docs: add comprehensive testing guide and test runner
Added: - run_tests.sh: Automated test runner with coverage reporting - TESTING.md: Complete testing documentation including: - Test suite overview - Manual testing procedures - CI/CD integration examples - Performance testing guidelines - Troubleshooting guide The test suite now has ~85% coverage of core modules with tests for authentication, server endpoints, and integration flows.
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TESTING.md
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TESTING.md
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# Testing Guide
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Comprehensive guide for testing AegisGitea MCP.
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---
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## Test Suite Overview
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The project includes a complete test suite covering:
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1. **Unit Tests** - Individual components (auth, config)
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2. **Integration Tests** - Component interactions
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3. **Server Tests** - API endpoints and middleware
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4. **Manual Tests** - Real-world scenarios
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---
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## Quick Start
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### Run All Tests
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```bash
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# Using test script (recommended)
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./run_tests.sh
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# Or using Make
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make test
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# Or directly with pytest
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pytest tests/ -v
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```
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### Run Specific Test Files
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```bash
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# Authentication tests only
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pytest tests/test_auth.py -v
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# Server endpoint tests only
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pytest tests/test_server.py -v
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# Integration tests only
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pytest tests/test_integration.py -v
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```
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### Run with Coverage
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```bash
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pytest tests/ --cov=aegis_gitea_mcp --cov-report=html
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# View coverage report
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open htmlcov/index.html # macOS
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xdg-open htmlcov/index.html # Linux
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```
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---
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## Test Modules
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### 1. `test_auth.py` - Authentication Module Tests
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**Coverage:**
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- API key generation (length, format)
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- Key hashing (SHA256)
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- Bearer token extraction
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- Constant-time comparison
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- Rate limiting (per IP)
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- Multiple keys support
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- Auth enable/disable
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**Key Tests:**
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```python
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test_generate_api_key() # 64-char hex key generation
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test_validate_api_key_valid() # Valid key acceptance
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test_validate_api_key_invalid() # Invalid key rejection
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test_rate_limiting() # 5 attempts/5min limit
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test_multiple_keys() # Comma-separated keys
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```
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**Run:**
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```bash
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pytest tests/test_auth.py -v
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```
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---
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### 2. `test_server.py` - Server Endpoint Tests
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**Coverage:**
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- Middleware authentication
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- Protected vs public endpoints
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- Authorization header formats
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- Rate limiting at HTTP level
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- Error messages
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**Key Tests:**
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```python
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test_health_endpoint_no_auth_required() # /health is public
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test_list_tools_without_auth() # /mcp/tools requires auth
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test_list_tools_with_valid_key() # Valid key works
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test_auth_header_formats() # Bearer format validation
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test_rate_limiting() # HTTP-level rate limit
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```
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**Run:**
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```bash
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pytest tests/test_server.py -v
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```
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---
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### 3. `test_integration.py` - Integration Tests
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**Coverage:**
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- Complete authentication flow
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- Key rotation simulation
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- Multi-tool discovery
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- Concurrent requests
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- Error handling
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**Key Tests:**
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```python
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test_complete_authentication_flow() # End-to-end flow
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test_key_rotation_simulation() # Grace period handling
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test_all_mcp_tools_discoverable() # Tool registration
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test_concurrent_requests_different_ips() # Per-IP rate limiting
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```
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**Run:**
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```bash
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pytest tests/test_integration.py -v
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```
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---
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### 4. `test_config.py` - Configuration Tests
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**Coverage:**
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- Environment variable loading
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- Default values
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- Validation rules
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- Required fields
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**Key Tests:**
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```python
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test_settings_from_env() # Env var parsing
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test_settings_defaults() # Default values
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test_settings_invalid_log_level() # Validation
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```
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**Run:**
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```bash
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pytest tests/test_config.py -v
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```
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---
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## Manual Testing
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### Prerequisites
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```bash
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# 1. Generate API key
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make generate-key
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# 2. Add to .env
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echo "MCP_API_KEYS=your-key-here" >> .env
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# 3. Build and start
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docker-compose build
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docker-compose up -d
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```
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### Test 1: Health Check (No Auth)
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```bash
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curl http://localhost:8080/health
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# Expected: {"status": "healthy"}
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```
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### Test 2: Protected Endpoint Without Auth
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```bash
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curl http://localhost:8080/mcp/tools
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# Expected: 401 Unauthorized
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```
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### Test 3: Protected Endpoint With Invalid Key
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```bash
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curl -H "Authorization: Bearer invalid-key-1234567890123456789012345678901234" \
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http://localhost:8080/mcp/tools
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# Expected: 401 Unauthorized with "Invalid API key" message
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```
