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What are some best practices for testing Drupal modules?

What are some best practices for testing Drupal modules?

Answer: Some best practices for testing Drupal modules include:

1. Automated Testing: Use PHPUnit for unit tests and Kernel tests. Deploy Simpletest for functional and integration tests.

2. Test Coverage: Aim for high test coverage to ensure all functionalities are tested.

3. Use the Drupal Testing Framework: Leverage built-in testing tools provided by Drupal for consistency.

4. Mocking and Stubbing: Use mocking libraries to simulate dependencies and isolate tests.

5. Continuous Integration: Integrate testing into CI/CD pipelines to automate testing during development.

6. Performance Testing: Monitor and test module performance to ensure it meets acceptable standards.

7. User Acceptance Testing (UAT): Involve end-users to validate the module’s functionality against requirements.

8. Documentation: Keep clear documentation of test cases and results for future reference.

9. Version Testing: Test your modules against multiple versions of Drupal to ensure compatibility.

10. Peer Code Reviews: Encourage team-wide reviews of tests and code to catch issues early.

Implementing these practices helps ensure module reliability, maintainability, and performance.

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