def test_nominal(self, mocker):
frame_mock = mocker.Mock(spec=Frame)
mocker.patch(
f"{CLASS_DEFINITION_PATH}.current",
new_callable=lambda: frame_mock,
)
fs = FrameSetFactory()
tick = TickFactory()
fs.add_tick_to_last(tick)
assert frame_mock.on_new_tick.call_args_list == [call(tick)]
def test_no_current(self, mocker):
mocker.patch(f"{CLASS_DEFINITION_PATH}.current",
new_callable=lambda: None)
fs = FrameSetFactory()
assert fs.add_tick_to_last(TickFactory()) is None
