Function _clear_singleton_cache

tests/test_async_read_write.py:22–28

()

@pytest.fixture(autouse=True)
def _clear_singleton_cache() -> Generator[None]:
    ReadWriteLock._instances.clear()
    yield
    for ref in list(ReadWriteLock._instances.valuerefs()):
        if (lock := ref()) is not None:
            lock.close()
    ReadWriteLock._instances.clear()


@pytest.fixture