from unittest import TestCase from types import GeneratorType from testfixtures import generator class TestG(TestCase): def test_example(self): g = generator(1, 2, 3) self.assertTrue(isinstance(g, GeneratorType)) self.assertEqual(tuple(g), (1, 2, 3)) def test_from_sequence(self): s = (1, 2, 3) g = generator(*s) self.assertTrue(isinstance(g, GeneratorType)) self.assertEqual(tuple(g), (1, 2, 3))