52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import logging
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from autotest_lib.client.common_lib import utils
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from autotest_lib.server.cros.faft.firmware_test import FirmwareTest
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class firmware_CgptStress(FirmwareTest):
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"""
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Servo based, iterative cgpt test. One iteration of test modifies CGPT to
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switch to boot kernel B and then switch back to kernel A again.
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"""
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version = 1
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def initialize(self, host, cmdline_args, dev_mode):
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# Parse arguments from command line
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dict_args = utils.args_to_dict(cmdline_args)
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self.faft_iterations = int(dict_args.get('faft_iterations', 1))
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super(firmware_CgptStress, self).initialize(host, cmdline_args)
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self.backup_cgpt_attributes()
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self.switcher.setup_mode('dev' if dev_mode else 'normal')
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self.setup_usbkey(usbkey=False)
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self.setup_kernel('a')
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def cleanup(self):
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try:
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self.restore_cgpt_attributes()
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except Exception as e:
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logging.error("Caught exception: %s", str(e))
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super(firmware_CgptStress, self).cleanup()
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def run_once(self):
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"""Runs a single iteration of the test."""
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for i in xrange(self.faft_iterations):
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logging.info('======== Running FAFT ITERATION %d/%s ========',
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i + 1, self.faft_iterations)
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logging.info("Expected kernel A boot and prioritize kernel B.")
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self.check_state((self.checkers.root_part_checker, 'a'))
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self.reset_and_prioritize_kernel('b')
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self.switcher.mode_aware_reboot()
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logging.info("Expected kernel B boot and prioritize kernel A.")
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self.check_state((self.checkers.root_part_checker, 'b'))
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self.reset_and_prioritize_kernel('a')
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self.switcher.mode_aware_reboot()
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logging.info("Expected kernel A boot, done.")
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self.check_state((self.checkers.root_part_checker, 'a'))
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