diff --git a/unit_tests/test_lib_charm_openstack_trove.py b/unit_tests/test_lib_charm_openstack_trove.py
new file mode 100644
index 0000000..5635224
--- /dev/null
+++ b/unit_tests/test_lib_charm_openstack_trove.py
@@ -0,0 +1,56 @@
+# Copyright 2016 Canonical Ltd
+#
+# 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 __future__ import absolute_import
+from __future__ import print_function
+
+import contextlib
+import unittest
+
+import mock
+
+import charm.openstack.designate as designate
+
+
+def FakeConfig(init_dict):
+
+    def _config(key=None):
+        return init_dict[key] if key else init_dict
+
+    return _config
+
+
+class Helper(unittest.TestCase):
+
+    def setUp(self):
+        self._patches = {}
+        self._patches_start = {}
+        self.ch_config_patch = mock.patch('charmhelpers.core.hookenv.config')
+        self.ch_config = self.ch_config_patch.start()
+        self.ch_config.side_effect = lambda: {'ssl_param': None}
+
+    def tearDown(self):
+        for k, v in self._patches.items():
+            v.stop()
+            setattr(self, k, None)
+        self._patches = None
+        self._patches_start = None
+        self.ch_config_patch.stop()
+
+    def patch(self, obj, attr, return_value=None, **kwargs):
+        mocked = mock.patch.object(obj, attr, **kwargs)
+        self._patches[attr] = mocked
+        started = mocked.start()
+        started.return_value = return_value
+        self._