def test_merge(self):
observer1 = ObserverAggregator()
observer2 = ObserverAggregator()
mmsc_checkpoint1 = MinMaxSumCountAggregator._TYPE(3, 150, 101, 3)
mmsc_checkpoint2 = MinMaxSumCountAggregator._TYPE(1, 33, 44, 2)
checkpoint1 = ObserverAggregator._TYPE(*(mmsc_checkpoint1 + (23, )))
checkpoint2 = ObserverAggregator._TYPE(*(mmsc_checkpoint2 + (27, )))
observer1.mmsc.checkpoint = mmsc_checkpoint1
observer2.mmsc.checkpoint = mmsc_checkpoint2
observer1.checkpoint = checkpoint1
observer2.checkpoint = checkpoint2
observer1.merge(observer2)
self.assertEqual(
observer1.checkpoint,
(
min(checkpoint1.min, checkpoint2.min),
max(checkpoint1.max, checkpoint2.max),
checkpoint1.sum + checkpoint2.sum,
checkpoint1.count + checkpoint2.count,
checkpoint2.last,
),
)
def test_merge_with_empty(self):
observer1 = ObserverAggregator()
observer2 = ObserverAggregator()
mmsc_checkpoint1 = MinMaxSumCountAggregator._TYPE(3, 150, 101, 3)
checkpoint1 = ObserverAggregator._TYPE(*(mmsc_checkpoint1 + (23, )))
observer1.mmsc.checkpoint = mmsc_checkpoint1
observer1.checkpoint = checkpoint1
observer1.merge(observer2)
self.assertEqual(observer1.checkpoint, checkpoint1)