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svelte/test/css/index.js

130 lines
3.1 KiB

import assert from 'assert';
import * as fs from 'fs';
import { env, normalizeHtml, svelte } from '../helpers.js';
function tryRequire(file) {
try {
const mod = require(file);
return mod.default || mod;
} catch (err) {
if (err.code !== 'MODULE_NOT_FOUND') throw err;
return null;
}
}
function normalizeWarning(warning) {
warning.frame = warning.frame
.replace(/^\n/, '')
.replace(/^\t+/gm, '')
.replace(/\s+$/gm, '');
delete warning.filename;
delete warning.toString;
return warning;
}
describe('css', () => {
fs.readdirSync('test/css/samples').forEach(dir => {
if (dir[0] === '.') return;
// add .solo to a sample directory name to only run that test
const solo = /\.solo/.test(dir);
const skip = /\.skip/.test(dir);
if (solo && process.env.CI) {
throw new Error('Forgot to remove `solo: true` from test');
}
(solo ? it.only : skip ? it.skip : it)(dir, () => {
const config = tryRequire(`./samples/${dir}/_config.js`) || {};
const input = fs
.readFileSync(`test/css/samples/${dir}/input.html`, 'utf-8')
.replace(/\s+$/, '');
const expectedWarnings = (config.warnings || []).map(normalizeWarning);
const domWarnings = [];
const ssrWarnings = [];
const dom = svelte.compile(
input,
Object.assign(config, {
format: 'iife',
name: 'SvelteComponent',
onwarn: warning => {
domWarnings.push(warning);
}
})
);
const ssr = svelte.compile(
input,
Object.assign(config, {
format: 'iife',
generate: 'ssr',
name: 'SvelteComponent',
onwarn: warning => {
ssrWarnings.push(warning);
}
})
);
assert.equal(dom.css, ssr.css);
assert.deepEqual(
domWarnings.map(normalizeWarning),
ssrWarnings.map(normalizeWarning)
);
assert.deepEqual(domWarnings.map(normalizeWarning), expectedWarnings);
fs.writeFileSync(`test/css/samples/${dir}/_actual.css`, dom.css);
const expected = {
html: read(`test/css/samples/${dir}/expected.html`),
css: read(`test/css/samples/${dir}/expected.css`)
};
assert.equal(dom.css.replace(/svelte-\d+/g, 'svelte-xyz'), expected.css);
// verify that the right elements have scoping selectors
if (expected.html !== null) {
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const window = env();
const Component = eval(
`(function () { ${dom.code}; return SvelteComponent; }())`
);
const target = window.document.querySelector('main');
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new Component({ target, data: config.data });
const html = target.innerHTML;
fs.writeFileSync(`test/css/samples/${dir}/_actual.html`, html);
// dom
assert.equal(
normalizeHtml(window, html.replace(/svelte-\d+/g, 'svelte-xyz')),
normalizeHtml(window, expected.html)
);
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// ssr
const component = eval(
`(function () { ${ssr.code}; return SvelteComponent; }())`
);
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assert.equal(
normalizeHtml(
window,
component.render(config.data).replace(/svelte-\d+/g, 'svelte-xyz')
),
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normalizeHtml(window, expected.html)
);
}
});
});
});
function read(file) {
try {
return fs.readFileSync(file, 'utf-8');
} catch (err) {
return null;
}
}