from django import forms from django.core.exceptions import ImproperlyConfigured from django.test import SimpleTestCase, TestCase, override_settings from django.test.client import RequestFactory from django.urls import reverse from django.views.generic.base import View from django.views.generic.edit import CreateView, FormMixin, ModelFormMixin from . import views from .forms import AuthorForm from .models import Artist, Author class FormMixinTests(SimpleTestCase): request_factory = RequestFactory() def test_initial_data(self): """ Test instance independence of initial data dict (see #16138) """ initial_1 = FormMixin().get_initial() initial_1['foo'] = 'bar' initial_2 = FormMixin().get_initial() self.assertNotEqual(initial_1, initial_2) def test_get_prefix(self): """ Test prefix can be set (see #18872) """ test_string = 'test' get_request = self.request_factory.get('/') class TestFormMixin(FormMixin): request = get_request default_kwargs = TestFormMixin().get_form_kwargs() self.assertIsNone(default_kwargs.get('prefix')) set_mixin = TestFormMixin() set_mixin.prefix = test_string set_kwargs = set_mixin.get_form_kwargs() self.assertEqual(test_string, set_kwargs.get('prefix')) def test_get_form(self): class TestFormMixin(FormMixin): request = self.request_factory.get('/') self.assertIsInstance( TestFormMixin().get_form(forms.Form), forms.Form, 'get_form() should use provided form class.' ) class FormClassTestFormMixin(TestFormMixin): form_class = forms.Form self.assertIsInstance( FormClassTestFormMixin().get_form(), forms.Form, 'get_form() should fallback to get_form_class() if none is provided.' ) def test_get_context_data(self): class FormContext(FormMixin): request = self.request_factory.get('/') form_class = forms.Form self.assertIsInstance(FormContext().get_context_data()['form'], forms.Form) @override_settings(ROOT_URLCONF='generic_views.urls') class BasicFormTests(TestCase): def test_post_data(self): res = self.client.post('/contact/', {'name': "Me", 'message': "Hello"}) self.assertRedirects(res, '/list/authors/') def test_late_form_validation(self): """ A form can be marked invalid in the form_valid() method (#25548). """ res = self.client.post('/late-validation/', {'name': "Me", 'message': "Hello"}) self.assertFalse(res.context['form'].is_valid()) class ModelFormMixinTests(SimpleTestCase): def test_get_form(self): form_class = views.AuthorGetQuerySetFormView().get_form_class() self.assertEqual(form_class._meta.model, Author) def test_get_form_checks_for_object(self): mixin = ModelFormMixin() mixin.request = RequestFactory().get('/') self.assertEqual({'initial': {}, 'prefix': None}, mixin.get_form_kwargs()) @override_settings(ROOT_URLCONF='generic_views.urls') class CreateViewTests(TestCase): def test_create(self): res = self.client.get('/edit/authors/create/') self.assertEqual(res.status_code, 200) self.assertIsInstance(res.context['form'], forms.ModelForm) self.assertIsInstance(res.context['view'], View) self.assertNotIn('object', res.context) self.assertNotIn('author', res.context) self.assertTemplateUsed(res, 'generic_views/author_form.html') res = self.client.post('/edit/authors/create/', {'name': 'Randall Munroe', 'slug': 'randall-munroe'}) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/list/authors/') self.assertQuerysetEqual(Author.objects.all(), ['']) def test_create_invalid(self): res = self.client.post('/edit/authors/create/', {'name': 'A' * 101, 'slug': 'randall-munroe'}) self.assertEqual(res.status_code, 200) self.assertTemplateUsed(res, 'generic_views/author_form.html') self.assertEqual(len(res.context['form'].errors), 1) self.assertEqual(Author.objects.count(), 0) def test_create_with_object_url(self): res = self.client.post('/edit/artists/create/', {'name': 'Rene Magritte'}) self.assertEqual(res.status_code, 302) artist = Artist.objects.get(name='Rene Magritte') self.assertRedirects(res, '/detail/artist/%d/' % artist.pk) self.assertQuerysetEqual(Artist.objects.all(), ['']) def test_create_with_redirect(self): res = self.client.post('/edit/authors/create/redirect/', {'name': 'Randall Munroe', 'slug': 'randall-munroe'}) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/edit/authors/create/') self.assertQuerysetEqual(Author.objects.all(), ['']) def test_create_with_interpolated_redirect(self): res = self.client.post( '/edit/authors/create/interpolate_redirect/', {'name': 'Randall Munroe', 'slug': 'randall-munroe'} ) self.assertQuerysetEqual(Author.objects.all(), ['']) self.assertEqual(res.status_code, 302) pk = Author.objects.first().pk self.assertRedirects(res, '/edit/author/%d/update/' % pk) # Also test with escaped chars in URL res = self.client.post( '/edit/authors/create/interpolate_redirect_nonascii/', {'name': 'John Doe', 'slug': 