from openslides.agenda.models import Item from openslides.core.models import CustomSlide from openslides.utils.test import TestCase class TestItemManager(TestCase): def test_get_root_and_children_db_queries(self): """ Test that get_root_and_children needs only one db query. """ for i in range(10): CustomSlide.objects.create(title='item{}'.format(i)) with self.assertNumQueries(1): Item.objects.get_root_and_children()