <li class="nav-item" role="presentation"><a href="#profile" class="nav-link disabled" role="tab">Profile</a></li>',
+ '</ul>',
+ '<div class="tab-content">',
+ ' <div class="tab-pane active" id="home" role="tabpanel"></div>',
+ ' <div class="tab-pane" id="profile" role="tabpanel"></div>',
+ '</div>'
+ ].join('')
+
+ const triggerDisabled = fixtureEl.querySelector('a.disabled')
+
+ triggerDisabled.addEventListener('shown.bs.tab', () => {
+ reject(new Error('should not trigger shown event'))
+ })
+
+ triggerDisabled.click()
+ setTimeout(() => {
+ expect().nothing()
+ resolve()
+ }, 30)
+ })
+ })
+ })
+})
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 14:29:01 +0000