Fixed #15522 -- Added ModelAdmin.delete_queryset() to customize "delete selected objects" deletion.

2 files changed, 18 insertions, 0 deletions

diff --git a/tests/admin_views/admin.py b/tests/admin_views/admin.py
index 12087865b4..3cfefb74e4 100644
--- a/tests/admin_views/admin.py
+++ b/tests/admin_views/admin.py
@@ -232,6 +232,10 @@ class SubscriberAdmin(admin.ModelAdmin):
     actions = ['mail_admin']
     action_form = MediaActionForm
 
+    def delete_queryset(self, request, queryset):
+        SubscriberAdmin.overridden = True
+        super().delete_queryset(request, queryset)
+
     def mail_admin(self, request, selected):
         EmailMessage(
             'Greetings from a ModelAdmin action',
diff --git a/tests/admin_views/test_actions.py b/tests/admin_views/test_actions.py
index 453de691ce..b77714b32d 100644
--- a/tests/admin_views/test_actions.py
+++ b/tests/admin_views/test_actions.py
@@ -9,6 +9,7 @@ from django.template.response import TemplateResponse
 from django.test import TestCase, override_settings
 from django.urls import reverse
 
+from .admin import SubscriberAdmin
 from .forms import MediaActionForm
 from .models import (
     Actor, Answer, ExternalSubscriber, Question, Subscriber,
@@ -128,6 +129,19 @@ class AdminActionsTest(TestCase):
         # The page doesn't display a link to the nonexistent change page.
         self.assertContains(response, '<li>Unchangeable object: %s</li>' % obj, 1, html=True)
 
+    def test_delete_queryset_hook(self):
+        delete_confirmation_data = {
+            ACTION_CHECKBOX_NAME: [self.s1.pk, self.s2.pk],
+            'action': 'delete_selected',
+            'post': 'yes',
+            'index': 0,
+        }
+        SubscriberAdmin.overridden = False
+        self.client.post(reverse('admin:admin_views_subscriber_changelist'), delete_confirmation_data)
+        # SubscriberAdmin.delete_queryset() sets overridden to True.
+        self.assertIs(SubscriberAdmin.overridden, True)
+        self.assertEqual(Subscriber.objects.all().count(), 0)
+
     def test_custom_function_mail_action(self):
         """A custom action may be defined in a function."""
         action_data = {