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Jeroen UbbinkandClaude Fable 5
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The failover loop resolved a single Model for the request and reused it for every provider: a fallback provider was asked to serve the routing winner's model id and billed at the winner's pricing and fee. The alias map now keeps (model, provider) candidate pairs, the proxy rebinds both per attempt, and forwarding, max-cost echo, and settlement all use the candidate actually being tried. On a failover serve the response's model field now names the serving candidate's id. The unified candidate lookup also applies the version-suffix strip (-YYYYMMDD) that model resolution already had, so version-suffixed requests no longer resolve a model yet 400 with "no provider found". Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
FastAPI Async Unit Tests
This directory contains async unit tests for the Routstr proxy FastAPI application.
Installation
First, ensure you have the development dependencies installed:
uv pip install -e ".[dev]"
Running Tests
To run all tests:
pytest
To run tests with coverage:
pytest --cov=routstr --cov-report=html
To run specific test files:
pytest tests/test_main.py
pytest tests/test_models.py
pytest tests/test_proxy.py
To run only async tests:
pytest -m asyncio
Test Structure
conftest.py- Pytest fixtures and configurationtest_main.py- Tests for main app endpointstest_account.py- Tests for wallet/account management endpointstest_proxy.py- Tests for the proxy functionality with mocked upstreamtest_models.py- Tests for model pricing and data structures
Key Fixtures
async_client- Async HTTP client for testing FastAPI endpointstest_session- In-memory SQLite database session for teststest_api_key- Pre-configured API key with balanceapi_key_with_balance- API key with sufficient balance for proxy tests
Environment Variables
The tests automatically set up required environment variables in conftest.py. No manual configuration needed.
Writing New Tests
- Use
@pytest.mark.asynciofor async tests - Use the provided fixtures for database and client access
- Mock external dependencies (like upstream API calls)
- Test both success and error cases
- Verify database state changes when applicable