Method test_close

Lib/test/test_asyncio/test_events.py:1960–1994

(self)

            self.loop.run_until_complete(coro)

    def test_close(self):
        self.loop.close()

        async def test():
            pass

        func = lambda: False
        coro = test()
        self.addCleanup(coro.close)

        # operation blocked when the loop is closed
        with self.assertRaises(RuntimeError):
            self.loop.run_forever()
        with self.assertRaises(RuntimeError):
            fut = self.loop.create_future()
            self.loop.run_until_complete(fut)
        with self.assertRaises(RuntimeError):
            self.loop.call_soon(func)
        with self.assertRaises(RuntimeError):
            self.loop.call_soon_threadsafe(func)
        with self.assertRaises(RuntimeError):
            self.loop.call_later(1.0, func)
        with self.assertRaises(RuntimeError):
            self.loop.call_at(self.loop.time() + .0, func)
        with self.assertRaises(RuntimeError):
            self.loop.create_task(coro)
        with self.assertRaises(RuntimeError):
            self.loop.add_signal_handler(signal.SIGTERM, func)

        # run_in_executor test is tricky: the method is a coroutine,
        # but run_until_complete cannot be called on closed loop.
        # Thus iterate once explicitly.
        with self.assertRaises(RuntimeError):
            it = self.loop.run_in_executor(None, func).__await__()
            next(it)


class SubprocessTestsMixin: