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, exclude=['father', 'mother']) 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', } formset = ChildFormSet(data, instance=school) self.assertEqual(formset.is_valid(), True) objects = formset.save(commit=False) for obj in objects: obj.mother = mother obj.father = father obj.save() self.assertEqual(school.child_set.count(), 1)