def test_01(self): self.assertEqual(Server.reading_length_of_data('asdasd'), 'error', 'error is not returned for nondigits')
def test_02(self): self.assertEqual(Server.reading_length_of_data('12345'), '1234', 'returned digits are wrong')
def test_01(self): self.assertEqual(Server.reading_length_of_data('asdasd'), 'error', 'error is not returned for nondigits')
def test_02(self): self.assertEqual(Server.reading_length_of_data('12345'), '1234', 'returned digits are wrong')