assert state.app_shutdown is True


def test_router_sync_generator_lifespan(state: State) -> None:
    """Test that a sync generator lifespan works via _wrap_gen_lifespan_context."""
    from collections.abc import Generator

    def lifespan(app: FastAPI) -> Generator[None, None, None]:
        state.app_startup = True
        yield
        state.app_shutdown = True

    ) -> bool | None:
        return self._cm.__exit__(exc_type, exc_value, traceback)


# Vendored from starlette.routing to avoid importing private symbols
def _wrap_gen_lifespan_context(
    lifespan_context: Callable[[Any], Generator[Any, Any, Any]],
) -> Callable[[Any], AbstractAsyncContextManager[Any]]:
    """
    Wrap a generator-based lifespan context into an async context manager.