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Adding upstream version 5.2.3+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-17 07:02:47 +01:00
parent b80f12a01d
commit bc475d7d0d
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
617 changed files with 89471 additions and 0 deletions

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import Data from '../../../src/dom/data'
import { getFixture, clearFixture } from '../../helpers/fixture'
describe('Data', () => {
const TEST_KEY = 'bs.test'
const UNKNOWN_KEY = 'bs.unknown'
const TEST_DATA = {
test: 'bsData'
}
let fixtureEl
let div
beforeAll(() => {
fixtureEl = getFixture()
})
beforeEach(() => {
fixtureEl.innerHTML = '<div></div>'
div = fixtureEl.querySelector('div')
})
afterEach(() => {
Data.remove(div, TEST_KEY)
clearFixture()
})
it('should return null for unknown elements', () => {
const data = { ...TEST_DATA }
Data.set(div, TEST_KEY, data)
expect(Data.get(null)).toBeNull()
expect(Data.get(undefined)).toBeNull()
expect(Data.get(document.createElement('div'), TEST_KEY)).toBeNull()
})
it('should return null for unknown keys', () => {
const data = { ...TEST_DATA }
Data.set(div, TEST_KEY, data)
expect(Data.get(div, null)).toBeNull()
expect(Data.get(div, undefined)).toBeNull()
expect(Data.get(div, UNKNOWN_KEY)).toBeNull()
})
it('should store data for an element with a given key and return it', () => {
const data = { ...TEST_DATA }
Data.set(div, TEST_KEY, data)
expect(Data.get(div, TEST_KEY)).toEqual(data)
})
it('should overwrite data if something is already stored', () => {
const data = { ...TEST_DATA }
const copy = { ...data }
Data.set(div, TEST_KEY, data)
Data.set(div, TEST_KEY, copy)
// Using `toBe` since spread creates a shallow copy
expect(Data.get(div, TEST_KEY)).not.toBe(data)
expect(Data.get(div, TEST_KEY)).toBe(copy)
})
it('should do nothing when an element has nothing stored', () => {
Data.remove(div, TEST_KEY)
expect().nothing()
})
it('should remove nothing for an unknown key', () => {
const data = { ...TEST_DATA }
Data.set(div, TEST_KEY, data)
Data.remove(div, UNKNOWN_KEY)
expect(Data.get(div, TEST_KEY)).toEqual(data)
})
it('should remove data for a given key', () => {
const data = { ...TEST_DATA }
Data.set(div, TEST_KEY, data)
Data.remove(div, TEST_KEY)
expect(Data.get(div, TEST_KEY)).toBeNull()
})
/* eslint-disable no-console */
it('should console.error a message if called with multiple keys', () => {
console.error = jasmine.createSpy('console.error')
const data = { ...TEST_DATA }
const copy = { ...data }
Data.set(div, TEST_KEY, data)
Data.set(div, UNKNOWN_KEY, copy)
expect(console.error).toHaveBeenCalled()
expect(Data.get(div, UNKNOWN_KEY)).toBeNull()
})
/* eslint-enable no-console */
})

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import EventHandler from '../../../src/dom/event-handler'
import { clearFixture, getFixture } from '../../helpers/fixture'
import { noop } from '../../../src/util'
describe('EventHandler', () => {
let fixtureEl
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
clearFixture()
})
describe('on', () => {
it('should not add event listener if the event is not a string', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
EventHandler.on(div, null, noop)
EventHandler.on(null, 'click', noop)
expect().nothing()
})
it('should add event listener', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
EventHandler.on(div, 'click', () => {
expect().nothing()
resolve()
})
div.click()
})
})
it('should add namespaced event listener', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
EventHandler.on(div, 'bs.namespace', () => {
expect().nothing()
resolve()
})
EventHandler.trigger(div, 'bs.namespace')
})
})
it('should add native namespaced event listener', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
EventHandler.on(div, 'click.namespace', () => {
expect().nothing()
resolve()
})
EventHandler.trigger(div, 'click')
})
})
it('should handle event delegation', () => {
return new Promise(resolve => {
EventHandler.on(document, 'click', '.test', () => {
expect().nothing()
resolve()
})
fixtureEl.innerHTML = '<div class="test"></div>'
