test_clf_pn532.py 文件源码

def test_init_linux_setbaud_rsp_err(self, mocker, transport):  # noqa: F811
        mocker.patch('nfc.clf.pn532.Device.__init__').return_value = None
        mocker.patch('nfc.clf.pn532.open').return_value = ["cpuinfo"]
        stty = mocker.patch('os.system')
        stty.side_effect = [-1, 0, None]
        sys.platform = "linux"

        transport.write.return_value = None
        transport.read.side_effect = [
            ACK(), RSP('03 32010607'),                    # GetFirmwareVersion
            ACK(), RSP('15'),                             # SAMConfiguration
            ACK(), ERR(),                                 # SetSerialBaudrate
        ]
        with pytest.raises(IOError) as excinfo:
            nfc.clf.pn532.init(transport)
        assert excinfo.value.errno == errno.ENODEV
        assert stty.mock_calls == [
            call('stty -F /dev/ttyS0 921600 2> /dev/null'),
            call('stty -F /dev/ttyS0 460800 2> /dev/null'),
            call('stty -F /dev/ttyS0 115200 2> /dev/null'),
        ]
        assert transport.write.mock_calls == [call(_) for _ in [
            HEX(10 * '00') + CMD('02'),                   # GetFirmwareVersion
            HEX(10 * '00') + CMD('14 010000'),            # SAMConfiguration
            HEX(10 * '00') + CMD('10 06'),                # SetSerialBaudrate
        ]]