'john-doe'} ) self.assertEqual(res.status_code, 302) pk = Author.objects.get(name='John Doe').pk self.assertRedirects(res, '/%C3%A9dit/author/{}/update/'.format(pk)) def test_create_with_special_properties(self): res = self.client.get('/edit/authors/create/special/') self.assertEqual(res.status_code, 200) self.assertIsInstance(res.context['form'], views.AuthorForm) self.assertNotIn('object', res.context) self.assertNotIn('author', res.context) self.assertTemplateUsed(res, 'generic_views/form.html') res = self.client.post('/edit/authors/create/special/', {'name': 'Randall Munroe', 'slug': 'randall-munroe'}) self.assertEqual(res.status_code, 302) obj = Author.objects.get(slug='randall-munroe') self.assertRedirects(res, reverse('author_detail', kwargs={'pk': obj.pk})) self.assertQuerysetEqual(Author.objects.all(), ['']) def test_create_without_redirect(self): msg = ( 'No URL to redirect to. Either provide a url or define a ' 'get_absolute_url method on the Model.' ) with self.assertRaisesMessage(ImproperlyConfigured, msg): self.client.post('/edit/authors/create/naive/', {'name': 'Randall Munroe', 'slug': 'randall-munroe'}) def test_create_restricted(self): res = self.client.post( '/edit/authors/create/restricted/', {'name': 'Randall Munroe', 'slug': 'randall-munroe'} ) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/accounts/login/?next=/edit/authors/create/restricted/') def test_create_view_with_restricted_fields(self): class MyCreateView(CreateView): model = Author fields = ['name'] self.assertEqual(list(MyCreateView().get_form_class().base_fields), ['name']) def test_create_view_all_fields(self): class MyCreateView(CreateView): model = Author fields = '__all__' self.assertEqual(list(MyCreateView().get_form_class().base_fields), ['name', 'slug']) def test_create_view_without_explicit_fields(self): class MyCreateView(CreateView): model = Author message = ( "Using ModelFormMixin (base class of MyCreateView) without the " "'fields' attribute is prohibited." ) with self.assertRaisesMessage(ImproperlyConfigured, message): MyCreateView().get_form_class() def test_define_both_fields_and_form_class(self): class MyCreateView(CreateView): model = Author form_class = AuthorForm fields = ['name'] message = "Specifying both 'fields' and 'form_class' is not permitted." with self.assertRaisesMessage(ImproperlyConfigured, message): MyCreateView().get_form_class() @override_settings(ROOT_URLCONF='generic_views.urls') class UpdateViewTests(TestCase): @classmethod def setUpTestData(cls): cls.author = Author.objects.create( pk=1, # Required for OneAuthorUpdate. name='Randall Munroe', slug='randall-munroe', ) def test_update_post(self): res = self.client.get('/edit/author/%d/update/' % self.author.pk) self.assertEqual(res.status_code, 200) self.assertIsInstance(res.context['form'], forms.ModelForm) self.assertEqual(res.context['object'], self.author) self.assertEqual(res.context['author'], self.author) self.assertTemplateUsed(res, 'generic_views/author_form.html') self.assertEqual(res.context['view'].get_form_called_count, 1) # Modification with both POST and PUT (browser compatible) res = self.client.post( '/edit/author/%d/update/' % self.author.pk, {'name': 'Randall Munroe (xkcd)', 'slug': 'randall-munroe'} ) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/list/authors/') self.assertQuerysetEqual(Author.objects.all(), ['']) def test_update_invalid(self): res = self.client.post( '/edit/author/%d/update/' % self.author.pk, {'name': 'A' * 101, 'slug': 'randall-munroe'} ) self.assertEqual(res.status_code, 200) self.assertTemplateUsed(res, 'generic_views/author_form.html') self.assertEqual(len(res.context['form'].errors), 1) self.assertQuerysetEqual(Author.objects.all(), ['']) self.assertEqual(res.context['view'].get_form_called_count, 1) def test_update_with_object_url(self): a = Artist.objects.create(name='Rene Magritte') res = self.client.post('/edit/artists/%d/update/' % a.pk, {'name': 'Rene Magritte'}) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/detail/artist/%d/' % a.pk) self.assertQuerysetEqual(Artist.objects.all(), ['']) def test_update_with_redirect(self): res = self.client.post( '/edit/author/%d/update/redirect/' % self.author.pk, {'name': 'Randall Munroe (author of xkcd)', 'slug': 'randall-munroe'} ) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/edit/authors/create/') self.assertQuerysetEqual(Author.objects.all(), ['']) def test_update_with_interpolated_redirect(self): res = self.client.post( '/edit/author/%d/update/interpolate_redirect/' % self.author.pk, {'name': 'Randall Munroe (author of xkcd)', 'slug': 'randall-munroe'} ) self.assertQuerysetEqual(Author.objects.all(), ['']) self.assertEqual(res.status_code, 302) pk = Author.objects.first().pk