return null for owner if no service is provided

Author: JerrySentry

graphql_api/tests/test_owner.py

@@ -1195,3 +1195,19 @@ def test_fetch_available_plans_is_enterprise_plan(self):
                 ]
             }
         }
+
+    def test_fetch_owner_with_no_service(self):
+        current_org = OwnerFactory(
+            username="random-plan-user",
+            service="github",
+            plan=PlanName.BASIC_PLAN_NAME.value,
+        )
+
+        query = """{
+            owner(username: "%s") {
+                username
+            }
+        }
+        """ % (current_org.username)
+        data = self.gql_request(query, owner=current_org, provider="", with_errors=True)
+        assert data == {"data": {"owner": None}}

graphql_api/types/query/query.py

@@ -46,6 +46,9 @@ async def resolve_owner(
     configure_sentry_scope(query_name(info))
 
     service = info.context["service"]
+    if not service:
+        return None
+
     user = info.context["request"].current_owner or info.context["request"].user
 
     if settings.IS_ENTERPRISE and settings.GUEST_ACCESS is False: