diff --git a/compass/db/api/user_log.py b/compass/db/api/user_log.py
index 449bb684..531dcad0 100644
--- a/compass/db/api/user_log.py
+++ b/compass/db/api/user_log.py
@@ -45,16 +45,16 @@ def _compress_response(actions, user_id):
 
 
 def _compress_response_by_user(actions):
-    actions = {}
+    actions_by_user = {}
     for action in actions:
         action_dict = action.to_dict()
         user_id = action_dict['user_id']
         del action_dict['user_id']
-        actions.setdefault(user_id, []).append(action_dict)
+        actions_by_user.setdefault(user_id, []).append(action_dict)
 
     return [
         {'user_id': user_id, 'logs': user_actions}
-        for user_id, user_actions in actions.items()
+        for user_id, user_actions in actions_by_user.items()
     ]
 
 
diff --git a/compass/tests/db/api/test_permission.py b/compass/tests/db/api/test_permission.py
new file mode 100644
index 00000000..f3a4e098
--- /dev/null
+++ b/compass/tests/db/api/test_permission.py
@@ -0,0 +1,80 @@
+# Copyright 2014 Huawei Technologies Co. 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.
+
+import datetime
+import logging
+import os
+import unittest2
+
+from compass.db.api import database
+from compass.db.api import permission
+from compass.db.api import user as user_api
+from compass.db import exception
+from compass.utils import flags
+from compass.utils import logsetting
+
+os.environ['COMPASS_IGNORE_SETTING'] = 'true'
+
+
+class BaseTest(unittest2.TestCase):
+    """Base Class for unit test."""
+
+    def setUp(self):
+        super(BaseTest, self).setUp()
+        database.init('sqlite://')
+        database.create_db()
+        self.user_object = (
+            user_api.get_user_object(
+                'admin@abc.com'
+            )
+        )
+
+    def tearDown(self):
+        database.drop_db()
+        super(BaseTest, self).tearDown()
+
+
+class TestListPermissions(BaseTest):
+    """Test list permissions."""
+
+    def setUp(self):
+        super(TestListPermissions, self).setUp()
+        logsetting.init()
+
+    def tearDown(self):
+        super(TestListPermissions, self).tearDown()
+        database.drop_db()
+
+    def test_list_permissions(self):
+        permissions = permission.list_permissions(self.user_object)
+        self.assertIsNotNone(permissions)
+
+
+class TestGetPermission(BaseTest):
+    """Test get permission."""
+
+    def setUp(self):
+        super(TestGetPermission, self).setUp()
+        logsetting.init()
+
+    def tearDown(self):
+        super(TestGetPermission, self).tearDown()
+        database.drop_db()
+
+    def test_get_permission(self):
+        get_permission = permission.get_permission(self.user_object, 1)
+        self.assertIsNotNone(get_permission)
+
+if __name__ == '__main__':
+    unittest2.main()
diff --git a/compass/tests/db/api/test_user_log.py b/compass/tests/db/api/test_user_log.py
new file mode 100644
index 00000000..2847e347
--- /dev/null
+++ b/compass/tests/db/api/test_user_log.py
@@ -0,0 +1,157 @@
+# Copyright 2014 Huawei Technologies Co. 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.
+
+import datetime
+import logging
+import os
+import unittest2
+
+from compass.db.api import database
+from compass.db.api import user as user_api
+from compass.db.api import user_log
+from compass.db import exception
+from compass.utils import flags
+from compass.utils import logsetting
+
+os.environ['COMPASS_IGNORE_SETTING'] = 'true'
+
+
+class BaseTest(unittest2.TestCase):
+    """Base Class for unit test."""
+
+    def setUp(self):
+        super(BaseTest, self).setUp()
+        database.init('sqlite://')
+        database.create_db()
+        self.user_object = (
+            user_api.get_user_object(
+                'admin@abc.com',
+            )
+        )
+
+    def tearDown(self):
+        database.drop_db()
+        super(BaseTest, self).tearDown()
+
+
+class TestListUserActions(BaseTest):
+    """Test user actions."""
+
+    def setUp(self):
+        super(TestListUserActions, self).setUp()
+        logsetting.init()
+
+    def tearDown(self):
+        super(TestListUserActions, self).tearDown()
+        database.drop_db()
+
+    def test_list_user_actions(self):
+        user_log.log_user_action(
+            self.user_object.id,
+            action='/testaction'
+        )
+        user_action = user_log.list_user_actions(
+            self.user_object,
+            self.user_object.id
+        )
+        self.assertEqual(
+            1,
+            user_action['user_id']
+        )
+
+    def test_list_none_user_actions(self):
+        user_log.log_user_action(
+            self.user_object.id,
+            action='/testaction'
+        )
+        user_action = user_log.list_user_actions(
+            self.user_object,
+            2
+        )
+        self.assertEqual([], user_action['logs'])
+
+
+class TestListActions(BaseTest):
+    """Test list actions."""
+
+    def setUp(self):
+        super(TestListActions, self).setUp()
+        logsetting.init()
+
+    def tearDown(self):
+        super(TestListActions, self).tearDown()
+        database.drop_db()
+
+    def test_list_actions(self):
+        user_log.log_user_action(
+            self.user_object.id,
+            action='/testaction'
+        )
+        action = user_log.list_actions(self.user_object)
+        self.assertIsNotNone(action)
+
+
+class TestDelUserActions(BaseTest):
+    """Test delete user actions."""
+
+    def setUp(self):
+        super(TestDelUserActions, self).setUp()
+        logsetting.init()
+
+    def tearDown(self):
+        super(TestDelUserActions, self).tearDown()
+        database.drop_db()
+
+    def test_del_user_actions(self):
+        user_log.log_user_action(
+            self.user_object.id,
+            action='/testaction'
+        )
+        user_log.del_user_actions(
+            self.user_object,
+            self.user_object.id
+        )
+        del_user_action = user_log.list_user_actions(
+            self.user_object,
+            self.user_object.id
+        )
+        self.assertEqual([], del_user_action['logs'])
+
+
+class TestDelActions(BaseTest):
+    """Test delete actions."""
+
+    def setUp(self):
+        super(TestDelActions, self).setUp()
+        logsetting.init()
+
+    def tearDown(self):
+        super(TestDelActions, self).setUp()
+        database.drop_db()
+
+    def test_del_actions(self):
+        user_log.log_user_action(
+            self.user_object.id,
+            action='/testaction'
+        )
+        user_log.del_actions(
+            self.user_object
+        )
+        del_action = user_log.list_actions(
+            self.user_object
+        )
+        self.assertEqual([], del_action)
+
+if __name__ == '__main__':
+    unittest2.main()