self.assertRedirects(res, '/edit/author/%d/update/' % pk) # Also test with escaped chars in URL res = self.client.post( '/edit/author/%d/update/interpolate_redirect_nonascii/' % self.author.pk, {'name': 'John Doe', 'slug': 'john-doe'} ) self.assertEqual(res.status_code, 302) pk = Author.objects.get(name='John Doe').pk self.assertRedirects(res, '/%C3%A9dit/author/{}/update/'.format(pk)) def test_update_with_special_properties(self): res = self.client.get('/edit/author/%d/update/special/' % self.author.pk) self.assertEqual(res.status_code, 200) self.assertIsInstance(res.context['form'], views.AuthorForm) self.assertEqual(res.context['object'], self.author) self.assertEqual(res.context['thingy'], self.author) self.assertNotIn('author', res.context) self.assertTemplateUsed(res, 'generic_views/form.html') res = self.client.post( '/edit/author/%d/update/special/' % self.author.pk, {'name': 'Randall Munroe (author of xkcd)', 'slug': 'randall-munroe'} ) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/detail/author/%d/' % self.author.pk) self.assertQuerysetEqual(Author.objects.all(), ['']) def test_update_without_redirect(self): msg = ( 'No URL to redirect to. Either provide a url or define a ' 'get_absolute_url method on the Model.' ) with self.assertRaisesMessage(ImproperlyConfigured, msg): self.client.post( '/edit/author/%d/update/naive/' % self.author.pk, {'name': 'Randall Munroe (author of xkcd)', 'slug': 'randall-munroe'} ) def test_update_get_object(self): res = self.client.get('/edit/author/update/') self.assertEqual(res.status_code, 200) self.assertIsInstance(res.context['form'], forms.ModelForm) self.assertIsInstance(res.context['view'], View) self.assertEqual(res.context['object'], self.author) self.assertEqual(res.context['author'], self.author) self.assertTemplateUsed(res, 'generic_views/author_form.html') # Modification with both POST and PUT (browser compatible) res = self.client.post('/edit/author/update/', {'name': 'Randall Munroe (xkcd)', 'slug': 'randall-munroe'}) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/list/authors/') self.assertQuerysetEqual(Author.objects.all(), ['']) @override_settings(ROOT_URLCONF='generic_views.urls') class DeleteViewTests(TestCase): @classmethod def setUpTestData(cls): cls.author = Author.objects.create( name='Randall Munroe', slug='randall-munroe', ) def test_delete_by_post(self): res = self.client.get('/edit/author/%d/delete/' % self.author.pk) self.assertEqual(res.status_code, 200) self.assertEqual(res.context['object'], self.author) self.assertEqual(res.context['author'], self.author) self.assertTemplateUsed(res, 'generic_views/author_confirm_delete.html') # Deletion with POST res = self.client.post('/edit/author/%d/delete/' % self.author.pk) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/list/authors/') self.assertQuerysetEqual(Author.objects.all(), []) def test_delete_by_delete(self): # Deletion with browser compatible DELETE method res = self.client.delete('/edit/author/%d/delete/' % self.author.pk) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/list/authors/') self.assertQuerysetEqual(Author.objects.all(), []) def test_delete_with_redirect(self): res = self.client.post('/edit/author/%d/delete/redirect/' % self.author.pk) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/edit/authors/create/') self.assertQuerysetEqual(Author.objects.all(), []) def test_delete_with_interpolated_redirect(self): res = self.client.post('/edit/author/%d/delete/interpolate_redirect/' % self.author.pk) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/edit/authors/create/?deleted=%d' % self.author.pk) self.assertQuerysetEqual(Author.objects.all(), []) # Also test with escaped chars in URL a = Author.objects.create(**{'name': 'Randall Munroe', 'slug': 'randall-munroe'}) res = self.client.post('/edit/author/{}/delete/interpolate_redirect_nonascii/'.format(a.pk)) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/%C3%A9dit/authors/create/?deleted={}'.format(a.pk)) def test_delete_with_special_properties(self): res = self.client.get('/edit/author/%d/delete/special/' % self.author.pk) self.assertEqual(res.status_code, 200) self.assertEqual(res.context['object'], self.author) self.assertEqual(res.context['thingy'], self.author) self.assertNotIn('author', res.context) self.assertTemplateUsed(res, 'generic_views/confirm_delete.html') res = self.client.post('/edit/author/%d/delete/special/' % self.author.pk) self.assertEqual(res.status_code, 302) self.assertRedirects(res, '/list/authors/') self.assertQuerysetEqual(Author.objects.all(), []) def test_delete_without_redirect(self): msg = 'No URL to redirect to. Provide a success_url.' with self.assertRaisesMessage(ImproperlyConfigured, msg): self.client.post('/edit/author/%d/delete/naive/' % self.author.pk)