def test_activity_deduplicate_tzerror(self):
        ''' Test that probably-duplicate activities with starttimes like 09:12:22 and 15:12:22 (on the same day) are recognized as one '''
        svcA, svcB = TestTools.create_mock_services()
        recA = TestTools.create_mock_svc_record(svcA)
        recB = TestTools.create_mock_svc_record(svcB)
        actA = TestTools.create_random_activity(svcA, tz=pytz.timezone("America/Iqaluit"))
        actB = Activity()
        actB.StartTime = actA.StartTime.replace(tzinfo=pytz.timezone("America/Denver")) + timedelta(hours=5)
        actB.ServiceDataCollection = TestTools.create_mock_servicedatacollection(svcB)
        actA.Name = "Not this"
        actB.Name = "Heya"
        actB.Type = ActivityType.Walking
        actA.CalculateUID()
        actB.CalculateUID()

        s = SynchronizationTask(None)
        s._activities = []
        s._accumulateActivities(recB, [copy.deepcopy(actB)])
        s._accumulateActivities(recA, [copy.deepcopy(actA)])

        self.assertEqual(len(s._activities), 1)

        # Ensure that it is deduplicated on non-exact match
        actB.StartTime = actA.StartTime.replace(tzinfo=pytz.timezone("America/Denver")) + timedelta(hours=5, seconds=1)
        s._activities = []
        s._accumulateActivities(recB, [copy.deepcopy(actB)])
        s._accumulateActivities(recA, [copy.deepcopy(actA)])

        self.assertEqual(len(s._activities), 1)

        # Ensure that it is *not* deduplicated when it really doesn't match
        actB.StartTime = actA.StartTime.replace(tzinfo=pytz.timezone("America/Denver")) + timedelta(hours=5, minutes=7)
        s._activities = []
        s._accumulateActivities(recB, [copy.deepcopy(actB)])
        s._accumulateActivities(recA, [copy.deepcopy(actA)])

        self.assertEqual(len(s._activities), 2)

        # Ensure that overly large differences >38hr - not possible via TZ differences & shamefully bad import/export code on the part of some services - are not deduplicated
        actB.StartTime = actA.StartTime.replace(tzinfo=pytz.timezone("America/Denver")) + timedelta(hours=50)
        s._activities = []
        s._accumulateActivities(recB, [copy.deepcopy(actB)])
        s._accumulateActivities(recA, [copy.deepcopy(actA)])

        self.assertEqual(len(s._activities), 2)
 Test that probably-duplicate activities with starttimes like 09:12:22 and 15:12:22 (on the same day) are recognized as one 
tapiriik/testing/sync.py