January 2026
Intermediate to advanced
412 pages
8h 38m
English
Content preview from Hands-On Automated Testing with Playwright
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10
Setting Up Visual Regression Testing
Modern web applications are constantly evolving, and even the smallest code change can unintentionally affect the user interface (UI). Traditional tests check whether your app works, while visual regression testing checks whether it still looks the way it should. It’s a powerful technique to catch unexpected UI changes, such as a misaligned button or a missing icon, before they slip into production.
In this chapter, you’ll learn how to use Playwright to capture and compare screenshots of your application, manage acceptable visual differences, and integrate visual testing into your development workflow. When you’re fixing bugs or releasing new features, visual tests help ensure that your app stays visually ...
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