def test_object_id_field_type_requires_kwargs_as_dict(self):
object_id_tuple_bad_kwargs = (models.TextField, 10)
self.assertRaises(
TypeError,
lambda: instantiate_object_id_field(object_id_tuple_bad_kwargs))
def test_object_id_field_type_tuple(self):
field = instantiate_object_id_field((models.CharField, {
'max_length': 20
}))
self.assertIsInstance(field, models.CharField)
self.assertEqual(field.max_length, 20)
def test_object_id_field_type_requires_field_class(self):
self.assertRaises(TypeError, lambda: instantiate_object_id_field(int))
def test_object_id_field_type_class(self):
field = instantiate_object_id_field(models.PositiveIntegerField)
self.assertIsInstance(field, models.PositiveIntegerField)