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Bootstrap/js/tests/unit/util/backdrop.spec.js
XhmikosR 6d707f4801
Enable a few eslint-config-xo rules (#34620)
* unicorn/prefer-dom-node-append
* unicorn/prefer-dom-node-remove
2021-07-30 00:23:00 +02:00

293 lines
8.0 KiB
JavaScript

import Backdrop from '../../../src/util/backdrop'
import { getTransitionDurationFromElement } from '../../../src/util/index'
import { clearFixture, getFixture } from '../../helpers/fixture'
const CLASS_BACKDROP = '.modal-backdrop'
const CLASS_NAME_FADE = 'fade'
const CLASS_NAME_SHOW = 'show'
describe('Backdrop', () => {
let fixtureEl
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
clearFixture()
const list = document.querySelectorAll(CLASS_BACKDROP)
list.forEach(el => {
el.remove()
})
})
describe('show', () => {
it('if it is "shown", should append the backdrop html once, on show, and contain "show" class', done => {
const instance = new Backdrop({
isVisible: true,
isAnimated: false
})
const getElements = () => document.querySelectorAll(CLASS_BACKDROP)
expect(getElements().length).toEqual(0)
instance.show()
instance.show(() => {
expect(getElements().length).toEqual(1)
getElements().forEach(el => {
expect(el.classList.contains(CLASS_NAME_SHOW)).toEqual(true)
})
done()
})
})
it('if it is not "shown", should not append the backdrop html', done => {
const instance = new Backdrop({
isVisible: false,
isAnimated: true
})
const getElements = () => document.querySelectorAll(CLASS_BACKDROP)
expect(getElements().length).toEqual(0)
instance.show(() => {
expect(getElements().length).toEqual(0)
done()
})
})
it('if it is "shown" and "animated", should append the backdrop html once, and contain "fade" class', done => {
const instance = new Backdrop({
isVisible: true,
isAnimated: true
})
const getElements = () => document.querySelectorAll(CLASS_BACKDROP)
expect(getElements().length).toEqual(0)
instance.show(() => {
expect(getElements().length).toEqual(1)
getElements().forEach(el => {
expect(el.classList.contains(CLASS_NAME_FADE)).toEqual(true)
})
done()
})
})
})
describe('hide', () => {
it('should remove the backdrop html', done => {
const instance = new Backdrop({
isVisible: true,
isAnimated: true
})
const getElements = () => document.body.querySelectorAll(CLASS_BACKDROP)
expect(getElements().length).toEqual(0)
instance.show(() => {
expect(getElements().length).toEqual(1)
instance.hide(() => {
expect(getElements().length).toEqual(0)
done()
})
})
})
it('should remove "show" class', done => {
const instance = new Backdrop({
isVisible: true,
isAnimated: true
})
const elem = instance._getElement()
instance.show()
instance.hide(() => {
expect(elem.classList.contains(CLASS_NAME_SHOW)).toEqual(false)
done()
})
})
it('if it is not "shown", should not try to remove Node on remove method', done => {
const instance = new Backdrop({
isVisible: false,
isAnimated: true
})
const getElements = () => document.querySelectorAll(CLASS_BACKDROP)
const spy = spyOn(instance, 'dispose').and.callThrough()
expect(getElements().length).toEqual(0)
expect(instance._isAppended).toEqual(false)
instance.show(() => {
instance.hide(() => {
expect(getElements().length).toEqual(0)
expect(spy).not.toHaveBeenCalled()
expect(instance._isAppended).toEqual(false)
done()
})
})
})
it('should not error if the backdrop no longer has a parent', done => {
fixtureEl.innerHTML = '<div id="wrapper"></div>'
const wrapper = fixtureEl.querySelector('#wrapper')
const instance = new Backdrop({
isVisible: true,
isAnimated: true,
rootElement: wrapper
})
const getElements = () => document.querySelectorAll(CLASS_BACKDROP)
instance.show(() => {
wrapper.remove()
instance.hide(() => {
expect(getElements().length).toEqual(0)
done()
})
})
})
})
describe('click callback', () => {
it('it should execute callback on click', done => {
const spy = jasmine.createSpy('spy')
const instance = new Backdrop({
isVisible: true,
isAnimated: false,
clickCallback: () => spy()
})
const endTest = () => {
setTimeout(() => {
expect(spy).toHaveBeenCalled()
done()
}, 10)
}
instance.show(() => {
const clickEvent = document.createEvent('MouseEvents')
clickEvent.initEvent('mousedown', true, true)
document.querySelector(CLASS_BACKDROP).dispatchEvent(clickEvent)
endTest()
})
})
})
describe('animation callbacks', () => {
it('if it is animated, should show and hide backdrop after counting transition duration', done => {
const instance = new Backdrop({
isVisible: true,
isAnimated: true
})
const spy2 = jasmine.createSpy('spy2')
const execDone = () => {
setTimeout(() => {
expect(spy2).toHaveBeenCalledTimes(2)
done()
}, 10)
}
instance.show(spy2)
instance.hide(() => {
spy2()
execDone()
})
expect(spy2).not.toHaveBeenCalled()
})
it('if it is not animated, should show and hide backdrop without delay', done => {
const spy = jasmine.createSpy('spy', getTransitionDurationFromElement)
const instance = new Backdrop({
isVisible: true,
isAnimated: false
})
const spy2 = jasmine.createSpy('spy2')
instance.show(spy2)
instance.hide(spy2)
setTimeout(() => {
expect(spy2).toHaveBeenCalled()
expect(spy).not.toHaveBeenCalled()
done()
}, 10)
})
it('if it is not "shown", should not call delay callbacks', done => {
const instance = new Backdrop({
isVisible: false,
isAnimated: true
})
const spy = jasmine.createSpy('spy', getTransitionDurationFromElement)
instance.show()
instance.hide(() => {
expect(spy).not.toHaveBeenCalled()
done()
})
})
})
describe('Config', () => {
describe('rootElement initialization', () => {
it('Should be appended on "document.body" by default', done => {
const instance = new Backdrop({
isVisible: true
})
const getElement = () => document.querySelector(CLASS_BACKDROP)
instance.show(() => {
expect(getElement().parentElement).toEqual(document.body)
done()
})
})
it('Should find the rootElement if passed as a string', done => {
const instance = new Backdrop({
isVisible: true,
rootElement: 'body'
})
const getElement = () => document.querySelector(CLASS_BACKDROP)
instance.show(() => {
expect(getElement().parentElement).toEqual(document.body)
done()
})
})
it('Should appended on any element given by the proper config', done => {
fixtureEl.innerHTML = [
'<div id="wrapper">',
'</div>'
].join('')
const wrapper = fixtureEl.querySelector('#wrapper')
const instance = new Backdrop({
isVisible: true,
rootElement: wrapper
})
const getElement = () => document.querySelector(CLASS_BACKDROP)
instance.show(() => {
expect(getElement().parentElement).toEqual(wrapper)
done()
})
})
})
describe('ClassName', () => {
it('Should be able to have different classNames than default', done => {
const instance = new Backdrop({
isVisible: true,
className: 'foo'
})
const getElement = () => document.querySelector('.foo')
instance.show(() => {
expect(getElement()).toEqual(instance._getElement())
instance.dispose()
done()
})
})
})
})
})