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b49043171e60c59e921d24228c7b8a808891c367
n8n-mcp/tests/unit/services/config-validator.test.summary.md
czlonkowski b49043171e test: Phase 3 - Create comprehensive unit tests for services 
- Add unit tests for ConfigValidator with 44 test cases (95.21% coverage)
- Create test templates for 7 major services:
  - PropertyFilter (23 tests)
  - ExampleGenerator (35 tests)
  - TaskTemplates (36 tests)
  - PropertyDependencies (21 tests)
  - EnhancedConfigValidator (8 tests)
  - ExpressionValidator (11 tests)
  - WorkflowValidator (9 tests)
- Fix service implementations to handle edge cases discovered during testing
- Add comprehensive testing documentation:
  - Phase 3 testing plan with priorities and timeline
  - Context documentation for quick implementation
  - Mocking strategy for complex dependencies
- All 262 tests now passing (up from 75)

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

Co-Authored-By: Claude <noreply@anthropic.com>
2025-07-28 14:15:09 +02:00

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ConfigValidator Test Summary

Task Completed: 3.1 - Unit Tests for ConfigValidator

Overview

Created comprehensive unit tests for the ConfigValidator service with 44 test cases covering all major functionality.

Test Coverage

  • Statement Coverage: 95.21%
  • Branch Coverage: 92.94%
  • Function Coverage: 100%
  • Line Coverage: 95.21%

Test Categories

1. Basic Validation (Original 26 tests)

  • Required fields validation
  • Property type validation
  • Option value validation
  • Property visibility based on displayOptions
  • Node-specific validation (HTTP Request, Webhook, Database, Code)
  • Security checks
  • Syntax validation for JavaScript and Python
  • n8n-specific patterns

2. Edge Cases and Additional Coverage (18 new tests)

  • Null and undefined value handling
  • Nested displayOptions conditions
  • Hide conditions in displayOptions
  • $helpers usage validation
  • External library warnings
  • Crypto module usage
  • API authentication warnings
  • SQL performance suggestions
  • Empty code handling
  • Complex return patterns
  • Console.log/print() warnings
  • $json usage warnings
  • Internal property handling
  • Async/await validation

Key Features Tested

  1. Required Field Validation

    • Missing required properties
    • Conditional required fields based on displayOptions

  2. Type Validation

    • String, number, boolean type checking
    • Null/undefined handling

  3. Security Validation

    • Hardcoded credentials detection
    • SQL injection warnings
    • eval/exec usage
    • Infinite loop detection

  4. Code Node Validation

    • JavaScript syntax checking
    • Python syntax checking
    • n8n return format validation
    • Missing return statements
    • External library usage

  5. Performance Suggestions

    • SELECT * warnings
    • Unused property warnings
    • Common property suggestions

  6. Node-Specific Validation

    • HTTP Request: URL validation, body requirements
    • Webhook: Response mode validation
    • Database: Query security
    • Code: Syntax and patterns

Test Infrastructure

  • Uses Vitest testing framework
  • Mocks better-sqlite3 database
  • Uses node factory from fixtures
  • Follows established test patterns
  • Comprehensive assertions for errors, warnings, and suggestions