mirror of
https://github.com/withastro/astro.git
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173 lines
5.4 KiB
JavaScript
173 lines
5.4 KiB
JavaScript
import { expect } from 'chai';
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import { load as cheerioLoad } from 'cheerio';
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import { isWindows, loadFixture } from '../../../astro/test/test-utils.js';
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let fixture;
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describe('React Components', () => {
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before(async () => {
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fixture = await loadFixture({
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root: new URL('./fixtures/react-component/', import.meta.url),
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});
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});
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describe('build', () => {
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before(async () => {
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await fixture.build();
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});
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it('Can load React', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerioLoad(html);
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// test 1: basic component renders
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expect($('#react-static').text()).to.equal('Hello static!');
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// test 2: no reactroot
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expect($('#react-static').attr('data-reactroot')).to.equal(undefined);
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// test 3: Can use function components
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expect($('#arrow-fn-component')).to.have.lengthOf(1);
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// test 4: Can use spread for components
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expect($('#component-spread-props')).to.have.lengthOf(1);
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// test 5: spread props renders
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expect($('#component-spread-props').text(), 'Hello world!');
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// test 6: Can use TS components
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expect($('.ts-component')).to.have.lengthOf(1);
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// test 7: Can use Pure components
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expect($('#pure')).to.have.lengthOf(1);
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// test 8: Check number of islands
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expect($('astro-island[uid]')).to.have.lengthOf(9);
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// test 9: Check island deduplication
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const uniqueRootUIDs = new Set($('astro-island').map((i, el) => $(el).attr('uid')));
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expect(uniqueRootUIDs.size).to.equal(8);
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// test 10: Should properly render children passed as props
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const islandsWithChildren = $('.with-children');
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expect(islandsWithChildren).to.have.lengthOf(2);
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expect($(islandsWithChildren[0]).html()).to.equal(
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$(islandsWithChildren[1]).find('astro-slot').html()
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);
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// test 11: Should generate unique React.useId per island
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const islandsWithId = $('.react-use-id');
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expect(islandsWithId).to.have.lengthOf(2);
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expect($(islandsWithId[0]).attr('id')).to.not.equal($(islandsWithId[1]).attr('id'));
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});
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it('Can load Vue', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerioLoad(html);
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expect($('#vue-h2').text()).to.equal('Hasta la vista, baby');
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});
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it('Can use a pragma comment', async () => {
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const html = await fixture.readFile('/pragma-comment/index.html');
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const $ = cheerioLoad(html);
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// test 1: rendered the PragmaComment component
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expect($('.pragma-comment')).to.have.lengthOf(2);
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});
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// TODO: is this still a relevant test?
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it.skip('Includes reactroot on hydrating components', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerioLoad(html);
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const div = $('#research');
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// test 1: has the hydration attr
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expect(div.attr('data-reactroot')).to.be.ok;
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// test 2: renders correctly
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expect(div.html()).to.equal('foo bar <!-- -->1');
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});
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it('Can load Suspense-using components', async () => {
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const html = await fixture.readFile('/suspense/index.html');
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const $ = cheerioLoad(html);
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expect($('#client #lazy')).to.have.lengthOf(1);
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expect($('#server #lazy')).to.have.lengthOf(1);
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});
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it('Can pass through props with cloneElement', async () => {
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const html = await fixture.readFile('/index.html');
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const $ = cheerioLoad(html);
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expect($('#cloned').text()).to.equal('Cloned With Props');
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});
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it('Children are parsed as React components, can be manipulated', async () => {
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const html = await fixture.readFile('/children/index.html');
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const $ = cheerioLoad(html);
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expect($('.with-children-count').text()).to.equal('2');
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});
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});
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if (isWindows) return;
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describe('dev', () => {
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/** @type {import('../../../astro/test/test-utils.js').Fixture} */
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let devServer;
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before(async () => {
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devServer = await fixture.startDevServer();
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});
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after(async () => {
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await devServer.stop();
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});
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it('scripts proxy correctly', async () => {
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const html = await fixture.fetch('/').then((res) => res.text());
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const $ = cheerioLoad(html);
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for (const script of $('script').toArray()) {
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const { src } = script.attribs;
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if (!src) continue;
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expect((await fixture.fetch(src)).status, `404: ${src}`).to.equal(200);
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}
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});
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// TODO: move this to separate dev test?
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it.skip('Throws helpful error message on window SSR', async () => {
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const html = await fixture.fetch('/window/index.html');
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expect(html).to.include(
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`[/window]
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The window object is not available during server-side rendering (SSR).
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Try using \`import.meta.env.SSR\` to write SSR-friendly code.
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https://docs.astro.build/reference/api-reference/#importmeta`
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);
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});
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// In moving over to Vite, the jsx-runtime import is now obscured. TODO: update the method of finding this.
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it.skip('uses the new JSX transform', async () => {
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const html = await fixture.fetch('/index.html');
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// Grab the imports
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const exp = /import\("(.+?)"\)/g;
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let match, componentUrl;
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while ((match = exp.exec(html))) {
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if (match[1].includes('Research.js')) {
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componentUrl = match[1];
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break;
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}
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}
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const component = await fixture.readFile(componentUrl);
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const jsxRuntime = component.imports.filter((i) => i.specifier.includes('jsx-runtime'));
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// test 1: react/jsx-runtime is used for the component
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expect(jsxRuntime).to.be.ok;
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});
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it('When a nested component throws it does not crash the server', async () => {
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const res = await fixture.fetch('/error-rendering');
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await res.arrayBuffer();
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});
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});
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});
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