server/cros/bluetooth/bluetooth_valid_address_test.py

# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

from __future__ import absolute_import

import logging

import common
from autotest_lib.client.common_lib import error
from autotest_lib.server.cros.bluetooth import bluetooth_adapter_tests


class bluetooth_Health_ValidAddressTest(
        bluetooth_adapter_tests.BluetoothAdapterTests):
    """
    This class implements the valid address test.
    It should be invoked by other classes e.g. BluetoothHealthValidAddress.
    """
    version = 1

    def valid_address_test(self):
        """Verify that the client Bluetooth adapter has a valid address."""
        # Reset the adapter to the powered off state.
        self.test_reset_off_adapter()

        # Read the address both via BlueZ and via the kernel mgmt_ops interface.
        # Compare the two, they should not differ.
        bluez_properties = self.get_adapter_properties()
        controller_info = self.read_info()

        if bluez_properties['Address'] != controller_info[0]:
            raise error.TestFail(
                    'BlueZ and Kernel adapter address differ: %s != %s' %
                    (bluez_properties['Address'], controller_info[0]))

        address = controller_info[0]
        logging.debug('Bluetooth address of adapter is %s', address)

        # Health check the address
        if address == '00:00:00:00:00:00':
            raise error.TestFail('Adapter address is all zeros')
        if address.startswith('00:00:00:'):
            raise error.TestFail('Vendor portion of address is all zeros')
        if address.endswith(':00:00:00'):
            raise error.TestFail('Device portion of address is all zeros')

        if address == 'FF:FF:FF:FF:FF:FF':
            raise error.TestFail('Adapter address is all ones')
        if address.startswith('FF:FF:FF:'):
            raise error.TestFail('Vendor portion of address is all ones')
        if address.endswith(':FF:FF:FF'):
            raise error.TestFail('Device portion of address is all ones')

        # Verify that the address is still the same after powering on the radio.
        self.test_power_on_adapter()
        bluez_properties = self.get_adapter_properties()
        controller_info = self.read_info()

        if bluez_properties['Address'] != address:
            raise error.TestFail(
                    'BlueZ adapter address changed after power on: %s != %s' %
                    (bluez_properties['Address'], address))
        if controller_info[0] != address:
            raise error.TestFail(
                    'Kernel adapter address changed after power on: %s != %s' %
                    (controller_info[0], address))