test_network.py 文件源码

def test_get_network_interface_speed_not_permitted(self, mock_ioctl):
        """
        In some cases (lucid seems to be affected), the ioctl() call is not
        allowed for non-root users. In that case we intercept the error and
        not report the network speed.
        """
        sock = socket.socket(
            socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_IP)
        theerror = IOError()
        theerror.errno = 1
        theerror.message = "Operation not permitted"

        # ioctl always raises
        mock_ioctl.side_effect = theerror

        result = get_network_interface_speed(sock, b"eth0")

        mock_ioctl.assert_called_with(ANY, ANY, ANY)

        self.assertEqual((-1, False), result)