253 lines
9.8 KiB
Python
253 lines
9.8 KiB
Python
from datetime import date
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from django import db
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from django import forms
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from django.forms.models import modelform_factory, ModelChoiceField
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from django.conf import settings
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from django.test import TestCase
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from models import Person, RealPerson, Triple, FilePathModel, Article, \
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Publication, CustomFF, Author, Author1, Homepage
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class ModelMultipleChoiceFieldTests(TestCase):
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def setUp(self):
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self.old_debug = settings.DEBUG
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settings.DEBUG = True
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def tearDown(self):
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settings.DEBUG = self.old_debug
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def test_model_multiple_choice_number_of_queries(self):
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"""
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Test that ModelMultipleChoiceField does O(1) queries instead of
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O(n) (#10156).
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"""
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for i in range(30):
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Person.objects.create(name="Person %s" % i)
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db.reset_queries()
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f = forms.ModelMultipleChoiceField(queryset=Person.objects.all())
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selected = f.clean([1, 3, 5, 7, 9])
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self.assertEquals(len(db.connection.queries), 1)
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class TripleForm(forms.ModelForm):
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class Meta:
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model = Triple
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class UniqueTogetherTests(TestCase):
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def test_multiple_field_unique_together(self):
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"""
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When the same field is involved in multiple unique_together
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constraints, we need to make sure we don't remove the data for it
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before doing all the validation checking (not just failing after
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the first one).
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"""
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Triple.objects.create(left=1, middle=2, right=3)
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form = TripleForm({'left': '1', 'middle': '2', 'right': '3'})
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self.failIf(form.is_valid())
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form = TripleForm({'left': '1', 'middle': '3', 'right': '1'})
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self.failUnless(form.is_valid())
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class TripleFormWithCleanOverride(forms.ModelForm):
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class Meta:
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model = Triple
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def clean(self):
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if not self.cleaned_data['left'] == self.cleaned_data['right']:
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raise forms.ValidationError('Left and right should be equal')
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return self.cleaned_data
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class OverrideCleanTests(TestCase):
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def test_override_clean(self):
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"""
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Regression for #12596: Calling super from ModelForm.clean() should be
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optional.
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"""
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form = TripleFormWithCleanOverride({'left': 1, 'middle': 2, 'right': 1})
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self.failUnless(form.is_valid())
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# form.instance.left will be None if the instance was not constructed
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# by form.full_clean().
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self.assertEquals(form.instance.left, 1)
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# Regression test for #12960.
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# Make sure the cleaned_data returned from ModelForm.clean() is applied to the
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# model instance.
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class PublicationForm(forms.ModelForm):
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def clean(self):
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self.cleaned_data['title'] = self.cleaned_data['title'].upper()
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return self.cleaned_data
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class Meta:
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model = Publication
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class ModelFormCleanTest(TestCase):
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def test_model_form_clean_applies_to_model(self):
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data = {'title': 'test', 'date_published': '2010-2-25'}
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form = PublicationForm(data)
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publication = form.save()
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self.assertEqual(publication.title, 'TEST')
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class FPForm(forms.ModelForm):
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class Meta:
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model = FilePathModel
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class FilePathFieldTests(TestCase):
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def test_file_path_field_blank(self):
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"""
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Regression test for #8842: FilePathField(blank=True)
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"""
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form = FPForm()
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names = [p[1] for p in form['path'].field.choices]
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names.sort()
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self.assertEqual(names, ['---------', '__init__.py', 'models.py', 'tests.py'])
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class ManyToManyCallableInitialTests(TestCase):
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def test_callable(self):
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"Regression for #10349: A callable can be provided as the initial value for an m2m field"
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# Set up a callable initial value
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def formfield_for_dbfield(db_field, **kwargs):
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if db_field.name == 'publications':
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kwargs['initial'] = lambda: Publication.objects.all().order_by('date_published')[:2]
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return db_field.formfield(**kwargs)
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# Set up some Publications to use as data
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Publication(title="First Book", date_published=date(2007,1,1)).save()
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Publication(title="Second Book", date_published=date(2008,1,1)).save()
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Publication(title="Third Book", date_published=date(2009,1,1)).save()
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# Create a ModelForm, instantiate it, and check that the output is as expected
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ModelForm = modelform_factory(Article, formfield_callback=formfield_for_dbfield)
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form = ModelForm()
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self.assertEquals(form.as_ul(), u"""<li><label for="id_headline">Headline:</label> <input id="id_headline" type="text" name="headline" maxlength="100" /></li>
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<li><label for="id_publications">Publications:</label> <select multiple="multiple" name="publications" id="id_publications">
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<option value="1" selected="selected">First Book</option>
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<option value="2" selected="selected">Second Book</option>
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<option value="3">Third Book</option>
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</select> Hold down "Control", or "Command" on a Mac, to select more than one.</li>""")
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class CFFForm(forms.ModelForm):
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class Meta:
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model = CustomFF
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class CustomFieldSaveTests(TestCase):
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def test_save(self):
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"Regression for #11149: save_form_data should be called only once"
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# It's enough that the form saves without error -- the custom save routine will
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# generate an AssertionError if it is called more than once during save.
