𝗩𝗶𝘀𝘂𝗮𝗹 𝗥𝗲𝗴𝗿𝗲𝘀𝘀𝗶𝗼𝗻 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 𝗳𝗼𝗿 𝗪𝗲𝗯 𝗔𝗽𝗽𝘀
Visual bugs break user trust. Functional tests do not catch layout shifts. You need Visual Regression Testing (VRT).
VRT compares screenshots of your UI. It finds issues with colors, fonts, and spacing.
Choose your approach:
- Pixel diffs for high-risk sections.
- Structural diffs for stable components.
- Perceptual diffs for themes.
Top tools:
- Playwright
- Cypress
- Percy
Build your workflow:
- Focus on critical paths like checkout and login.
- Create stable baselines in your CI environment.
- Set pixel thresholds to avoid noise.
- Hide dynamic data like timestamps.
Run VRT in your pipeline:
- Trigger tests on every pull request.
- Review visual diffs before merging.
- Update baselines only after approval.
Keep your tests lean. Test only critical flows. This keeps your CI fast.