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Purpose

Create, run, and maintain E2E tests for critical user flows using Playwright.

Arguments

• --add <journey> — Create new journey test (e.g., signup-flow, checkout)
• --run — Run all E2E tests
• --run <pattern> — Run tests matching pattern
• --report — Generate and display HTML report
• --fix — Fix flaky tests with approval

Test organization

apps/web-e2e/
├── src/
│   ├── journeys/              # User journey tests
│   │   ├── auth.spec.ts       # Sign up, sign in, sign out
│   │   ├── onboarding.spec.ts # First-time user flow
│   │   └── <feature>.spec.ts  # Feature-specific journeys
│   ├── fixtures/              # Test fixtures and helpers
│   │   ├── auth.fixture.ts    # Auth helpers (login as user)
│   │   └── db.fixture.ts      # Database seeding
│   └── pages/                 # Page Object Models
│       ├── home.page.ts
│       └── settings.page.ts
├── playwright.config.ts       # Playwright configuration
└── .env.test                  # Test environment

Journey naming

• auth — Authentication flows (signup, signin, signout, password reset)
• onboarding — First-time user experience
• <feature>-crud — Create, read, update, delete for a feature
• <feature>-workflow — Multi-step workflows
• checkout — Payment/purchase flows
• settings — User settings and preferences

Commands

# Run all E2E tests
npm run e2e

# Run specific journey
npm run e2e -- --grep "auth"

# Run in headed mode (watch)
npm run e2e -- --headed

# Run with UI mode
npm run e2e -- --ui

# Generate report
npm run e2e -- --reporter=html && npx playwright show-report

Workflow

Adding a journey (--add)

1. Create test file in src/journeys/<journey>.spec.ts
2. Create page objects if needed
3. Add fixtures for test data
4. Run to verify
5. Add to CI if not already included

Running tests (--run)

1. Ensure dev servers are running or use webServer config
2. Execute tests
3. Report results with pass/fail counts
4. Highlight flaky tests (passed on retry)

Fixing flaky tests (--fix)

1. Identify flaky tests from reports
2. Analyze failure patterns
3. Propose fixes (with approval):
   • Add explicit waits
   • Improve selectors
   • Fix race conditions
   • Mock unstable dependencies
4. Re-run to confirm fix

Best practices enforced

• Use data-testid for stable selectors
• Avoid time-based waits (page.waitForTimeout)
• Isolate tests (no shared state)
• Reset database state between tests
• Use page object models for reusability
• Test against both light and dark themes

Angular-specific patterns

// Wait for Angular to stabilize
await page.waitForSelector('app-root:not(.loading)');

// Use data-testid attributes
await page.click('[data-testid="submit-button"]');

// Wait for PrimeNG components
await page.waitForSelector('.p-datatable-tbody tr');

Output

• Test results (pass/fail/flaky counts)
• Failure details with screenshots
• Report location

Reference

For Playwright setup and patterns, see reference/nean-e2e-reference.md