test: phase 0 - fix failing tests and setup CI/CD
- Fixed 6 failing tests across http-server-auth.test.ts and single-session.test.ts - All tests now pass (68 passing, 0 failing) - Added GitHub Actions workflow for automated testing - Added comprehensive testing documentation and strategy - Tests fixed without changing application behavior
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czlonkowski
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docs/testing-checklist.md
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docs/testing-checklist.md
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# n8n-MCP Testing Implementation Checklist
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## Immediate Actions (Day 1)
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- [ ] Install Vitest and remove Jest
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- [ ] Create vitest.config.ts
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- [ ] Setup global test configuration
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- [ ] Migrate existing tests to Vitest syntax
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- [ ] Create GitHub Actions workflow file
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- [ ] Setup coverage reporting with Codecov
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## Week 1: Foundation
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### Testing Infrastructure
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- [ ] Create test directory structure
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- [ ] Setup mock infrastructure for better-sqlite3
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- [ ] Create mock for n8n-nodes-base package
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- [ ] Setup test database utilities
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- [ ] Create factory pattern for nodes
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- [ ] Create builder pattern for workflows
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- [ ] Setup global test utilities
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- [ ] Configure test environment variables
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### CI/CD Pipeline
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- [ ] GitHub Actions for test execution
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- [ ] Coverage reporting integration
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- [ ] Performance benchmark tracking
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- [ ] Test result artifacts
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- [ ] Branch protection rules
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- [ ] Required status checks
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## Week 2: Mock Infrastructure
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### Database Mocking
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- [ ] Complete better-sqlite3 mock implementation
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- [ ] Mock prepared statements
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- [ ] Mock transactions
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- [ ] Mock FTS5 search functionality
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- [ ] Test data seeding utilities
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### External Dependencies
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- [ ] Mock axios for API calls
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- [ ] Mock file system operations
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- [ ] Mock MCP SDK
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- [ ] Mock Express server
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- [ ] Mock WebSocket connections
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## Week 3-4: Unit Tests
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### Core Services (Priority 1)
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- [ ] `config-validator.ts` - 95% coverage
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- [ ] `enhanced-config-validator.ts` - 95% coverage
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- [ ] `workflow-validator.ts` - 90% coverage
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- [ ] `expression-validator.ts` - 90% coverage
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- [ ] `property-filter.ts` - 90% coverage
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- [ ] `example-generator.ts` - 85% coverage
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### Parsers (Priority 2)
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- [ ] `node-parser.ts` - 90% coverage
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- [ ] `property-extractor.ts` - 90% coverage
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### MCP Layer (Priority 3)
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- [ ] `tools.ts` - 90% coverage
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- [ ] `handlers-n8n-manager.ts` - 85% coverage
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- [ ] `handlers-workflow-diff.ts` - 85% coverage
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- [ ] `tools-documentation.ts` - 80% coverage
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### Database Layer (Priority 4)
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- [ ] `node-repository.ts` - 85% coverage
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- [ ] `database-adapter.ts` - 85% coverage
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- [ ] `template-repository.ts` - 80% coverage
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### Loaders and Mappers (Priority 5)
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- [ ] `node-loader.ts` - 85% coverage
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- [ ] `docs-mapper.ts` - 80% coverage
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## Week 5-6: Integration Tests
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### MCP Protocol Tests
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- [ ] Full MCP server initialization
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- [ ] Tool invocation flow
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- [ ] Error handling and recovery
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- [ ] Concurrent request handling
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- [ ] Session management
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### n8n API Integration
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- [ ] Workflow CRUD operations
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- [ ] Webhook triggering
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- [ ] Execution monitoring
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- [ ] Authentication handling
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- [ ] Error scenarios
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### Database Integration
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- [ ] SQLite operations with real DB
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- [ ] FTS5 search functionality
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- [ ] Transaction handling
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- [ ] Migration testing
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- [ ] Performance under load
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## Week 7-8: E2E & Performance
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### End-to-End Scenarios
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- [ ] Complete workflow creation flow
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- [ ] AI agent workflow setup
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- [ ] Template import and validation
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- [ ] Workflow execution monitoring
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- [ ] Error recovery scenarios
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### Performance Benchmarks
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- [ ] Node loading speed (< 50ms per node)
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- [ ] Search performance (< 100ms for 1000 nodes)
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- [ ] Validation speed (< 10ms simple, < 100ms complex)
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- [ ] Database query performance
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- [ ] Memory usage profiling
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- [ ] Concurrent request handling
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### Load Testing
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- [ ] 100 concurrent MCP requests
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- [ ] 10,000 nodes in database
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- [ ] 1,000 workflow validations/minute
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- [ ] Memory leak detection
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- [ ] Resource cleanup verification
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## Testing Quality Gates
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### Coverage Requirements
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- [ ] Overall: 80%+
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- [ ] Core services: 90%+
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- [ ] MCP tools: 90%+
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- [ ] Critical paths: 95%+
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- [ ] New code: 90%+
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### Performance Requirements
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- [ ] All unit tests < 10ms
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- [ ] Integration tests < 1s
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- [ ] E2E tests < 10s
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- [ ] Full suite < 5 minutes
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- [ ] No memory leaks
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### Code Quality
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- [ ] No ESLint errors
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- [ ] No TypeScript errors
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- [ ] No console.log in tests
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- [ ] All tests have descriptions
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- [ ] No hardcoded values
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## Monitoring & Maintenance
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### Daily
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- [ ] Check CI pipeline status
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- [ ] Review failed tests
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- [ ] Monitor flaky tests
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### Weekly
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- [ ] Review coverage reports
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- [ ] Update test documentation
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- [ ] Performance benchmark review
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- [ ] Team sync on testing progress
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### Monthly
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- [ ] Update baseline benchmarks
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- [ ] Review and refactor tests
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- [ ] Update testing strategy
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- [ ] Training/knowledge sharing
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## Risk Mitigation
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### Technical Risks
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- [ ] Mock complexity - Use simple, maintainable mocks
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- [ ] Test brittleness - Focus on behavior, not implementation
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- [ ] Performance impact - Run heavy tests in parallel
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- [ ] Flaky tests - Proper async handling and isolation
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### Process Risks
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- [ ] Slow adoption - Provide training and examples
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- [ ] Coverage gaming - Review test quality, not just numbers
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- [ ] Maintenance burden - Automate what's possible
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- [ ] Integration complexity - Use test containers
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## Success Criteria
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### Technical Metrics
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- Coverage: 80%+ overall, 90%+ critical paths
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- Performance: All benchmarks within limits
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- Reliability: Zero flaky tests
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- Speed: CI pipeline < 5 minutes
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### Team Metrics
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- All developers writing tests
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- Tests reviewed in PRs
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- No production bugs from tested code
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- Improved development velocity
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## Resources & Tools
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### Documentation
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- Vitest: https://vitest.dev/
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- Testing Library: https://testing-library.com/
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- MSW: https://mswjs.io/
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- Testcontainers: https://www.testcontainers.com/
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### Monitoring
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- Codecov: https://codecov.io/
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- GitHub Actions: https://github.com/features/actions
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- Benchmark Action: https://github.com/benchmark-action/github-action-benchmark
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### Team Resources
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- Testing best practices guide
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- Example test implementations
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- Mock usage patterns
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- Performance optimization tips
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