documente/TEST_COVERAGE_REPORT.md

Test Coverage Report - AgenticRAG

📊 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:

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

# 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