test_menu.py 文件源码

def test_show_submenu_num_queries(self):
        page = self.get_page(6)
        subpage = self.get_page(8)
        context = self.get_context(page.get_absolute_url())

        # test standard show_menu
        with self.assertNumQueries(7):
            """
            The queries should be:
                get all pages
                get all page permissions
                get all titles
                get the menu cache key
                create a savepoint
                set the menu cache key
                release the savepoint
            """
            tpl = Template("{% load menu_tags %}{% show_sub_menu %}")
            tpl.render(context)
            nodes = context['children']
            self.assertEqual(len(nodes), 1)
            self.assertEqual(nodes[0].id, subpage.pk)