Refs #34570 -- Added extra tests for QuerySet.only() noops.

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/defer_regress/tests.py b/tests/defer_regress/tests.py
index fc2d87e12b..5b8a9367da 100644
--- a/tests/defer_regress/tests.py
+++ b/tests/defer_regress/tests.py
@@ -277,6 +277,28 @@ class DeferRegressionTest(TestCase):
         with self.assertNumQueries(1):
             self.assertEqual(Request.objects.defer("items").get(), request)
 
+    def test_only_many_to_many_ignored(self):
+        location = Location.objects.create()
+        request = Request.objects.create(location=location)
+        with self.assertNumQueries(1):
+            self.assertEqual(Request.objects.only("items").get(), request)
+
+    def test_defer_reverse_many_to_many_ignored(self):
+        location = Location.objects.create()
+        request = Request.objects.create(location=location)
+        item = Item.objects.create(value=1)
+        request.items.add(item)
+        with self.assertNumQueries(1):
+            self.assertEqual(Item.objects.defer("request").get(), item)
+
+    def test_only_reverse_many_to_many_ignored(self):
+        location = Location.objects.create()
+        request = Request.objects.create(location=location)
+        item = Item.objects.create(value=1)
+        request.items.add(item)
+        with self.assertNumQueries(1):
+            self.assertEqual(Item.objects.only("request").get(), item)
+
 
 class DeferDeletionSignalsTests(TestCase):
     senders = [Item, Proxy]