def test_delete_category(self): category = Category(title='Cat') category.save() entries = self._generate_entries(50) self._assign_category(entries, category) for e in entries: e.save() f = Entry.objects.filter(category=category)[0] self.assertEquals(f.category_id, category.id) id = category.id category.delete() self.assertEquals(len(Entry.objects.filter(category_id=id)), 0)