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Rename "js/tests/units" to "js/tests/unit". (#29503)
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XhmikosR
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382
js/tests/unit/util/index.spec.js
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382
js/tests/unit/util/index.spec.js
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import * as Util from '../../../src/util/index'
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/** Test helpers */
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import { getFixture, clearFixture } from '../../helpers/fixture'
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describe('Util', () => {
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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('getUID', () => {
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it('should generate uid', () => {
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const uid = Util.getUID('bs')
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const uid2 = Util.getUID('bs')
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expect(uid).not.toEqual(uid2)
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})
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})
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describe('getSelectorFromElement', () => {
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it('should get selector from data-target', () => {
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fixtureEl.innerHTML = [
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'<div id="test" data-target=".target"></div>',
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'<div class="target"></div>'
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].join('')
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const testEl = fixtureEl.querySelector('#test')
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expect(Util.getSelectorFromElement(testEl)).toEqual('.target')
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})
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it('should get selector from href if no data-target set', () => {
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fixtureEl.innerHTML = [
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'<a id="test" href=".target"></a>',
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'<div class="target"></div>'
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].join('')
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const testEl = fixtureEl.querySelector('#test')
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expect(Util.getSelectorFromElement(testEl)).toEqual('.target')
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})
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it('should get selector from href if data-target equal to #', () => {
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fixtureEl.innerHTML = [
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'<a id="test" data-target="#" href=".target"></a>',
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'<div class="target"></div>'
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].join('')
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const testEl = fixtureEl.querySelector('#test')
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expect(Util.getSelectorFromElement(testEl)).toEqual('.target')
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})
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it('should return null if selector not found', () => {
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fixtureEl.innerHTML = '<a id="test" href=".target"></a>'
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const testEl = fixtureEl.querySelector('#test')
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expect(Util.getSelectorFromElement(testEl)).toBeNull()
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})
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it('should return null if no selector', () => {
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fixtureEl.innerHTML = '<div></div>'
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const testEl = fixtureEl.querySelector('div')
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expect(Util.getSelectorFromElement(testEl)).toBeNull()
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})
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})
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describe('getElementFromSelector', () => {
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it('should get element from data-target', () => {
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fixtureEl.innerHTML = [
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'<div id="test" data-target=".target"></div>',
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'<div class="target"></div>'
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].join('')
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const testEl = fixtureEl.querySelector('#test')
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expect(Util.getElementFromSelector(testEl)).toEqual(fixtureEl.querySelector('.target'))
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})
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it('should get element from href if no data-target set', () => {
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fixtureEl.innerHTML = [
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'<a id="test" href=".target"></a>',
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'<div class="target"></div>'
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].join('')
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const testEl = fixtureEl.querySelector('#test')
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expect(Util.getElementFromSelector(testEl)).toEqual(fixtureEl.querySelector('.target'))
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})
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it('should return null if element not found', () => {
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fixtureEl.innerHTML = '<a id="test" href=".target"></a>'
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const testEl = fixtureEl.querySelector('#test')
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expect(Util.getElementFromSelector(testEl)).toBeNull()
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})
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it('should return null if no selector', () => {
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fixtureEl.innerHTML = '<div></div>'
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const testEl = fixtureEl.querySelector('div')
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expect(Util.getElementFromSelector(testEl)).toBeNull()
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})
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})
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describe('getTransitionDurationFromElement', () => {
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it('should get transition from element', () => {
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fixtureEl.innerHTML = '<div style="transition: all 300ms ease-out;"></div>'
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expect(Util.getTransitionDurationFromElement(fixtureEl.querySelector('div'))).toEqual(300)
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})
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it('should return 0 if the element is undefined or null', () => {
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expect(Util.getTransitionDurationFromElement(null)).toEqual(0)
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expect(Util.getTransitionDurationFromElement(undefined)).toEqual(0)
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})
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it('should return 0 if the element do not possess transition', () => {
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fixtureEl.innerHTML = '<div></div>'
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expect(Util.getTransitionDurationFromElement(fixtureEl.querySelector('div'))).toEqual(0)
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})
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})
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describe('triggerTransitionEnd', () => {
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it('should trigger transitionend event', done => {
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fixtureEl.innerHTML = '<div style="transition: all 300ms ease-out;"></div>'
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const el = fixtureEl.querySelector('div')
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el.addEventListener('transitionend', () => {
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expect().nothing()
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done()
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})
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Util.triggerTransitionEnd(el)
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})
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})
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describe('isElement', () => {
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it('should detect if the parameter is an element or not', () => {
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fixtureEl.innerHTML = '<div></div>'
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const el = document.querySelector('div')
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expect(Util.isElement(el)).toEqual(el.nodeType)
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expect(Util.isElement({})).toEqual(undefined)
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})
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it('should detect jQuery element', () => {
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fixtureEl.innerHTML = '<div></div>'
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const el = document.querySelector('div')
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const fakejQuery = {
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0: el
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}
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expect(Util.isElement(fakejQuery)).toEqual(el.nodeType)
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})
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})
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describe('emulateTransitionEnd', () => {
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it('should emulate transition end', () => {
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fixtureEl.innerHTML = '<div></div>'
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const el = document.querySelector('div')
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const spy = spyOn(window, 'setTimeout')
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Util.emulateTransitionEnd(el, 10)
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expect(spy).toHaveBeenCalled()
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})
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it('should not emulate transition end if already triggered', done => {
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fixtureEl.innerHTML = '<div></div>'
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const el = fixtureEl.querySelector('div')
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const spy = spyOn(el, 'removeEventListener')
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Util.emulateTransitionEnd(el, 10)
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Util.triggerTransitionEnd(el)
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setTimeout(() => {
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expect(spy).toHaveBeenCalled()
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done()
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}, 20)
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})
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})
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describe('typeCheckConfig', () => {
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it('should check type of the config object', () => {
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const namePlugin = 'collapse'
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const defaultType = {
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toggle: 'boolean',
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parent: '(string|element)'
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}
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const config = {
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toggle: true,
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parent: 777
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}
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expect(() => {
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Util.typeCheckConfig(namePlugin, config, defaultType)
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}).toThrow(new Error('COLLAPSE: Option "parent" provided type "number" but expected type "(string|element)".'))
