diff --git a/magnum/tests/conf_fixture.py b/magnum/tests/conf_fixture.py
index 9227d6a026..bfa2304dbe 100644
--- a/magnum/tests/conf_fixture.py
+++ b/magnum/tests/conf_fixture.py
@@ -20,7 +20,7 @@ from oslo_log import log
 
 from magnum.common import config
 
-cfg.CONF.register_opt(cfg.StrOpt('host', default='localhost', help='host'))
+cfg.CONF.import_opt('host', 'magnum.common.service')
 log.register_options(cfg.CONF)
 
 
diff --git a/magnum/tests/unit/test_opts.py b/magnum/tests/unit/test_opts.py
new file mode 100644
index 0000000000..115631ca45
--- /dev/null
+++ b/magnum/tests/unit/test_opts.py
@@ -0,0 +1,28 @@
+# Copyright 2015 NEC Corporation.  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.
+
+from oslo_config import cfg
+import six
+
+from magnum import opts
+from magnum.tests import base
+
+
+class OptsTestCase(base.BaseTestCase):
+
+    def test_list_opts(self):
+        for group_name, opt_list in opts.list_opts():
+            self.assertIsInstance(group_name, six.string_types)
+            for opt in opt_list:
+                self.assertIsInstance(opt, cfg.Opt)