Unit test send_notification

Change-Id: Ib04938aaa8d69f17e15d5e4e8628fe216dd731b4

cerberus/tests/test_notifications.py

@@ -0,0 +1,70 @@
+#
+# Copyright (c) 2015 EUROGICIEL
+#
+#    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 mock
+import uuid
+
+from oslo.config import cfg
+
+from cerberus import notifications
+from cerberus.openstack.common.fixture import moxstubout
+from cerberus.tests import base
+
+
+EXP_RESOURCE_TYPE = uuid.uuid4().hex
+
+
+class NotificationsTestCase(base.TestBase):
+    def setUp(self):
+        super(NotificationsTestCase, self).setUp()
+        fixture = self.useFixture(moxstubout.MoxStubout())
+        self.stubs = fixture.stubs
+
+        # these should use self.config_fixture.config(), but they haven't
+        # been registered yet
+        cfg.CONF.rpc_backend = 'fake'
+        cfg.CONF.notification_driver = ['fake']
+
+    def test_send_notification(self):
+        """Test the private method _send_notification to ensure event_type,
+           payload, and context are built and passed properly.
+        """
+        resource = uuid.uuid4().hex
+        payload = {'resource_info': resource}
+        resource_type = EXP_RESOURCE_TYPE
+        operation = 'created'
+
+        # NOTE(ldbragst): Even though notifications._send_notification doesn't
+        # contain logic that creates cases, this is suppose to test that
+        # context is always empty and that we ensure the resource ID of the
+        # resource in the notification is contained in the payload. It was
+        # agreed that context should be empty in Keystone's case, which is
+        # also noted in the /keystone/notifications.py module. This test
+        # ensures and maintains these conditions.
+        expected_args = [
+            {},  # empty context
+            'security.%s.created' % resource_type,  # event_type
+            {'resource_info': resource},  # payload
+            'INFO',  # priority is always INFO...
+        ]
+
+        with mock.patch.object(notifications._get_notifier(),
+                               '_notify') as mocked:
+            notifications.send_notification(operation, resource_type,
+                                            payload)
+            mocked.assert_called_once_with(*expected_args)
+
+        notifications.send_notification(operation, resource_type, payload)