1 # Copyright 2016 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 from autotest_lib.client.bin import test 7 from autotest_lib.client.common_lib import error 8 from autotest_lib.client.common_lib import utils 9 from autotest_lib.client.cros import service_stopper 10 from autotest_lib.client.cros.graphics import graphics_utils 11 12 13 class graphics_Drm(test.test): 14 """Runs one of the drm-tests. 15 """ 16 version = 1 17 GSC = None 18 _services = None 19 _timeout = 120 20 21 def initialize(self): 22 self.GSC = graphics_utils.GraphicsStateChecker() 23 self._services = service_stopper.ServiceStopper(['ui']) 24 25 def cleanup(self): 26 if self.GSC: 27 self.GSC.finalize() 28 if self._services: 29 self._services.restore_services() 30 31 def run_once(self, cmd, stop_ui=True, display_required=True): 32 num_displays = graphics_utils.get_num_outputs_on() 33 # Sanity check to guard against incorrect silent passes. 34 if num_displays == 0 and utils.get_device_type() == 'CHROMEBOOK': 35 raise error.TestFail('Error: found Chromebook without display.') 36 if display_required and num_displays == 0: 37 # If a test needs a display and we don't have a display, 38 # consider it a pass. 39 logging.warning('No display connected, skipping test.') 40 return 41 if stop_ui: 42 self._services.stop_services() 43 try: 44 result = utils.run(cmd, 45 timeout=self._timeout, 46 ignore_status=True, 47 stderr_is_expected=True, 48 verbose=True, 49 stdout_tee=utils.TEE_TO_LOGS, 50 stderr_tee=utils.TEE_TO_LOGS) 51 except Exception: 52 # Fail on exceptions. 53 raise error.TestFail('Failed: Exception running %s' % cmd) 54 55 # Last but not least check return code and use it for triage. 56 if result.exit_status != 0: 57 raise error.TestFail('Failed: %s (exit=%d)' % 58 (cmd, result.exit_status)) 59
