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Rename "js/tests/units" to "js/tests/unit". (#29503)
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XhmikosR
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292
js/tests/unit/button.spec.js
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292
js/tests/unit/button.spec.js
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import Button from '../../src/button'
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import EventHandler from '../../src/dom/event-handler'
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/** Test helpers */
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import {
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getFixture,
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clearFixture,
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createEvent,
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jQueryMock
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} from '../helpers/fixture'
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describe('Button', () => {
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let fixtureEl
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beforeAll(() => {
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fixtureEl = getFixture()
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})
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afterEach(() => {
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clearFixture()
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})
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describe('VERSION', () => {
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it('should return plugin version', () => {
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expect(Button.VERSION).toEqual(jasmine.any(String))
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})
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})
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describe('data-api', () => {
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it('should toggle active class on click', () => {
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fixtureEl.innerHTML = [
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'<button class="btn" data-toggle="button">btn</button>',
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'<button class="btn testParent" data-toggle="button"><div class="test"></div></button>'
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].join('')
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const btn = fixtureEl.querySelector('.btn')
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const divTest = fixtureEl.querySelector('.test')
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const btnTestParent = fixtureEl.querySelector('.testParent')
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expect(btn.classList.contains('active')).toEqual(false)
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btn.click()
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expect(btn.classList.contains('active')).toEqual(true)
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btn.click()
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expect(btn.classList.contains('active')).toEqual(false)
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divTest.click()
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expect(btnTestParent.classList.contains('active')).toEqual(true)
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})
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it('should trigger input change event when toggled button has input field', done => {
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fixtureEl.innerHTML = [
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'<div class="btn-group" data-toggle="buttons">',
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' <label class="btn btn-primary">',
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' <input type="radio" id="radio" autocomplete="off"> Radio',
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' </label>',
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'</div>'
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].join('')
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const input = fixtureEl.querySelector('input')
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const label = fixtureEl.querySelector('label')
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input.addEventListener('change', () => {
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expect().nothing()
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done()
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})
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label.click()
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})
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it('should not trigger input change event when input already checked and button is active', () => {
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fixtureEl.innerHTML = [
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'<button type="button" class="btn btn-primary active" data-toggle="buttons">',
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' <input type="radio" id="radio" autocomplete="off" checked> Radio',
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'</button>'
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].join('')
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const button = fixtureEl.querySelector('button')
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spyOn(EventHandler, 'trigger')
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button.click()
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expect(EventHandler.trigger).not.toHaveBeenCalled()
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})
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it('should remove active when an other radio button is clicked', () => {
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fixtureEl.innerHTML = [
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'<div class="btn-group btn-group-toggle" data-toggle="buttons">',
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' <label class="btn btn-secondary active">',
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' <input type="radio" name="options" id="option1" autocomplete="off" checked> Active',
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' </label>',
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' <label class="btn btn-secondary">',
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' <input type="radio" name="options" id="option2" autocomplete="off"> Radio',
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' </label>',
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' <label class="btn btn-secondary">',
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' <input type="radio" name="options" id="option3" autocomplete="off"> Radio',
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' </label>',
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'</div>'
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].join('')
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const option1 = fixtureEl.querySelector('#option1')
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const option2 = fixtureEl.querySelector('#option2')
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expect(option1.checked).toEqual(true)
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expect(option1.parentElement.classList.contains('active')).toEqual(true)
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const clickEvent = createEvent('click')
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option2.dispatchEvent(clickEvent)
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expect(option1.checked).toEqual(false)
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expect(option1.parentElement.classList.contains('active')).toEqual(false)
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expect(option2.checked).toEqual(true)
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expect(option2.parentElement.classList.contains('active')).toEqual(true)
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})
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it('should do nothing if the child is not an input', () => {
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fixtureEl.innerHTML = [
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'<div class="btn-group btn-group-toggle" data-toggle="buttons">',
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' <label class="btn btn-secondary active">',
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' <span id="option1">el 1</span>',
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' </label>',
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' <label class="btn btn-secondary">',
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' <span id="option2">el 2</span>',
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' </label>',
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' <label class="btn btn-secondary">',
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' <span>el 3</span>',
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' </label>',
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'</div>'
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].join('')
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const option2 = fixtureEl.querySelector('#option2')
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const clickEvent = createEvent('click')
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option2.dispatchEvent(clickEvent)
