Refs #28575 -- Made RelatedObjectDoesNotExist classes pickable.

Thanks to Rachel Tobin for the initial __qualname__ work and tests.

2 files changed, 13 insertions, 0 deletions

diff --git a/tests/queryset_pickle/models.py b/tests/queryset_pickle/models.py
index fba65d7a9e..1275ed6f20 100644
--- a/tests/queryset_pickle/models.py
+++ b/tests/queryset_pickle/models.py
@@ -45,6 +45,7 @@ class Happening(models.Model):
     name = models.CharField(blank=True, max_length=100, default="test")
     number1 = models.IntegerField(blank=True, default=standalone_number)
     number2 = models.IntegerField(blank=True, default=Numbers.get_static_number)
+    event = models.OneToOneField(Event, models.CASCADE, null=True)
 
 
 class Container:
diff --git a/tests/queryset_pickle/tests.py b/tests/queryset_pickle/tests.py
index ebefb690df..27f509a9c1 100644
--- a/tests/queryset_pickle/tests.py
+++ b/tests/queryset_pickle/tests.py
@@ -55,6 +55,18 @@ class PickleabilityTestCase(TestCase):
         klass = Event.MultipleObjectsReturned
         self.assertIs(pickle.loads(pickle.dumps(klass)), klass)
 
+    def test_forward_relatedobjectdoesnotexist_class(self):
+        # ForwardManyToOneDescriptor
+        klass = Event.group.RelatedObjectDoesNotExist
+        self.assertIs(pickle.loads(pickle.dumps(klass)), klass)
+        # ForwardOneToOneDescriptor
+        klass = Happening.event.RelatedObjectDoesNotExist
+        self.assertIs(pickle.loads(pickle.dumps(klass)), klass)
+
+    def test_reverse_one_to_one_relatedobjectdoesnotexist_class(self):
+        klass = Event.happening.RelatedObjectDoesNotExist
+        self.assertIs(pickle.loads(pickle.dumps(klass)), klass)
+
     def test_manager_pickle(self):
         pickle.loads(pickle.dumps(Happening.objects))