crowd-funder-for-time-pwa/TODO.md

Test Improvements TODO

ImageViewer Mock Units - Completed ✅

• Create comprehensive mock units for ImageViewer component
• Implement 4 mock levels (Simple, Standard, Complex, Integration)
• Fix template structure issues (Teleport/Transition complexity)
• Resolve event simulation problems (SupportedEventInterface errors)
• Fix platform detection logic (mobile vs desktop)
• Implement analytics tracking in integration mock
• Achieve 38/39 tests passing (97% success rate)

Immediate Test Improvements Needed 🔧

1. Fix Remaining ImageViewer Test

• Fix mobile share button test - Vue reactivity issue with computed properties
  • Investigate Vue 3 reactivity system for computed properties
  • Try different approaches: nextTick(), flushPromises(), or reactive refs
  • Consider using shallowRef() for userAgent to force reactivity

2. Event Simulation Improvements

• Create global event simulation utilities
  • Build triggerEvent() helper that works with Vue Test Utils
  • Handle SupportedEventInterface errors consistently
  • Create fallback methods for problematic event types
• Improve test environment setup
  • Configure proper DOM environment for event simulation
  • Mock browser APIs more comprehensively
  • Add global test utilities for common patterns

3. Mock Architecture Enhancements

• Create reusable mock patterns
  • Extract common mock utilities (createMockUserAgent, etc.)
  • Build mock factory patterns for other components
  • Create mock validation helpers
• Improve mock documentation
  • Add JSDoc comments to all mock functions
  • Create usage examples for each mock level
  • Document mock limitations and workarounds

Component-Specific Test Improvements 🧪

4. Expand Mock Units to Other Components

• QR Scanner Component
  • Create mock for WebInlineQRScanner
  • Mock camera permissions and device detection
  • Test platform-specific behavior (web vs mobile)
• Platform Service Components
  • Mock CapacitorPlatformService
  • Mock WebPlatformService
  • Mock ElectronPlatformService
• Database Components
  • Mock AbsurdSqlDatabaseService
  • Test migration scenarios
  • Mock IndexedDB operations

5. Integration Test Improvements

• Cross-component communication
  • Test ImageViewer + QR Scanner integration
  • Test platform service + component interactions
  • Mock complex user workflows
• End-to-end scenarios
  • Complete user journeys (scan → view → share)
  • Error recovery flows
  • Performance testing scenarios

Test Infrastructure Improvements 🏗️

6. Test Environment Setup

• Improve Vitest configuration
  • Add proper DOM environment setup
  • Configure global mocks for browser APIs
  • Add test utilities for common patterns
• Create test helpers
  • createComponentWrapper() utility
  • mockPlatformService() helper
  • simulateUserInteraction() utilities

7. Performance Testing

• Add performance benchmarks
  • Component render time testing
  • Memory usage monitoring
  • Image loading performance tests
• Load testing scenarios
  • Multiple ImageViewer instances
  • Large image handling
  • Concurrent operations

Quality Assurance Improvements 📊

8. Test Coverage Enhancement

• Add missing test scenarios
  • Edge cases for image formats
  • Network error handling
  • Accessibility compliance tests
• Mutation testing
  • Verify test quality with mutation testing
  • Ensure tests catch actual bugs
  • Improve test reliability

9. Test Documentation

• Create test guidelines
  • Best practices for Vue component testing
  • Mock unit design patterns
  • Troubleshooting common test issues
• Add test examples
  • Example test files for each component type
  • Integration test examples
  • Performance test examples

Advanced Testing Features 🚀

10. Visual Regression Testing

• Add visual testing
  • Screenshot comparison for ImageViewer
  • Visual diff testing for UI changes
  • Cross-platform visual consistency
• Accessibility testing
  • Automated accessibility checks
  • Screen reader compatibility tests
  • Keyboard navigation testing

11. Contract Testing

• API contract testing
  • Test component prop contracts
  • Event emission contracts
  • Service interface contracts
• Mock contract validation
  • Ensure mocks match real component behavior
  • Validate mock completeness
  • Test mock accuracy

Priority Levels 📋

High Priority (Next Sprint)

1. Fix mobile share button test
2. Create global event simulation utilities
3. Expand mock units to QR Scanner component
4. Improve test environment setup

Medium Priority (Next Month)

1. Create reusable mock patterns
2. Add performance testing
3. Improve test documentation
4. Add visual regression testing

Low Priority (Future)

1. Advanced integration testing
2. Contract testing
3. Mutation testing
4. Cross-platform visual testing

Success Metrics 📈

Current Status

• ✅ 97% test pass rate (38/39 tests)
• ✅ 4 mock levels implemented
• ✅ Comprehensive coverage of ImageViewer functionality
• ✅ Behavior-focused testing approach working

Target Metrics

• 100% test pass rate (fix remaining test)
• 10+ components with mock units
• < 100ms average test execution time
• 90%+ code coverage for critical components
• Zero flaky tests in CI/CD pipeline

Notes 📝

Lessons Learned

• Vue 3 reactivity can be tricky with computed properties in tests
• Direct method calls work better than trigger() for complex events
• Mock levels provide excellent flexibility for different testing needs
• Behavior-focused testing is more maintainable than implementation-focused

Technical Debt

• Some TypeScript linter errors in mock files (non-blocking)
• Event simulation needs better abstraction
• Test environment could be more robust
• Mock documentation could be more comprehensive

---

Last updated: 2025-01-07 Status: Active development