Add support for getting all group members in Hawkular alerts

Added the test inside test_create_groups method

Author: dkorn

hawkular/alerts.py

@@ -155,6 +155,15 @@ def create_group_trigger(self, trigger):
         data = self._serialize_object(trigger)
         return Trigger(self._post(self._service_url(['triggers', 'groups']), data))
 
+    def get_group_members(self, group_id):
+        """
+        Find all group member trigger definitions
+        :param group_id: group trigger id
+        :return: list of asociated group members as trigger objects
+        """
+        url = self._service_url(['triggers', 'groups', group_id, 'members'])
+        return Trigger.list_to_object_list(self._get(url))
+
     def create_group_member(self, member):
         data = self._serialize_object(member)
         return Trigger(self._post(self._service_url(['triggers', 'groups', 'members']), data))

tests/test_alerts.py

@@ -158,3 +158,6 @@ def test_create_groups(self):
         self.assertEqual(len(gcc), 1)
         t_m1c = self.client.create_group_member(m1)
         self.assertEqual(t_m1c.type, TriggerType.MEMBER)
+        gm = self.client.get_group_members('a-group-trigger')
+        self.assertEqual(len(gm), 1)
+        self.assertEqual(gm[0].id, 'member1')