def test_boolean_type(self): d = Donut(name='Apple Fritter') self.assertFalse(d.is_frosted) self.assertTrue(d.has_sprinkles is None) d.has_sprinkles = True self.assertTrue(d.has_sprinkles) d.save() d2 = Donut.objects.get(name='Apple Fritter') self.assertFalse(d2.is_frosted) self.assertTrue(d2.has_sprinkles)