98 lines
3.9 KiB
Python
98 lines
3.9 KiB
Python
# Copyright 2015 Hewlett-Packard Development Company, L.P.
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# Copyright (c) 2015 Rackspace
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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 random
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from unittest import mock
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from oslo_config import cfg
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from oslo_config import fixture as oslo_fixture
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from oslo_utils import uuidutils
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from octavia.common import data_models
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from octavia.statistics import stats_base
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from octavia.tests.unit import base
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STATS_DRIVERS = ['stats_db', 'stats_logger']
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class TestStatsBase(base.TestCase):
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def setUp(self):
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super(TestStatsBase, self).setUp()
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self.conf = oslo_fixture.Config(cfg.CONF)
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self.conf.config(group="controller_worker",
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statistics_drivers=STATS_DRIVERS)
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self.amphora_id = uuidutils.generate_uuid()
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self.listener_id = uuidutils.generate_uuid()
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self.listener_stats = data_models.ListenerStatistics(
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amphora_id=self.amphora_id,
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listener_id=self.listener_id,
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bytes_in=random.randrange(1000000000),
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bytes_out=random.randrange(1000000000),
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active_connections=random.randrange(1000000000),
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total_connections=random.randrange(1000000000),
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request_errors=random.randrange(1000000000))
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self.listener_stats_dict = {
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self.listener_id: {
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"request_errors": self.listener_stats.request_errors,
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"active_connections":
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self.listener_stats.active_connections,
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"total_connections": self.listener_stats.total_connections,
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"bytes_in": self.listener_stats.bytes_in,
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"bytes_out": self.listener_stats.bytes_out,
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}
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}
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@mock.patch('octavia.statistics.drivers.update_db.StatsUpdateDb')
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@mock.patch('octavia.statistics.drivers.logger.StatsLogger')
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def test_update_stats(self, mock_stats_logger, mock_stats_db):
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stats_base._STATS_HANDLERS = None
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# Test with update success
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stats_base.update_stats_via_driver([self.listener_stats], deltas=True)
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mock_stats_db().update_stats.assert_called_once_with(
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[self.listener_stats], deltas=True)
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mock_stats_logger().update_stats.assert_called_once_with(
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[self.listener_stats], deltas=True)
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# Test with update failure (should still run both drivers)
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mock_stats_db.reset_mock()
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mock_stats_logger.reset_mock()
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mock_stats_db().update_stats.side_effect = Exception
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mock_stats_logger().update_stats.side_effect = Exception
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stats_base.update_stats_via_driver(
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[self.listener_stats])
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mock_stats_db().update_stats.assert_called_once_with(
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[self.listener_stats], deltas=False)
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mock_stats_logger().update_stats.assert_called_once_with(
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[self.listener_stats], deltas=False)
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@mock.patch('octavia.statistics.drivers.update_db.StatsUpdateDb')
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@mock.patch('octavia.statistics.drivers.logger.StatsLogger')
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def test__get_stats_handlers(self, mock_stats_logger, mock_stats_db):
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stats_base._STATS_HANDLERS = None
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# Test that this function implements a singleton
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first_call_handlers = stats_base._get_stats_handlers()
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second_call_handlers = stats_base._get_stats_handlers()
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self.assertEqual(first_call_handlers, second_call_handlers)
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# Drivers should only load once (this is a singleton)
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mock_stats_db.assert_called_once_with()
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mock_stats_logger.assert_called_once_with()
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