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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2012 Rackspace Hosting
# All Rights Reserved.
#
# 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.
"""Unit tests for SQLAlchemy specific code."""
from eventlet import db_pool
try:
import MySQLdb
HAS_MYSQLDB = True
except ImportError:
HAS_MYSQLDB = False
from openstack.common import context
from openstack.common import exception
from openstack.common.db.sqlalchemy import session
from tests import utils as test_utils
class TestException(exception.OpenstackException):
pass
class DbPoolTestCase(test_utils.BaseTestCase):
def setUp(self):
super(DbPoolTestCase, self).setUp()
if not HAS_MYSQLDB:
self.skipTest("Required module MySQLdb missing.")
self.config(sql_dbpool_enable=True)
self.user_id = 'fake'
self.project_id = 'fake'
self.context = context.RequestContext(self.user_id, self.project_id)
def test_db_pool_option(self):
self.config(sql_idle_timeout=11, sql_min_pool_size=21,
sql_max_pool_size=42)
info = {}
class FakeConnectionPool(db_pool.ConnectionPool):
def __init__(self, mod_name, **kwargs):
info['module'] = mod_name
info['kwargs'] = kwargs
super(FakeConnectionPool, self).__init__(mod_name,
**kwargs)
def connect(self, *args, **kwargs):
raise TestException()
self.stubs.Set(db_pool, 'ConnectionPool',
FakeConnectionPool)
sql_connection = 'mysql://user:pass@127.0.0.1/nova'
self.assertRaises(TestException, session.create_engine,
sql_connection)
self.assertEqual(info['module'], MySQLdb)
self.assertEqual(info['kwargs']['max_idle'], 11)
self.assertEqual(info['kwargs']['min_size'], 21)
self.assertEqual(info['kwargs']['max_size'], 42)
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