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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.values_list('name', flat=True), ['Randall Munroe'])
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(), [artist])
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.values_list('name', flat=True), ['Randall Munroe'])
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.values_list('name', flat=True), ['Randall Munroe'])
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(), [obj])
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.values_list('name', flat=True), ['Randall Munroe (xkcd)'])
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.author])
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(), [a])
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.values_list('name', flat=True), ['Randall Munroe (author of xkcd)'])
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.values_list('name', flat=True), ['Randall Munroe (author of xkcd)'])
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.values_list('name', flat=True), ['Randall Munroe (author of xkcd)'])
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.values_list('name', flat=True), ['Randall Munroe (xkcd)'])
@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)
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