Merge pull request #3256 from matrix-org/3218-official-prom

Switch to the Python Prometheus library

3 files changed, 3 insertions, 192 deletions

diff --git a/tests/__init__.py b/tests/__init__.py
index bfebb0f644..aab20e8e02 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -12,3 +12,6 @@
 # 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 twisted.trial import util
+util.DEFAULT_TIMEOUT_DURATION = 10
diff --git a/tests/metrics/__init__.py b/tests/metrics/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
--- a/tests/metrics/__init__.py
+++ /dev/null
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"),
-        )