# class TesDueDatetModel(TestCase):
#
#     def test_get_next_duedate_qs_is_really_next(self):
#         pass
# start = timezone.now() - datetime.timedelta(days=18)
# generate_duedates(start=start)
# self.assertEqual(DueDate.objects.count(), 20)
# self.assertEqual(DueDate.get_next_duedates_qs().count(), 2)

# def test_event_model_factory_validation(self):
#     e = DueDateFactory()
#     e.start = get_date("Jan 01 2021")
#     e.end = get_date("Jan 02 2021")
#     e.validate()
#     self.assertTrue(True)
#
# def test_event_model_factory_validation_invalid(self):
#     e = DueDateFactory()
#     e.start = get_date("Jan 04 2021")
#     e.end = get_date("Jan 02 2021")
#     self.assertRaises(ValueError, e.validate)
#
#
# def generate_duedates(start=timezone.now()):
#     for i in range(20):
#         DueDateFactory(
#             title=f"{i}",
#             start=start + datetime.timedelta(days=i),
#             end=start + datetime.timedelta(days=i, hours=1),
#         )