add minimal test for monasca integration

Depends-On: I5f4873752f41f7d0a4b0903f1f9e4d41eb05e810

Change-Id: I90eaf3fae8ad51268ea9ca4b667e0e4bd34f8082

congress_tempest_plugin/tests/scenario/congress_datasources/test_monasca.py

@@ -0,0 +1,46 @@
+# Copyright 2018 VMware Corporation. All rights reserved.
+# 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 tempest import config
+from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
+from tempest.lib import exceptions
+
+from congress_tempest_plugin.tests.scenario import manager_congress
+
+
+CONF = config.CONF
+DRIVER_NAME = 'monasca'
+
+
+class TestMonascaDriver(manager_congress.ScenarioPolicyBase):
+
+    @classmethod
+    def skip_checks(cls):
+        super(TestMonascaDriver, cls).skip_checks()
+        if not getattr(CONF.service_available, DRIVER_NAME, False):
+            msg = ("%s skipped because %s service is not configured" %
+                   (cls.__class__.__name__, DRIVER_NAME))
+            raise cls.skipException(msg)
+
+    # TODO(testing): checks on correctness of data in updates
+
+    @decorators.attr(type='smoke')
+    def test_update_no_error(self):
+        if not test_utils.call_until_true(
+                func=lambda: self.check_datasource_no_error(DRIVER_NAME),
+                duration=30, sleep_for=5):
+            raise exceptions.TimeoutException('Datasource could not poll '
+                                              'without error.')