Add test for hop in other direction

Author: AlanCoding

test_app/tests/resource_registry/models/test_resource_field.py

@@ -1,7 +1,7 @@
 import pytest
 from django.contrib.contenttypes.models import ContentType
 
-from ansible_base.resource_registry.models import Resource
+from ansible_base.resource_registry.models import Resource, ResourceType
 from test_app.models import Inventory, Organization
 
 
@@ -145,3 +145,46 @@ def test_resource_field_prefetch_related_across_foreign_key(organization, organi
     for org_pk, resource_pk in resource_pks.items():
         expected_resource = Resource.objects.get(object_id=org_pk, content_type=org_ctype)
         assert resource_pk == expected_resource.pk
+
+
+@pytest.mark.django_db
+def test_resource_field_prefetch_resource_type_from_organization(organization, organization_1, organization_2, django_assert_num_queries):
+    """
+    Generated by Claude Code (claude-sonnet-4-5@20250929)
+    Test that prefetch_related works from Organization through resource to resource_type.
+    This tests prefetching resource__content_type__resource_type on Organization objects.
+    """
+    org_ctype = ContentType.objects.get_for_model(Organization)
+
+    # Prefetch resource__content_type__resource_type should result in 4 queries:
+    # 1. Fetch all Organization objects
+    # 2. Fetch all related Resource objects
+    # 3. Fetch all related ContentType objects
+    # 4. Fetch all related ResourceType objects
+    with django_assert_num_queries(4) as captured:
+        org_qs = list(Organization.objects.prefetch_related("resource__content_type__resource_type").all())
+
+    # Verify the queries were as expected
+    assert "test_app_organization" in captured[0]["sql"]
+    assert "dab_resource_registry_resource" in captured[1]["sql"]
+    assert "django_content_type" in captured[2]["sql"]
+    assert "dab_resource_registry_resourcetype" in captured[3]["sql"]
+
+    assert len(org_qs) > 2
+
+    # Collect resource type data for later verification
+    resource_type_data = {}
+    with django_assert_num_queries(0):
+        for org in org_qs:
+            assert org.resource is not None
+            assert org.resource.content_type is not None
+            assert org.resource.content_type.resource_type is not None
+            # Verify the resource type is correct
+            resource_type = org.resource.content_type.resource_type
+            assert resource_type.content_type == org_ctype
+            resource_type_data[org.pk] = resource_type.pk
+
+    # Verify the resource types match what's in the database
+    expected_resource_type = ResourceType.objects.get(content_type=org_ctype)
+    for org_pk, resource_type_pk in resource_type_data.items():
+        assert resource_type_pk == expected_resource_type.pk