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authorRichard van der Hoff <github@rvanderhoff.org.uk>2018-02-05 16:34:36 +0100
committerGitHub <noreply@github.com>2018-02-05 16:34:36 +0100
commitdb91e72adee90f7d7bacf25f0ed517074c46e64a (patch)
treee6e8d43cd2c17bb056fb798c059d72451dd210a8 /tests
parentFix broken unit test for media storage (diff)
parentreport metrics on number of cache evictions (diff)
downloadsynapse-db91e72adee90f7d7bacf25f0ed517074c46e64a.tar.xz
Merge pull request #2844 from matrix-org/rav/evicted_metrics
montoring metrics for number of cache evictions
Diffstat (limited to 'tests')
-rw-r--r--tests/metrics/test_metric.py12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/metrics/test_metric.py b/tests/metrics/test_metric.py
index f85455a5af..39bde6e3f8 100644
--- a/tests/metrics/test_metric.py
+++ b/tests/metrics/test_metric.py
@@ -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',
         ])