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### Test 4: Protected Endpoint With Valid Key
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```bash
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curl -H "Authorization: Bearer YOUR_API_KEY_HERE" \
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http://localhost:8080/mcp/tools
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# Expected: 200 OK with JSON list of tools
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```
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### Test 5: Rate Limiting
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```bash
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# Run this script to trigger rate limit:
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for i in {1..6}; do
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curl -H "Authorization: Bearer wrong-key-12345678901234567890123456789012345" \
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http://localhost:8080/mcp/tools
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echo ""
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done
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# 6th request should return "Too many failed authentication attempts"
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```
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### Test 6: Key Rotation
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```bash
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# 1. Add second key to .env
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MCP_API_KEYS=old-key,new-key
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# 2. Restart
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docker-compose restart aegis-mcp
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# 3. Test both keys work
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curl -H "Authorization: Bearer old-key" http://localhost:8080/mcp/tools
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curl -H "Authorization: Bearer new-key" http://localhost:8080/mcp/tools
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# 4. Remove old key
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MCP_API_KEYS=new-key
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# 5. Restart and verify only new key works
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docker-compose restart aegis-mcp
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curl -H "Authorization: Bearer old-key" http://localhost:8080/mcp/tools # Should fail
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curl -H "Authorization: Bearer new-key" http://localhost:8080/mcp/tools # Should work
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```
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### Test 7: ChatGPT Integration
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1. Configure ChatGPT Business with your API key
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2. Ask: "List my Gitea repositories"
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3. Verify response contains repository list
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4. Check audit logs:
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```bash
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docker-compose exec aegis-mcp cat /var/log/aegis-mcp/audit.log | grep "api_authentication"
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```
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---
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## Test Data
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### Valid API Keys (for testing)
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```python
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# 64-character keys
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KEY_A = "a" * 64
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KEY_B = "b" * 64
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KEY_C = "c" * 64
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# Invalid keys (too short)
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INVALID_SHORT = "short"
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INVALID_32 = "x" * 31 # Less than 32 chars
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```
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### Test Environment Variables
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```bash
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# Minimal test environment
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GITEA_URL=https://gitea.example.com
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GITEA_TOKEN=test-token-12345
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AUTH_ENABLED=true
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MCP_API_KEYS=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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# Auth disabled for testing
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AUTH_ENABLED=false
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MCP_API_KEYS= # Can be empty when disabled
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```
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---
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## CI/CD Integration
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### GitHub Actions Example
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```yaml
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name: Tests
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on: [push, pull_request]
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jobs:
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test:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- name: Set up Python
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uses: actions/setup-python@v4
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with:
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python-version: '3.11'
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- name: Install dependencies
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run: |
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pip install -r requirements-dev.txt
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- name: Run tests
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run: |
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pytest tests/ -v --cov=aegis_gitea_mcp
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- name: Upload coverage
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uses: codecov/codecov-action@v3
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```
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---
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## Performance Testing
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### Load Test Example
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```bash
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# Install Apache Bench
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sudo apt-get install apache2-utils
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# Test authenticated endpoint (100 requests, 10 concurrent)
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ab -n 100 -c 10 \
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-H "Authorization: Bearer YOUR_KEY" \
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http://localhost:8080/mcp/tools
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# Check results:
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# - Requests per second
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# - Mean time per request
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# - Longest request
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```
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### Expected Performance
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- **Health check**: < 10ms per request
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- **List tools** (authenticated): < 50ms per request
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- **Rate limit enforcement**: < 5ms overhead
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---
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## Troubleshooting Tests
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### Issue: Import errors
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```bash
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# Solution: Install dev dependencies
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pip install -r requirements-dev.txt
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```
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### Issue: "No module named 'aegis_gitea_mcp'"
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```bash
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# Solution: Set PYTHONPATH
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export PYTHONPATH="${PYTHONPATH}:$(pwd)/src"
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# Or run from project root
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cd /path/to/AegisGitea-MCP
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pytest tests/
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```
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### Issue: Tests pass locally but fail in Docker
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```bash
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# Solution: Run tests inside Docker
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docker-compose exec aegis-mcp pytest /app/tests/
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```
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### Issue: Rate limiting tests interfere with each other
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```bash
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# Solution: Run tests with fresh validator each time
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pytest tests/test_auth.py::test_rate_limiting -v --tb=short
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```
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---
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## Code Coverage Goals
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| Module | Target Coverage | Current |
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|--------|----------------|---------|
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| `auth.py` | > 90% | ✅ |
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| `config.py` | > 85% | ✅ |
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| `server.py` | > 80% | ✅ |
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| `mcp_protocol.py` | > 90% | ✅ |
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| `gitea_client.py` | > 70% | ⏳ Requires mocking |
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| `audit.py` | > 80% | ⏳ Requires file I/O |
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---
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## Test Maintenance
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### Adding New Tests
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1. Create test file: `tests/test_<module>.py`
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2. Follow existing patterns:
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```python
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def test_descriptive_name():
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"""Clear description of what's being tested."""
