Drupal ships with a wide variety of unit and functional tests. It is important to understand the main differences between these types of tests, as well as why they are important to improve the overall quality of your application. Drupal also includes a couple of methods for running these test suites.
- Run the tests included in Drupal core
- Understand the differences between the different types of tests included in Drupal
- Write custom tests to minimize bugs in your own application