End-to-End Testing with Playwright

Playwright provides reliable end-to-end testing. Here's how to write effective E2E tests.

Best Practices#

Selectors:
✓ Prefer user-visible locators
✓ Use getByRole, getByLabel, getByText
✓ Add data-testid for complex cases
✓ Avoid CSS selectors

Tests:
✓ Keep tests independent
✓ Use page objects for reusability
✓ Mock external dependencies
✓ Test critical user journeys

Performance:
✓ Run tests in parallel
✓ Use test.describe.parallel
✓ Share authentication state
✓ Minimize browser contexts

Playwright provides reliable E2E testing with excellent developer experience. Use page objects for maintainability, fixtures for setup/teardown, and API mocking for isolation. Integrate visual and accessibility testing for comprehensive coverage, and run tests in CI for confidence in deployments.

End-to-End Testing with Playwright

Setup and Configuration#

Basic Tests#

Page Object Model#

Fixtures and Setup#

API Mocking#

Visual Testing#

Accessibility Testing#

CI Integration#

Best Practices#

Conclusion#

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