Function test_app_async_gen_lifespan

tests/test_applications.py:422–440

(test_client_factory: TestClientFactory)

@deprecated_lifespan
def test_app_async_gen_lifespan(test_client_factory: TestClientFactory) -> None:
    startup_complete = False
    cleanup_complete = False

    async def lifespan(app: ASGIApp) -> AsyncGenerator[None, None]:
        nonlocal startup_complete, cleanup_complete
        startup_complete = True
        yield
        cleanup_complete = True

    app = Starlette(lifespan=lifespan)  # type: ignore

    assert not startup_complete
    assert not cleanup_complete
    with test_client_factory(app):
        assert startup_complete
        assert not cleanup_complete
    assert startup_complete
    assert cleanup_complete


@deprecated_lifespan