mirror of
https://github.com/tenrok/bootstrap.git
synced 2026-06-08 17:22:31 +03:00
rewrite button unit tests
This commit is contained in:
Johann-S
@@ -0,0 +1,200 @@
|
||||
/**
|
||||
* --------------------------------------------------------------------------
|
||||
* Bootstrap (v4.3.1): button.js
|
||||
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
|
||||
* --------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
import { jQuery as $ } from '../util/index'
|
||||
import Data from '../dom/data'
|
||||
import EventHandler from '../dom/event-handler'
|
||||
import SelectorEngine from '../dom/selector-engine'
|
||||
|
||||
/**
|
||||
* ------------------------------------------------------------------------
|
||||
* Constants
|
||||
* ------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
const NAME = 'button'
|
||||
const VERSION = '4.3.1'
|
||||
const DATA_KEY = 'bs.button'
|
||||
const EVENT_KEY = `.${DATA_KEY}`
|
||||
const DATA_API_KEY = '.data-api'
|
||||
|
||||
const ClassName = {
|
||||
ACTIVE: 'active',
|
||||
BUTTON: 'btn',
|
||||
FOCUS: 'focus'
|
||||
}
|
||||
|
||||
const Selector = {
|
||||
DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
|
||||
DATA_TOGGLE: '[data-toggle="buttons"]',
|
||||
INPUT: 'input:not([type="hidden"])',
|
||||
ACTIVE: '.active',
|
||||
BUTTON: '.btn'
|
||||
}
|
||||
|
||||
const Event = {
|
||||
CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`,
|
||||
FOCUS_DATA_API: `focus${EVENT_KEY}${DATA_API_KEY}`,
|
||||
BLUR_DATA_API: `blur${EVENT_KEY}${DATA_API_KEY}`
|
||||
}
|
||||
|
||||
/**
|
||||
* ------------------------------------------------------------------------
|
||||
* Class Definition
|
||||
* ------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
class Button {
|
||||
constructor(element) {
|
||||
this._element = element
|
||||
Data.setData(element, DATA_KEY, this)
|
||||
}
|
||||
|
||||
// Getters
|
||||
|
||||
static get VERSION() {
|
||||
return VERSION
|
||||
}
|
||||
|
||||
// Public
|
||||
|
||||
toggle() {
|
||||
let triggerChangeEvent = true
|
||||
let addAriaPressed = true
|
||||
|
||||
const rootElement = SelectorEngine.closest(
|
||||
this._element,
|
||||
Selector.DATA_TOGGLE
|
||||
)
|
||||
|
||||
if (rootElement) {
|
||||
const input = SelectorEngine.findOne(Selector.INPUT, this._element)
|
||||
|
||||
if (input) {
|
||||
if (input.type === 'radio') {
|
||||
if (input.checked &&
|
||||
this._element.classList.contains(ClassName.ACTIVE)) {
|
||||
triggerChangeEvent = false
|
||||
} else {
|
||||
const activeElement = SelectorEngine.findOne(Selector.ACTIVE, rootElement)
|
||||
|
||||
if (activeElement) {
|
||||
activeElement.classList.remove(ClassName.ACTIVE)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (triggerChangeEvent) {
|
||||
if (input.hasAttribute('disabled') ||
|
||||
rootElement.hasAttribute('disabled') ||
|
||||
input.classList.contains('disabled') ||
|
||||
rootElement.classList.contains('disabled')) {
|
||||
return
|
||||
}
|
||||
|
||||
input.checked = !this._element.classList.contains(ClassName.ACTIVE)
|
||||
EventHandler.trigger(input, 'change')
|
||||
}
|
||||
|
||||
input.focus()
|
||||
addAriaPressed = false
|
||||
}
|
||||
}
|
||||
|
||||
if (addAriaPressed) {
|
||||
this._element.setAttribute('aria-pressed',
|
||||
!this._element.classList.contains(ClassName.ACTIVE))
|
||||
}
|
||||
|
||||
if (triggerChangeEvent) {
|
||||
this._element.classList.toggle(ClassName.ACTIVE)
|
||||
}
|
||||
}
|
||||
|
||||
dispose() {
|
||||
Data.removeData(this._element, DATA_KEY)
|
||||
this._element = null
|
||||
}
|
||||
|
||||
// Static
|
||||
|
||||
static _jQueryInterface(config) {
|
||||
return this.each(function () {
|
||||
let data = Data.getData(this, DATA_KEY)
|
||||
|
||||
if (!data) {
|
||||
data = new Button(this)
|
||||
}
|
||||
|
||||
if (config === 'toggle') {
|
||||
data[config]()
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
static _getInstance(element) {
|
||||
