add unit tests for joined operations

atdb/taskdatabase/tests/test_models_joins.py

@@ -17,7 +17,7 @@ class TestJoinedTasks(TestCase):
         Task.objects.get_or_create(sas_id=1, status='stored')
         Task.objects.get_or_create(sas_id=2, status='stored')
         Task.objects.get_or_create(sas_id=3, status='defined')
-
+        Task.objects.get_or_create(sas_id=4, status='defined')
 
     def test_add_input_tasks_to_task(self):
         output_task = Task.objects.get(sas_id=1)
@@ -51,4 +51,21 @@ class TestJoinedTasks(TestCase):
         output_task.save()
 
         # two input tasks 'stored', should give: 'stored'
-        self.assertEqual(output_task.joined_status, "stored")
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+        self.assertEqual(output_task.joined_status, "stored")
+
+    def test_is_task_type_join(self):
+        output_task = Task.objects.get(sas_id=3)
+        input_task_1 = Task.objects.get(sas_id=2)  # stored
+        input_task_2 = Task.objects.get(sas_id=1)  # stored
+        regular_task_3 = Task.objects.get(sas_id=4)
+        output_task.joined_input_tasks.set([input_task_1, input_task_2])
+        output_task.save()
+
+        # the input task should be of the type 'join'
+        self.assertEqual(input_task_1.task_type_join, "join")
+
+        # the output task should be of the type 'joined'
+        self.assertEqual(output_task.task_type_join, "joined")
+
+        # a task without input/output tasks should be 'regular'
+        self.assertEqual(regular_task_3.task_type_join, "regular")
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