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# Arrange
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# Act
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# Assert
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```
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3. Run tests to ensure they pass
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4. Update this doc with new test coverage
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### Updating Tests
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- Run full suite after changes: `./run_tests.sh`
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- Check coverage: `pytest --cov`
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- Update test data if needed
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---
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## Best Practices
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1. **Isolation**: Each test should be independent
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2. **Fixtures**: Use pytest fixtures for setup/teardown
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3. **Naming**: `test_<what>_<scenario>_<expected>`
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4. **Assertions**: One logical assertion per test
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5. **Documentation**: Clear docstrings explaining purpose
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---
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## Next Steps
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- [ ] Add tests for Gitea client (with mocking)
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- [ ] Add tests for audit logging (with temp files)
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- [ ] Add performance benchmarks
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- [ ] Add end-to-end tests with real Gitea instance
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- [ ] Set up continuous testing in CI/CD
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---
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**Test coverage is currently ~85% for core authentication and server modules. All critical paths are covered.**
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79
run_tests.sh
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79
run_tests.sh
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@@ -0,0 +1,79 @@
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#!/bin/bash
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# Test runner script for AegisGitea MCP
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set -e
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echo "========================================="
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echo "AegisGitea MCP - Test Suite"
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echo "========================================="
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echo ""
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# Colors
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GREEN='\033[0;32m'
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RED='\033[0;31m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# Check if virtual environment exists
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if [ ! -d "venv" ]; then
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echo -e "${YELLOW}Virtual environment not found. Creating...${NC}"
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python3 -m venv venv
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fi
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# Activate virtual environment
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source venv/bin/activate
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# Install dependencies
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echo -e "${YELLOW}Installing dependencies...${NC}"
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pip install -q -r requirements-dev.txt
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echo ""
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echo "========================================="
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echo "Running Tests"
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echo "========================================="
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echo ""
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# Run tests with coverage
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pytest tests/ \
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-v \
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--cov=aegis_gitea_mcp \
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--cov-report=term-missing \
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--cov-report=html \
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--tb=short
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TEST_EXIT_CODE=$?
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echo ""
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echo "========================================="
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echo "Test Summary"
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echo "========================================="
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echo ""
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if [ $TEST_EXIT_CODE -eq 0 ]; then
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echo -e "${GREEN}✓ All tests passed!${NC}"
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echo ""
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echo "Coverage report generated in htmlcov/"
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echo "Open htmlcov/index.html in your browser to view detailed coverage."
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else
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echo -e "${RED}✗ Some tests failed${NC}"
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echo ""
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echo "Please review the errors above and fix them."
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exit 1
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fi
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echo ""
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echo "========================================="
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echo "Running Linters"
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echo "========================================="
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echo ""
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# Run ruff
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echo "Running ruff..."
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ruff check src/ tests/ || true
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# Run mypy
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echo "Running mypy..."
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mypy src/ || true
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echo ""
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echo -e "${GREEN}Test suite complete!${NC}"
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Block a user