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synapse/tests/test_phone_home.py
Amber Brown 4e1c7b79fa
Remove the psutil dependency (#6318)
* remove psutil and replace with resource
2019-11-05 05:05:48 +11:00

51 lines
1.8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2019 Matrix.org Foundation C.I.C.
#
# 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.
import resource
import mock
from synapse.app.homeserver import phone_stats_home
from tests.unittest import HomeserverTestCase
class PhoneHomeStatsTestCase(HomeserverTestCase):
def test_performance_frozen_clock(self):
"""
If time doesn't move, don't error out.
"""
past_stats = [
(self.hs.get_clock().time(), resource.getrusage(resource.RUSAGE_SELF))
]
stats = {}
self.get_success(phone_stats_home(self.hs, stats, past_stats))
self.assertEqual(stats["cpu_average"], 0)
def test_performance_100(self):
"""
1 second of usage over 1 second is 100% CPU usage.
"""
real_res = resource.getrusage(resource.RUSAGE_SELF)
old_resource = mock.Mock(spec=real_res)
old_resource.ru_utime = real_res.ru_utime - 1
old_resource.ru_stime = real_res.ru_stime
old_resource.ru_maxrss = real_res.ru_maxrss
past_stats = [(self.hs.get_clock().time(), old_resource)]
stats = {}
self.reactor.advance(1)
self.get_success(phone_stats_home(self.hs, stats, past_stats))
self.assertApproximates(stats["cpu_average"], 100, tolerance=2.5)