| # Copyright 2017 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.client.common_lib import error |
| from autotest_lib.client.common_lib.cros import dbus_send |
| from autotest_lib.server import test |
| from autotest_lib.server.cros.cfm import cfm_base_test |
| from autotest_lib.server.cros.multimedia import remote_facade_factory |
| |
| LONG_TIMEOUT = 20 |
| SHORT_TIMEOUT = 1 |
| OBJ_INTERFACE = "org.chromium.huddlymonitor" |
| |
| class enterprise_CFM_HuddlyMonitor(cfm_base_test.CfmBaseTest): |
| """ Autotests for huddly-monitor, within cfm-device-monitor. |
| |
| All autotests involve being in a cfm meeting, without loss of generality. |
| |
| All test scenarios are in a function of their own, with the explanation |
| as docstring. |
| """ |
| version = 1 |
| |
| def is_monitor_alive(self): |
| """Check if huddly-monitor is alive and registered on Dbus.""" |
| result = dbus_send.dbus_send("org.freedesktop.DBus", |
| "org.freedesktop.DBus", |
| "/org/freedesktop/DBus", |
| "ListNames", |
| None, |
| self._host, |
| 2, |
| False, |
| "cfm-monitor") |
| return OBJ_INTERFACE in result.response |
| |
| def fake_error_should_remediate(self): |
| """ Enter an error message in kernel log buffer. Wait to see if |
| monitor detects it and remediates the camera accordingly """ |
| err_msg = "sudo echo \"<3>uvcvideo: Failed AUTOTEST\" >> /dev/kmsg" |
| |
| self._host.run(err_msg) |
| |
| # Wait till camera reboots |
| time.sleep(LONG_TIMEOUT) |
| # Make sure camera is turned on |
| self.cfm_facade.unmute_camera() |
| |
| # Check if camera operational |
| if(self.cfm_facade.is_camera_muted()): |
| raise error.TestFail("Camera still not functional.") |
| |
| def fake_error_monitor_sleeping_no_action(self): |
| """Enter an error message in kernel log buffer when monitor is |
| sleeping. Make sure it does not detect it.""" |
| err_msg = "sudo echo \"<3>uvcvideo: Failed AUTOTEST\" >> /dev/kmsg" |
| |
| # Force-sleep monitor |
| self._host.run("/usr/bin/huddlymonitor_update false") |
| |
| # Fake error |
| self._host.run(err_msg) |
| |
| # Check camera is not hotplugged, since monitor asleep |
| if(self.cfm_facade.is_camera_muted()): |
| raise error.TestFail("Should not have hotplug.") |
| |
| |
| def monitor_woke_detect_earlier_error(self): |
| """Wake up monitor. Check to see if it detects an error message |
| that was entered earlier. This test assumes there already was an |
| error message in the kernel log buffer. Typically used after |
| fake_error_monitor_sleeping_no_action.""" |
| # Wake up monitor |
| self._host.run("/usr/bin/huddlymonitor_update true") |
| |
| # Wait till camera reboots, takes some time for monitor to wake up. |
| time.sleep(LONG_TIMEOUT) |
| |
| self.cfm_facade.unmute_camera() |
| |
| # Check if camera operational |
| if(self.cfm_facade.is_camera_muted()): |
| raise error.TestFail("Camera still not functional.") |
| |
| def monitor_skip_unrelated_error(self): |
| """Enter a bogus kernel message. Check to see if the monitor detects |
| it. """ |
| # Send error message not intended for monitor |
| self._host.run("sudo echo \"<4>uvcvideo: Failed \" >> /dev/kmsg") |
| |
| # Make sure no action was taken |
| if(self.cfm_facade.is_camera_muted()): |
| raise error.Testfail("Should not have hotplug") |
| |
| def run_once(self): |
| """Run the autotest suite once.""" |
| |
| self.cfm_facade.wait_for_meetings_telemetry_commands() |
| self.cfm_facade.start_meeting_session() |
| # Quit early if monitor is not alive. |
| result = self.is_monitor_alive() |
| if(not result): |
| raise error.TestFail("Monitor not alive") |
| |
| # Enough time to enter meeting |
| time.sleep(SHORT_TIMEOUT) |
| |
| self.fake_error_should_remediate() |
| self.fake_error_monitor_sleeping_no_action() |
| self.monitor_woke_detect_earlier_error() |
| self.monitor_skip_unrelated_error() |
