1 import unittest

     2 

     3 from django.utils.functional import lazy

     4 

     5 

     6 class FunctionalTestCase(unittest.TestCase):

     7     def test_lazy(self):

     8         t = lazy(lambda: tuple(range(3)), list, tuple)

     9         for a, b in zip(t(), range(3)):

    10             self.assertEqual(a, b)