E2e Test

E2E Testing Workflow

Test Strategy

• Test critical user journeys end-to-end
• Focus on happy paths and most common user workflows
• Verify integrations between different parts of the application
• Test real user scenarios, not just technical functionality

Page Object Model

• Use Page Object Model for complex user flows
• Encapsulate page interactions in reusable page classes
• Keep selectors centralized in page objects
• Use meaningful method names that describe user actions
• Return page objects from navigation methods for chaining

Playwright Best Practices

• Implement proper wait strategies (avoid arbitrary timeouts)
• Use Playwright's auto-waiting and retry mechanisms
• Leverage built-in assertions with expect(page).toHave...
• Use page.locator() over deprecated page.$() methods
• Take screenshots on test failures for debugging

Selectors and Interactions

• Prefer user-facing selectors (text, labels, roles)
• Use data-testid attributes for complex components
• Avoid CSS selectors that depend on styling
• Use Playwright's built-in locator methods
• Chain actions fluently: page.locator('button').click()

Test Organization

• Group tests by user journey or feature area
• Use descriptive test names that explain the user scenario
• Set up test data in beforeEach hooks when needed
• Clean up test data after tests complete
• Use test fixtures for complex setup scenarios

Configuration

• Set appropriate timeouts for different types of operations
• Use headless mode in CI, headed mode for debugging
• Configure test parallelization appropriately

Debugging

• Use Playwright's trace viewer for debugging failures
• Record videos of test runs for failure analysis
• Run tests in headed mode during development
• Use page.pause() for interactive debugging
• Keep tests stable by avoiding flaky selectors