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form = CFFForm(data = {'f': None})
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form.save()
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class ModelChoiceIteratorTests(TestCase):
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def test_len(self):
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class Form(forms.ModelForm):
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class Meta:
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model = Article
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fields = ["publications"]
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Publication.objects.create(title="Pravda",
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date_published=date(1991, 8, 22))
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f = Form()
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self.assertEqual(len(f.fields["publications"].choices), 1)
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class RealPersonForm(forms.ModelForm):
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class Meta:
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model = RealPerson
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class CustomModelFormSaveMethod(TestCase):
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def test_string_message(self):
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data = {'name': 'anonymous'}
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form = RealPersonForm(data)
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self.assertEqual(form.is_valid(), False)
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self.assertEqual(form.errors['__all__'], ['Please specify a real name.'])
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class ModelClassTests(TestCase):
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def test_no_model_class(self):
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class NoModelModelForm(forms.ModelForm):
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pass
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self.assertRaises(ValueError, NoModelModelForm)
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class OneToOneFieldTests(TestCase):
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def test_assignment_of_none(self):
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class AuthorForm(forms.ModelForm):
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class Meta:
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model = Author
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fields = ['publication', 'full_name']
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publication = Publication.objects.create(title="Pravda",
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date_published=date(1991, 8, 22))
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author = Author.objects.create(publication=publication, full_name='John Doe')
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form = AuthorForm({'publication':u'', 'full_name':'John Doe'}, instance=author)
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self.assert_(form.is_valid())
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self.assertEqual(form.cleaned_data['publication'], None)
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author = form.save()
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# author object returned from form still retains original publication object
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# that's why we need to retreive it from database again
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new_author = Author.objects.get(pk=author.pk)
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self.assertEqual(new_author.publication, None)
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def test_assignment_of_none_null_false(self):
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class AuthorForm(forms.ModelForm):
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class Meta:
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model = Author1
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fields = ['publication', 'full_name']
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publication = Publication.objects.create(title="Pravda",
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date_published=date(1991, 8, 22))
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author = Author1.objects.create(publication=publication, full_name='John Doe')
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form = AuthorForm({'publication':u'', 'full_name':'John Doe'}, instance=author)
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self.assert_(not form.is_valid())
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class ModelChoiceForm(forms.Form):
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person = ModelChoiceField(Person.objects.all())
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class TestTicket11183(TestCase):
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def test_11183(self):
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form1 = ModelChoiceForm()
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field1 = form1.fields['person']
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# To allow the widget to change the queryset of field1.widget.choices correctly,
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# without affecting other forms, the following must hold:
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self.assert_(field1 is not ModelChoiceForm.base_fields['person'])
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self.assert_(field1.widget.choices.field is field1)
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class HomepageForm(forms.ModelForm):
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class Meta:
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model = Homepage
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class URLFieldTests(TestCase):
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def test_url_on_modelform(self):
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"Check basic URL field validation on model forms"
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self.assertFalse(HomepageForm({'url': 'foo'}).is_valid())
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self.assertFalse(HomepageForm({'url': 'http://'}).is_valid())
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self.assertFalse(HomepageForm({'url': 'http://example'}).is_valid())
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self.assertFalse(HomepageForm({'url': 'http://example.'}).is_valid())
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self.assertFalse(HomepageForm({'url': 'http://com.'}).is_valid())
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self.assertTrue(HomepageForm({'url': 'http://localhost'}).is_valid())
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self.assertTrue(HomepageForm({'url': 'http://example.com'}).is_valid())
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self.assertTrue(HomepageForm({'url': 'http://www.example.com'}).is_valid())
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self.assertTrue(HomepageForm({'url': 'http://www.example.com:8000'}).is_valid())
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self.assertTrue(HomepageForm({'url': 'http://www.example.com/test'}).is_valid())
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self.assertTrue(HomepageForm({'url': 'http://www.example.com:8000/test'}).is_valid())
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self.assertTrue(HomepageForm({'url': 'http://example.com/foo/bar'}).is_valid())
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def test_http_prefixing(self):
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"If the http:// prefix is omitted on form input, the field adds it again. (Refs #13613)"
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form = HomepageForm({'url': 'example.com'})
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form.is_valid()
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# self.assertTrue(form.is_valid())
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# self.assertEquals(form.cleaned_data['url'], 'http://example.com/')
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form = HomepageForm({'url': 'example.com/test'})
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form.is_valid()
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# self.assertTrue(form.is_valid())
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# self.assertEquals(form.cleaned_data['url'], 'http://example.com/test')
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