| # Copyright 2019 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. |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros.enterprise import enterprise_policy_base |
| |
| |
| class policy_ScreenBrightnessPercent( |
| enterprise_policy_base.EnterprisePolicyTest): |
| """ |
| Test effect of ScreenBrightnessPercent policy on Chrome OS. |
| |
| This test will set the policy, then check the current screen brightness |
| via the status bar. |
| |
| """ |
| version = 1 |
| |
| POLICY_NAME = 'ScreenBrightnessPercent' |
| |
| def _test_backlight(self, backlight_level): |
| """ |
| Get the backlight value off the status tray slider. |
| |
| @param backlight_level: int or float, UI brightness settings. |
| |
| """ |
| self.ui.start_ui_root(self.cr) |
| self.ui.click_and_wait_for_item_with_retries( |
| item_to_click="/Status tray/", |
| isRegex_click=True, |
| item_to_wait_for="/Brightness/", |
| isRegex_wait=True) |
| value = self.ui.doCommand_on_obj("/Brightness/", |
| cmd="value", |
| isRegex=True) |
| expected = str(backlight_level) + '%' |
| if expected != value: |
| raise error.TestError('Mismatch {} v {}'.format(expected, value)) |
| |
| def run_once(self, case): |
| """ |
| Setup and run the test configured for the specified test case. |
| |
| @param case: Name of the test case to run. |
| |
| """ |
| self.setup_case(user_policies={ |
| self.POLICY_NAME: {"BrightnessAC": case}}) |
| self._test_backlight(case) |
