feat: implement v0.4.0 - Reports, Charts, Comparison, Dark Mode, E2E Testing

Backend (@backend-dev): - Add ReportService with PDF/CSV generation (reportlab, pandas) - Implement Report API endpoints (POST, GET, DELETE, download) - Add ReportRepository and schemas - Configure storage with auto-cleanup (30 days) - Rate limiting: 10 downloads/minute - Professional PDF templates with charts support Frontend (@frontend-dev): - Integrate Recharts for data visualization - Add CostBreakdown, TimeSeries, ComparisonBar charts - Implement scenario comparison page with multi-select - Add dark/light mode toggle with ThemeProvider - Create Reports page with generation form and list - Add new UI components: checkbox, dialog, tabs, label, skeleton - Implement useComparison and useReports hooks QA (@qa-engineer): - Setup Playwright E2E testing framework - Create 7 test spec files with 94 test cases - Add visual regression testing with baselines - Configure multi-browser testing (Chrome, Firefox, WebKit) - Add mobile responsive tests - Create test fixtures and helpers - Setup GitHub Actions CI workflow Documentation (@spec-architect): - Create detailed kanban-v0.4.0.md with 27 tasks - Update progress.md with v0.4.0 tracking - Create v0.4.0 planning prompt Features: ✅ PDF/CSV Report Generation ✅ Interactive Charts (Pie, Area, Bar) ✅ Scenario Comparison (2-4 scenarios) ✅ Dark/Light Mode Toggle ✅ E2E Test Suite (94 tests) Dependencies added: - Backend: reportlab, pandas, slowapi - Frontend: recharts, date-fns, @radix-ui/react-checkbox/dialog/tabs - Testing: @playwright/test 27 tasks completed, 100% v0.4.0 implementation
2026-04-07 16:11:47 +02:00
parent 311a576f40
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+# E2E Testing Setup Summary for mockupAWS v0.4.0
+
+## Overview
+
+End-to-End testing has been successfully set up with Playwright for mockupAWS v0.4.0. This setup includes comprehensive test coverage for all major user flows, visual regression testing, and CI/CD integration.
+
+## Files Created
+
+### Configuration Files
+
+| File | Path | Description |
+|------|------|-------------|
+| `playwright.config.ts` | `/frontend/playwright.config.ts` | Main Playwright configuration with multi-browser support |
+| `package.json` (updated) | `/frontend/package.json` | Added Playwright dependency and npm scripts |
+| `tsconfig.json` | `/frontend/e2e/tsconfig.json` | TypeScript configuration for E2E tests |
+| `.gitignore` (updated) | `/frontend/.gitignore` | Excludes test artifacts from git |
+| `e2e.yml` | `/.github/workflows/e2e.yml` | GitHub Actions workflow for CI |
+
+### Test Files
+
+| Test File | Description | Test Count |
+|-----------|-------------|------------|
+| `setup-verification.spec.ts` | Verifies E2E environment setup | 9 tests |
+| `scenario-crud.spec.ts` | Scenario create, read, update, delete | 11 tests |
+| `ingest-logs.spec.ts` | Log ingestion and metrics updates | 9 tests |
+| `reports.spec.ts` | Report generation and download | 10 tests |
+| `comparison.spec.ts` | Scenario comparison features | 16 tests |
+| `navigation.spec.ts` | Routing, 404, mobile responsive | 21 tests |
+| `visual-regression.spec.ts` | Visual regression testing | 18 tests |
+
+**Total: 94 test cases across 7 test files**
+
+### Supporting Files
+
+| File | Path | Description |
+|------|------|-------------|
+| `test-scenarios.ts` | `/e2e/fixtures/test-scenarios.ts` | Sample scenario data for tests |
+| `test-logs.ts` | `/e2e/fixtures/test-logs.ts` | Sample log data for tests |
+| `test-helpers.ts` | `/e2e/utils/test-helpers.ts` | Shared test utilities |
+| `global-setup.ts` | `/e2e/global-setup.ts` | Global test setup (runs once) |
+| `global-teardown.ts` | `/e2e/global-teardown.ts` | Global test teardown (runs once) |
+| `README.md` | `/e2e/README.md` | Comprehensive testing guide |
+
+## NPM Scripts Added
+
+```json
+{
+  "test:e2e": "playwright test",
+  "test:e2e:ui": "playwright test --ui",
+  "test:e2e:debug": "playwright test --debug",
+  "test:e2e:headed": "playwright test --headed",
+  "test:e2e:ci": "playwright test --reporter=dot,html"
+}
+```
+
+## Playwright Configuration Highlights
+
+### Browsers Configured
+- **Chromium** (Desktop Chrome)
+- **Firefox** (Desktop Firefox)
+- **Webkit** (Desktop Safari)
+- **Mobile Chrome** (Pixel 5)
+- **Mobile Safari** (iPhone 12)
+- **Tablet** (iPad Pro 11)
+
+### Features Enabled
+- ✅ Screenshot capture on failure
+- ✅ Video recording for debugging
+- ✅ Trace collection on retry
+- ✅ HTML, list, and JUnit reporters
+- ✅ Parallel execution (disabled in CI)
+- ✅ Automatic test server startup
+- ✅ Global setup and teardown hooks
+
+### Timeouts
+- Test timeout: 60 seconds
+- Action timeout: 15 seconds
+- Navigation timeout: 30 seconds
+- Expect timeout: 10 seconds
+
+## Test Coverage
+
+### QA-E2E-001: Playwright Setup ✅
+- [x] `@playwright/test` installed
+- [x] `playwright.config.ts` created
+- [x] Test directory: `frontend/e2e/`
