Merge "Import sqlalchemy session/models/utils"

1 files changed, 72 insertions, 0 deletions

diff --git a/tests/unit/db/sqlalchemy/test_sqlalchemy.py b/tests/unit/db/sqlalchemy/test_sqlalchemy.py
new file mode 100644
index 0000000..d4894ba
--- /dev/null
+++ b/tests/unit/db/sqlalchemy/test_sqlalchemy.py
@@ -0,0 +1,72 @@
+# 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)