def test_escrita_campo_num_decimal(self):
        # aceitar somente tipo Decimal
        with self.assertRaises(errors.TipoError):
            self.seg_p.valor_titulo = 10.0
        with self.assertRaises(errors.TipoError):
            self.seg_p.valor_titulo = ''

        # Testa se as casas decimais estao sendo verificadas
        with self.assertRaises(errors.NumDecimaisError):
            self.seg_p.valor_titulo = Decimal('100.2')
        with self.assertRaises(errors.NumDecimaisError):
            self.seg_p.valor_titulo = Decimal('1001')
        with self.assertRaises(errors.NumDecimaisError):
            self.seg_p.valor_titulo = Decimal('1.000')

        # verifica se o numero de digitos esta sendo verificado
        with self.assertRaises(errors.NumDigitosExcedidoError):
            self.seg_p.valor_titulo = Decimal('10000000008100.21')

        # armazemamento correto de um decimal
        self.seg_p.valor_titulo = Decimal('2.13')
        self.assertEqual(self.seg_p.valor_titulo, Decimal('2.13'))
def request_message_txt(self):
        """
        This is the body of the request we send across. This is never actually
        used in the code, but exists for debugging purposes -- you can call
        `print attempt.request_message_txt()` on the console and get a readable
        rendering of the request that would be sent across, without actually
        sending anything.
        """
        headers, body = self.create_request()

        header_txt = "\n".join(
            u"{}: {}".format(h, v) for h, v in sorted(headers.items())
        )
        body_txt = json.dumps(body, indent=2, sort_keys=True, ensure_ascii=False).encode('utf-8')

        return header_txt + "\n\n" + body_txt