Fixed Django 4.0/4.1 deprecations in tests

Author: vdboor

polymorphic/tests/admintestcase.py

@@ -4,6 +4,7 @@
 from django.contrib.admin.templatetags.admin_urls import admin_urlname
 from django.contrib.auth.models import User
 from django.contrib.messages.middleware import MessageMiddleware
+from django.http.response import HttpResponse
 from django.test import RequestFactory, TestCase
 from django.urls import clear_url_caches, reverse, set_urlconf
 
@@ -208,7 +209,7 @@ def create_admin_request(self, method, url, data=None, **extra):
         # Add properties which middleware would typically do
         request.session = {}
         request.user = self.admin_user
-        MessageMiddleware().process_request(request)
+        MessageMiddleware(lambda r: HttpResponse("OK?")).process_request(request)
         return request
 
     def assertFormSuccess(self, request_url, response):

polymorphic/tests/test_regression.py

@@ -1,7 +1,10 @@
+import django
 from django.test import TestCase
 
 from polymorphic.tests.models import Bottom, Middle, Top
 
+transform_arg = {"transform": repr} if django.VERSION >= (3, 2) else {}
+
 
 class RegressionTests(TestCase):
     def test_for_query_result_incomplete_with_inheritance(self):
@@ -16,15 +19,15 @@ def test_for_query_result_incomplete_with_inheritance(self):
 
         expected_queryset = [top, middle, bottom]
         self.assertQuerysetEqual(
-            Top.objects.order_by("pk"), [repr(r) for r in expected_queryset]
+            Top.objects.order_by("pk"), [repr(r) for r in expected_queryset], **transform_arg
         )
 
         expected_queryset = [middle, bottom]
         self.assertQuerysetEqual(
-            Middle.objects.order_by("pk"), [repr(r) for r in expected_queryset]
+            Middle.objects.order_by("pk"), [repr(r) for r in expected_queryset], **transform_arg
         )
 
         expected_queryset = [bottom]
         self.assertQuerysetEqual(
-            Bottom.objects.order_by("pk"), [repr(r) for r in expected_queryset]
+            Bottom.objects.order_by("pk"), [repr(r) for r in expected_queryset], **transform_arg
         )