astro/packages/astro/test/react-component.test.js
2021-12-22 16:11:05 -05:00

131 lines
3.7 KiB
JavaScript

import { expect } from 'chai';
import cheerio from 'cheerio';
import { loadFixture } from './test-utils.js';
let fixture;
describe('React Components', () => {
before(async () => {
fixture = await loadFixture({
devOptions: {
port: 3008,
},
projectRoot: './fixtures/react-component/',
renderers: ['@astrojs/renderer-react', '@astrojs/renderer-vue'],
});
});
describe('build', () => {
before(async () => {
await fixture.build();
});
it('Can load React', async () => {
const html = await fixture.readFile('/index.html');
const $ = cheerio.load(html);
// test 1: basic component renders
expect($('#react-h2').text()).to.equal('Hello world!');
// test 2: no reactroot
expect($('#react-h2').attr('data-reactroot')).to.equal(undefined);
// test 3: Can use function components
expect($('#arrow-fn-component')).to.have.lengthOf(1);
// test 4: Can use spread for components
expect($('#component-spread-props')).to.have.lengthOf(1);
// test 5: spread props renders
expect($('#component-spread-props').text(), 'Hello world!');
// test 6: Can use TS components
expect($('.ts-component')).to.have.lengthOf(1);
// test 7: Can use Pure components
expect($('#pure')).to.have.lengthOf(1);
});
it('Can load Vue', async () => {
const html = await fixture.readFile('/index.html');
const $ = cheerio.load(html);
expect($('#vue-h2').text()).to.equal('Hasta la vista, baby');
});
it('Can use a pragma comment', async () => {
const html = await fixture.readFile('/pragma-comment/index.html');
const $ = cheerio.load(html);
// test 1: rendered the PragmaComment component
expect($('.pragma-comment')).to.have.lengthOf(2);
});
// TODO: is this still a relevant test?
it.skip('Includes reactroot on hydrating components', async () => {
const html = await fixture.readFile('/index.html');
const $ = cheerio.load(html);
const div = $('#research');
// test 1: has the hydration attr
expect(div.attr('data-reactroot')).to.be.ok;
// test 2: renders correctly
expect(div.html()).to.equal('foo bar <!-- -->1');
});
});
describe('dev', () => {
let devServer;
before(async () => {
devServer = await fixture.startDevServer();
});
after(async () => {
devServer && (await devServer.stop());
});
it('scripts proxy correctly', async () => {
const html = await fixture.fetch('/').then((res) => res.text());
const $ = cheerio.load(html);
for (const script of $('script').toArray()) {
const { src } = script.attribs;
if (!src) continue;
expect((await fixture.fetch(src)).status, `404: ${src}`).to.equal(200);
}
});
// TODO: move this to separate dev test?
it.skip('Throws helpful error message on window SSR', async () => {
const html = await fixture.fetch('/window/index.html');
expect(html).to.include(
`[/window]
The window object is not available during server-side rendering (SSR).
Try using \`import.meta.env.SSR\` to write SSR-friendly code.
https://docs.astro.build/reference/api-reference/#importmeta`
);
});
// In moving over to Vite, the jsx-runtime import is now obscured. TODO: update the method of finding this.
it.skip('uses the new JSX transform', async () => {
const html = await fixture.fetch('/index.html');
// Grab the imports
const exp = /import\("(.+?)"\)/g;
let match, componentUrl;
while ((match = exp.exec(html))) {
if (match[1].includes('Research.js')) {
componentUrl = match[1];
break;
}
}
const component = await fixture.readFile(componentUrl);
const jsxRuntime = component.imports.filter((i) => i.specifier.includes('jsx-runtime'));
// test 1: react/jsx-runtime is used for the component
expect(jsxRuntime).to.be.ok;
});
});
});