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Diffstat (limited to '')
-rw-r--r-- | tests/metrics/test_metric.py | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/tests/metrics/test_metric.py b/tests/metrics/test_metric.py deleted file mode 100644 index 069c0be762..0000000000 --- a/tests/metrics/test_metric.py +++ /dev/null @@ -1,192 +0,0 @@ -# -*- coding: utf-8 -*- -# Copyright 2015, 2016 OpenMarket Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from tests import unittest - -from synapse.metrics.metric import ( - CounterMetric, CallbackMetric, DistributionMetric, CacheMetric, - _escape_label_value, -) - - -class CounterMetricTestCase(unittest.TestCase): - - def test_scalar(self): - counter = CounterMetric("scalar") - - self.assertEquals(counter.render(), [ - 'scalar 0', - ]) - - counter.inc() - - self.assertEquals(counter.render(), [ - 'scalar 1', - ]) - - counter.inc_by(2) - - self.assertEquals(counter.render(), [ - 'scalar 3' - ]) - - def test_vector(self): - counter = CounterMetric("vector", labels=["method"]) - - # Empty counter doesn't yet know what values it has - self.assertEquals(counter.render(), []) - - counter.inc("GET") - - self.assertEquals(counter.render(), [ - 'vector{method="GET"} 1', - ]) - - counter.inc("GET") - counter.inc("PUT") - - self.assertEquals(counter.render(), [ - 'vector{method="GET"} 2', - 'vector{method="PUT"} 1', - ]) - - -class CallbackMetricTestCase(unittest.TestCase): - - def test_scalar(self): - d = dict() - - metric = CallbackMetric("size", lambda: len(d)) - - self.assertEquals(metric.render(), [ - 'size 0', - ]) - - d["key"] = "value" - - self.assertEquals(metric.render(), [ - 'size 1', - ]) - - def test_vector(self): - vals = dict() - - metric = CallbackMetric("values", lambda: vals, labels=["type"]) - - self.assertEquals(metric.render(), []) - - # Keys have to be tuples, even if they're 1-element - vals[("foo",)] = 1 - vals[("bar",)] = 2 - - self.assertEquals(metric.render(), [ - 'values{type="bar"} 2', - 'values{type="foo"} 1', - ]) - - -class DistributionMetricTestCase(unittest.TestCase): - - def test_scalar(self): - metric = DistributionMetric("thing") - - self.assertEquals(metric.render(), [ - 'thing:count 0', - 'thing:total 0', - ]) - - metric.inc_by(500) - - self.assertEquals(metric.render(), [ - 'thing:count 1', - 'thing:total 500', - ]) - - def test_vector(self): - metric = DistributionMetric("queries", labels=["verb"]) - - self.assertEquals(metric.render(), []) - - metric.inc_by(300, "SELECT") - metric.inc_by(200, "SELECT") - metric.inc_by(800, "INSERT") - - self.assertEquals(metric.render(), [ - 'queries:count{verb="INSERT"} 1', - 'queries:count{verb="SELECT"} 2', - 'queries:total{verb="INSERT"} 800', - 'queries:total{verb="SELECT"} 500', - ]) - - -class CacheMetricTestCase(unittest.TestCase): - - def test_cache(self): - d = dict() - - metric = CacheMetric("cache", lambda: len(d), "cache_name") - - self.assertEquals(metric.render(), [ - '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() - d["key"] = "value" - - self.assertEquals(metric.render(), [ - '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() - - 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"} 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', - ]) - - -class LabelValueEscapeTestCase(unittest.TestCase): - def test_simple(self): - string = "safjhsdlifhyskljfksdfh" - self.assertEqual(string, _escape_label_value(string)) - - def test_escape(self): - self.assertEqual( - "abc\\\"def\\nghi\\\\", - _escape_label_value("abc\"def\nghi\\"), - ) - - def test_sequence_of_escapes(self): - self.assertEqual( - "abc\\\"def\\nghi\\\\\\n", - _escape_label_value("abc\"def\nghi\\\n"), - ) |