43 lines
1.7 KiB
Python
43 lines
1.7 KiB
Python
# Copyright 2018 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.server.cros.faft.firmware_test import FirmwareTest
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class firmware_WriteProtect(FirmwareTest):
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"""
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This test checks whether the hardware write-protect state reported by
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crossystem matches the real write-protect state driven by Servo.
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"""
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version = 1
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def initialize(self, host, cmdline_args, dev_mode=False):
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"""Initialize the test"""
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super(firmware_WriteProtect, self).initialize(host, cmdline_args)
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self.switcher.setup_mode('dev' if dev_mode else 'normal')
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self._original_wp = 'on' in self.servo.get('fw_wp_state')
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def cleanup(self):
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"""Cleanup the test"""
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try:
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if hasattr(self, '_original_wp'):
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self.set_ap_write_protect_and_reboot(self._original_wp)
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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_WriteProtect, 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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logging.info('Enable write-protect.')
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self.set_ap_write_protect_and_reboot(True)
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self.check_state((self.checkers.crossystem_checker, {'wpsw_cur': '1'}))
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logging.info('Now disable write-protect and check again.')
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self.set_ap_write_protect_and_reboot(False)
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self.check_state((self.checkers.crossystem_checker, {'wpsw_cur': '0'}))
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logging.info('Enable write-protect again to check final state.')
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self.set_ap_write_protect_and_reboot(True)
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self.check_state((self.checkers.crossystem_checker, {'wpsw_cur': '1'}))
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