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Diffstat (limited to 'tests/regressiontests/queryset_pickle/tests.py')
| -rw-r--r-- | tests/regressiontests/queryset_pickle/tests.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/regressiontests/queryset_pickle/tests.py b/tests/regressiontests/queryset_pickle/tests.py index 19519b2db9..b1be30d91f 100644 --- a/tests/regressiontests/queryset_pickle/tests.py +++ b/tests/regressiontests/queryset_pickle/tests.py @@ -73,3 +73,15 @@ class PickleabilityTestCase(TestCase): empty = pickle.loads(dumped) self.assertQuerysetEqual( empty, []) + + def test_pickle_prefetch_related_idempotence(self): + p = Post.objects.create() + posts = Post.objects.prefetch_related('materials') + + # First pickling + posts = pickle.loads(pickle.dumps(posts)) + self.assertQuerysetEqual(posts, [p], lambda x: x) + + # Second pickling + posts = pickle.loads(pickle.dumps(posts)) + self.assertQuerysetEqual(posts, [p], lambda x: x) |