const div = fixtureEl.querySelector('div')
div.click()
})
})
it('should handle mouseenter/mouseleave like the native counterpart', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="outer">',
'<div class="inner">',
'<div class="nested">',
'<div class="deep"></div>',
'</div>',
'</div>',
'<div class="sibling"></div>',
'</div>'
].join('')
const outer = fixtureEl.querySelector('.outer')
const inner = fixtureEl.querySelector('.inner')
const nested = fixtureEl.querySelector('.nested')
const deep = fixtureEl.querySelector('.deep')
const sibling = fixtureEl.querySelector('.sibling')
const enterSpy = jasmine.createSpy('mouseenter')
const leaveSpy = jasmine.createSpy('mouseleave')
const delegateEnterSpy = jasmine.createSpy('mouseenter')
const delegateLeaveSpy = jasmine.createSpy('mouseleave')
EventHandler.on(inner, 'mouseenter', enterSpy)
EventHandler.on(inner, 'mouseleave', leaveSpy)
EventHandler.on(outer, 'mouseenter', '.inner', delegateEnterSpy)
EventHandler.on(outer, 'mouseleave', '.inner', delegateLeaveSpy)
EventHandler.on(sibling, 'mouseenter', () => {
expect(enterSpy.calls.count()).toEqual(2)
expect(leaveSpy.calls.count()).toEqual(2)
expect(delegateEnterSpy.calls.count()).toEqual(2)
expect(delegateLeaveSpy.calls.count()).toEqual(2)
resolve()
})
const moveMouse = (from, to) => {
from.dispatchEvent(new MouseEvent('mouseout', {
bubbles: true,
relatedTarget: to
}))
to.dispatchEvent(new MouseEvent('mouseover', {
bubbles: true,
relatedTarget: from
}))
}
// from outer to deep and back to outer (nested)
moveMouse(outer, inner)
moveMouse(inner, nested)
moveMouse(nested, deep)
moveMouse(deep, nested)
moveMouse(nested, inner)
moveMouse(inner, outer)
setTimeout(() => {
expect(enterSpy.calls.count()).toEqual(1)
expect(leaveSpy.calls.count()).toEqual(1)
expect(delegateEnterSpy.calls.count()).toEqual(1)
expect(delegateLeaveSpy.calls.count()).toEqual(1)
// from outer to inner to sibling (adjacent)
moveMouse(outer, inner)
moveMouse(inner, sibling)
}, 20)
})
})
})
describe('one', () => {
it('should call listener just once', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
let called = 0
const div = fixtureEl.querySelector('div')
const obj = {
oneListener() {
called++
}
}
EventHandler.one(div, 'bootstrap', obj.oneListener)
EventHandler.trigger(div, 'bootstrap')
EventHandler.trigger(div, 'bootstrap')
setTimeout(() => {
expect(called).toEqual(1)
resolve()
}, 20)
})
})
it('should call delegated listener just once', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
let called = 0
const div = fixtureEl.querySelector('div')
const obj = {
oneListener() {
called++
}
}
EventHandler.one(fixtureEl, 'bootstrap', 'div', obj.oneListener)
EventHandler.trigger(div, 'bootstrap')
EventHandler.trigger(div, 'bootstrap')
setTimeout(() => {
expect(called).toEqual(1)
resolve()
}, 20)
})
})
})
describe('off', () => {
it('should not remove a listener', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
EventHandler.off(div, null, noop)
EventHandler.off(null, 'click', noop)
expect().nothing()
})
it('should remove a listener', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
let called = 0
const handler = () => {
called++
}
EventHandler.on(div, 'foobar', handler)
EventHandler.trigger(div, 'foobar')
EventHandler.off(div, 'foobar', handler)
EventHandler.trigger(div, 'foobar')
setTimeout(() => {
expect(called).toEqual(1)
resolve()
}, 20)
})
})
it('should remove all the events', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
let called = 0
EventHandler.on(div, 'foobar', () => {
called++
})
EventHandler.on(div, 'foobar', () => {
called++
})
EventHandler.trigger(div, 'foobar')
EventHandler.off(div, 'foobar')
EventHandler.trigger(div, 'foobar')
setTimeout(() => {
expect(called).toEqual(2)
resolve()
}, 20)
})
})
it('should remove all the namespaced listeners if namespace is passed', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
let called = 0
EventHandler.on(div, 'foobar.namespace', () => {
called++
})
EventHandler.on(div, 'foofoo.namespace', () => {
called++
})
EventHandler.trigger(div, 'foobar.namespace')
EventHandler.trigger(div, 'foofoo.namespace')
