diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/regressiontests/queries/tests.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/regressiontests/queries/tests.py b/tests/regressiontests/queries/tests.py index 7d01c16255..780af5a8b7 100644 --- a/tests/regressiontests/queries/tests.py +++ b/tests/regressiontests/queries/tests.py @@ -1919,6 +1919,7 @@ class SubqueryTests(TestCase): class CloneTests(TestCase): + def test_evaluated_queryset_as_argument(self): "#13227 -- If a queryset is already evaluated, it can still be used as a query arg" n = Note(note='Test1', misc='misc') @@ -1933,6 +1934,39 @@ class CloneTests(TestCase): # that query in a way that involves cloning. self.assertEqual(ExtraInfo.objects.filter(note__in=n_list)[0].info, 'good') + def test_no_model_options_cloning(self): + """ + Test that cloning a queryset does not get out of hand. While complete + testing is impossible, this is a sanity check against invalid use of + deepcopy. refs #16759. + """ + opts_class = type(Note._meta) + note_deepcopy = getattr(opts_class, "__deepcopy__", None) + opts_class.__deepcopy__ = lambda obj, memo: self.fail("Model options shouldn't be cloned.") + try: + Note.objects.filter(pk__lte=F('pk') + 1).all() + finally: + if note_deepcopy is None: + delattr(opts_class, "__deepcopy__") + else: + opts_class.__deepcopy__ = note_deepcopy + + def test_no_fields_cloning(self): + """ + Test that cloning a queryset does not get out of hand. While complete + testing is impossible, this is a sanity check against invalid use of + deepcopy. refs #16759. + """ + opts_class = type(Note._meta.get_field_by_name("misc")[0]) + note_deepcopy = getattr(opts_class, "__deepcopy__", None) + opts_class.__deepcopy__ = lambda obj, memo: self.fail("Model fields shouldn't be cloned") + try: + Note.objects.filter(note=F('misc')).all() + finally: + if note_deepcopy is None: + delattr(opts_class, "__deepcopy__") + else: + opts_class.__deepcopy__ = note_deepcopy class EmptyQuerySetTests(TestCase): def test_emptyqueryset_values(self): |