286 lines
10 KiB
Python
286 lines
10 KiB
Python
from django import forms
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from django.forms.util import ErrorDict, ErrorList
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from django.forms.models import modelform_factory, inlineformset_factory, modelformset_factory
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from django.test import TestCase
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from models import User, UserSite, Restaurant, Manager, Network, Host
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class InlineFormsetTests(TestCase):
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def test_formset_over_to_field(self):
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"A formset over a ForeignKey with a to_field can be saved. Regression for #10243"
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Form = modelform_factory(User)
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FormSet = inlineformset_factory(User, UserSite)
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# Instantiate the Form and FormSet to prove
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# you can create a form with no data
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form = Form()
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form_set = FormSet(instance=User())
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# Now create a new User and UserSite instance
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data = {
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'serial': u'1',
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'username': u'apollo13',
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'usersite_set-TOTAL_FORMS': u'1',
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'usersite_set-INITIAL_FORMS': u'0',
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'usersite_set-MAX_NUM_FORMS': u'0',
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'usersite_set-0-data': u'10',
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'usersite_set-0-user': u'apollo13'
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}
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user = User()
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form = Form(data)
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if form.is_valid():
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user = form.save()
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else:
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self.fail('Errors found on form:%s' % form_set)
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form_set = FormSet(data, instance=user)
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if form_set.is_valid():
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form_set.save()
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usersite = UserSite.objects.all().values()
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self.assertEqual(usersite[0]['data'], 10)
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self.assertEqual(usersite[0]['user_id'], u'apollo13')
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else:
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self.fail('Errors found on formset:%s' % form_set.errors)
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# Now update the UserSite instance
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data = {
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'usersite_set-TOTAL_FORMS': u'1',
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'usersite_set-INITIAL_FORMS': u'1',
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'usersite_set-MAX_NUM_FORMS': u'0',
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'usersite_set-0-id': unicode(usersite[0]['id']),
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'usersite_set-0-data': u'11',
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'usersite_set-0-user': u'apollo13'
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}
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form_set = FormSet(data, instance=user)
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if form_set.is_valid():
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form_set.save()
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usersite = UserSite.objects.all().values()
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self.assertEqual(usersite[0]['data'], 11)
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self.assertEqual(usersite[0]['user_id'], u'apollo13')
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else:
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self.fail('Errors found on formset:%s' % form_set.errors)
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# Now add a new UserSite instance
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data = {
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'usersite_set-TOTAL_FORMS': u'2',
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'usersite_set-INITIAL_FORMS': u'1',
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'usersite_set-MAX_NUM_FORMS': u'0',
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'usersite_set-0-id': unicode(usersite[0]['id']),
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'usersite_set-0-data': u'11',
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'usersite_set-0-user': u'apollo13',
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'usersite_set-1-data': u'42',
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'usersite_set-1-user': u'apollo13'
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}
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form_set = FormSet(data, instance=user)
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if form_set.is_valid():
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form_set.save()
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usersite = UserSite.objects.all().values().order_by('data')
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self.assertEqual(usersite[0]['data'], 11)
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self.assertEqual(usersite[0]['user_id'], u'apollo13')
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self.assertEqual(usersite[1]['data'], 42)
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self.assertEqual(usersite[1]['user_id'], u'apollo13')
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else:
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self.fail('Errors found on formset:%s' % form_set.errors)
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def test_formset_over_inherited_model(self):
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"A formset over a ForeignKey with a to_field can be saved. Regression for #11120"
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Form = modelform_factory(Restaurant)
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FormSet = inlineformset_factory(Restaurant, Manager)
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# Instantiate the Form and FormSet to prove
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# you can create a form with no data
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form = Form()
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form_set = FormSet(instance=Restaurant())
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# Now create a new Restaurant and Manager instance
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data = {
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'name': u"Guido's House of Pasta",
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'manager_set-TOTAL_FORMS': u'1',
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'manager_set-INITIAL_FORMS': u'0',
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'manager_set-MAX_NUM_FORMS': u'0',
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'manager_set-0-name': u'Guido Van Rossum'
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}
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restaurant = User()
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form = Form(data)
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if form.is_valid():
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restaurant = form.save()
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else:
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self.fail('Errors found on form:%s' % form_set)
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form_set = FormSet(data, instance=restaurant)
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if form_set.is_valid():
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form_set.save()
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manager = Manager.objects.all().values()
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self.assertEqual(manager[0]['name'], 'Guido Van Rossum')
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else:
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self.fail('Errors found on formset:%s' % form_set.errors)
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# Now update the Manager instance
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data = {
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'manager_set-TOTAL_FORMS': u'1',
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'manager_set-INITIAL_FORMS': u'1',
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'manager_set-MAX_NUM_FORMS': u'0',
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'manager_set-0-id': unicode(manager[0]['id']),
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'manager_set-0-name': u'Terry Gilliam'
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}
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form_set = FormSet(data, instance=restaurant)
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if form_set.is_valid():
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form_set.save()
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manager = Manager.objects.all().values()
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self.assertEqual(manager[0]['name'], 'Terry Gilliam')
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else:
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self.fail('Errors found on formset:%s' % form_set.errors)
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# Now add a new Manager instance
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data = {
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'manager_set-TOTAL_FORMS': u'2',
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'manager_set-INITIAL_FORMS': u'1',
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'manager_set-MAX_NUM_FORMS': u'0',
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'manager_set-0-id': unicode(manager[0]['id']),
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'manager_set-0-name': u'Terry Gilliam',
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'manager_set-1-name': u'John Cleese'
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}
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form_set = FormSet(data, instance=restaurant)
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if form_set.is_valid():
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form_set.save()
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manager = Manager.objects.all().values().order_by('name')
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self.assertEqual(manager[0]['name'], 'John Cleese')
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self.assertEqual(manager[1]['name'], 'Terry Gilliam')
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else:
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self.fail('Errors found on formset:%s' % form_set.errors)
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def test_formset_with_none_instance(self):
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"A formset with instance=None can be created. Regression for #11872"
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Form = modelform_factory(User)
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FormSet = inlineformset_factory(User, UserSite)
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# Instantiate the Form and FormSet to prove
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# you can create a formset with an instance of None
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form = Form(instance=None)
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formset = FormSet(instance=None)
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def test_empty_fields_on_modelformset(self):
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"No fields passed to modelformset_factory should result in no fields on returned forms except for the id. See #14119."
