from django.test import TestCase from models import ResolveThis class DeferRegressionTest(TestCase): def test_resolve_columns(self): rt = ResolveThis.objects.create(num=5.0, name='Foobar') qs = ResolveThis.objects.defer('num') self.assertEqual(1, qs.count()) self.assertEqual('Foobar', qs[0].name)