ce-test-browser

To automate browser tests for PR changes, you map changed files to testable routes and run an end-to-end testing tool against a running server. This validates key UI elements on modified pages.

End-to-end UI testing for modified branch routes validates that pages render correctly after code changes. It maps affected files to specific application paths and checks UI elements automatically.

Yes, you need a running development server to run headless browser tests. The testing process also requires a defined mapping of changed files to routes and the agent-browser CLI installed.

Yes, you can run headed browser tests for port-specific route changes. The testing process supports both headed and headless modes, handling port management to validate UI changes accurately.

The best way to validate UI changes across affected routes is automating end-to-end browser testing. This approach maps changed files to application paths, producing consistent UI validation for modified pages.