Testing

Testing

  • 29.1 Yup.

    function foo() {
  return true;
}

  • 29.2 No, but seriously:

    • Whichever testing framework you use, you should be writing tests!
    • Strive to write many small pure functions, and minimize where mutations occur.
    • Be cautious about stubs and mocks - they can make your tests more brittle.
    • We primarily use mocha at Airbnb. tape is also used occasionally for small, separate modules.
    • 100% test coverage is a good goal to strive for, even if it’s not always practical to reach it.
    • Whenever you fix a bug, write a regression test. A bug fixed without a regression test is almost certainly going to break again in the future.

⬆ Back