Refs #21961 -- Added DatabaseFeatures.supports_on_delete_db_(cascade/null) feature flags.

Needed on MongoDB.

Co-Authored-By: Mariusz Felisiak <felisiak.mariusz@gmail.com>

2 files changed, 5 insertions, 1 deletions

diff --git a/tests/admin_utils/models.py b/tests/admin_utils/models.py
index e5d2b67887..55810f0b50 100644
--- a/tests/admin_utils/models.py
+++ b/tests/admin_utils/models.py
@@ -55,6 +55,9 @@ class DBCascade(models.Model):
     def __str__(self):
         return str(self.num)
 
+    class Meta:
+        required_db_features = {"supports_on_delete_db_cascade"}
+
 
 class Event(models.Model):
     date = models.DateTimeField(auto_now_add=True)
diff --git a/tests/admin_utils/tests.py b/tests/admin_utils/tests.py
index ce32535c52..81c6f495f8 100644
--- a/tests/admin_utils/tests.py
+++ b/tests/admin_utils/tests.py
@@ -21,7 +21,7 @@ from django.contrib.auth.models import User
 from django.contrib.auth.templatetags.auth import render_password_as_hash
 from django.core.validators import EMPTY_VALUES
 from django.db import DEFAULT_DB_ALIAS, models
-from django.test import SimpleTestCase, TestCase, override_settings
+from django.test import SimpleTestCase, TestCase, override_settings, skipUnlessDBFeature
 from django.test.utils import isolate_apps
 from django.utils.formats import localize
 from django.utils.safestring import mark_safe
@@ -115,6 +115,7 @@ class NestedObjectsTests(TestCase):
         n.collect([Vehicle.objects.first()])
 
 
+@skipUnlessDBFeature("supports_on_delete_db_cascade")
 class DBNestedObjectsTests(NestedObjectsTests):
     """
     Exercise NestedObjectsTests but with a model that makes use of DB_CASCADE