1# Lint as: python2, python3
2# Copyright (c) 2018 The Chromium OS Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6from autotest_lib.client.bin import test
7from autotest_lib.client.common_lib import error
8from autotest_lib.client.common_lib.cros import chrome
9from autotest_lib.client.cros import constants as cros_constants
10from autotest_lib.client.cros.multimedia import local_facade_factory
11
12
13class display_DisplayContainEdid(test.test):
14    """
15    Verifies that display information returned from ChromeOS specific
16    chrome.system.display API contain EDID information.
17    """
18    version = 1
19
20    def run_once(self):
21        with chrome.Chrome(
22                extension_paths = [cros_constants.DISPLAY_TEST_EXTENSION],
23                autotest_ext=True) as cr:
24            display_facade = local_facade_factory.LocalFacadeFactory(
25                cr).create_display_facade()
26
27            displays = display_facade.get_display_info()
28
29            if len(displays) == 0:
30                raise error.TestError('No displays connected!')
31
32            edid = displays[0].edid
33
34            no_manufacturer = edid.manufacturer_id == None
35            no_year = edid.year_of_manufacture == None
36            no_product = edid.product_id == None
37
38            if no_manufacturer or no_year or no_product:
39                raise error.TestError(
40                    'Incorrect edid, manufacturer: {}, year: {}, product: {}'.format(
41                        edid.manufacturer_id,
42                        edid.year_of_manufacture,
43                        edid.product_id))
44