Refactors code and adds unit tests

[osm/MON.git] / osm_mon / tests / unit / evaluator / test_evaluator.py

diff --git a/osm_mon/tests/unit/evaluator/test_evaluator.py b/osm_mon/tests/unit/evaluator/test_evaluator.py
new file mode 100644 (file)
index 0000000..b20f602
--- /dev/null
+++ b/osm_mon/tests/unit/evaluator/test_evaluator.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2018 Whitestack, LLC
+# *************************************************************
+
+# This file is part of OSM Monitoring module
+# All Rights Reserved to Whitestack, LLC
+
+# 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.
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: bdiaz@whitestack.com or glavado@whitestack.com
+##
+from unittest import TestCase, mock
+
+from osm_mon.core.common_db import CommonDbClient
+from osm_mon.core.config import Config
+from osm_mon.core.message_bus_client import MessageBusClient
+from osm_mon.evaluator.evaluator import AlarmStatus, Evaluator
+from osm_mon.evaluator.service import EvaluatorService
+
+
+@mock.patch.object(CommonDbClient, "__init__", lambda *args, **kwargs: None)
+@mock.patch.object(MessageBusClient, "__init__", lambda *args, **kwargs: None)
+class EvaluatorTest(TestCase):
+    def setUp(self):
+        super().setUp()
+        self.config = Config()
+
+    @mock.patch('multiprocessing.Process')
+    @mock.patch.object(Evaluator, "notify_alarm")
+    @mock.patch.object(EvaluatorService, "evaluate_alarms")
+    @mock.patch('osm_mon.core.database.db')
+    def test_evaluate(self, db, evaluate_alarms, notify_alarm, process):
+        mock_alarm = mock.Mock()
+        mock_alarm.operation = 'gt'
+        mock_alarm.threshold = 50.0
+        evaluate_alarms.return_value = [(mock_alarm, AlarmStatus.ALARM)]
+
+        evaluator = Evaluator(self.config)
+        evaluator.evaluate()
+
+        process.assert_called_with(target=notify_alarm, args=(mock_alarm, AlarmStatus.ALARM))