Source code for ceilometer.tests.unit.storage.test_get_connection

#
# Copyright 2012 New Dream Network, LLC (DreamHost)
#
# 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 ceilometer/storage/
"""
import unittest

import mock
from oslo_config import fixture as fixture_config
from oslotest import base
import retrying

try:
    from ceilometer.event.storage import impl_hbase as impl_hbase_event
except ImportError:
    impl_hbase_event = None
from ceilometer import storage
from ceilometer.storage import impl_log
from ceilometer.storage import impl_sqlalchemy

import six


[docs]class EngineTest(base.BaseTestCase):
[docs] def test_get_connection(self): engine = storage.get_connection('log://localhost', 'ceilometer.metering.storage') self.assertIsInstance(engine, impl_log.Connection)
[docs] def test_get_connection_no_such_engine(self): try: storage.get_connection('no-such-engine://localhost', 'ceilometer.metering.storage') except RuntimeError as err: self.assertIn('no-such-engine', six.text_type(err))
[docs]class ConnectionRetryTest(base.BaseTestCase):
[docs] def setUp(self): super(ConnectionRetryTest, self).setUp() self.CONF = self.useFixture(fixture_config.Config()).conf
[docs] def test_retries(self): with mock.patch.object( retrying.Retrying, 'should_reject') as retry_reject: try: self.CONF.set_override("connection", "no-such-engine://", group="database") self.CONF.set_override("retry_interval", 0.00001, group="database") storage.get_connection_from_config(self.CONF) except RuntimeError as err: self.assertIn('no-such-engine', six.text_type(err)) self.assertEqual(10, retry_reject.call_count)
[docs]class ConnectionConfigTest(base.BaseTestCase):
[docs] def setUp(self): super(ConnectionConfigTest, self).setUp() self.CONF = self.useFixture(fixture_config.Config()).conf
[docs] def test_only_default_url(self): self.CONF.set_override("connection", "log://", group="database") conn = storage.get_connection_from_config(self.CONF) self.assertIsInstance(conn, impl_log.Connection) conn = storage.get_connection_from_config(self.CONF, 'metering') self.assertIsInstance(conn, impl_log.Connection)
[docs] def test_two_urls(self): self.CONF.set_override("connection", "log://", group="database") conn = storage.get_connection_from_config(self.CONF) self.assertIsInstance(conn, impl_log.Connection) conn = storage.get_connection_from_config(self.CONF, 'metering') self.assertIsInstance(conn, impl_log.Connection)
@unittest.skipUnless(impl_hbase_event, 'need hbase implementation')
[docs] def test_three_urls(self): self.CONF.set_override("connection", "log://", group="database") self.CONF.set_override("event_connection", "hbase://__test__", group="database") conn = storage.get_connection_from_config(self.CONF) self.assertIsInstance(conn, impl_log.Connection) conn = storage.get_connection_from_config(self.CONF, 'metering') self.assertIsInstance(conn, impl_log.Connection) conn = storage.get_connection_from_config(self.CONF, 'event') self.assertIsInstance(conn, impl_hbase_event.Connection)
@unittest.skipUnless(impl_hbase_event, 'need hbase implementation')
[docs] def test_three_urls_no_default(self): self.CONF.set_override("connection", None, group="database") self.CONF.set_override("metering_connection", "log://", group="database") self.CONF.set_override("event_connection", "hbase://__test__", group="database") conn = storage.get_connection_from_config(self.CONF) self.assertIsInstance(conn, impl_log.Connection) conn = storage.get_connection_from_config(self.CONF, 'event') self.assertIsInstance(conn, impl_hbase_event.Connection)
[docs] def test_sqlalchemy_driver(self): self.CONF.set_override("connection", "sqlite+pysqlite://", group="database") conn = storage.get_connection_from_config(self.CONF) self.assertIsInstance(conn, impl_sqlalchemy.Connection) conn = storage.get_connection_from_config(self.CONF, 'metering') self.assertIsInstance(conn, impl_sqlalchemy.Connection)

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