def test_base_hooks_pool_subscribe_listen(mocker):
callback = mocker.stub()
hp = HooksPool(listen=True)
hp.subscribe(callback, TestHook)
assert isinstance(hp.hooks[TestHook][0], TestHook)
try:
threading.Thread(target=hp.start).start()
time.sleep(0.1)
callback.assert_called_once_with()
finally:
hp.stop()
