Live SQL migration tests

Make it possible to run the migration tests for the supported databases
without editing the config files.

Blueprint live-sql-gate

Change-Id: Iaf14ad42333b0a0cd1f7d0fb37f135a8bf7af14a

tests/_sql_livetest.py

@@ -0,0 +1,37 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 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.
+
+import test_sql_upgrade
+
+from keystone import config
+
+CONF = config.CONF
+
+
+class PostgresqlMigrateTests(test_sql_upgrade.SqlUpgradeTests):
+    def config_files(self):
+        files = (test_sql_upgrade.SqlUpgradeTests.
+                 _config_file_list[:])
+        files.append("backend_postgresql.conf")
+        return files
+
+
+class MysqlMigrateTests(test_sql_upgrade.SqlUpgradeTests):
+    def config_files(self):
+        files = (test_sql_upgrade.SqlUpgradeTests.
+                 _config_file_list[:])
+        files.append("backend_mysql.conf")
+        return files

tests/backend_mysql.conf

@@ -0,0 +1,4 @@
+#Used for running the Migrate tests against a live Mysql Server
+#See _sql_livetest.py
+[sql]
+connection = mysql://keystone:keystone@localhost/keystone_test?charset=utf8

tests/backend_postgresql.conf

@@ -0,0 +1,4 @@
+#Used for running the Migrate tests against a live Postgresql Server
+#See _sql_livetest.py
+[sql]
+connection = postgresql://keystone:keystone@localhost/keystone_test?client_encoding=utf8

tests/test_sql_upgrade.py

@@ -50,11 +50,18 @@ class SqlUpgradeTests(test.TestCase):
         self.metadata = sqlalchemy.MetaData()
         self.metadata.bind = self.engine
 
+    _config_file_list = [test.etcdir('keystone.conf.sample'),
+                         test.testsdir('test_overrides.conf'),
+                         test.testsdir('backend_sql.conf')]
+
+    #override this to sepcify the complete list of configuration files
+    def config_files(self):
+        return self._config_file_list
+
     def setUp(self):
         super(SqlUpgradeTests, self).setUp()
-        self.config([test.etcdir('keystone.conf.sample'),
+
-                     test.testsdir('test_overrides.conf'),
+        self.config(self.config_files())
-                     test.testsdir('backend_sql.conf')])
         self.base = sql.Base()
 
         # create and share a single sqlalchemy engine for testing