80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
import { expect } from 'chai';
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import server from '../server.js'
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import { LitElement, html } from 'lit'
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import * as cheerio from 'cheerio'
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const { check, renderToStaticMarkup } = server
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describe('check', () => {
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it('should be false with no component', async () => {
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expect(await check()).to.equal(false)
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})
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it('should be false with a registered non-lit component', async () => {
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const tagName = 'non-lit-component'
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customElements.define(tagName, class TestComponent extends HTMLElement {})
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expect(await check(tagName)).to.equal(false)
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})
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it('should be true with a registered lit component', async () => {
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const tagName = 'lit-component'
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customElements.define(tagName, class extends LitElement {})
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expect(await check(tagName)).to.equal(true)
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})
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})
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describe('renderToStaticMarkup', () => {
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it('should throw error if trying to render an unregistered component', async () => {
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const tagName = 'non-registrered-component'
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try {
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await renderToStaticMarkup(tagName)
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} catch (e) {
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expect(e).to.be.an.instanceOf(TypeError)
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}
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})
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it('should render emtpy component with default markup', async () => {
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const tagName = 'nothing-component'
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customElements.define(tagName, class extends LitElement {})
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const render = await renderToStaticMarkup(tagName)
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expect(render).to.deep.equal({
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html: `<${tagName}><template shadowroot="open"><!--lit-part--><!--/lit-part--></template></${tagName}>`
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})
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})
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it('should render component with default markup', async () => {
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const tagName = 'simple-component'
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customElements.define(tagName, class extends LitElement {
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render() {
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return html`<p>hola</p>`
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}
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})
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const render = await renderToStaticMarkup(tagName)
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const $ = cheerio.load(render.html)
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expect($(`${tagName} template`).html()).to.contain('<p>hola</p>')
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})
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it('should render component with properties and attributes', async () => {
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const tagName = 'props-and-attrs-component'
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const attr1 = 'test'
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const prop1 = 'Daniel'
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customElements.define(tagName, class extends LitElement {
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static properties = {
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prop1: { type: String },
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}
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constructor() {
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super();
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this.prop1 = 'someone';
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}
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render() {
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return html`<p>Hello ${this.prop1}</p>`
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}
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})
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const render = await renderToStaticMarkup(tagName, { prop1, attr1 })
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const $ = cheerio.load(render.html)
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expect($(tagName).attr('attr1')).to.equal(attr1)
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expect($(`${tagName} template`).text()).to.contain(`Hello ${prop1}`)
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})
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})
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