def test_merge(self):
counter = CounterAggregator()
counter2 = CounterAggregator()
counter.checkpoint = 1.0
counter2.checkpoint = 3.0
counter.merge(counter2)
self.assertEqual(counter.checkpoint, 4.0)
def test_merge(self):
counter = CounterAggregator()
counter2 = CounterAggregator()
counter.checkpoint = 1.0
counter2.checkpoint = 3.0
counter2.last_update_timestamp = 123
counter.merge(counter2)
self.assertEqual(counter.checkpoint, 4.0)
self.assertEqual(counter.last_update_timestamp, 123)