Untested Drupal code is technical debt waiting to surface at the worst moment. This guide covers PHPUnit fundamentals, Drupal-specific testing patterns, mocking services, testing custom modules, and integrating tests into your CI/CD pipeline.
Read Full Article βFrom GitLab CI pipelines and Tugboat previews to automated Behat testing and zero-downtime Drush deployments β this is the automation stack we use on every production Drupal project.