content: from django.test import TestCase
  
  from utilities.choices import ChoiceSet
  
  
  class ExampleChoices(ChoiceSet):
  
      CHOICE_A = 'a'
      CHOICE_B = 'b'
      CHOICE_C = 'c'
      CHOICE_1 = 1
      CHOICE_2 = 2
      CHOICE_3 = 3
  
      CHOICES = (
          ('Letters', (
              (CHOICE_A, 'A'),
              (CHOICE_B, 'B'),
              (CHOICE_C, 'C'),
          )),
          ('Digits', (
              (CHOICE_1, 'One'),
              (CHOICE_2, 'Two'),
              (CHOICE_3, 'Three'),
          )),
      )
  
  
  class ChoiceSetTestCase(TestCase):
  
      def test_values(self):
          self.assertListEqual(ExampleChoices.values(), ['a', 'b', 'c', 1, 2, 3])
  