/usr/lib/python2.7/dist-packages/aodh/tests/functional/storage/test_get_connection.py is in python-aodh 2.0.0-0ubuntu1.
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# Copyright 2012 New Dream Network, LLC (DreamHost)
# Copyright 2015 Red Hat, Inc.
#
# 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.
"""Tests for aodh/storage/
"""
import mock
from oslo_config import fixture as fixture_config
from oslotest import base
import retrying
from aodh import service
from aodh import storage
from aodh.storage import impl_log
import six
class EngineTest(base.BaseTestCase):
def setUp(self):
super(EngineTest, self).setUp()
conf = service.prepare_service(argv=[], config_files=[])
self.CONF = self.useFixture(fixture_config.Config(conf)).conf
def test_get_connection(self):
self.CONF.set_override('connection', 'log://localhost',
group='database', enforce_type=True)
engine = storage.get_connection_from_config(self.CONF)
self.assertIsInstance(engine, impl_log.Connection)
def test_get_connection_no_such_engine(self):
self.CONF.set_override('connection', 'no-such-engine://localhost',
group='database', enforce_type=True)
self.CONF.set_override('max_retries', 0, 'database',
enforce_type=True)
try:
storage.get_connection_from_config(self.CONF)
except RuntimeError as err:
self.assertIn('no-such-engine', six.text_type(err))
class ConnectionRetryTest(base.BaseTestCase):
def setUp(self):
super(ConnectionRetryTest, self).setUp()
conf = service.prepare_service(argv=[], config_files=[])
self.CONF = self.useFixture(fixture_config.Config(conf)).conf
def test_retries(self):
max_retries = 5
with mock.patch.object(
retrying.Retrying, 'should_reject') as retry_reject:
with mock.patch.object(
storage.impl_log.Connection, '__init__') as log_init:
class ConnectionError(Exception):
pass
def x(a, b):
raise ConnectionError
log_init.side_effect = x
self.CONF.set_override("connection", "log://", "database",
enforce_type=True)
self.CONF.set_override("retry_interval", 0.00001, "database",
enforce_type=True)
self.CONF.set_override("max_retries", max_retries, "database",
enforce_type=True)
self.assertRaises(ConnectionError,
storage.get_connection_from_config,
self.CONF)
self.assertEqual(max_retries, retry_reject.call_count)
class ConnectionConfigTest(base.BaseTestCase):
def setUp(self):
super(ConnectionConfigTest, self).setUp()
conf = service.prepare_service(argv=[], config_files=[])
self.CONF = self.useFixture(fixture_config.Config(conf)).conf
def test_only_default_url(self):
self.CONF.set_override("connection", "log://", group="database",
enforce_type=True)
conn = storage.get_connection_from_config(self.CONF)
self.assertIsInstance(conn, impl_log.Connection)
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