Function spawnAndAssert

test/common/assertSnapshot.js:192–209

* Spawn a process and assert its output against a snapshot. * if you want to automatically update the snapshot, run tests with NODE_REGENERATE_SNAPSHOTS=1 * transform is a function that takes the output and returns a string that will be compared against the snapshot * this is useful for normalizi

(filename, transform = (x) => x, { tty = false, ...options } = {})

 * @returns {Promise<void>}
 */
async function spawnAndAssert(filename, transform = (x) => x, { tty = false, ...options } = {}) {
  if (tty && common.isWindows) {
    test({ skip: 'Skipping pseudo-tty tests, as pseudo terminals are not available on Windows.' });
    return;
  }
  let { flags } = common.parseTestMetadata(filename);
  if (options.flags) {
    flags = [...options.flags, ...flags];
  }

  const executable = tty ? (process.env.PYTHON || 'python3') : process.execPath;
  const args =
    tty ?
      [path.join(__dirname, '../..', 'tools/pseudo-tty.py'), process.execPath, ...flags, filename] :
      [...flags, filename];
  const { stdout, stderr } = await common.spawnPromisified(executable, args, options);
  await assertSnapshot(transform(`${stdout}${stderr}`), filename);
}

function replaceTestDuration(str) {
  return str