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})
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})
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describe('makeArray', () => {
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it('should convert node list to array', () => {
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const nodeList = document.querySelectorAll('div')
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expect(Array.isArray(nodeList)).toEqual(false)
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expect(Array.isArray(Util.makeArray(nodeList))).toEqual(true)
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})
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it('should return an empty array if the nodeList is undefined', () => {
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expect(Util.makeArray(null)).toEqual([])
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expect(Util.makeArray(undefined)).toEqual([])
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})
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})
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describe('isVisible', () => {
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it('should return false if the element is not defined', () => {
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expect(Util.isVisible(null)).toEqual(false)
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expect(Util.isVisible(undefined)).toEqual(false)
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})
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it('should return false if the element provided is not a dom element', () => {
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expect(Util.isVisible({})).toEqual(false)
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})
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it('should return false if the element is not visible with display none', () => {
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fixtureEl.innerHTML = '<div style="display: none;"></div>'
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const div = fixtureEl.querySelector('div')
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expect(Util.isVisible(div)).toEqual(false)
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})
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it('should return false if the element is not visible with visibility hidden', () => {
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fixtureEl.innerHTML = '<div style="visibility: hidden;"></div>'
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const div = fixtureEl.querySelector('div')
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expect(Util.isVisible(div)).toEqual(false)
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})
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it('should return false if the parent element is not visible', () => {
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fixtureEl.innerHTML = [
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'<div style="display: none;">',
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' <div class="content"></div>',
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'</div>'
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].join('')
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const div = fixtureEl.querySelector('.content')
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expect(Util.isVisible(div)).toEqual(false)
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})
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it('should return true if the element is visible', () => {
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fixtureEl.innerHTML = [
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'<div>',
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' <div id="element"></div>',
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'</div>'
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].join('')
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const div = fixtureEl.querySelector('#element')
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expect(Util.isVisible(div)).toEqual(true)
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})
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})
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describe('findShadowRoot', () => {
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it('should return null if shadow dom is not available', () => {
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// Only for newer browsers
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if (!document.documentElement.attachShadow) {
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expect().nothing()
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return
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}
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fixtureEl.innerHTML = '<div></div>'
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const div = fixtureEl.querySelector('div')
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spyOn(document.documentElement, 'attachShadow').and.returnValue(null)
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expect(Util.findShadowRoot(div)).toEqual(null)
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})
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it('should return null when we do not find a shadow root', () => {
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// Only for newer browsers
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if (!document.documentElement.attachShadow) {
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expect().nothing()
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return
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}
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spyOn(document, 'getRootNode').and.returnValue(undefined)
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expect(Util.findShadowRoot(document)).toEqual(null)
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})
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it('should return the shadow root when found', () => {
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// Only for newer browsers
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if (!document.documentElement.attachShadow) {
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expect().nothing()
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return
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}
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fixtureEl.innerHTML = '<div></div>'
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const div = fixtureEl.querySelector('div')
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const shadowRoot = div.attachShadow({
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mode: 'open'
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})
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expect(Util.findShadowRoot(shadowRoot)).toEqual(shadowRoot)
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shadowRoot.innerHTML = '<button>Shadow Button</button>'
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expect(Util.findShadowRoot(shadowRoot.firstChild)).toEqual(shadowRoot)
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})
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})
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describe('noop', () => {
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it('should return a function', () => {
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expect(typeof Util.noop()).toEqual('function')
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})
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})
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describe('reflow', () => {
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it('should return element offset height to force the reflow', () => {
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fixtureEl.innerHTML = '<div></div>'
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const div = fixtureEl.querySelector('div')
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expect(Util.reflow(div)).toEqual(0)
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})
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})
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describe('getjQuery', () => {
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const fakejQuery = { trigger() {} }
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beforeEach(() => {
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Object.defineProperty(window, 'jQuery', {
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value: fakejQuery,
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writable: true
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})
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})
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afterEach(() => {
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window.jQuery = undefined
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})
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it('should return jQuery object when present', () => {
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expect(Util.getjQuery()).toEqual(fakejQuery)
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})
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it('should not return jQuery object when present if data-no-jquery', () => {
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document.body.setAttribute('data-no-jquery', '')
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expect(window.jQuery).toEqual(fakejQuery)
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expect(Util.getjQuery()).toEqual(null)
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document.body.removeAttribute('data-no-jquery')
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})
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it('should not return jQuery if not present', () => {
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window.jQuery = undefined
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expect(Util.getjQuery()).toEqual(null)
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})
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})
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})
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