Increase unit test coverage for engine system

Implements bp: murano-unit-test-coverage

Change-Id: I47eae07c73564d0a03b01d43fc1c3c8011ae1b59

murano/tests/unit/engine/system/test_agent_listener.py

@@ -0,0 +1,47 @@
+#    Copyright (c) 2016 AT&T
+#
+#    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
+
+from murano.engine.system import agent_listener
+from murano.tests.unit import base
+
+
+class TestExecutionPlan(base.MuranoTestCase):
+    def setUp(self):
+        super(TestExecutionPlan, self).setUp()
+
+        name = "test"
+        results_queue = str('-execution-results-%s' % name.lower())
+        self.agent = agent_listener.AgentListener(name)
+        self.assertEqual({}, self.agent._subscriptions)
+        self.assertEqual(results_queue, self.agent._results_queue)
+        self.assertTrue(self.agent._enabled)
+        self.assertIsNone(self.agent._receive_thread)
+
+        self.addCleanup(mock.patch.stopall)
+
+    def test_queue_name(self):
+        self.assertEqual(self.agent._results_queue, self.agent.queue_name())
+
+    @mock.patch("murano.engine.system.agent_listener.dsl.get_this")
+    @mock.patch("murano.engine.system."
+                "agent_listener.dsl.get_execution_session")
+    def test_subscribe_unsubscribe(self, execution_session, mock_this):
+        self.agent.subscribe('msg_id', 'event')
+        self.assertIn('msg_id', self.agent._subscriptions)
+        self.agent.unsubscribe('msg_id')
+        self.assertNotIn('msg_id', self.agent._subscriptions)
+        self.assertTrue(execution_session.called)
+        self.assertTrue(mock_this.called)

murano/tests/unit/engine/system/test_instance_reporter.py

@@ -0,0 +1,49 @@
+#    Copyright (c) 2016 AT&T
+#
+#    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
+
+from murano.db import models
+from murano.engine.system import instance_reporter
+from murano.tests.unit import base
+
+LATEST_VERSION = 1
+
+
+class TestInstanceReporter(base.MuranoTestCase):
+    def setUp(self):
+        super(TestInstanceReporter, self).setUp()
+
+        self.environment = models.Environment(
+            name='test_environment', tenant_id='test_tenant_id',
+            version=LATEST_VERSION
+        )
+
+        self.addCleanup(mock.patch.stopall)
+
+    @mock.patch("murano.db.models")
+    def test_track_untrack_application(self, mock_models):
+        instance = mock_models.Instance()
+        self.i_r = instance_reporter.InstanceReportNotifier(self.environment)
+        self.assertEqual(self.environment.id, self.i_r._environment_id)
+        self.assertIsNone(self.i_r.track_application(instance))
+        self.assertIsNone(self.i_r.untrack_application(instance))
+
+    @mock.patch("murano.db.models")
+    def test_track_untrack_cloud_instance(self, mock_models):
+        instance = mock_models.Instance()
+        self.i_r = instance_reporter.InstanceReportNotifier(self.environment)
+        self.assertEqual(self.environment.id, self.i_r._environment_id)
+        self.assertIsNone(self.i_r.track_cloud_instance(instance))
+        self.assertIsNone(self.i_r.untrack_cloud_instance(instance))

murano/tests/unit/engine/system/test_metadef_browser.py

@@ -0,0 +1,51 @@
+#    Copyright (c) 2016 AT&T
+#
+#    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
+
+from murano.dsl import murano_object
+from murano.engine.system import metadef_browser
+from murano.tests.unit import base
+
+
+class TestMetadefBrowser(base.MuranoTestCase):
+    def setUp(self):
+        super(TestMetadefBrowser, self).setUp()
+        self.this = mock.MagicMock()
+
+        self.glance_client_mock = mock.MagicMock()
+        metadef_browser.MetadefBrowser._get_client = mock.MagicMock(
+            return_value=self.glance_client_mock)
+        metadef_browser.MetadefBrowser._client = mock.MagicMock(
+            return_value=self.glance_client_mock)
+
+        self.mock_object = mock.Mock(spec=murano_object.MuranoObject)
+
+    @mock.patch("murano.dsl.helpers.get_execution_session")
+    def test_get_objects(self, execution_session):
+        namespace = None
+        self.metadef = metadef_browser.MetadefBrowser(self.this)
+        self.assertIsNotNone(self.metadef.get_objects(namespace))
+        self.assertTrue(execution_session.called)
+        self.assertTrue(metadef_browser.MetadefBrowser.
+                        _client.metadefs_object.list.called)
+
+    @mock.patch("murano.dsl.helpers.get_execution_session")
+    def test_get_namespaces(self, execution_session):
+        self.metadef = metadef_browser.MetadefBrowser(self.this)
+        resource_type = self.mock_object
+        self.assertIsNotNone(self.metadef.get_namespaces(resource_type))
+        self.assertTrue(execution_session.called)
+        self.assertTrue(metadef_browser.MetadefBrowser.
+                        _client.metadefs_namespace.list.called)