0
0
mirror of https://github.com/twbs/bootstrap.git synced 2024-12-04 16:24:22 +01:00
Bootstrap/js/tests/unit/dom/selector-engine.spec.js
GeoSot e81e7cda90
Move getElementFromSelector & getSelectorFromElement to SelectorEngine (#36027)
* Move `getElementFromSelector` & getSelectorFromElement` inside selector-engine.js, in order to use SelectorEngine methods, avoiding raw querySelector usage

* add `getMultipleElementsFromSelector` helper

Co-authored-by: Julien Déramond <juderamond@gmail.com>
2022-11-06 20:31:43 +02:00

391 lines
12 KiB
JavaScript

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