| # Copyright (c) 2012 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. |
| |
| import logging |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.server.cros.faft.firmware_test import FirmwareTest |
| |
| |
| class firmware_DevBootUSB(FirmwareTest): |
| """ |
| Servo based Ctrl-U developer USB boot test. |
| |
| This test requires a USB disk plugged-in, which contains a Chrome OS test |
| image (built by "build_image test"). On runtime, this test first switches |
| DUT to developer mode. When dev_boot_usb=0, pressing Ctrl-U on developer |
| screen should not boot the USB disk. When dev_boot_usb=1, pressing Ctrl-U |
| should boot the USB disk. |
| """ |
| version = 1 |
| |
| def initialize(self, host, cmdline_args, ec_wp=None): |
| """Initialize the test""" |
| super(firmware_DevBootUSB, self).initialize(host, cmdline_args, |
| ec_wp=ec_wp) |
| self.switcher.setup_mode('dev') |
| # Use the USB key for Ctrl-U dev boot, not recovery. |
| self.setup_usbkey(usbkey=True, host=False, used_for_recovery=False) |
| |
| self.original_dev_boot_usb = self.faft_client.system.get_dev_boot_usb() |
| logging.info('Original dev_boot_usb value: %s', |
| str(self.original_dev_boot_usb)) |
| |
| def cleanup(self): |
| """Cleanup the test""" |
| try: |
| self.ensure_dev_internal_boot(self.original_dev_boot_usb) |
| except Exception as e: |
| logging.error("Caught exception: %s", str(e)) |
| super(firmware_DevBootUSB, self).cleanup() |
| |
| def run_once(self): |
| """Main test logic""" |
| if (self.faft_config.has_keyboard and |
| not self.check_ec_capability(['keyboard'])): |
| raise error.TestNAError("TEST IT MANUALLY! This test can't be " |
| "automated on non-Chrome-EC devices.") |
| |
| logging.info("Expected developer mode, set dev_boot_usb to 0.") |
| self.check_state((self.checkers.dev_boot_usb_checker, False)) |
| self.faft_client.system.set_dev_boot_usb(0) |
| self.switcher.mode_aware_reboot() |
| |
| logging.info("Expected internal disk boot, set dev_boot_usb to 1.") |
| self.check_state((self.checkers.dev_boot_usb_checker, |
| False, |
| "Not internal disk boot, dev_boot_usb misbehaved")) |
| self.faft_client.system.set_dev_boot_usb(1) |
| self.switcher.simple_reboot() |
| self.switcher.bypass_dev_boot_usb() |
| self.switcher.wait_for_client() |
| |
| logging.info("Expected USB boot, set dev_boot_usb to the original.") |
| self.check_state((self.checkers.dev_boot_usb_checker, (True, True), |
| 'Device not booted from USB image properly.')) |
| self.faft_client.system.set_dev_boot_usb(self.original_dev_boot_usb) |
| self.switcher.mode_aware_reboot() |
| |
| logging.info("Check and done.") |
| self.check_state((self.checkers.dev_boot_usb_checker, False)) |
