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Fixed #18898 -- Added tests with a fix for ModelMultipleChoiceField

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Claude Paroz 2013-01-26 18:23:10 +01:00
parent 892bc91cb0
commit 3318595c0b
2 changed files with 33 additions and 1 deletions
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2
django/forms/models.py
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@ -1072,6 +1072,6 @@ class ModelMultipleChoiceField(ModelChoiceField):
data = []
if len(initial) != len(data):
return True
initial_set = set([force_text(value) for value in initial])
initial_set = set([force_text(value) for value in self.prepare_value(initial)])
data_set = set([force_text(value) for value in data])
return data_set != initial_set

32
tests/model_formsets/tests.py
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@ -1071,6 +1071,38 @@ class ModelFormsetTest(TestCase):
FormSet = modelformset_factory(ClassyMexicanRestaurant, fields=["tacos_are_yummy"])
self.assertEqual(sorted(FormSet().forms[0].fields.keys()), ['restaurant', 'tacos_are_yummy'])
def test_model_formset_with_initial_model_instance(self):
# has_changed should compare model instance and primary key
# see #18898
FormSet = modelformset_factory(Poem)
john_milton = Poet(name="John Milton")
john_milton.save()
data = {
'form-TOTAL_FORMS': 1,
'form-INITIAL_FORMS': 0,
'form-MAX_NUM_FORMS': '',
'form-0-name': '',
'form-0-poet': str(john_milton.id),
}
formset = FormSet(initial=[{'poet': john_milton}], data=data)
self.assertFalse(formset.extra_forms[0].has_changed())
def test_model_formset_with_initial_queryset(self):
# has_changed should work with queryset and list of pk's
# see #18898
FormSet = modelformset_factory(AuthorMeeting)
author = Author.objects.create(pk=1, name='Charles Baudelaire')
data = {
'form-TOTAL_FORMS': 1,
'form-INITIAL_FORMS': 0,
'form-MAX_NUM_FORMS': '',
'form-0-name': '',
'form-0-created': '',
'form-0-authors': list(Author.objects.values_list('id', flat=True)),
}
formset = FormSet(initial=[{'authors': Author.objects.all()}], data=data)
self.assertFalse(formset.extra_forms[0].has_changed())
def test_prevent_duplicates_from_with_the_same_formset(self):
FormSet = modelformset_factory(Product, extra=2)
data = {