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391 lines
12 KiB
JavaScript
391 lines
12 KiB
JavaScript
import SelectorEngine from '../../../src/dom/selector-engine.js'
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import { clearFixture, getFixture } from '../../helpers/fixture.js'
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describe('SelectorEngine', () => {
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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('find', () => {
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it('should find elements', () => {
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fixtureEl.innerHTML = '<div></div>'
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const div = fixtureEl.querySelector('div')
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expect(SelectorEngine.find('div', fixtureEl)).toEqual([div])
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})
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it('should find elements globally', () => {
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fixtureEl.innerHTML = '<div id="test"></div>'
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const div = fixtureEl.querySelector('#test')
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expect(SelectorEngine.find('#test')).toEqual([div])
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})
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it('should handle :scope selectors', () => {
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fixtureEl.innerHTML = [
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'<ul>',
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' <li></li>',
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' <li>',
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' <a href="#" class="active">link</a>',
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' </li>',
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' <li></li>',
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'</ul>'
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].join('')
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const listEl = fixtureEl.querySelector('ul')
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const aActive = fixtureEl.querySelector('.active')
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expect(SelectorEngine.find(':scope > li > .active', listEl)).toEqual([aActive])
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})
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})
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describe('findOne', () => {
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it('should return one element', () => {
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fixtureEl.innerHTML = '<div id="test"></div>'
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const div = fixtureEl.querySelector('#test')
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expect(SelectorEngine.findOne('#test')).toEqual(div)
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})
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})
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describe('children', () => {
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it('should find children', () => {
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fixtureEl.innerHTML = [
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'<ul>',
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' <li></li>',
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' <li></li>',
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' <li></li>',
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'</ul>'
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].join('')
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const list = fixtureEl.querySelector('ul')
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const liList = [].concat(...fixtureEl.querySelectorAll('li'))
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const result = SelectorEngine.children(list, 'li')
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expect(result).toEqual(liList)
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})
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})
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describe('parents', () => {
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it('should return parents', () => {
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expect(SelectorEngine.parents(fixtureEl, 'body')).toHaveSize(1)
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})
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})
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describe('prev', () => {
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it('should return previous element', () => {
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fixtureEl.innerHTML = '<div class="test"></div><button class="btn"></button>'
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const btn = fixtureEl.querySelector('.btn')
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const divTest = fixtureEl.querySelector('.test')
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expect(SelectorEngine.prev(btn, '.test')).toEqual([divTest])
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})
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it('should return previous element with an extra element between', () => {
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fixtureEl.innerHTML = [
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'<div class="test"></div>',
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'<span></span>',
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'<button class="btn"></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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expect(SelectorEngine.prev(btn, '.test')).toEqual([divTest])
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})
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it('should return previous element with comments or text nodes between', () => {
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fixtureEl.innerHTML = [
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'<div class="test"></div>',
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'<div class="test"></div>',
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'<!-- Comment-->',
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'Text',
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'<button class="btn"></button>'
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].join('')
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const btn = fixtureEl.querySelector('.btn')
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const divTest = fixtureEl.querySelectorAll('.test')[1]
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expect(SelectorEngine.prev(btn, '.test')).toEqual([divTest])
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})
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})
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describe('next', () => {
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it('should return next element', () => {
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fixtureEl.innerHTML = '<div class="test"></div><button class="btn"></button>'
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const btn = fixtureEl.querySelector('.btn')
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const divTest = fixtureEl.querySelector('.test')
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expect(SelectorEngine.next(divTest, '.btn')).toEqual([btn])
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})
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it('should return next element with an extra element between', () => {
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fixtureEl.innerHTML = [
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'<div class="test"></div>',
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'<span></span>',
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'<button class="btn"></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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expect(SelectorEngine.next(divTest, '.btn')).toEqual([btn])
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})
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it('should return next element with comments or text nodes between', () => {
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fixtureEl.innerHTML = [
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'<div class="test"></div>',
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'<!-- Comment-->',
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'Text',
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'<button class="btn"></button>',
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'<button class="btn"></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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expect(SelectorEngine.next(divTest, '.btn')).toEqual([btn])
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})
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})
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describe('focusableChildren', () => {
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it('should return only elements with specific tag names', () => {
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fixtureEl.innerHTML = [
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'<div>lorem</div>',
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'<span>lorem</span>',
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'<a>lorem</a>',
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'<button>lorem</button>',
