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[1.11.x] Fixed #27975 -- Fixed crash if ModelChoiceField's queryset=None.

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Regression in 9153d8fbd6385db9f48793662de789fc3d686841.

Backport of 216bb2e8fb from master
This commit is contained in:
James Beith
2017-03-22 16:38:16 +11:00
committed by Tim Graham
parent da72d0730e
commit 6963564ecc
2 changed files with 13 additions and 1 deletions
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11
tests/model_forms/tests.py
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@@ -1646,6 +1646,17 @@ class ModelChoiceFieldTests(TestCase):
form2 = ModelChoiceForm()
self.assertIsNone(form2.fields['category'].queryset._result_cache)
def test_modelchoicefield_queryset_none(self):
class ModelChoiceForm(forms.Form):
category = forms.ModelChoiceField(queryset=None)
def __init__(self, *args, **kwargs):
super(ModelChoiceForm, self).__init__(*args, **kwargs)
self.fields['category'].queryset = Category.objects.filter(slug__contains='test')
form = ModelChoiceForm()
self.assertCountEqual(form.fields['category'].queryset, [self.c2, self.c3])
def test_modelchoicefield_22745(self):
"""
#22745 -- Make sure that ModelChoiceField with RadioSelect widget