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from django.test import TestCase
from django.forms.models import inlineformset_factory
from regressiontests.inline_formsets.models import Poet, Poem, School, Parent, Child
class DeletionTests(TestCase):
def test_deletion(self):
PoemFormSet = inlineformset_factory(Poet, Poem, can_delete=True)
poet = Poet.objects.create(name='test')
poem = poet.poem_set.create(name='test poem')
data = {
'poem_set-TOTAL_FORMS': u'1',
'poem_set-INITIAL_FORMS': u'1',
'poem_set-0-id': str(poem.pk),
'poem_set-0-poet': str(poet.pk),
'poem_set-0-name': u'test',
'poem_set-0-DELETE': u'on',
}
formset = PoemFormSet(data, instance=poet)
formset.save()
self.failUnless(formset.is_valid())
self.assertEqual(Poem.objects.count(), 0)
def test_add_form_deletion_when_invalid(self):
"""
Make sure that an add form that is filled out, but marked for deletion
doesn't cause validation errors.
"""
PoemFormSet = inlineformset_factory(Poet, Poem, can_delete=True)
poet = Poet.objects.create(name='test')
data = {
'poem_set-TOTAL_FORMS': u'1',
'poem_set-INITIAL_FORMS': u'0',
'poem_set-0-id': u'',
'poem_set-0-poem': u'1',
'poem_set-0-name': u'x' * 1000,
}
formset = PoemFormSet(data, instance=poet)
# Make sure this form doesn't pass validation.
self.assertEqual(formset.is_valid(), False)
self.assertEqual(Poem.objects.count(), 0)
# Then make sure that it *does* pass validation and delete the object,
# even though the data isn't actually valid.
data['poem_set-0-DELETE'] = 'on'
formset = PoemFormSet(data, instance=poet)
self.assertEqual(formset.is_valid(), True)
formset.save()
self.assertEqual(Poem.objects.count(), 0)
def test_change_form_deletion_when_invalid(self):
"""
Make sure that a change form that is filled out, but marked for deletion
doesn't cause validation errors.
"""
PoemFormSet = inlineformset_factory(Poet, Poem, can_delete=True)
poet = Poet.objects.create(name='test')
poet.poem_set.create(name='test poem')
data = {
'poem_set-TOTAL_FORMS': u'1',
'poem_set-INITIAL_FORMS': u'1',
'poem_set-0-id': u'1',
'poem_set-0-poem': u'1',
'poem_set-0-name': u'x' * 1000,
}
formset = PoemFormSet(data, instance=poet)
# Make sure this form doesn't pass validation.
self.assertEqual(formset.is_valid(), False)
self.assertEqual(Poem.objects.count(), 1)
# Then make sure that it *does* pass validation and delete the object,
# even though the data isn't actually valid.
data['poem_set-0-DELETE'] = 'on'
formset = PoemFormSet(data, instance=poet)
self.assertEqual(formset.is_valid(), True)
formset.save()
self.assertEqual(Poem.objects.count(), 0)
def test_save_new(self):
"""
Make sure inlineformsets respect commit=False
regression for #10750
"""
# exclude some required field from the forms
ChildFormSet = inlineformset_factory(School, Child)
school = School.objects.create(name=u'test')
mother = Parent.objects.create(name=u'mother')
father = Parent.objects.create(name=u'father')
data = {
'child_set-TOTAL_FORMS': u'1',
'child_set-INITIAL_FORMS': u'0',
'child_set-0-name': u'child',
'child_set-0-mother': unicode(mother.pk),
'child_set-0-father': unicode(father.pk),
}
formset = ChildFormSet(data, instance=school)
self.assertEqual(formset.is_valid(), True)
objects = formset.save(commit=False)
self.assertEqual(school.child_set.count(), 0)
objects[0].save()
self.assertEqual(school.child_set.count(), 1)
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