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'<input>',
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'<textarea></textarea>',
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'<select></select>',
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'<details>lorem</details>'
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].join('')
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const expectedElements = [
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fixtureEl.querySelector('a'),
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fixtureEl.querySelector('button'),
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fixtureEl.querySelector('input'),
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fixtureEl.querySelector('textarea'),
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fixtureEl.querySelector('select'),
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fixtureEl.querySelector('details')
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]
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expect(SelectorEngine.focusableChildren(fixtureEl)).toEqual(expectedElements)
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})
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it('should return any element with non negative tab index', () => {
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fixtureEl.innerHTML = [
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'<div tabindex>lorem</div>',
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'<div tabindex="0">lorem</div>',
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'<div tabindex="10">lorem</div>'
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].join('')
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const expectedElements = [
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fixtureEl.querySelector('[tabindex]'),
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fixtureEl.querySelector('[tabindex="0"]'),
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fixtureEl.querySelector('[tabindex="10"]')
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]
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expect(SelectorEngine.focusableChildren(fixtureEl)).toEqual(expectedElements)
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})
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it('should return not return elements with negative tab index', () => {
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fixtureEl.innerHTML = '<button tabindex="-1">lorem</button>'
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const expectedElements = []
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expect(SelectorEngine.focusableChildren(fixtureEl)).toEqual(expectedElements)
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})
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it('should return contenteditable elements', () => {
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fixtureEl.innerHTML = '<div contenteditable="true">lorem</div>'
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const expectedElements = [fixtureEl.querySelector('[contenteditable="true"]')]
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expect(SelectorEngine.focusableChildren(fixtureEl)).toEqual(expectedElements)
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})
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it('should not return disabled elements', () => {
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fixtureEl.innerHTML = '<button disabled="true">lorem</button>'
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const expectedElements = []
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expect(SelectorEngine.focusableChildren(fixtureEl)).toEqual(expectedElements)
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})
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it('should not return invisible elements', () => {
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fixtureEl.innerHTML = '<button style="display:none;">lorem</button>'
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const expectedElements = []
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expect(SelectorEngine.focusableChildren(fixtureEl)).toEqual(expectedElements)
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})
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})
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describe('getSelectorFromElement', () => {
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it('should get selector from data-bs-target', () => {
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fixtureEl.innerHTML = [
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'<div id="test" data-bs-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(SelectorEngine.getSelectorFromElement(testEl)).toEqual('.target')
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})
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it('should get selector from href if no data-bs-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(SelectorEngine.getSelectorFromElement(testEl)).toEqual('.target')
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})
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it('should get selector from href if data-bs-target equal to #', () => {
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fixtureEl.innerHTML = [
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'<a id="test" data-bs-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(SelectorEngine.getSelectorFromElement(testEl)).toEqual('.target')
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})
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it('should return null if a selector from a href is a url without an anchor', () => {
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fixtureEl.innerHTML = [
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'<a id="test" data-bs-target="#" href="foo/bar.html"></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(SelectorEngine.getSelectorFromElement(testEl)).toBeNull()
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})
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it('should return the anchor if a selector from a href is a url', () => {
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fixtureEl.innerHTML = [
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'<a id="test" data-bs-target="#" href="foo/bar.html#target"></a>',
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'<div id="target"></div>'
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].join('')
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const testEl = fixtureEl.querySelector('#test')
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expect(SelectorEngine.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(SelectorEngine.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(SelectorEngine.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-bs-target', () => {
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fixtureEl.innerHTML = [
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'<div id="test" data-bs-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(SelectorEngine.getElementFromSelector(testEl)).toEqual(fixtureEl.querySelector('.target'))
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})
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it('should get element from href if no data-bs-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(SelectorEngine.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(SelectorEngine.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(SelectorEngine.getElementFromSelector(testEl)).toBeNull()
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})
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})
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describe('getMultipleElementsFromSelector', () => {
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it('should get elements from data-bs-target', () => {
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fixtureEl.innerHTML = [
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'<div id="test" data-bs-target=".target"></div>',
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'<div class="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(SelectorEngine.getMultipleElementsFromSelector(testEl)).toEqual(Array.from(fixtureEl.querySelectorAll('.target')))
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})
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it('should get elements in array, from href if no data-bs-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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'<div class="target"></div>'
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].join('')
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const testEl = fixtureEl.querySelector('#test')
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expect(SelectorEngine.getMultipleElementsFromSelector(testEl)).toEqual(Array.from(fixtureEl.querySelectorAll('.target')))
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})
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it('should return empty array if elements 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(SelectorEngine.getMultipleElementsFromSelector(testEl)).toHaveSize(0)
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})
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it('should return empty array 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(SelectorEngine.getMultipleElementsFromSelector(testEl)).toHaveSize(0)
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})
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})
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})
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