def test_copy_extensions(self): root = create_page('Root', "nav_playground.html", "en", published=True) page = create_page('Test Page Extension', "nav_playground.html", "en", parent=root.get_draft_object()) subpage = create_page('Test subpage Extension', "nav_playground.html", "en", parent=page) page = Page.objects.get(pk=page.pk) page_extension = MyPageExtension(extended_object=page, extra='page extension 1') page_extension.save() page.mypageextension = page_extension title = page.get_title_obj() title_extension = MyTitleExtension(extended_object=title, extra_title='title extension 1') title_extension.save() page.mytitleextension = title_extension subpage_extension = MyPageExtension(extended_object=subpage, extra='page extension 2') subpage_extension.save() subpage.mypageextension = subpage_extension subtitle = subpage.get_title_obj() subtitle_extension = MyTitleExtension(extended_object=subtitle, extra_title='title extension 2') subtitle_extension.save() subpage.mytitleextension = subtitle_extension # asserting original extensions self.assertEqual(len(extension_pool.get_page_extensions()), 2) self.assertEqual(len(extension_pool.get_title_extensions()), 2) copied_page = page.copy_page(None, page.site, position='last-child') # asserting original + copied extensions self.assertEqual(len(extension_pool.get_page_extensions()), 4) self.assertEqual(len(extension_pool.get_title_extensions()), 4) # testing extension content old_page_extensions = [page_extension, subpage_extension] old_title_extension = [title_extension, subtitle_extension] for index, new_page in enumerate([copied_page] + list(copied_page.get_descendants())): self.assertEqual(extension_pool.get_page_extensions(new_page)[0].extra, old_page_extensions[index].extra) self.assertEqual(extension_pool.get_title_extensions(new_page.title_set.get(language='en'))[0].extra_title, old_title_extension[index].extra_title) # check that objects are actually different self.assertNotEqual(extension_pool.get_page_extensions(new_page)[0].pk, old_page_extensions[index].pk) self.assertNotEqual(extension_pool.get_title_extensions(new_page.title_set.get(language='en'))[0].pk, old_title_extension[index].pk) # Test deleting original page for #3987 page.delete() # asserting original extensions are gone, but copied ones should still exist self.assertEqual(len(extension_pool.get_page_extensions()), 2) self.assertEqual(len(extension_pool.get_title_extensions()), 2)