112 lines
2.9 KiB
TypeScript
112 lines
2.9 KiB
TypeScript
import { Document } from 'nodom'
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import buildElementCreator from '@/elementCreator'
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const doc = new Document()
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const el1 = (() => {
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const el = doc.createElement('p')
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el.className = 'fixture'
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el.textContent = 'child-1'
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return el
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})()
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const el2 = (() => {
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const el = doc.createElement('img')
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el.setAttribute('src', 'pic.png')
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return el
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})()
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describe('created function', () => {
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const prefix = 'x-'
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const makeElement = buildElementCreator(doc.createElement.bind(doc), prefix)
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let exp = doc.createElement('div')
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describe('with tag', () => {
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it('returns an HTMLElement for the specified tag', () => {
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expect( makeElement('div') ).toHtmlEqual(exp)
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})
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describe('and classes', () => {
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const tag = 'img'
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const classes = ['foo', 'bar']
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beforeEach(() => {
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exp = doc.createElement(tag)
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exp.className = `${prefix}foo ${prefix}bar`
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})
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it('returns an HTMLElement with the specified classes prefixed', () => {
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expect( makeElement(tag, classes) ).toHtmlEqual(exp)
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})
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it('does not prefix class name starting with lang-', () => {
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expect( makeElement(tag, ['lang-js']).className ).toEqual('lang-js')
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})
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describe('and child elements', () => {
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it('returns an HTMLElement with the given children', () => {
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exp.appendChild(el1)
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exp.appendChild(el2)
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expect( makeElement(tag, classes, [el1, el2]) ).toHtmlEqual(exp)
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})
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})
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describe('and inner HTML', () => {
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it('returns an HTMLElement with the given inner HTML', () => {
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exp.innerHTML = el1.outerHTML
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expect( makeElement(tag, classes, el1.outerHTML) ).toHtmlEqual(exp)
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})
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})
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})
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describe('and attributes', () => {
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const tag = 'img'
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const attrs = { src: 'img.png', alt: 'picture' }
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beforeEach(() => {
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exp = doc.createElement(tag)
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for (const [key, val] of Object.entries(attrs)) {
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exp.setAttribute(key, val)
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}
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})
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it('returns an HTMLElement with the given attributes', () => {
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expect( makeElement('img', attrs) ).toHtmlEqual(exp)
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})
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it('prefixes items of the class attribute that do not start with lang-', () => {
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expect(
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makeElement(tag, { src: 'img.png', class: 'foo lang-js' }).className
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).toEqual(`${prefix}foo lang-js`)
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})
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describe('and child elements', () => {
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it('returns an HTMLElement with the given children', () => {
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exp.appendChild(el1)
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exp.appendChild(el2)
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expect( makeElement(tag, attrs, [el1, el2]) ).toHtmlEqual(exp)
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})
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})
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describe('and inner HTML', () => {
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it('returns an HTMLElement with the given inner HTML', () => {
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exp.innerHTML = el1.outerHTML
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expect( makeElement(tag, attrs, el1.outerHTML) ).toHtmlEqual(exp)
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})
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})
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})
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})
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})
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