x/distil
Code Issues Proposed changes

transformers: Add more tests for lead-in handling and clipping.

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Change-Id: I8b7b5b8d29bfa95d6e6c125e25754bd73de7a70e
This commit is contained in:
Chris Forbes 2014-03-24 15:59:13 +13:00
parent a4fe10a7cf
commit c436198377
1 changed files with 45 additions and 0 deletions
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45
tests/test_transformers.py
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@ -151,6 +151,51 @@ class UptimeTransformerTests(unittest.TestCase):
# there should be half an hour of usage in each of m1.tiny and m1.large
self.assertEqual({'m1.tiny': 1800, 'm1.large': 1800}, result)
def test_period_leadin_none_available(self):
"""
Test that if the first data point is well into the window, and we had no
lead-in data, we assume no usage until our first real data point.
"""
meters = {
'flavor': TestMeter([
{'timestamp': testdata.t0_10, 'counter_volume': testdata.flavor},
{'timestamp': testdata.t1, 'counter_volume': testdata.flavor},
]),
'state': TestMeter([
{'timestamp': testdata.t0_10, 'counter_volume': constants.active},
{'timestamp': testdata.t1, 'counter_volume': constants.active},
]),
}
result = self._run_transform(meters)
# there should be 50 minutes of usage; we have no idea what happened before
# that so we don't try to bill it.
self.assertEqual({'m1.tiny': 3000}, result)
@unittest.skip # this doesnt work yet
def test_period_leadin_available(self):
"""
Test that if the first data point is well into the window, but we *do*
have lead-in data, then we use the lead-in clipped to the start of the
window.
"""
meters = {
'flavor': TestMeter([
{'timestamp': testdata.tpre, 'counter_volume': testdata.flavor},
{'timestamp': testdata.t0_10, 'counter_volume': testdata.flavor},
{'timestamp': testdata.t1, 'counter_volume': testdata.flavor},
]),
'state': TestMeter([
{'timestamp': testdata.tpre, 'counter_volume': constants.active},
{'timestamp': testdata.t0_10, 'counter_volume': constants.active},
{'timestamp': testdata.t1, 'counter_volume': constants.active},
]),
}
result = self._run_transform(meters)
# there should be 60 minutes of usage; we have no idea what happened before
# that so we don't try to bill it.
self.assertEqual({'m1.tiny': 3600}, result)
class GaugeMaxTransformerTests(unittest.TestCase):
def test_wrong_metrics_type(self):