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"),
- )
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