include related Jobs in group del protection

awx/main/models/inventory.py

@@ -960,7 +960,10 @@ class Group(CommonModelNameNotUnique, RelatedJobsMixin):
     RelatedJobsMixin
     '''
     def _get_related_jobs(self):
-        return InventoryUpdate.objects.filter(inventory_source__in=self.inventory_sources.all())
+        return UnifiedJob.objects.non_polymorphic().filter(
+            Q(Job___inventory=self.inventory) |
+            Q(InventoryUpdate___inventory_source__groups=self)
+        )
 
 
 class InventorySourceOptions(BaseModel):

awx/main/tests/functional/models/test_inventory.py

@@ -12,6 +12,7 @@ from awx.main.models import (
     Inventory,
     InventorySource,
     InventoryUpdate,
+    Job
 )
 from awx.main.utils.filters import SmartFilter
 
@@ -99,6 +100,29 @@ class TestSCMUpdateFeatures:
             assert not mck_update.called
 
 
+@pytest.mark.django_db
+class TestRelatedJobs:
+
+    def test_inventory_related(self, inventory):
+        job = Job.objects.create(
+            inventory=inventory
+        )
+        assert job.id in [jerb.id for jerb in inventory._get_related_jobs()]
+
+    def test_related_group_jobs(self, group):
+        job = Job.objects.create(
+            inventory=group.inventory
+        )
+        assert job.id in [jerb.id for jerb in group._get_related_jobs()]
+
+    def test_related_group_update(self, group):
+        src = group.inventory_sources.create(name='foo')
+        job = InventoryUpdate.objects.create(
+            inventory_source=src
+        )
+        assert job.id in [jerb.id for jerb in group._get_related_jobs()]
+
+
 @pytest.mark.django_db
 class TestSCMClean:
     def test_clean_update_on_project_update_multiple(self, inventory):