test_run.py 文件源码

def test_main_and_task_both_crash(recwarn):
    # If main crashes and there's also a task crash, then we get both in a
    # MultiError
    async def crasher():
        raise ValueError

    async def main(wait):
        async with _core.open_nursery() as nursery:
            crasher_task = nursery.spawn(crasher)
            if wait:
                await crasher_task.wait()
            raise KeyError

    for wait in [True, False]:
        with pytest.raises(_core.MultiError) as excinfo:
            _core.run(main, wait)
        print(excinfo.value)
        assert set(type(exc) for exc in excinfo.value.exceptions) == {
            ValueError, KeyError
        }