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49 lines
1.8 KiB
49 lines
1.8 KiB
# Copyright 2019 Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import resource
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from unittest import mock
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from synapse.app.phone_stats_home import phone_stats_home
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from tests.unittest import HomeserverTestCase
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class PhoneHomeStatsTestCase(HomeserverTestCase):
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def test_performance_frozen_clock(self):
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"""
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If time doesn't move, don't error out.
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"""
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past_stats = [
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(self.hs.get_clock().time(), resource.getrusage(resource.RUSAGE_SELF))
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]
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stats = {}
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self.get_success(phone_stats_home(self.hs, stats, past_stats))
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self.assertEqual(stats["cpu_average"], 0)
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def test_performance_100(self):
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"""
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1 second of usage over 1 second is 100% CPU usage.
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"""
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real_res = resource.getrusage(resource.RUSAGE_SELF)
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old_resource = mock.Mock(spec=real_res)
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old_resource.ru_utime = real_res.ru_utime - 1
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old_resource.ru_stime = real_res.ru_stime
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old_resource.ru_maxrss = real_res.ru_maxrss
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past_stats = [(self.hs.get_clock().time(), old_resource)]
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stats = {}
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self.reactor.advance(1)
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self.get_success(phone_stats_home(self.hs, stats, past_stats))
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self.assertApproximates(stats["cpu_average"], 100, tolerance=2.5)
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