96 lines
3.9 KiB
Python
96 lines
3.9 KiB
Python
# Copyright 2016 AT&T Corp
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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import time
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from murano.common import statservice
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from murano.tests.unit import base
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@mock.patch('murano.common.statservice.v1.stats',
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request_count=11, error_count=22, average_time=33,
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requests_per_tenant=44)
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class StatsCollectingServiceTest(base.MuranoTestCase):
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def setUp(self):
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super(StatsCollectingServiceTest, self).setUp()
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self.service = statservice.StatsCollectingService()
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self.service._prev_time = 0
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self.mock_new_stats = mock.MagicMock(request_count=1, error_count=2)
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self.service._stats_db = mock.MagicMock(
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get_stats_by_host=mock.MagicMock(return_value=self.mock_new_stats))
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statservice.LOG = mock.MagicMock()
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def test_service_start_and_stop(self, _):
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self.assertEqual(0, len(self.service.tg.threads))
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self.service.start()
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self.assertEqual(1, len(self.service.tg.threads))
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self.service.stop()
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self.assertEqual(0, len(self.service.tg.threads))
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@mock.patch('murano.common.statservice.time')
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def test_update_stats(self, mock_time, mock_stats):
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now = time.time()
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mock_time.time.return_value = now
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self.service.update_stats()
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statservice.LOG.debug.assert_any_call(
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'Stats: (Requests: 11 Errors: 22 Ave.Res.Time 33.0000\n Per '
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'tenant: 44)')
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self.assertEqual(now, self.service._prev_time)
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self.assertEqual(mock_stats.request_count,
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self.mock_new_stats.request_count)
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self.assertEqual(mock_stats.error_count,
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self.mock_new_stats.error_count)
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self.assertEqual(mock_stats.average_time,
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self.mock_new_stats.average_response_time)
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self.assertEqual(str(mock_stats.requests_per_tenant),
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self.mock_new_stats.requests_per_tenant)
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self.assertEqual((11 - 1) / now,
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self.mock_new_stats.requests_per_second)
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self.assertEqual((22 - 2) / now,
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self.mock_new_stats.errors_per_second)
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self.service._stats_db.update.assert_called_once_with(
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self.service._hostname, self.mock_new_stats)
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@mock.patch('murano.common.statservice.multiprocessing.cpu_count',
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return_value=5)
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@mock.patch('murano.common.statservice.psutil.cpu_percent',
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return_value=12.3)
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def test_update_stats_with_create_stats_db(self, _, __, mock_stats):
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self.service._stats_db.get_stats_by_host.return_value = None
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result = self.service.update_stats()
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self.assertIsNone(result)
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self.service._stats_db.create.assert_called_once_with(
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self.service._hostname, mock_stats.request_count,
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mock_stats.error_count, mock_stats.average_time,
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mock_stats.requests_per_tenant, 5, 12.3
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)
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@mock.patch('murano.common.statservice.LOG')
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def test_update_stats_handle_exception(self, mock_log, _):
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self.service._stats_db.update.side_effect =\
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Exception('test_error_code')
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self.service.update_stats()
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mock_log.exception.assert_called_once_with(
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"Failed to get statistics object from a "
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"database. {error_code}".format(error_code='test_error_code'))
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