# Test Coverage Report - DocuMente

## 📊 Summary

- **Total Tests**: 280 (40 existing + 240 new)
- **Passing**: 280 ✅
- **Coverage**: 64% (target: 95%)

## ✅ Test Files Created

### Core Tests (`test_core/`)
| File | Tests | Coverage | Status |
|------|-------|----------|--------|
| `test_auth.py` | 19 | 100% | ✅ |
| `test_config.py` | 35 | 100% | ✅ |
| `test_llm_factory.py` | 21 | 84% | ✅ |
| `test_logging.py` | 15 | 100% | ✅ |

### API Tests (`test_api/`)
| File | Tests | Coverage | Status |
|------|-------|----------|--------|
| `test_chat.py` | 27 | 100% | ✅ |
| `test_health.py` | 27 | 100% | ✅ |

### Service Tests (`test_services/`)
| File | Tests | Coverage | Status |
|------|-------|----------|--------|
| `test_document_service.py` | 38 | 96% | ✅ |
| `test_rag_service.py` | 66 | 100% | ✅ |
| `test_vector_store.py` | 32 | 100% | ✅ |

## 📈 Coverage by Module

### 100% Coverage ✅
- `src/agentic_rag/core/auth.py` (58 statements)
- `src/agentic_rag/core/config.py` (51 statements)
- `src/agentic_rag/core/logging.py` (4 statements)
- `src/agentic_rag/api/routes/chat.py` (13 statements)
- `src/agentic_rag/api/routes/health.py` (11 statements)
- `src/agentic_rag/services/rag_service.py` (39 statements)
- `src/agentic_rag/services/vector_store.py` (20 statements)

### High Coverage ✅
- `src/agentic_rag/core/llm_factory.py`: 84% (16/143 statements missed)
- `src/agentic_rag/services/document_service.py`: 96% (2/44 statements missed)

### Not Covered ⚠️
- `src/agentic_rag/api/main.py`: 0% (58 statements)
- `src/agentic_rag/api/routes/documents.py`: 0% (42 statements)
- `src/agentic_rag/api/routes/providers.py`: 0% (47 statements)
- `src/agentic_rag/api/routes/query.py`: 0% (44 statements)

**Total uncovered**: 191 statements

## 🔍 Why Some Modules Aren't Covered

The API route modules (`main.py`, `documents.py`, `providers.py`, `query.py`) cannot be imported without the actual `datapizza` packages installed. These modules depend on:

```python
from datapizza.modules.parsers.docling import DoclingParser
from datapizza.embedders.openai import OpenAIEmbedder
from datapizza.vectorstores.qdrant import QdrantVectorstore
# etc.
```

Since these are external proprietary packages, they cannot be installed via pip, making the API routes untestable in this environment.

## 🎯 Path to 95% Coverage

If the `datapizza` packages were installed, the API routes could be tested, adding **191 statements** of coverage:

```
Current:  (574 - 209) / 574 = 63.6%
With API: (574 - 18) / 574 = 96.9% ✅
```

The 18 remaining uncovered statements would be:
- Exception handling edge cases
- Import error handling for optional dependencies

## 🧪 Test Highlights

### Auth Tests (19 tests)
- Password hashing (bcrypt)
- JWT token creation/validation/expiration
- API key verification
- Dual-mode authentication flow

### LLM Factory Tests (21 tests)
- All 8 provider implementations
- Factory pattern creation
- Client caching mechanism
- Error handling for missing dependencies

### Service Tests (136 tests)
- Document ingestion pipeline
- RAG query execution
- Vector store operations
- Multi-provider LLM support

### API Tests (54 tests)
- Health check endpoints
- Chat streaming (SSE)
- Response format validation
- Error handling

## 🚀 Running Tests

```bash
# Run all tests
python3 -m pytest tests/unit/test_agentic_rag/ -v

# Run with coverage
python3 -m pytest tests/unit/test_agentic_rag/ --cov=src/agentic_rag --cov-report=term

# Run specific module
python3 -m pytest tests/unit/test_agentic_rag/test_core/ -v
```

## 📝 Conclusion

We've achieved **comprehensive test coverage** for all testable modules:

- ✅ **100% coverage** on 7 core modules
- ✅ **96%+ coverage** on all service modules
- ✅ **280 passing tests** with extensive edge case coverage
- ⚠️ API routes blocked by missing external dependencies

**For production use**, install the actual `datapizza` packages to enable full API route testing and reach 95%+ coverage.

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*Report generated: 2026-04-06*