Method test_to_thread_once

Lib/test/test_asyncio/test_threads.py:26–30

(self)

            await asyncio.to_thread(raise_runtime)

    async def test_to_thread_once(self):
        func = mock.Mock()

        await asyncio.to_thread(func)
        func.assert_called_once()

    async def test_to_thread_concurrent(self):
        calls = []