return Data.getData(element, DATA_KEY)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* ------------------------------------------------------------------------
|
||||
* Data Api implementation
|
||||
* ------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
EventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, event => {
|
||||
event.preventDefault()
|
||||
|
||||
let button = event.target
|
||||
if (!button.classList.contains(ClassName.BUTTON)) {
|
||||
button = SelectorEngine.closest(button, Selector.BUTTON)
|
||||
}
|
||||
|
||||
let data = Data.getData(button, DATA_KEY)
|
||||
if (!data) {
|
||||
data = new Button(button)
|
||||
}
|
||||
|
||||
data.toggle()
|
||||
})
|
||||
|
||||
EventHandler.on(document, Event.FOCUS_DATA_API, Selector.DATA_TOGGLE_CARROT, event => {
|
||||
const button = SelectorEngine.closest(event.target, Selector.BUTTON)
|
||||
|
||||
if (button) {
|
||||
button.classList.add(ClassName.FOCUS)
|
||||
}
|
||||
})
|
||||
|
||||
EventHandler.on(document, Event.BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, event => {
|
||||
const button = SelectorEngine.closest(event.target, Selector.BUTTON)
|
||||
|
||||
if (button) {
|
||||
button.classList.remove(ClassName.FOCUS)
|
||||
}
|
||||
})
|
||||
|
||||
/**
|
||||
* ------------------------------------------------------------------------
|
||||
* jQuery
|
||||
* ------------------------------------------------------------------------
|
||||
* add .button to jQuery only if jQuery is present
|
||||
*/
|
||||
/* istanbul ignore if */
|
||||
if (typeof $ !== 'undefined') {
|
||||
const JQUERY_NO_CONFLICT = $.fn[NAME]
|
||||
$.fn[NAME] = Button._jQueryInterface
|
||||
$.fn[NAME].Constructor = Button
|
||||
|
||||
$.fn[NAME].noConflict = () => {
|
||||
$.fn[NAME] = JQUERY_NO_CONFLICT
|
||||
return Button._jQueryInterface
|
||||
}
|
||||
}
|
||||
|
||||
export default Button
|
||||
@@ -0,0 +1,292 @@
|
||||
import Button from './button'
|
||||
import EventHandler from '../dom/event-handler'
|
||||
|
||||
/** Test helpers */
|
||||
import {
|
||||
getFixture,
|
||||
clearFixture,
|
||||
createEvent,
|
||||
jQueryMock
|
||||
} from '../../tests/helpers/fixture'
|
||||
|
||||
describe('Button', () => {
|
||||
let fixtureEl
|
||||
|
||||
beforeAll(() => {
|
||||
fixtureEl = getFixture()
|
||||
})
|
||||
|
||||
afterEach(() => {
|
||||
clearFixture()
|
||||
})
|
||||
|
||||
describe('VERSION', () => {
|
||||
it('should return plugin version', () => {
|
||||
expect(Button.VERSION).toEqual(jasmine.any(String))
|
||||
})
|
||||
})
|
||||
|
||||
describe('data-api', () => {
|
||||
it('should toggle active class on click', () => {
|
||||
fixtureEl.innerHTML = [
|
||||
'<button class="btn" data-toggle="button">btn</button>',
|
||||
'<button class="btn testParent" data-toggle="button"><div class="test"></div></button>'
|
||||
].join('')
|
||||
|
||||
const btn = fixtureEl.querySelector('.btn')
|
||||
const divTest = fixtureEl.querySelector('.test')
|
||||
const btnTestParent = fixtureEl.querySelector('.testParent')
|
||||
|
||||
expect(btn.classList.contains('active')).toEqual(false)
|
||||
|
||||
btn.click()
|
||||
|
||||
expect(btn.classList.contains('active')).toEqual(true)
|
||||
|
||||
btn.click()
|
||||
|
||||
expect(btn.classList.contains('active')).toEqual(false)
|
||||
|
||||
divTest.click()
|
||||
|
||||
expect(btnTestParent.classList.contains('active')).toEqual(true)
|
||||
})
|
||||
|
||||
it('should trigger input change event when toggled button has input field', done => {
|
||||
fixtureEl.innerHTML = [
|
||||
'<div class="btn-group" data-toggle="buttons">',
|
||||
' <label class="btn btn-primary">',
|
||||
' <input type="radio" id="radio" autocomplete="off"> Radio',
|
||||
' </label>',
|
||||
'</div>'
|
||||
].join('')
|
||||
|
||||
const input = fixtureEl.querySelector('input')
|
||||
const label = fixtureEl.querySelector('label')
|
||||
|
||||
input.addEventListener('change', () => {
|
||||
expect().nothing()
|
||||
done()
|
||||
})
|
||||
|
||||
label.click()
|
||||
})
|
||||
|
||||
it('should not trigger input change event when input already checked and button is active', () => {
|
||||
fixtureEl.innerHTML = [
|
||||
'<button type="button" class="btn btn-primary active" data-toggle="buttons">',
|
||||
' <input type="radio" id="radio" autocomplete="off" checked> Radio',
|
||||
'</button>'
|
||||
].join('')
|
||||
|
||||
const button = fixtureEl.querySelector('button')
|
||||
|
||||
spyOn(EventHandler, 'trigger')
|
||||
|
||||
button.click()
|
||||
|
||||
expect(EventHandler.trigger).not.toHaveBeenCalled()
|
||||
})
|
||||
|
||||
it('should remove active when an other radio button is clicked', () => {
|
||||
fixtureEl.innerHTML = [
|
||||
'<div class="btn-group btn-group-toggle" data-toggle="buttons">',
|
||||
' <label class="btn btn-secondary active">',
|
||||
' <input type="radio" name="options" id="option1" autocomplete="off" checked> Active',
|
||||
' </label>',
|
||||
' <label class="btn btn-secondary">',
|
||||
' <input type="radio" name="options" id="option2" autocomplete="off"> Radio',
|
||||
' </label>',
|
||||
' <label class="btn btn-secondary">',
|
||||
' <input type="radio" name="options" id="option3" autocomplete="off"> Radio',
|
||||
' </label>',
|
||||
'</div>'
|
||||
].join('')
|
||||
|
||||
const option1 = fixtureEl.querySelector('#option1')
|
||||
const option2 = fixtureEl.querySelector('#option2')
|
||||
|
||||
expect(option1.checked).toEqual(true)
|
||||
expect(option1.parentElement.classList.contains('active')).toEqual(true)
|
||||
|
||||
const clickEvent = createEvent('click')
|
||||
|
||||
option2.dispatchEvent(clickEvent)
|
||||
|
||||
expect(option1.checked).toEqual(false)
|
||||
expect(option1.parentElement.classList.contains('active')).toEqual(false)
|
||||
expect(option2.checked).toEqual(true)
|
||||
expect(option2.parentElement.classList.contains('active')).toEqual(true)
|
||||
})
|
||||
|
||||
it('should do nothing if the child is not an input', () => {
|
||||
fixtureEl.innerHTML = [
|
||||
'<div class="btn-group btn-group-toggle" data-toggle="buttons">',
|
||||
' <label class="btn btn-secondary active">',
|
||||
' <span id="option1">el 1</span>',
|
||||
' </label>',
|
||||
' <label class="btn btn-secondary">',
|
||||
' <span id="option2">el 2</span>',
|
||||
' </label>',
|
||||
' <label class="btn btn-secondary">',
|
||||
' <span>el 3</span>',
|
||||
' </label>',
|
||||
'</div>'
|
||||
].join('')
|
||||
|
||||
const option2 = fixtureEl.querySelector('#option2')
|
||||
const clickEvent = createEvent('click')
|
||||
|
||||
option2.dispatchEvent(clickEvent)
|
||||
|
||||
expect().nothing()
|
||||
})
|
||||
|
||||
it('should add focus class on focus event', () => {
|
||||
fixtureEl.innerHTML = '<button class="btn" data-toggle="button"><input type="text" /></button>'
|
||||
|
||||
const btn = fixtureEl.querySelector('.btn')
|
||||
const input = fixtureEl.querySelector('input')
|
||||
|
||||
const focusEvent = createEvent('focus')
|
||||
input.dispatchEvent(focusEvent)
|
||||
|
||||
expect(btn.classList.contains('focus')).toEqual(true)
|
||||
})
|
||||
|
||||
it('should not add focus class', () => {
|
||||
fixtureEl.innerHTML = '<button data-toggle="button"><input type="text" /></button>'
|
||||
|
||||
const btn = fixtureEl.querySelector('button')
|
||||
const input = fixtureEl.querySelector('input')
|
||||
|
||||
const focusEvent = createEvent('focus')
|
||||
input.dispatchEvent(focusEvent)
|
||||
|
||||
expect(btn.classList.contains('focus')).toEqual(false)
|
||||
})
|
||||
|
||||
it('should remove focus class on blur event', () => {
|
||||
fixtureEl.innerHTML = '<button class="btn focus" data-toggle="button"><input type="text" /></button>'
|
||||
|
||||
const btn = fixtureEl.querySelector('.btn')
|
||||
const input = fixtureEl.querySelector('input')
|
||||
|
||||
const focusEvent = createEvent('blur')
|
||||
input.dispatchEvent(focusEvent)
|
||||
|
||||
expect(btn.classList.contains('focus')).toEqual(false)
|
||||
})
|
||||
|
||||
it('should not remove focus class on blur event', () => {
|
||||
fixtureEl.innerHTML = '<button class="focus" data-toggle="button"><input type="text" /></button>'
|
||||
|
||||
const btn = fixtureEl.querySelector('button')
|
||||
const input = fixtureEl.querySelector('input')
|
||||
|
||||
const focusEvent = createEvent('blur')
|
||||
input.dispatchEvent(focusEvent)
|
||||
|
||||
expect(btn.classList.contains('focus')).toEqual(true)
|
||||
})
|
||||
})
|
||||
|
||||
describe('toggle', () => {
|
||||
it('should toggle aria-pressed', () => {
|
||||
fixtureEl.innerHTML = '<button class="btn" data-toggle="button" aria-pressed="false"></button>'
|
||||
|
||||
const btnEl = fixtureEl.querySelector('.btn')
|
||||
const button = new Button(btnEl)
|
||||
|
||||
expect(btnEl.getAttribute('aria-pressed')).toEqual('false')
|
||||
expect(btnEl.classList.contains('active')).toEqual(false)
|
||||
|
||||
button.toggle()
|
||||
|
||||
expect(btnEl.getAttribute('aria-pressed')).toEqual('true')
|
||||
expect(btnEl.classList.contains('active')).toEqual(true)
|
||||
})
|
||||
|
||||
it('should handle disabled attribute on non-button elements', () => {
|
||||
fixtureEl.innerHTML = [
|
||||
'<div class="btn-group disabled" data-toggle="buttons" aria-disabled="true" disabled>',
|
||||
' <label class="btn btn-danger disabled" aria-disabled="true" disabled>',
|
||||
' <input type="checkbox" aria-disabled="true" autocomplete="off" disabled class="disabled"/>',
|
||||
' </label>',
|
||||
'</div>'
|
||||
].join('')
|
||||
|
||||
const btnGroupEl = fixtureEl.querySelector('.btn-group')
|
||||
const btnDanger = fixtureEl.querySelector('.btn-danger')
|
||||
const input = fixtureEl.querySelector('input')
|
||||
|
||||
const button = new Button(btnGroupEl)
|
||||
|
||||
button.toggle()
|
||||
|
||||
expect(btnDanger.hasAttribute('disabled')).toEqual(true)
|
||||
expect(input.checked).toEqual(false)
|
||||
})
|
||||
})
|
||||
|
||||
describe('dispose', () => {
|
||||
it('should dispose a button', () => {
|
||||
fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
|
||||
|
||||
const btnEl = fixtureEl.querySelector('.btn')
|
||||
const button = new Button(btnEl)
|
||||
|
||||
expect(Button._getInstance(btnEl)).toBeDefined()
|
||||
|
||||
button.dispose()
|
||||
|
||||
expect(Button._getInstance(btnEl)).toBeNull()
|
||||
})
|
||||
})
|
||||
|
||||
describe('_jQueryInterface', () => {
|
||||
it('should handle config passed and toggle existing button', () => {
|
||||
fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
|
||||
|
||||
const btnEl = fixtureEl.querySelector('.btn')
|
||||
const button = new Button(btnEl)
|
||||
|
||||
spyOn(button, 'toggle')
|
||||
|
||||
jQueryMock.fn.button = Button._jQueryInterface
|
||||
jQueryMock.elements = [btnEl]
|
||||
|
||||
jQueryMock.fn.button.call(jQueryMock, 'toggle')
|
||||
|
||||
expect(button.toggle).toHaveBeenCalled()
|
||||
})
|
||||
|
||||
it('should create new button instance and call toggle', () => {
|
||||
fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
|
||||
|
||||
const btnEl = fixtureEl.querySelector('.btn')
|
||||
|
||||
jQueryMock.fn.button = Button._jQueryInterface
|
||||
jQueryMock.elements = [btnEl]
|
||||
|
||||
jQueryMock.fn.button.call(jQueryMock, 'toggle')
|
||||
|
||||
expect(Button._getInstance(btnEl)).toBeDefined()
|
||||
expect(btnEl.classList.contains('active')).toEqual(true)
|
||||
})
|
||||
|
||||
it('should just create a button instance without calling toggle', () => {
|
||||
fixtureEl.innerHTML = '<button class="btn" data-toggle="button"></button>'
|
||||
|
||||
const btnEl = fixtureEl.querySelector('.btn')
|
||||
|
||||
jQueryMock.fn.button = Button._jQueryInterface
|
||||
jQueryMock.elements = [btnEl]
|
||||
|
||||
jQueryMock.fn.button.call(jQueryMock)
|
||||
|
||||
expect(Button._getInstance(btnEl)).toBeDefined()
|
||||
expect(btnEl.classList.contains('active')).toEqual(false)
|
||||
})
|
||||
})
|
||||
})
|
||||
Reference in New Issue
Block a user