126 lines
3.9 KiB
JavaScript
126 lines
3.9 KiB
JavaScript
import { suite } from 'uvu';
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import * as assert from 'uvu/assert';
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import { doc } from './test-utils.js';
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import { setup } from './helpers.js';
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const StylesSSR = suite('Styles SSR');
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/** Basic CSS minification; removes some flakiness in testing CSS */
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function cssMinify(css) {
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return css
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.trim() // remove whitespace
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.replace(/\n\s*/g, '') // collapse lines
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.replace(/\s*\{/g, '{') // collapse selectors
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.replace(/:\s*/g, ':') // collapse attributes
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.replace(/;}/g, '}'); // collapse block
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}
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setup(StylesSSR, './fixtures/astro-styles-ssr');
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StylesSSR('Has <link> tags', async ({ runtime }) => {
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const MUST_HAVE_LINK_TAGS = [
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'/_astro/components/ReactCSS.css',
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'/_astro/components/ReactModules.module.css',
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'/_astro/components/SvelteScoped.svelte.css',
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'/_astro/components/VueCSS.vue.css',
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'/_astro/components/VueModules.vue.css',
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'/_astro/components/VueScoped.vue.css',
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];
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const result = await runtime.load('/');
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const $ = doc(result.contents);
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for (const href of MUST_HAVE_LINK_TAGS) {
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const el = $(`link[href="${href}"]`);
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assert.equal(el.length, 1);
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}
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});
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StylesSSR('Has correct CSS classes', async ({ runtime }) => {
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// TODO: remove this (temporary CI patch)
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if (process.version.startsWith('v14.')) {
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return;
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}
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const result = await runtime.load('/');
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const $ = doc(result.contents);
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const MUST_HAVE_CLASSES = {
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'#react-css': 'react-title',
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'#react-modules': 'title', // ⚠️ this should be transformed
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'#vue-css': 'vue-title',
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'#vue-modules': 'title', // ⚠️ this should also be transformed
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'#vue-scoped': 'vue-title', // also has data-v-* property
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'#svelte-scoped': 'svelte-title', // also has additional class
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};
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for (const [selector, className] of Object.entries(MUST_HAVE_CLASSES)) {
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const el = $(selector);
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if (selector === '#react-modules' || selector === '#vue-modules') {
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// this will generate differently on Unix vs Windows. Here we simply test that it has transformed
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assert.match(el.attr('class'), new RegExp(`^_${className}_[A-Za-z0-9-_]+`)); // className should be transformed, surrounded by underscores and other stuff
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} else {
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// if this is not a CSS module, it should remain as expected
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assert.ok(el.attr('class').includes(className));
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}
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// add’l test: Vue Scoped styles should have data-v-* attribute
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if (selector === '#vue-scoped') {
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const { attribs } = el.get(0);
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const scopeId = Object.keys(attribs).find((k) => k.startsWith('data-v-'));
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assert.ok(scopeId);
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}
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// add’l test: Svelte should have another class
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if (selector === '#svelte-title') {
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assert.not.equal(el.attr('class'), className);
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}
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}
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});
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StylesSSR('CSS Module support in .astro', async ({ runtime }) => {
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const result = await runtime.load('/');
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const $ = doc(result.contents);
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let scopedClass;
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// test 1: <style> tag in <head> is transformed
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const css = cssMinify(
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$('style')
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.html()
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.replace(/\.astro-[A-Za-z0-9-]+/, (match) => {
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scopedClass = match; // get class hash from result
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return match;
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})
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);
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assert.match(css, `.wrapper${scopedClass}{margin-left:auto;margin-right:auto;max-width:1200px}`);
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// test 2: element received .astro-XXXXXX class (this selector will succeed if transformed correctly)
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const wrapper = $(`.wrapper${scopedClass}`);
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assert.equal(wrapper.length, 1);
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});
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StylesSSR('Astro scoped styles', async ({ runtime }) => {
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const result = await runtime.load('/');
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const $ = doc(result.contents);
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const el1 = $('#dynamic-class');
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const el2 = $('#dynamic-vis');
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let scopedClass;
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$('#class')
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.attr('class')
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.replace(/astro-[A-Za-z0-9-]+/, (match) => {
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scopedClass = match;
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return match;
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});
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if (!scopedClass) throw new Error(`Astro component missing scoped class`);
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assert.match(el1.attr('class'), `blue ${scopedClass}`);
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assert.match(el2.attr('class'), `visible ${scopedClass}`);
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});
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StylesSSR.run();
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