Fix for missing periodic task name (#445)

* fix for missing periodic task name in rabbitmq

* update tests for periodic_task_name

Author: ntindicator

django_celery_results/backends/database.py

@@ -87,8 +87,8 @@ def _get_extended_properties(self, request, traceback):
             if task_kwargs is not None:
                 _, _, task_kwargs = self.encode_content(task_kwargs)
 
-            properties = getattr(request, 'properties', {}) or {}
-            periodic_task_name = properties.get('periodic_task_name', None)
+            periodic_task_name = getattr(request, 'periodic_task_name', None)
+
             extended_props.update({
                 'periodic_task_name': periodic_task_name,
                 'task_args': task_args,

t/unit/backends/test_database.py

@@ -789,7 +789,7 @@ def test_on_chord_part_return(self):
         request.argsrepr = "argsrepr"
         request.kwargsrepr = "kwargsrepr"
         request.hostname = "celery@ip-0-0-0-0"
-        request.properties = {"periodic_task_name": "my_periodic_task"}
+        request.periodic_task_name = "my_periodic_task"
         request.ignore_result = False
         result = {"foo": "baz"}
 
@@ -839,7 +839,7 @@ def test_callback_failure(self):
         request.argsrepr = "argsrepr"
         request.kwargsrepr = "kwargsrepr"
         request.hostname = "celery@ip-0-0-0-0"
-        request.properties = {"periodic_task_name": "my_periodic_task"}
+        request.periodic_task_name = "my_periodic_task"
         request.ignore_result = False
         request.chord.id = cid
         result = {"foo": "baz"}
@@ -885,7 +885,7 @@ def test_on_chord_part_return_failure(self):
         request.argsrepr = "argsrepr"
         request.kwargsrepr = "kwargsrepr"
         request.hostname = "celery@ip-0-0-0-0"
-        request.properties = {"periodic_task_name": "my_periodic_task"}
+        request.periodic_task_name = "my_periodic_task"
         request.chord.id = cid
         result = {"foo": "baz"}
 
@@ -1018,7 +1018,7 @@ def test_on_chord_part_return_multiple_databases(self):
             request.argsrepr = "argsrepr"
             request.kwargsrepr = "kwargsrepr"
             request.hostname = "celery@ip-0-0-0-0"
-            request.properties = {"periodic_task_name": "my_periodic_task"}
+            request.periodic_task_name = "my_periodic_task"
             request.ignore_result = False
             result = {"foo": "baz"}