Added a simple unit test and the test framework

tests/test_notification.py

@@ -0,0 +1,28 @@
+"""Tests the notification class."""
+
+import json
+from mon_notification import notification
+
+def test_json():
+    """Test the to_json method to verify it behaves as expected.
+    """
+    alarm = {'alarmId': 'alarmId',
+             'alarmName': 'alarmName',
+             'timestamp': 'timestamp',
+             'stateChangeReason': 'stateChangeReason',
+             'newState': 'newState',
+             'tenantId': 'tenantId'}
+    test_notification = notification.Notification('ntype', 'src_partition', 'src_offset', 'name', 'address', alarm)
+
+    expected_dict = {u'name': u'name',
+                     u'notification_timestamp': None,
+                     u'tenant_id': u'tenantId',
+                     u'alarm_name': u'alarmName',
+                     u'alarm_id': u'alarmId',
+                     u'state': u'newState',
+                     u'alarm_timestamp': u'timestamp',
+                     u'address': u'address',
+                     u'message': u'stateChangeReason'}
+    # Compare as dicts so ordering is not an issue
+    assert json.loads(test_notification.to_json()) == expected_dict
+