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Diffstat (limited to 'tests/queryset_pickle')
| -rw-r--r-- | tests/queryset_pickle/tests.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/queryset_pickle/tests.py b/tests/queryset_pickle/tests.py index 5e42d90520..6ac51c8431 100644 --- a/tests/queryset_pickle/tests.py +++ b/tests/queryset_pickle/tests.py @@ -119,6 +119,20 @@ class PickleabilityTestCase(TestCase): groups = pickle.loads(pickle.dumps(groups)) self.assertQuerysetEqual(groups, [g], lambda x: x) + def test_pickle_prefetch_related_with_m2m_and_objects_deletion(self): + """ + #24831 -- Cached properties on ManyToOneRel created in QuerySet.delete() + caused subsequent QuerySet pickling to fail. + """ + g = Group.objects.create(name='foo') + m2m = M2MModel.objects.create() + m2m.groups.add(g) + Group.objects.all().delete() + + m2ms = M2MModel.objects.prefetch_related('groups') + m2ms = pickle.loads(pickle.dumps(m2ms)) + self.assertQuerysetEqual(m2ms, [m2m], lambda x: x) + def test_missing_django_version_unpickling(self): """ #21430 -- Verifies a warning is raised for querysets that are |