import Tab from '../../src/tab' /** Test helpers */ import { getFixture, clearFixture, 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('show', () => { it('should activate element by tab id', done => { fixtureEl.innerHTML = [ '<ul class="nav">', ' <li><a href="#home" role="tab">Home</a></li>', ' <li><a id="triggerProfile" role="tab" href="#profile">Profile</a></li>', '</ul>', '<ul>', ' <li id="home"></li>', ' <li id="profile"></li>', '</ul>' ].join('') const profileTriggerEl = fixtureEl.querySelector('#triggerProfile') const tab = new Tab(profileTriggerEl) profileTriggerEl.addEventListener('shown.bs.tab', () => { expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true) expect(profileTriggerEl.getAttribute('aria-selected')).toEqual('true') done() }) tab.show() }) it('should activate element by tab id in ordered list', done => { fixtureEl.innerHTML = [ '<ol class="nav nav-pills">', ' <li><a href="#home">Home</a></li>', ' <li><a id="triggerProfile" href="#profile">Profile</a></li>', '</ol>', '<ol>', ' <li id="home"></li>', ' <li id="profile"></li>', '</ol>' ].join('') const profileTriggerEl = fixtureEl.querySelector('#triggerProfile') const tab = new Tab(profileTriggerEl) profileTriggerEl.addEventListener('shown.bs.tab', () => { expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true) done() }) tab.show() }) it('should activate element by tab id in nav list', done => { fixtureEl.innerHTML = [ '<nav class="nav">', ' <a href="#home">Home</a>', ' <a id="triggerProfile" href="#profile">Profile</a>', '</nav>', '<nav><div id="home"></div><div id="profile"></div></nav>' ].join('') const profileTriggerEl = fixtureEl.querySelector('#triggerProfile') const tab = new Tab(profileTriggerEl) profileTriggerEl.addEventListener('shown.bs.tab', () => { expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true) done() }) tab.show() }) it('should activate element by tab id in list group', done => { fixtureEl.innerHTML = [ '<div class="list-group">', ' <a href="#home">Home</a>', ' <a id="triggerProfile" href="#profile">Profile</a>', '</div>', '<nav><div id="home"></div><div id="profile"></div></nav>' ].join('') const profileTriggerEl = fixtureEl.querySelector('#triggerProfile') const tab = new Tab(profileTriggerEl) profileTriggerEl.addEventListener('shown.bs.tab', () => { expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true) done() }) tab.show() }) it('should not fire shown when show is prevented', done => { fixtureEl.innerHTML = '<div class="nav"></div>' const navEl = fixtureEl.querySelector('div') const tab = new Tab(navEl) const expectDone = () => { setTimeout(() => { expect().nothing() done() }, 30) } navEl.addEventListener('show.bs.tab', ev => { ev.preventDefault() expectDone() }) navEl.addEventListener('shown.bs.tab', () => { throw new Error('should not trigger shown event') }) tab.show() }) it('should not fire shown when tab is already active', done => { fixtureEl.innerHTML = [ '<ul class="nav nav-tabs" role="tablist">', ' <li class="nav-item" role="presentation"><a href="#home" class="nav-link active" role="tab">Home</a></li>', ' <li class="nav-item" role="presentation"><a href="#profile" class="nav-link" 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 triggerActive = fixtureEl.querySelector('a.active') const tab = new Tab(triggerActive) triggerActive.addEventListener('shown.bs.tab', () => { throw new Error('should not trigger shown event') }) tab.show() setTimeout(() => { expect().nothing() done() }, 30) }) it('should not fire shown when tab is disabled', done => { fixtureEl.innerHTML = [ '<ul class="nav nav-tabs" role="tablist">', ' <li class="nav-item" role="presentation"><a href="#home" class="nav-link active" role="tab">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') const tab = new Tab(triggerDisabled) triggerDisabled.addEventListener('shown.bs.tab', () => { throw new Error('should not trigger shown event') }) tab.show() setTimeout(() => { expect().nothing() done() }, 30) }) it('show and shown events should reference correct relatedTarget', done => { fixtureEl.innerHTML = [ '<ul class="nav nav-tabs" role="tablist">', ' <li class="nav-item" role="presentation"><a href="#home" class="nav-link active" role="tab">Home</a></li>', ' <li class="nav-item" role="presentation"><a id="triggerProfile" href="#profile" class="nav-link" 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 secondTabTrigger = fixtureEl.querySelector('#triggerProfile') const secondTab = new Tab(secondTabTrigger) secondTabTrigger.addEventListener('show.bs.tab', ev => { expect(ev.relatedTarget.hash).toEqual('#home') }) secondTabTrigger.addEventListener('shown.bs.tab', ev => { expect(ev.relatedTarget.hash).toEqual('#home') expect(secondTabTrigger.getAttribute('aria-selected')).toEqual('true') expect(fixtureEl.querySelector('a:not(.active)').getAttribute('aria-selected')).toEqual('false') done() }) secondTab.show() }) it('should fire hide and hidden events', done => { fixtureEl.innerHTML = [ '<ul class="nav">', ' <li><a href="#home">Home</a></li>', ' <li><a href="#profile">Profile</a></li>', '</ul>' ].join('') const triggerList = fixtureEl.querySelectorAll('a') 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.hash).toEqual('#profile') }) triggerList[0].addEventListener('hidden.bs.tab', ev => { expect(hideCalled).toEqual(true) expect(ev.relatedTarget.hash).toEqual('#profile') done() }) firstTab.show() }) it('should not fire hidden when hide is prevented', done => { fixtureEl.innerHTML = [ '<ul class="nav">', ' <li><a href="#home">Home</a></li>', ' <li><a href="#profile">Profile</a></li>', '</ul>' ].join('') const triggerList = fixtureEl.querySelectorAll('a') const firstTab = new Tab(triggerList[0]) const secondTab = new Tab(triggerList[1]) const expectDone = () => { setTimeout(() => { expect().nothing() done() }, 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', () => { throw new Error('should not trigger hidden') }) firstTab.show() }) it('should handle removed tabs', done => { 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-toggle="tab">', ' <button class="close"><span aria-hidden="true">×</span></button>', ' </a>', ' </li>', ' <li class="nav-item" role="presentation">', ' <a id="secondNav" class="nav-link nav-tab" href="#buzz" role="tab" data-toggle="tab">', ' <button class="close"><span aria-hidden="true">×</span></button>', ' </a>', ' </li>', ' <li class="nav-item" role="presentation">', ' <a class="nav-link nav-tab" href="#references" role="tab" data-toggle="tab">', ' <button id="btnClose" class="close"><span aria-hidden="true">×</span></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').length).toEqual(2) done() }) btnCloseEl.addEventListener('click', () => { const linkEl = btnCloseEl.parentNode const liEl = linkEl.parentNode const tabId = linkEl.getAttribute('href') const tabIdEl = fixtureEl.querySelector(tabId) liEl.parentNode.removeChild(liEl) tabIdEl.parentNode.removeChild(tabIdEl) secondNavTab.show() }) btnCloseEl.click() }) }) describe('dispose', () => { it('should dispose a tab', () => { fixtureEl.innerHTML = '<div></div>' const el = fixtureEl.querySelector('div') const tab = new Tab(fixtureEl.querySelector('div')) expect(Tab.getInstance(el)).not.toBeNull() tab.dispose() expect(Tab.getInstance(el)).toBeNull() }) }) describe('jQueryInterface', () => { it('should create a tab', () => { fixtureEl.innerHTML = '<div></div>' const div = fixtureEl.querySelector('div') jQueryMock.fn.tab = Tab.jQueryInterface jQueryMock.elements = [div] jQueryMock.fn.tab.call(jQueryMock) expect(Tab.getInstance(div)).toBeDefined() }) it('should not re create a tab', () => { fixtureEl.innerHTML = '<div></div>' const div = fixtureEl.querySelector('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></div>' const div = fixtureEl.querySelector('div') const tab = new Tab(div) spyOn(tab, 'show') jQueryMock.fn.tab = Tab.jQueryInterface jQueryMock.elements = [div] jQueryMock.fn.tab.call(jQueryMock, 'show') expect(Tab.getInstance(div)).toEqual(tab) expect(tab.show).toHaveBeenCalled() }) it('should throw error on undefined method', () => { fixtureEl.innerHTML = '<div></div>' const div = fixtureEl.querySelector('div') const action = 'undefinedMethod' jQueryMock.fn.tab = Tab.jQueryInterface jQueryMock.elements = [div] try { jQueryMock.fn.tab.call(jQueryMock, action) } catch (error) { expect(error.message).toEqual(`No method named "${action}"`) } }) }) describe('getInstance', () => { it('should return null if there is no instance', () => { expect(Tab.getInstance(fixtureEl)).toEqual(null) }) it('should return this instance', () => { fixtureEl.innerHTML = '<div></div>' const divEl = fixtureEl.querySelector('div') const tab = new Tab(divEl) expect(Tab.getInstance(divEl)).toEqual(tab) }) }) describe('data-api', () => { it('should create dynamically a tab', done => { fixtureEl.innerHTML = [ '<ul class="nav nav-tabs" role="tablist">', ' <li class="nav-item" role="presentation"><a href="#home" class="nav-link active" role="tab">Home</a></li>', ' <li class="nav-item" role="presentation"><a id="triggerProfile" data-toggle="tab" href="#profile" class="nav-link" 