from fastapi import Depends

# app dependency definition (in app code)
def get_runtime():
    return app.state.runtime

@app.get("/agents")
async def list_agents(runtime = Depends(get_runtime)):
    return await runtime.list_agents()

# test override
@pytest.fixture
def client_override_dep():
    fake_runtime = Mock()
    fake_runtime.list_agents = AsyncMock(return_value=[{"id": "a1"}])

    from dotigent.backend.app.main import app, get_runtime
    app.dependency_overrides[get_runtime] = lambda: fake_runtime
    try:
        with TestClient(app) as client:
            yield client
    finally:
        app.dependency_overrides.clear()