def test_large_rewind(self):
"""
We should notify if the seq is significantly less than the previous and not update the seq
"""
seq = '{}-blahblah'.format(EPSILON + 10)
self.pillow.set_checkpoint({'seq': seq})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
seq_rewind = '9-blahblah'
self.pillow.set_checkpoint({'seq': seq_rewind})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
has_rewound, historical_seq = check_for_rewind(self.pillow.checkpoint)
self.assertTrue(has_rewound)
self.assertEqual(historical_seq, seq)
def test_large_rewind(self):
"""
We should notify if the seq is significantly less than the previous and not update the seq
"""
seq = '{}-blahblah'.format(EPSILON + 10)
self.pillow.set_checkpoint({'seq': seq})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
seq_rewind = '9-blahblah'
self.pillow.set_checkpoint({'seq': seq_rewind})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
has_rewound, historical_seq = check_for_rewind(self.pillow.checkpoint)
self.assertTrue(has_rewound)
self.assertEqual(historical_seq, seq)
def test_small_rewind(self):
"""
We should not notify if the seq is not significantly less than the previous
"""
seq = '10-blahblah'
self.pillow.set_checkpoint({'seq': seq})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
seq_rewind = '9-blahblah'
self.pillow.set_checkpoint({'seq': seq_rewind})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
has_rewound, historical_seq = check_for_rewind(self.pillow.checkpoint)
self.assertFalse(has_rewound)
self.assertEqual(historical_seq, seq)
def test_small_rewind(self):
"""
We should not notify if the seq is not significantly less than the previous
"""
seq = '10-blahblah'
self.pillow.set_checkpoint({'seq': seq})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
seq_rewind = '9-blahblah'
self.pillow.set_checkpoint({'seq': seq_rewind})
HistoricalPillowCheckpoint.create_checkpoint_snapshot(self.pillow.checkpoint)
has_rewound, historical_seq = check_for_rewind(self.pillow.checkpoint)
self.assertFalse(has_rewound)
self.assertEqual(historical_seq, seq)