EventHandler.off(div, '.namespace')
EventHandler.trigger(div, 'foobar.namespace')
EventHandler.trigger(div, 'foofoo.namespace')
setTimeout(() => {
expect(called).toEqual(2)
resolve()
}, 20)
})
})
it('should remove the namespaced listeners', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
let calledCallback1 = 0
let calledCallback2 = 0
EventHandler.on(div, 'foobar.namespace', () => {
calledCallback1++
})
EventHandler.on(div, 'foofoo.namespace', () => {
calledCallback2++
})
EventHandler.trigger(div, 'foobar.namespace')
EventHandler.off(div, 'foobar.namespace')
EventHandler.trigger(div, 'foobar.namespace')
EventHandler.trigger(div, 'foofoo.namespace')
setTimeout(() => {
expect(calledCallback1).toEqual(1)
expect(calledCallback2).toEqual(1)
resolve()
}, 20)
})
})
it('should remove the all the namespaced listeners for native events', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
let called = 0
EventHandler.on(div, 'click.namespace', () => {
called++
})
EventHandler.on(div, 'click.namespace2', () => {
called++
})
EventHandler.trigger(div, 'click')
EventHandler.off(div, 'click')
EventHandler.trigger(div, 'click')
setTimeout(() => {
expect(called).toEqual(2)
resolve()
}, 20)
})
})
it('should remove the specified namespaced listeners for native events', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
let called1 = 0
let called2 = 0
EventHandler.on(div, 'click.namespace', () => {
called1++
})
EventHandler.on(div, 'click.namespace2', () => {
called2++
})
EventHandler.trigger(div, 'click')
EventHandler.off(div, 'click.namespace')
EventHandler.trigger(div, 'click')
setTimeout(() => {
expect(called1).toEqual(1)
expect(called2).toEqual(2)
resolve()
}, 20)
})
})
it('should remove a listener registered by .one', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const handler = () => {
reject(new Error('called'))
}
EventHandler.one(div, 'foobar', handler)
EventHandler.off(div, 'foobar', handler)
EventHandler.trigger(div, 'foobar')
setTimeout(() => {
expect().nothing()
resolve()
}, 20)
})
})
it('should remove the correct delegated event listener', () => {
const element = document.createElement('div')
const subelement = document.createElement('span')
element.append(subelement)
const anchor = document.createElement('a')
element.append(anchor)
let i = 0
const handler = () => {
i++
}
EventHandler.on(element, 'click', 'a', handler)
EventHandler.on(element, 'click', 'span', handler)
fixtureEl.append(element)
EventHandler.trigger(anchor, 'click')
EventHandler.trigger(subelement, 'click')
// first listeners called
expect(i).toEqual(2)
EventHandler.off(element, 'click', 'span', handler)
EventHandler.trigger(subelement, 'click')
// removed listener not called
expect(i).toEqual(2)
EventHandler.trigger(anchor, 'click')
// not removed listener called
expect(i).toEqual(3)
EventHandler.on(element, 'click', 'span', handler)
EventHandler.trigger(anchor, 'click')
EventHandler.trigger(subelement, 'click')
// listener re-registered
expect(i).toEqual(5)
EventHandler.off(element, 'click', 'span')
EventHandler.trigger(subelement, 'click')
// listener removed again
expect(i).toEqual(5)
})
})
describe('general functionality', () => {
it('should hydrate properties, and make them configurable', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div id="div1">',
' <div id="div2"></div>',
' <div id="div3"></div>',
'</div>'
].join('')
const div1 = fixtureEl.querySelector('#div1')
const div2 = fixtureEl.querySelector('#div2')
EventHandler.on(div1, 'click', event => {
expect(event.currentTarget).toBe(div2)
expect(event.delegateTarget).toBe(div1)
expect(event.originalTarget).toBeNull()
Object.defineProperty(event, 'currentTarget', {
configurable: true,
get() {
return div1
}
})
expect(event.currentTarget).toBe(div1)
resolve()
})
expect(() => {
EventHandler.trigger(div1, 'click', { originalTarget: null, currentTarget: div2 })
}).not.toThrowError(TypeError)
})
})
})
})

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import Manipulator from '../../../src/dom/manipulator'
import { clearFixture, getFixture } from '../../helpers/fixture'
describe('Manipulator', () => {
