--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/inline_formsets/tests.py Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,163 @@
+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')
+ 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': 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-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 assertRaisesErrorWithMessage(self, error, message, callable, *args, **kwargs):
+ self.assertRaises(error, callable, *args, **kwargs)
+ try:
+ callable(*args, **kwargs)
+ except error, e:
+ self.assertEqual(message, str(e))
+
+ 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.assertRaisesErrorWithMessage(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.assertRaisesErrorWithMessage(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.assertRaisesErrorWithMessage(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'
+ )