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Refs #27563 -- Fixed ModelChoiceField.__deepcopy__() so forms don't share a queryset cache.

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Thanks Luke Benstead for the report Simon Charettes for the fix.
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Tim Graham 2017-03-15 12:54:26 -04:00 • committed by GitHub
parent 0d83052e52
commit 44f9241c48
2 changed files with 10 additions and 1 deletions
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9
tests/model_forms/tests.py
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@ -1631,6 +1631,15 @@ class ModelChoiceFieldTests(TestCase):
self.assertIsNot(field1, ModelChoiceForm.base_fields['category'])
self.assertIs(field1.widget.choices.field, field1)
def test_modelchoicefield_result_cache_not_shared(self):
class ModelChoiceForm(forms.Form):
category = forms.ModelChoiceField(Category.objects.all())
form1 = ModelChoiceForm()
self.assertCountEqual(form1.fields['category'].queryset, [self.c1, self.c2, self.c3])
form2 = ModelChoiceForm()
self.assertIsNone(form2.fields['category'].queryset._result_cache)
def test_modelchoicefield_22745(self):
"""
#22745 -- Make sure that ModelChoiceField with RadioSelect widget