def test_ConvertReturnsValueWhenNotDecorated(self):
     vc = ValueConvertor(None)
     self.assertEqual(10, vc.convert(10))
 def test_ConvertChainsMethodCallsAppropriately(self):
     vc = ValueConvertor(self.mock_vc)
     vc.convert(10)
     self.mock_vc.convert.assert_called_once_with(10)