Function handle

tests/async/test_unroute_behavior.py:463–466

(route: Route)

    route_future: "asyncio.Future[Route]" = asyncio.Future()

    async def handle(route: Route) -> None:
        route_future.set_result(route)
        await asyncio.sleep(3)
        await route.fulfill(status=200)

    async def _evaluate_ignore_exceptions() -> None:
        try: