| # Copyright 2014 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. |
| |
| """This is a server side external display test using the Chameleon board.""" |
| |
| import logging |
| import os |
| import random |
| import time |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.server.cros.chameleon import chameleon_test |
| |
| |
| class display_SuspendStress(chameleon_test.ChameleonTest): |
| """Server side external display test. |
| |
| This test talks to a Chameleon board and a DUT to set up, run, and verify |
| external display function of the DUT with DUT being repeatedly |
| suspended and resumed. |
| """ |
| version = 1 |
| DEFAULT_TESTCASE_SPEC = ('HDMI', 1920, 1080) |
| |
| # TODO: Allow reading testcase_spec from command line. |
| def run_once(self, host, test_mirrored=False, testcase_spec=None, |
| repeat_count=3, suspend_time_range=(5,7)): |
| if testcase_spec is None: |
| testcase_spec = self.DEFAULT_TESTCASE_SPEC |
| |
| test_name = "%s_%dx%d" % testcase_spec |
| _, width, height = testcase_spec |
| test_resolution = (width, height) |
| |
| if not self.is_edid_supported(*testcase_spec): |
| raise error.TestFail('Error: EDID is not supported by the platform' |
| ': %s', test_name) |
| self.apply_edid_file(os.path.join( |
| self.bindir, 'test_data', 'edids', test_name)) |
| |
| # Keep the original connector name, for later comparison. |
| expected_connector = self.get_dut_display_connector() |
| if not expected_connector: |
| raise error.TestFail('Error: Failed to see external display' |
| ' (chameleon) from DUT: %s', test_name) |
| |
| self.reconnect_output() |
| self.set_mirrored(test_mirrored) |
| logging.info('Repeat %d times Suspend and resume', repeat_count) |
| |
| while repeat_count > 0: |
| repeat_count -= 1 |
| if test_mirrored: |
| # magic sleep to make nyan_big wake up in mirrored mode |
| # TODO: find root cause |
| time.sleep(6) |
| self.suspend_resume(random.randint(*suspend_time_range)) |
| self.check_external_display_connector(expected_connector) |
| error_message = self.load_test_image_and_check( |
| test_name, test_resolution, |
| under_mirrored_mode=test_mirrored) |
| if error_message: |
| raise error.TestFail(error_message) |
| |
