# Copyright 2015 The Chromium 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 autotest_lib.client.bin import test
from autotest_lib.client.common_lib.cros.tendo import buffet_tester

class buffet_RestartWhenRegistered(test.test):
    """Test that buffet keeps registration details across restarts."""
    version = 1

    def initialize(self):
        self._helper = buffet_tester.BuffetTester()


    def run_once(self):
        # Erase all buffet state and restart it pointing to our fake
        # server, register with the cloud and check we can poll for
        # commands.
        self._helper.restart_buffet(reset_state=True)
        self._helper.check_buffet_status_is(buffet_tester.STATUS_UNCONFIGURED)
        device_id = self._helper.register_with_server()
        self._helper.check_buffet_is_polling(device_id)

        # Now restart buffet, while maintaining our built up state.
        # Confirm that when we start up again, we resume polling for
        # commands and the device_id is the same.
        self._helper.restart_buffet(reset_state=False)
        self._helper.check_buffet_is_polling(device_id)
        self._helper.check_buffet_status_is(
                buffet_tester.STATUS_CONNECTED, expected_device_id=device_id)


    def cleanup(self):
        self._helper.close()