visual-regression

Automate visual regression testing by applying Playwright visual tests to desktop and mobile viewports, generating baselines, and producing diffs for regressions. It identifies UI routes needing coverage and reports unintended visual differences after code changes.

Handle dynamic content in screenshot comparisons by mocking data and masking dynamic regions during test execution. This prevents transient elements from triggering false positive regression diffs in the baseline comparison.

Update visual baselines after an intentional UI refresh by following the provided guidance for accepting new screenshots. The workflow produces clear instructions for replacing outdated baselines when layout, typography, or color changes are deliberate.

Yes, you can run visual regression tests across both desktop and mobile viewports. The workflow applies Playwright visual tests to multiple breakpoints to verify that UI changes do not alter layouts across different screen sizes.

Visual regression testing captures and compares UI screenshots to detect unintended visual differences after code changes. You need it to reduce manual verification and catch regressions in layout, typography, or colors across pages.