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expect().nothing()
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})
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it('should add focus class on focus event', () => {
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fixtureEl.innerHTML = '<button class="btn" data-toggle="button"><input type="text" /></button>'
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const btn = fixtureEl.querySelector('.btn')
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const input = fixtureEl.querySelector('input')
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const focusEvent = createEvent('focus')
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input.dispatchEvent(focusEvent)
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expect(btn.classList.contains('focus')).toEqual(true)
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})
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it('should not add focus class', () => {
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fixtureEl.innerHTML = '<button data-toggle="button"><input type="text" /></button>'
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const btn = fixtureEl.querySelector('button')
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const input = fixtureEl.querySelector('input')
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const focusEvent = createEvent('focus')
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input.dispatchEvent(focusEvent)
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expect(btn.classList.contains('focus')).toEqual(false)
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})
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it('should remove focus class on blur event', () => {
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fixtureEl.innerHTML = '<button class="btn focus" data-toggle="button"><input type="text" /></button>'
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const btn = fixtureEl.querySelector('.btn')
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const input = fixtureEl.querySelector('input')
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const focusEvent = createEvent('blur')
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input.dispatchEvent(focusEvent)
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expect(btn.classList.contains('focus')).toEqual(false)
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})
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it('should not remove focus class on blur event', () => {
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fixtureEl.innerHTML = '<button class="focus" data-toggle="button"><input type="text" /></button>'
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const btn = fixtureEl.querySelector('button')
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const input = fixtureEl.querySelector('input')
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const focusEvent = createEvent('blur')
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input.dispatchEvent(focusEvent)
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expect(btn.classList.contains('focus')).toEqual(true)
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})
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})
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describe('toggle', () => {
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it('should toggle aria-pressed', () => {
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fixtureEl.innerHTML = '<button class="btn" data-toggle="button" aria-pressed="false"></button>'
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const btnEl = fixtureEl.querySelector('.btn')
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const button = new Button(btnEl)
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expect(btnEl.getAttribute('aria-pressed')).toEqual('false')
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expect(btnEl.classList.contains('active')).toEqual(false)
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button.toggle()
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expect(btnEl.getAttribute('aria-pressed')).toEqual('true')
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expect(btnEl.classList.contains('active')).toEqual(true)
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})
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it('should handle disabled attribute on non-button elements', () => {
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fixtureEl.innerHTML = [
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'<div class="btn-group disabled" data-toggle="buttons" aria-disabled="true" disabled>',
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' <label class="btn btn-danger disabled" aria-disabled="true" disabled>',
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' <input type="checkbox" aria-disabled="true" autocomplete="off" disabled class="disabled"/>',
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' </label>',
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'</div>'
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].join('')
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const btnGroupEl = fixtureEl.querySelector('.btn-group')
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const btnDanger = fixtureEl.querySelector('.btn-danger')
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const input = fixtureEl.querySelector('input')
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const button = new Button(btnGroupEl)
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button.toggle()
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expect(btnDanger.hasAttribute('disabled')).toEqual(true)
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expect(input.checked).toEqual(false)
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})
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})
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describe('dispose', () => {
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it('should dispose a button', () => {
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fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
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const btnEl = fixtureEl.querySelector('.btn')
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const button = new Button(btnEl)
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expect(Button.getInstance(btnEl)).toBeDefined()
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button.dispose()
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expect(Button.getInstance(btnEl)).toBeNull()
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})
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})
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describe('jQueryInterface', () => {
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it('should handle config passed and toggle existing button', () => {
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fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
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const btnEl = fixtureEl.querySelector('.btn')
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const button = new Button(btnEl)
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spyOn(button, 'toggle')
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jQueryMock.fn.button = Button.jQueryInterface
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jQueryMock.elements = [btnEl]
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jQueryMock.fn.button.call(jQueryMock, 'toggle')
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expect(button.toggle).toHaveBeenCalled()
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})
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it('should create new button instance and call toggle', () => {
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fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
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const btnEl = fixtureEl.querySelector('.btn')
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jQueryMock.fn.button = Button.jQueryInterface
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jQueryMock.elements = [btnEl]
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jQueryMock.fn.button.call(jQueryMock, 'toggle')
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expect(Button.getInstance(btnEl)).toBeDefined()
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expect(btnEl.classList.contains('active')).toEqual(true)
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})
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it('should just create a button instance without calling toggle', () => {
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fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
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const btnEl = fixtureEl.querySelector('.btn')
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jQueryMock.fn.button = Button.jQueryInterface
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jQueryMock.elements = [btnEl]
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jQueryMock.fn.button.call(jQueryMock)
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expect(Button.getInstance(btnEl)).toBeDefined()
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expect(btnEl.classList.contains('active')).toEqual(false)
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})
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})
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})
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