def test_cannot_create_page_when_can_create_at_returns_false(self):
# issue #2892
# Check that creating a second SingletonPage results in a permission
# denied error.
# SingletonPage overrides the can_create_at method to make it return
# False if another SingletonPage already exists.
# The Page model now has a max_count attribute (issue 4841),
# but we are leaving this test in place to cover existing behaviour and
# ensure it does not break any code doing this in the wild.
add_url = reverse('wagtailadmin_pages:add',
args=[
SingletonPage._meta.app_label,
SingletonPage._meta.model_name, self.root_page.pk
])
# A single singleton page should be creatable
self.assertTrue(SingletonPage.can_create_at(self.root_page))
response = self.client.get(add_url)
self.assertEqual(response.status_code, 200)
# Create a singleton page
self.root_page.add_child(
instance=SingletonPage(title='singleton', slug='singleton'))
# A second singleton page should not be creatable
self.assertFalse(SingletonPage.can_create_at(self.root_page))
response = self.client.get(add_url)
self.assertEqual(response.status_code, 403)
def test_singleton_page_creation(self):
root_page = Page.objects.get(url_path='/home/')
# A single singleton page should be creatable
self.assertTrue(SingletonPage.can_create_at(root_page))
# Create a singleton page
root_page.add_child(instance=SingletonPage(
title='singleton', slug='singleton'))
# A second singleton page should not be creatable
self.assertFalse(SingletonPage.can_create_at(root_page))
def test_singleton_page_creation(self):
root_page = Page.objects.get(url_path='/home/')
# A single singleton page should be creatable
self.assertTrue(SingletonPage.can_create_at(root_page))
# Create a singleton page
root_page.add_child(instance=SingletonPage(
title='singleton', slug='singleton'))
# A second singleton page should not be creatable
self.assertFalse(SingletonPage.can_create_at(root_page))