def test_offset__invalid(self):
epic = EpicFactory()
frame_set_mock = ["frame1", "frame2"]
epic.frame_sets = {"my_fs": frame_set_mock}
assert epic.get_frame("my_fs", 2) is None
def test_offset(self):
epic = EpicFactory()
frame_set_mock = ["frame1", "frame2"]
epic.frame_sets = {"my_fs": frame_set_mock}
assert epic.get_frame("my_fs", 1) == "frame1"