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3 Commits

Author SHA1 Message Date
czlonkowski
fbce712714 fix: add validation warnings for suspicious property names in expressions 
- Detects suspicious property names like 'invalidExpression', 'undefined', 'null', 'test'
- Produces warnings to help catch potential typos or test data in production code
- Fixes the failing CI test for expression validation
 2025-09-29 20:31:54 +02:00
czlonkowski
6699a1d34c test: implement comprehensive testing improvements from PR #104 review 
Major improvements based on comprehensive test suite review:

Test Fixes:
- Fix all 78 failing tests across logger, MSW, and validator tests
- Fix console spy management in logger tests with proper DEBUG env handling
- Fix MSW test environment restoration in session-management.test.ts
- Fix workflow validator tests by adding proper node connections
- Fix mock setup issues in edge case tests

Test Organization:
- Split large config-validator.test.ts (1,075 lines) into 4 focused files
- Rename 63+ tests to follow "should X when Y" naming convention
- Add comprehensive edge case test files for all major validators
- Create tests/README.md with testing guidelines and best practices

New Features:
- Add ConfigValidator.validateBatch() method for bulk validation
- Add edge case coverage for null/undefined, boundaries, invalid data
- Add CI-aware performance test timeouts
- Add JSDoc comments to test utilities and factories
- Add workflow duplicate node name validation tests

Results:
- All tests passing: 1,356 passed, 19 skipped
- Test coverage: 85.34% statements, 85.3% branches
- From 78 failures to 0 failures

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-07-30 13:44:35 +02:00
czlonkowski
533b1acc20 feat: implement comprehensive workflow validation (v2.5.0) 
Major Features:
- Add ExpressionValidator for n8n expression syntax validation
- Add WorkflowValidator for complete workflow structure validation
- Add three new MCP tools: validate_workflow, validate_workflow_connections, validate_workflow_expressions

Validation Capabilities:
- ✅ Detects workflow cycles (infinite loops)
- ✅ Validates n8n expressions with syntax checking
- ✅ Checks node references in expressions
- ✅ Identifies orphaned nodes and missing connections
- ✅ Supports multiple node type formats (n8n-nodes-base, @n8n/n8n-nodes-langchain)
- ✅ Provides actionable error messages and suggestions

Testing & Analysis:
- Add test scripts for workflow validation
- Add template validation testing
- Add validation summary analysis tool
- Fixed expression validation false positives
- Handle node type normalization correctly

Results from testing 50 real n8n templates:
- 70.9% of errors are from informal sticky notes
- Expression validation catches real syntax issues
- Cycle detection prevents runtime infinite loops
- Successfully validates both core and LangChain nodes

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-06-24 14:45:36 +02:00