bundlers.mjs

import cp from 'node:child_process';
import fs from 'node:fs';
import path from 'node:path';
import url from 'node:url';

const dirname = path.dirname(url.fileURLToPath(import.meta.url));
const DIR = path.join(dirname, 'bundlers');

// Prepare
cp.execSync('npm install --no-audit --update-notifier=false', { cwd: DIR, encoding: 'utf8' });
await import('./bundlers/build.mjs');

const tmpJsFiles = fs.readdirSync(path.join(DIR, 'tmp'))
  .filter(name => name.endsWith('.js') || name.endsWith('.mjs'));
const directFiles = tmpJsFiles.filter(name => !name.includes('-indirect'));
const indirectFiles = tmpJsFiles.filter(name => name.includes('-indirect'));

function normalize (str) {
  return str
    .replace(/^localhost:\d+/g, 'localhost:8000')
    .replace(/\b\d+ms\b/g, '42ms');
}

QUnit.module('bundlers');

QUnit.test.each('test in Node.js [direct]', directFiles, function (assert, fileName) {
  const actual = cp.execFileSync(process.execPath,
    [
      '--input-type=module',
      '-e',
      `import ${JSON.stringify('./tmp/' + fileName)}; QUnit.start();`
    ],
    { cwd: DIR, env: { qunit_config_reporters_tap: 'true' }, encoding: 'utf8' }
  );
  const expected = `
1..1
# pass 1
# skip 0
# todo 0
# fail 0`.trim();

  assert.pushResult({ result: actual.includes(expected), actual, expected }, 'stdout');
});

QUnit.test.each('test in Node.js [indirect]', indirectFiles, function (assert, fileName) {
  const actual = cp.execFileSync(process.execPath,
    [
      '--input-type=module',
      '-e',
      `import ${JSON.stringify('./tmp/' + fileName)}; QUnit.start();`
    ],
    { cwd: DIR, env: { qunit_config_reporters_tap: 'true' }, encoding: 'utf8' }
  );
  const expected = `
1..5
# pass 5
# skip 0
# todo 0
# fail 0`.trim();

  assert.pushResult({ result: actual.includes(expected), actual, expected }, 'stdout');
});

QUnit.test('test in browser', function (assert) {
  assert.timeout(60_000);

  const expected = `Running "connect:all" (connect) task
Started connect web server on http://localhost:8000

Running "qunit:all" (qunit) task
Testing http://localhost:8000/tmp/test-import-default.es.html .OK
>> passed test "import-default"
Testing http://localhost:8000/tmp/test-import-default.iife.html .OK
>> passed test "import-default"
Testing http://localhost:8000/tmp/test-import-default.umd.html .OK
>> passed test "import-default"
Testing http://localhost:8000/tmp/test-import-default.webpack.html .OK
>> passed test "import-default"
Testing http://localhost:8000/tmp/test-import-indirect.es.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "import-indirect"
Testing http://localhost:8000/tmp/test-import-indirect.iife.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "import-indirect"
Testing http://localhost:8000/tmp/test-import-indirect.umd.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "import-indirect"
Testing http://localhost:8000/tmp/test-import-indirect.webpack.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "import-indirect"
Testing http://localhost:8000/tmp/test-import-named.es.html .OK
>> passed test "import-named"
Testing http://localhost:8000/tmp/test-import-named.iife.html .OK
>> passed test "import-named"
Testing http://localhost:8000/tmp/test-import-named.umd.html .OK
>> passed test "import-named"
Testing http://localhost:8000/tmp/test-import-named.webpack.html .OK
>> passed test "import-named"
Testing http://localhost:8000/tmp/test-require-default.es.html .OK
>> passed test "require-default"
Testing http://localhost:8000/tmp/test-require-default.iife.html .OK
>> passed test "require-default"
Testing http://localhost:8000/tmp/test-require-default.umd.html .OK
>> passed test "require-default"
Testing http://localhost:8000/tmp/test-require-default.webpack.html .OK
>> passed test "require-default"
Testing http://localhost:8000/tmp/test-require-indirect.es.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "require-indirect"
Testing http://localhost:8000/tmp/test-require-indirect.iife.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "require-indirect"
Testing http://localhost:8000/tmp/test-require-indirect.umd.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "require-indirect"
Testing http://localhost:8000/tmp/test-require-indirect.webpack.html .....OK
>> passed test "import-default"
>> passed test "import-named"
>> passed test "require-default"
>> passed test "require-sub"
>> passed test "require-indirect"
Testing http://localhost:8000/tmp/test-require-sub.es.html .OK
>> passed test "require-sub"
Testing http://localhost:8000/tmp/test-require-sub.iife.html .OK
>> passed test "require-sub"
Testing http://localhost:8000/tmp/test-require-sub.umd.html .OK
>> passed test "require-sub"
Testing http://localhost:8000/tmp/test-require-sub.webpack.html .OK
>> passed test "require-sub"
>> 56 tests completed in 42ms, with 0 failed, 0 skipped, and 0 todo.

Done.`;

  try {
    // This will use env CI, CHROMIUM_FLAGS, and PUPPETEER_CACHE_DIR
    const actual = cp.execSync('node_modules/.bin/grunt test', {
      cwd: DIR,
      encoding: 'utf8'
    });
    assert.equal(normalize(actual).trim(), expected);
  } catch (e) {
    assert.equal(e.stdout || e.stderr, '', 'error');
  }
});