/tests/regressiontests/inline_formsets/tests.py
https://code.google.com/p/mango-py/ · Python · 156 lines · 121 code · 12 blank · 23 comment · 2 complexity · 22a3604b227ac63d03f9e8af8394ff89 MD5 · raw file
- from django.forms.models import inlineformset_factory
- from django.test import TestCase
- 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-MAX_NUM_FORMS': u'0',
- '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.assertTrue(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-MAX_NUM_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')
- poem = poet.poem_set.create(name='test poem')
- data = {
- 'poem_set-TOTAL_FORMS': u'1',
- 'poem_set-INITIAL_FORMS': u'1',
- 'poem_set-MAX_NUM_FORMS': u'0',
- 'poem_set-0-id': unicode(poem.id),
- 'poem_set-0-poem': unicode(poem.id),
- '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-MAX_NUM_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)
- class InlineFormsetFactoryTest(TestCase):
- def test_inline_formset_factory(self):
- """
- These should both work without a problem.
- """
- inlineformset_factory(Parent, Child, fk_name='mother')
- inlineformset_factory(Parent, Child, fk_name='father')
- def test_exception_on_unspecified_foreign_key(self):
- """
- Child has two ForeignKeys to Parent, so if we don't specify which one
- to use for the inline formset, we should get an exception.
- """
- self.assertRaisesRegexp(Exception,
- "<class 'regressiontests.inline_formsets.models.Child'> has more than 1 ForeignKey to <class 'regressiontests.inline_formsets.models.Parent'>",
- inlineformset_factory, Parent, Child
- )
- def test_fk_name_not_foreign_key_field_from_child(self):
- """
- If we specify fk_name, but it isn't a ForeignKey from the child model
- to the parent model, we should get an exception.
- """
- self.assertRaises(Exception,
- "fk_name 'school' is not a ForeignKey to <class 'regressiontests.inline_formsets.models.Parent'>",
- inlineformset_factory, Parent, Child, fk_name='school'
- )
- def test_non_foreign_key_field(self):
- """
- If the field specified in fk_name is not a ForeignKey, we should get an
- exception.
- """
- self.assertRaisesRegexp(Exception,
- "<class 'regressiontests.inline_formsets.models.Child'> has no field named 'test'",
- inlineformset_factory, Parent, Child, fk_name='test'
- )
- def test_any_iterable_allowed_as_argument_to_exclude(self):
- # Regression test for #9171.
- inlineformset_factory(
- Parent, Child, exclude=['school'], fk_name='mother'
- )
- inlineformset_factory(
- Parent, Child, exclude=('school',), fk_name='mother'
- )