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UserFormSet = modelformset_factory(User, fields=())
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formset = UserFormSet()
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for form in formset.forms:
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self.assertTrue('id' in form.fields)
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self.assertEqual(len(form.fields), 1)
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def test_save_as_new_with_new_inlines(self):
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"""
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Existing and new inlines are saved with save_as_new.
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Regression for #14938.
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"""
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efnet = Network.objects.create(name="EFNet")
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host1 = Host.objects.create(hostname="irc.he.net", network=efnet)
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HostFormSet = inlineformset_factory(Network, Host)
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# Add a new host, modify previous host, and save-as-new
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data = {
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'host_set-TOTAL_FORMS': u'2',
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'host_set-INITIAL_FORMS': u'1',
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'host_set-MAX_NUM_FORMS': u'0',
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'host_set-0-id': unicode(host1.id),
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'host_set-0-hostname': u'tranquility.hub.dal.net',
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'host_set-1-hostname': u'matrix.de.eu.dal.net'
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}
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# To save a formset as new, it needs a new hub instance
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dalnet = Network.objects.create(name="DALnet")
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formset = HostFormSet(data, instance=dalnet, save_as_new=True)
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self.assertTrue(formset.is_valid())
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formset.save()
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self.assertQuerysetEqual(
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dalnet.host_set.order_by("hostname"),
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["<Host: matrix.de.eu.dal.net>", "<Host: tranquility.hub.dal.net>"]
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)
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class FormsetTests(TestCase):
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def test_error_class(self):
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'''
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Test the type of Formset and Form error attributes
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'''
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Formset = modelformset_factory(User)
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data = {
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'form-TOTAL_FORMS': u'2',
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'form-INITIAL_FORMS': u'0',
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'form-MAX_NUM_FORMS': u'0',
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'form-0-id': '',
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'form-0-username': u'apollo13',
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'form-0-serial': u'1',
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'form-1-id': '',
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'form-1-username': u'apollo13',
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'form-1-serial': u'2',
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}
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formset = Formset(data)
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# check if the returned error classes are correct
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# note: formset.errors returns a list as documented
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self.assertTrue(isinstance(formset.errors, list))
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self.assertTrue(isinstance(formset.non_form_errors(), ErrorList))
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for form in formset.forms:
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self.assertTrue(isinstance(form.errors, ErrorDict))
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self.assertTrue(isinstance(form.non_field_errors(), ErrorList))
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class CustomWidget(forms.CharField):
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pass
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class UserSiteForm(forms.ModelForm):
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class Meta:
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model = UserSite
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widgets = {'data': CustomWidget}
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class Callback(object):
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def __init__(self):
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self.log = []
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def __call__(self, db_field, **kwargs):
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self.log.append((db_field, kwargs))
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return db_field.formfield(**kwargs)
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class FormfieldCallbackTests(TestCase):
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"""
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Regression for #13095: Using base forms with widgets
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defined in Meta should not raise errors.
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"""
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def test_inlineformset_factory_default(self):
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Formset = inlineformset_factory(User, UserSite, form=UserSiteForm)
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form = Formset().forms[0]
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self.assertTrue(isinstance(form['data'].field.widget, CustomWidget))
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def test_modelformset_factory_default(self):
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Formset = modelformset_factory(UserSite, form=UserSiteForm)
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form = Formset().forms[0]
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self.assertTrue(isinstance(form['data'].field.widget, CustomWidget))
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def assertCallbackCalled(self, callback):
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id_field, user_field, data_field = UserSite._meta.fields
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expected_log = [
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(id_field, {}),
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(user_field, {}),
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(data_field, {'widget': CustomWidget}),
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]
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self.assertEqual(callback.log, expected_log)
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def test_inlineformset_custom_callback(self):
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callback = Callback()
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inlineformset_factory(User, UserSite, form=UserSiteForm,
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formfield_callback=callback)
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self.assertCallbackCalled(callback)
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def test_modelformset_custom_callback(self):
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callback = Callback()
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modelformset_factory(UserSite, form=UserSiteForm,
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formfield_callback=callback)
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self.assertCallbackCalled(callback)
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