Files
LEANN/tests/README.md
Andy Lee 3e53d3d264 docs: remove obsolete C++ ABI compatibility warnings
- Remove outdated macOS C++ compatibility warnings from README
- Simplify CI workflow by removing macOS-specific failure handling
- All tests now pass consistently on macOS after ABI fixes
2025-07-28 14:54:47 -07:00

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LEANN Tests

This directory contains automated tests for the LEANN project using pytest.

Test Files

test_readme_examples.py

Tests the examples shown in README.md:

  • The basic example code that users see first
  • Import statements work correctly
  • Different backend options (HNSW, DiskANN)
  • Different LLM configuration options

test_basic.py

Basic functionality tests that verify:

  • All packages can be imported correctly
  • C++ extensions (FAISS, DiskANN) load properly
  • Basic index building and searching works for both HNSW and DiskANN backends
  • Uses parametrized tests to test both backends

test_main_cli.py

Tests the main CLI example functionality:

  • Tests with facebook/contriever embeddings
  • Tests with OpenAI embeddings (if API key is available)
  • Tests error handling with invalid parameters
  • Verifies that normalized embeddings are detected and cosine distance is used

Running Tests

Install test dependencies:

# Using extras
uv pip install -e ".[test]"

Run all tests:

pytest tests/

# Or with coverage
pytest tests/ --cov=leann --cov-report=html

# Run in parallel (faster)
pytest tests/ -n auto

Run specific tests:

# Only basic tests
pytest tests/test_basic.py

# Only tests that don't require OpenAI
pytest tests/ -m "not openai"

# Skip slow tests
pytest tests/ -m "not slow"

Run with specific backend:

# Test only HNSW backend
pytest tests/test_basic.py::test_backend_basic[hnsw]

# Test only DiskANN backend
pytest tests/test_basic.py::test_backend_basic[diskann]

CI/CD Integration

Tests are automatically run in GitHub Actions:

  1. After building wheel packages
  2. On multiple Python versions (3.9 - 3.13)
  3. On both Ubuntu and macOS
  4. Using pytest with appropriate markers and flags

pytest.ini Configuration

The pytest.ini file configures:

  • Test discovery paths
  • Default timeout (600 seconds)
  • Environment variables (HF_HUB_DISABLE_SYMLINKS, TOKENIZERS_PARALLELISM)
  • Custom markers for slow and OpenAI tests
  • Verbose output with short tracebacks

Known Issues

  • OpenAI tests are automatically skipped if no API key is provided