let fixtureEl
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
clearFixture()
})
describe('setDataAttribute', () => {
it('should set data attribute prefixed with bs', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
Manipulator.setDataAttribute(div, 'key', 'value')
expect(div.getAttribute('data-bs-key')).toEqual('value')
})
it('should set data attribute in kebab case', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
Manipulator.setDataAttribute(div, 'testKey', 'value')
expect(div.getAttribute('data-bs-test-key')).toEqual('value')
})
})
describe('removeDataAttribute', () => {
it('should only remove bs-prefixed data attribute', () => {
fixtureEl.innerHTML = '<div data-bs-key="value" data-key-bs="postfixed" data-key="value"></div>'
const div = fixtureEl.querySelector('div')
Manipulator.removeDataAttribute(div, 'key')
expect(div.getAttribute('data-bs-key')).toBeNull()
expect(div.getAttribute('data-key-bs')).toEqual('postfixed')
expect(div.getAttribute('data-key')).toEqual('value')
})
it('should remove data attribute in kebab case', () => {
fixtureEl.innerHTML = '<div data-bs-test-key="value"></div>'
const div = fixtureEl.querySelector('div')
Manipulator.removeDataAttribute(div, 'testKey')
expect(div.getAttribute('data-bs-test-key')).toBeNull()
})
})
describe('getDataAttributes', () => {
it('should return an empty object for null', () => {
expect(Manipulator.getDataAttributes(null)).toEqual({})
expect().nothing()
})
it('should get only bs-prefixed data attributes without bs namespace', () => {
fixtureEl.innerHTML = '<div data-bs-toggle="tabs" data-bs-target="#element" data-another="value" data-target-bs="#element" data-in-bs-out="in-between"></div>'
const div = fixtureEl.querySelector('div')
expect(Manipulator.getDataAttributes(div)).toEqual({
toggle: 'tabs',
target: '#element'
})
})
it('should omit `bs-config` data attribute', () => {
fixtureEl.innerHTML = '<div data-bs-toggle="tabs" data-bs-target="#element" data-bs-config=\'{"testBool":false}\'></div>'
const div = fixtureEl.querySelector('div')
expect(Manipulator.getDataAttributes(div)).toEqual({
toggle: 'tabs',
target: '#element'
})
})
})
describe('getDataAttribute', () => {
it('should only get bs-prefixed data attribute', () => {
fixtureEl.innerHTML = '<div data-bs-key="value" data-test-bs="postFixed" data-toggle="tab"></div>'
const div = fixtureEl.querySelector('div')
expect(Manipulator.getDataAttribute(div, 'key')).toEqual('value')
expect(Manipulator.getDataAttribute(div, 'test')).toBeNull()
expect(Manipulator.getDataAttribute(div, 'toggle')).toBeNull()
})
it('should get data attribute in kebab case', () => {
fixtureEl.innerHTML = '<div data-bs-test-key="value" ></div>'
const div = fixtureEl.querySelector('div')
expect(Manipulator.getDataAttribute(div, 'testKey')).toEqual('value')
})
it('should normalize data', () => {
fixtureEl.innerHTML = '<div data-bs-test="false" ></div>'
const div = fixtureEl.querySelector('div')
expect(Manipulator.getDataAttribute(div, 'test')).toBeFalse()
div.setAttribute('data-bs-test', 'true')
expect(Manipulator.getDataAttribute(div, 'test')).toBeTrue()
div.setAttribute('data-bs-test', '1')
expect(Manipulator.getDataAttribute(div, 'test')).toEqual(1)
})
it('should normalize json data', () => {
fixtureEl.innerHTML = '<div data-bs-test=\'{"delay":{"show":100,"hide":10}}\'></div>'
const div = fixtureEl.querySelector('div')
expect(Manipulator.getDataAttribute(div, 'test')).toEqual({ delay: { show: 100, hide: 10 } })
const objectData = { 'Super Hero': ['Iron Man', 'Super Man'], testNum: 90, url: 'http://localhost:8080/test?foo=bar' }
const dataStr = JSON.stringify(objectData)
div.setAttribute('data-bs-test', encodeURIComponent(dataStr))
expect(Manipulator.getDataAttribute(div, 'test')).toEqual(objectData)
div.setAttribute('data-bs-test', dataStr)
expect(Manipulator.getDataAttribute(div, 'test')).toEqual(objectData)
})
})
})

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import SelectorEngine from '../../../src/dom/selector-engine'
import { getFixture, clearFixture } 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)
})
})
})