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report metrics on number of cache evictions

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This commit is contained in:
Richard van der Hoff 2018-02-01 17:57:51 +00:00
parent 77c0629ebc
commit bc496df192
5 changed files with 56 additions and 5 deletions
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12
tests/metrics/test_metric.py
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@ -141,6 +141,7 @@ class CacheMetricTestCase(unittest.TestCase):
'cache:hits{name="cache_name"} 0',
'cache:total{name="cache_name"} 0',
'cache:size{name="cache_name"} 0',
'cache:evicted_size{name="cache_name"} 0',
])
metric.inc_misses()
@ -150,6 +151,7 @@ class CacheMetricTestCase(unittest.TestCase):
'cache:hits{name="cache_name"} 0',
'cache:total{name="cache_name"} 1',
'cache:size{name="cache_name"} 1',
'cache:evicted_size{name="cache_name"} 0',
])
metric.inc_hits()
@ -158,4 +160,14 @@ class CacheMetricTestCase(unittest.TestCase):
'cache:hits{name="cache_name"} 1',
'cache:total{name="cache_name"} 2',
'cache:size{name="cache_name"} 1',
'cache:evicted_size{name="cache_name"} 0',
])
metric.inc_evictions(2)
self.assertEquals(metric.render(), [
'cache:hits{name="cache_name"} 1',
'cache:total{name="cache_name"} 2',
'cache:size{name="cache_name"} 1',
'cache:evicted_size{name="cache_name"} 2',
])