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svelte/test/js/index.js

73 lines
2.0 KiB

import * as assert from 'assert';
import * as fs from 'fs';
import * as path from 'path';
import * as colors from 'kleur';
import { loadConfig, svelte, shouldUpdateExpected } from '../helpers';
describe('js', () => {
fs.readdirSync(`${__dirname}/samples`).forEach(dir => {
if (dir[0] === '.') return;
// add .solo to a sample directory name to only run that test
const solo = /\.solo/.test(dir);
if (solo && process.env.CI) {
throw new Error('Forgot to remove `solo: true` from test');
}
const resolved = path.resolve(`${__dirname}/samples`, dir);
if (!fs.existsSync(`${resolved}/input.svelte`)) {
console.log(colors.red().bold(`Missing file ${dir}/input.svelte. If you recently switched branches you may need to delete this directory`));
return;
}
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(solo ? it.only : it)(dir, () => {
const config = loadConfig(`${resolved}/_config.js`);
const input = fs.readFileSync(`${resolved}/input.svelte`, 'utf-8').replace(/\s+$/, '').replace(/\r/g, '');
let actual;
try {
const options = Object.assign(config.options || {});
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actual = svelte.compile(input, options).js.code.replace(/generated by Svelte v\d+\.\d+\.\d+(-\w+\.\d+)?/, 'generated by Svelte vX.Y.Z');
} catch (err) {
console.log(err.frame);
throw err;
}
const output = `${resolved}/_actual.js`;
fs.writeFileSync(output, actual);
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const expectedPath = `${resolved}/expected.js`;
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let expected = '';
try {
expected = fs.readFileSync(expectedPath, 'utf-8');
} catch (error) {
console.log(error);
if (error.code === 'ENOENT') {
// missing expected.js
fs.writeFileSync(expectedPath, actual);
}
}
try {
assert.equal(
actual.trim().replace(/^[ \t]+$/gm, '').replace(/\r/g, ''),
expected.trim().replace(/^[ \t]+$/gm, '').replace(/\r/g, '')
);
} catch (error) {
if (shouldUpdateExpected()) {
fs.writeFileSync(expectedPath, actual);
console.log(`Updated ${expectedPath}.`);
} else {
throw error;
}
}
});
});
});