End-to-End Testing with Playwright

Playwright enables reliable end-to-end testing across browsers. This guide covers patterns for maintainable E2E tests.

Basic Test Structure#

Page Object Model#

Fixtures for Reusable Setup#

API Mocking#

Visual Testing#

Mobile Testing#

Testing Forms#

Configuration#

Best Practices#

1. Use data-testid attributes: More stable than CSS selectors
2. Wait for elements properly: Use waitFor and assertions
3. Keep tests independent: Don't rely on test order
4. Use Page Object Model: Better maintainability
5. Test critical user journeys: Focus on important flows

Conclusion#

Playwright provides powerful E2E testing capabilities. Use Page Object Model for maintainability, fixtures for reusable setup, and focus on testing critical user journeys rather than every edge case.