In general, we perceive the frontend part of a user-facing application as difficult to test in an automated way, and we often relegate these checks to a manual task. In this article, we examine how to use the Puppeteer tool and its PHP bridge, PuPHPeteer, to ensure deterministic validation of the browser side of a web application.

If automated testing is not already part of your development workflow, then it’s time to get started. In this post, I’ll show you how to use Behat to test that your Drupal site is working properly.