def test_write_value_absent(self):
    absent = _Absent._get_absent()
    writer = _ReconWriter()
    actual = writer._write_value(absent)
    self.assertIsInstance(actual, _OutputMessage)
    self.assertEqual(0, actual._size)
    self.assertEqual('', actual._value)
def test_write_value_absent(self):
    absent = _Absent._get_absent()
    writer = _ReconWriter()
    actual = writer._write_value(absent)
    self.assertIsInstance(actual, _OutputMessage)
    self.assertEqual(0, actual._size)
    self.assertEqual(, actual._value)