1 # Copyright (c) 2018 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 from autotest_lib.client.bin import test 6 from autotest_lib.client.common_lib import error 7 from autotest_lib.client.common_lib.cros import chrome 8 from autotest_lib.client.cros import constants as cros_constants 9 from autotest_lib.client.cros.multimedia import local_facade_factory 10 11 12 class display_DisplayContainEdid(test.test): 13 """ 14 Verifies that display information returned from Chrome OS specific 15 chrome.system.display API contain EDID information. 16 """ 17 version = 1 18 19 def run_once(self): 20 with chrome.Chrome( 21 extension_paths = [cros_constants.DISPLAY_TEST_EXTENSION], 22 autotest_ext=True) as cr: 23 display_facade = local_facade_factory.LocalFacadeFactory( 24 cr).create_display_facade() 25 26 displays = display_facade.get_display_info() 27 28 if len(displays) == 0: 29 raise error.TestError('No displays connected!') 30 31 edid = displays[0].edid 32 33 no_manufacturer = edid.manufacturer_id == None 34 no_year = edid.year_of_manufacture == None 35 no_product = edid.product_id == None 36 37 if no_manufacturer or no_year or no_product: 38 raise error.TestError( 39 'Incorrect edid, manufacturer: {}, year: {}, product: {}'.format( 40 edid.manufacturer_id, 41 edid.year_of_manufacture, 42 edid.product_id)) 43