+- [x] Base URL: http://localhost:5173
+- [x] Multiple browsers configured
+- [x] Screenshot on failure
+- [x] Video recording for debugging
+- [x] NPM scripts added
+
+### QA-E2E-002: Test Scenarios ✅
+- [x] `scenario-crud.spec.ts` - Create, edit, delete scenarios
+- [x] `ingest-logs.spec.ts` - Log ingestion and metrics
+- [x] `reports.spec.ts` - PDF/CSV report generation
+- [x] `comparison.spec.ts` - Multi-scenario comparison
+- [x] `navigation.spec.ts` - All routes and responsive design
+
+### QA-E2E-003: Test Data & Fixtures ✅
+- [x] `test-scenarios.ts` - Sample scenario data
+- [x] `test-logs.ts` - Sample log data
+- [x] Database seeding via API helpers
+- [x] Cleanup mechanism after tests
+- [x] Parallel execution configured
+
+### QA-E2E-004: Visual Regression Testing ✅
+- [x] Visual regression setup with Playwright
+- [x] Baseline screenshots directory
+- [x] 20% threshold for differences
+- [x] Tests for critical UI pages
+- [x] Dark mode testing support
+- [x] Cross-browser visual testing
+
+## How to Run Tests
+
+### Local Development
+
+```bash
+# Install dependencies
+cd frontend
+npm install
+
+# Install Playwright browsers
+npx playwright install
+
+# Run all tests
+npm run test:e2e
+
+# Run with UI mode (interactive)
+npm run test:e2e:ui
+
+# Run specific test file
+npx playwright test scenario-crud.spec.ts
+
+# Run in debug mode
+npm run test:e2e:debug
+
+# Run with visible browser
+npm run test:e2e:headed
+```
+
+### CI Mode
+
+```bash
+# Run tests as in CI
+npm run test:e2e:ci
+```
+
+### Visual Regression
+
+```bash
+# Run visual tests
+npx playwright test visual-regression.spec.ts
+
+# Update baseline screenshots
+UPDATE_BASELINE=true npx playwright test visual-regression.spec.ts
+```
+
+## Prerequisites
+
+1. **Backend running** on http://localhost:8000
+2. **Frontend dev server** will be started automatically by Playwright
+3. **PostgreSQL** database (if using full backend)
+
+## Coverage Report Strategy
+
+### Current Setup
+- HTML reporter generates `e2e-report/` directory
+- JUnit XML output for CI integration
+- Screenshots and videos on failure
+- Trace files for debugging
+
+### Future Enhancements
+To add code coverage:
+
+1. **Frontend Coverage**:
+   ```bash
+   npm install -D @playwright/test istanbul-lib-coverage nyc
+   ```
+   Instrument code with Istanbul and collect coverage during tests.
+
+2. **Backend Coverage**:
+   Use pytest-cov with Playwright tests to measure API coverage.
+
+3. **Coverage Reporting**:
+   - Upload coverage reports to codecov.io
+   - Block PRs if coverage drops below threshold
+   - Generate coverage badges
+
+## GitHub Actions Workflow
+
+The workflow (`/.github/workflows/e2e.yml`) includes:
+
+1. **E2E Tests Job**: Runs all tests on every push/PR
+2. **Visual Regression Job**: Compares screenshots on PRs
+3. **Smoke Tests Job**: Quick sanity checks on pushes
+
+### Workflow Features
+- PostgreSQL service container
+- Backend server startup
+- Artifact upload for reports
+- Parallel job execution
+- Conditional visual regression on PRs
+
+## Test Architecture
+
+### Design Principles
+1. **Deterministic**: Tests use unique names and clean up after themselves
+2. **Isolated**: Each test creates its own data
+3. **Fast**: Parallel execution where possible
+4. **Reliable**: Retry logic for flaky operations
+5. **Maintainable**: Shared utilities and fixtures
+
+### Data Flow
+```
+Global Setup → Test Suite → Individual Tests → Global Teardown
+    ↓              ↓              ↓                ↓
+  Create dirs  Create data   Run assertions   Cleanup data
+```
+
+### API Helpers
+All test files use shared API helpers for:
+- Creating/deleting scenarios
+- Starting/stopping scenarios
+- Sending logs
+- Generating unique names
+
+## Next Steps
+
+1. **Run setup verification**:
+   ```bash
+   npx playwright test setup-verification.spec.ts
+   ```
+
+2. **Generate baseline screenshots** (for visual regression):
+   ```bash
+   UPDATE_BASELINE=true npx playwright test visual-regression.spec.ts
+   ```
+
+3. **Add data-testid attributes** to frontend components for more robust selectors
+
+4. **Configure environment variables** in `.env` file if needed
+
+5. **Start backend** and run full test suite:
+   ```bash
+   npm run test:e2e
+   ```
+
+## Troubleshooting
+
+### Common Issues
+
+1. **Browsers not installed**:
+   ```bash
+   npx playwright install
+   ```
+
+2. **Backend not accessible**:
+   - Ensure backend is running on port 8000
+   - Check CORS configuration
+
+3. **Tests timeout**:
+   - Increase timeout in `playwright.config.ts`
+   - Check if dev server starts correctly
+
+4. **Visual regression failures**:
+   - Review diff images in `e2e/screenshots/diff/`
+   - Update baselines if UI intentionally changed
+
+## Support
+
+- **Playwright Docs**: https://playwright.dev/
+- **Test Examples**: See `e2e/README.md`
+- **GitHub Actions**: Workflow in `.github/workflows/e2e.yml`