88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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# Copyright 2015 Red Hat, Inc.
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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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"""Tests for aodh/storage/
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"""
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import mock
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from oslo_config import fixture as fixture_config
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from oslotest import base
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from aodh import service
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from aodh import storage
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from aodh.storage import impl_log
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import six
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class EngineTest(base.BaseTestCase):
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def setUp(self):
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super(EngineTest, self).setUp()
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conf = service.prepare_service(argv=[], config_files=[])
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self.CONF = self.useFixture(fixture_config.Config(conf)).conf
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def test_get_connection(self):
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self.CONF.set_override('connection', 'log://localhost',
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group='database')
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engine = storage.get_connection_from_config(self.CONF)
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self.assertIsInstance(engine, impl_log.Connection)
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def test_get_connection_no_such_engine(self):
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self.CONF.set_override('connection', 'no-such-engine://localhost',
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group='database')
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self.CONF.set_override('max_retries', 0, 'database')
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try:
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storage.get_connection_from_config(self.CONF)
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except RuntimeError as err:
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self.assertIn('no-such-engine', six.text_type(err))
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class ConnectionRetryTest(base.BaseTestCase):
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def setUp(self):
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super(ConnectionRetryTest, self).setUp()
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conf = service.prepare_service(argv=[], config_files=[])
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self.CONF = self.useFixture(fixture_config.Config(conf)).conf
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def test_retries(self):
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max_retries = 5
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with mock.patch.object(
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storage.impl_log.Connection, '__init__') as log_init:
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class ConnectionError(Exception):
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pass
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def x(a, b):
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raise ConnectionError
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log_init.side_effect = x
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self.CONF.set_override("connection", "log://", "database")
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self.CONF.set_override("retry_interval", 0.00001, "database")
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self.CONF.set_override("max_retries", max_retries, "database")
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self.assertRaises(ConnectionError,
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storage.get_connection_from_config,
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self.CONF)
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self.assertEqual(max_retries, log_init.call_count)
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class ConnectionConfigTest(base.BaseTestCase):
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def setUp(self):
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super(ConnectionConfigTest, self).setUp()
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conf = service.prepare_service(argv=[], config_files=[])
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self.CONF = self.useFixture(fixture_config.Config(conf)).conf
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def test_only_default_url(self):
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self.CONF.set_override("connection", "log://", group="database")
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conn = storage.get_connection_from_config(self.CONF)
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self.assertIsInstance(conn, impl_log.Connection)
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