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 secondTabTrigger = fixtureEl.querySelector('#triggerProfile') secondTabTrigger.addEventListener('shown.bs.tab', () => { expect(secondTabTrigger.classList.contains('active')).toEqual(true) expect(fixtureEl.querySelector('#profile').classList.contains('active')).toEqual(true) done() }) 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-toggle="tab">Home</a></li>', ' <li class="nav-item"><a class="nav-link" href="#profile" data-toggle="tab">Profile</a></li>', ' <li class="nav-item dropdown">', ' <a class="nav-link dropdown-toggle active" data-toggle="dropdown" href="#">Dropdown</a>', ' <div class="dropdown-menu">', ' <a class="dropdown-item active" href="#dropdown1" id="dropdown1-tab" data-toggle="tab">@fat</a>', ' <a class="dropdown-item" href="#dropdown2" id="dropdown2-tab" data-toggle="tab">@mdo</a>', ' </div>', ' </li>', '</ul>' ].join('') const firstLiLinkEl = fixtureEl.querySelector('li:first-child a') firstLiLinkEl.click() expect(firstLiLinkEl.classList.contains('active')).toEqual(true) expect(fixtureEl.querySelector('li:last-child a').classList.contains('active')).toEqual(false) expect(fixtureEl.querySelector('li:last-child .dropdown-menu a:first-child').classList.contains('active')).toEqual(false) }) it('should handle nested tabs', done => { fixtureEl.innerHTML = [ '<nav class="nav nav-tabs" role="tablist">', ' <a id="tab1" href="#x-tab1" class="nav-link" data-toggle="tab" role="tab" aria-controls="x-tab1">Tab 1</a>', ' <a href="#x-tab2" class="nav-link active" data-toggle="tab" role="tab" aria-controls="x-tab2" aria-selected="true">Tab 2</a>', ' <a href="#x-tab3" class="nav-link" data-toggle="tab" role="tab" aria-controls="x-tab3">Tab 3</a>', '</nav>', '<div class="tab-content">', ' <div class="tab-pane" id="x-tab1" role="tabpanel">', ' <nav class="nav nav-tabs" role="tablist">', ' <a href="#nested-tab1" class="nav-link active" data-toggle="tab" role="tab" aria-controls="x-tab1" aria-selected="true">Nested Tab 1</a>', ' <a id="tabNested2" href="#nested-tab2" class="nav-link" data-toggle="tab" role="tab" aria-controls="x-profile">Nested Tab2</a>', ' </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.classList.contains('active')).toEqual(true) done() }) tab1El.addEventListener('shown.bs.tab', () => { expect(xTab1El.classList.contains('active')).toEqual(true) tabNested2El.click() }) tab1El.click() }) it('should not remove fade class if no active pane is present', done => { fixtureEl.innerHTML = [ '<ul class="nav nav-tabs" role="tablist">', ' <li class="nav-item" role="presentation"><a id="tab-home" href="#home" class="nav-link" data-toggle="tab" role="tab">Home</a></li>', ' <li class="nav-item" role="presentation"><a id="tab-profile" href="#profile" class="nav-link" data-toggle="tab" role="tab">Profile</a></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') triggerTabProfileEl.addEventListener('shown.bs.tab', () => { expect(tabProfileEl.classList.contains('fade')).toEqual(true) expect(tabProfileEl.classList.contains('show')).toEqual(true) triggerTabHomeEl.addEventListener('shown.bs.tab', () => { expect(tabProfileEl.classList.contains('fade')).toEqual(true) expect(tabProfileEl.classList.contains('show')).toEqual(false) expect(tabHomeEl.classList.contains('fade')).toEqual(true) expect(tabHomeEl.classList.contains('show')).toEqual(true) done() }) triggerTabHomeEl.click() }) triggerTabProfileEl.click() }) it('should not add show class to tab panes if there is no `.fade` class', done => { fixtureEl.innerHTML = [ '<ul class="nav nav-tabs" role="tablist">', ' <li class="nav-item" role="presentation">', ' <a class="nav-link nav-tab" href="#home" role="tab" data-toggle="tab">Home</a>', ' </li>', ' <li class="nav-item" role="presentation">', ' <a id="secondNav" class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">Profile</a>', ' </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('.show').length).toEqual(0) done() }) secondNavEl.click() }) it('should add show class to tab panes if there is a `.fade` class', done => { fixtureEl.innerHTML = [ '<ul class="nav nav-tabs" role="tablist">', ' <li class="nav-item" role="presentation">', ' <a class="nav-link nav-tab" href="#home" role="tab" data-toggle="tab">Home</a>', ' </li>', ' <li class="nav-item" role="presentation">', ' <a id="secondNav" class="nav-link nav-tab" href="#profile" role="tab" data-toggle="tab">Profile</a>', ' </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', () => { expect(fixtureEl.querySelectorAll('.show').length).toEqual(1) done() }) secondNavEl.click() }) }) })