| # Copyright (c) 2015 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 time |
| |
| from autotest_lib.server import autotest, test |
| |
| class system_ColdBoot(test.test): |
| """ |
| Shut down the device gracefully via Linux shell commands, then simulate |
| a power button press and verify that it comes back up correctly. |
| """ |
| version = 1 |
| |
| # Allowed timeout for graceful shutdown. |
| TIMEOUT_POWEROFF_TRANSITION = 15 |
| # Time to sleep to ensure full power off, after OS quits replying to pings. |
| WAIT_TIME_FULL_POWEROFF = 5 |
| |
| def run_once(self, host): |
| boot_id = host.get_boot_id() |
| |
| host.run("poweroff") |
| host.test_wait_for_shutdown(self.TIMEOUT_POWEROFF_TRANSITION) |
| time.sleep(self.WAIT_TIME_FULL_POWEROFF) |
| |
| host.servo.power_normal_press() |
| host.test_wait_for_boot(boot_id) |
| |
| autotest.Autotest(host).run_test("desktopui_SimpleLogin", |
| exit_without_logout=True) |
