metabuilder/docs/todo/features/8-TESTING-TODO.md

TODO 8 - Testing & Quality

Unit Testing

• Achieve 80%+ code coverage across all modules ✅ (91% achieved)
• Add parameterized tests using it.each() pattern ✅ (576 tests across 83 files)
• Create test utilities for common setup/teardown
• Add snapshot tests for component rendering
• Implement property-based testing for validation logic

Test Coverage Summary (Updated Dec 25, 2025)

• Total Tests: 576 passing
• Test Files: 83 files
• Tests updated to reflect MUI migration (removed Tailwind class merging expectations)

Integration Testing

• Add API integration tests for all endpoints
• Create database integration tests with test fixtures
• Implement package system integration tests
• Add workflow engine integration tests
• Create DBAL integration tests (TypeScript ↔ C++)

End-to-End Testing

• Expand Playwright test coverage
• Add critical user journey tests
• Implement visual regression testing
• Create accessibility (a11y) test suite
• Add cross-browser testing configuration

Test Infrastructure

• Set up parallel test execution ✅ (Vitest runs parallel by default)
• Add test result reporting to CI
• Create test data factories ✅ (helper functions in tests)
• Implement test database isolation
• Add flaky test detection and reporting

Quality Metrics

• Configure size limits for components and functions
• Add cyclomatic complexity checks
• Implement code duplication detection
• Create maintainability index tracking
• Add dependency vulnerability scanning

Stub Detection

• Review and fix all detected stub implementations
• Update TODO scan to include .github ✅ (scan-project-todos.py now uses rg --hidden)
• Convert TODO comments to GitHub issues (use TODO_SCAN_REPORT.md as input)
• Implement completeness scoring tracking over time
• Add stub detection to PR checks (blocking critical stubs)
• Create stub-to-implementation tracking dashboard

Test Documentation

• Document testing conventions and patterns
• Create testing guide for contributors
• Add test coverage requirements to PR template
• Document test environment setup