fix processing time priority algorithm (#135)

* add started_at != None on query

* qa

cads_broker/database.py

@@ -452,6 +452,7 @@ def get_users_queue_from_processing_time(
         SystemRequest.finished_at >= interval_start,
         SystemRequest.finished_at < interval_stop,
         SystemRequest.status != "deleted",
+        SystemRequest.started_at.is_not(None),
     )
     where_clause = sa.sql.or_(interval_clause, SystemRequest.status == "running")
 

tests/test_02_database.py

@@ -608,7 +608,7 @@ def test_get_request(session_obj: sa.orm.sessionmaker) -> None:
     assert request.request_uid == request_uid
 
 
-def test_get_users_queue_per_cost(session_obj: sa.orm.sessionmaker) -> None:
+def test_get_users_queue_from_processing_time(session_obj: sa.orm.sessionmaker) -> None:
     adaptor_properties = mock_config()
     request_1 = mock_system_request(
         status="successful",
@@ -647,6 +647,13 @@ def test_get_users_queue_per_cost(session_obj: sa.orm.sessionmaker) -> None:
         adaptor_properties_hash=adaptor_properties.hash,
         user_uid="user3",
     )
+    request_7 = mock_system_request(
+        status="failed",
+        adaptor_properties_hash=adaptor_properties.hash,
+        user_uid="user3",
+        started_at=None,
+        finished_at=datetime.datetime.now() - datetime.timedelta(hours=10),
+    )
     with session_obj() as session:
         session.add(adaptor_properties)
         session.add(request_1)
@@ -655,6 +662,7 @@ def test_get_users_queue_per_cost(session_obj: sa.orm.sessionmaker) -> None:
         session.add(request_4)
         session.add(request_5)
         session.add(request_6)
+        session.add(request_7)
         session.commit()
     with session_obj() as session:
         users_cost = db.get_users_queue_from_processing_time(