1 # Copyright 2013 The Chromium 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 import hardware_accelerated_feature_expectations as expectations
6 from telemetry import test
7 from telemetry.page import page as page_module
8 from telemetry.page import page_set
9 from telemetry.page import page_test
11 test_harness_script = r"""
12 function VerifyHardwareAccelerated(feature) {
14 var list = document.querySelector('.feature-status-list');
15 for (var i=0; i < list.childElementCount; i++) {
16 var span_list = list.children[i].getElementsByTagName('span');
17 var feature_str = span_list[0].textContent;
18 var value_str = span_list[1].textContent;
19 if ((feature_str == feature) &&
20 (value_str == 'Hardware accelerated')) {
28 class _HardwareAcceleratedFeatureValidator(page_test.PageTest):
29 def ValidatePage(self, page, tab, results):
30 feature = page.feature
31 if not tab.EvaluateJavaScript('VerifyHardwareAccelerated("%s")' % feature):
32 raise page_test.Failure('%s not hardware accelerated' % feature)
34 def safe_feature_name(feature):
35 return feature.lower().replace(' ', '_')
37 class ChromeGpuPage(page_module.Page):
38 def __init__(self, page_set, feature):
39 super(ChromeGpuPage, self).__init__(
40 url='chrome://gpu', page_set=page_set, base_dir=page_set.base_dir,
41 name=('HardwareAcceleratedFeature.%s_accelerated' %
42 safe_feature_name(feature)))
43 self.feature = feature
44 self.script_to_evaluate_on_commit = test_harness_script
46 class HardwareAcceleratedFeature(test.Test):
47 """Tests GPU acceleration is reported as active for various features"""
48 test = _HardwareAcceleratedFeatureValidator
50 def CreateExpectations(self, page_set):
51 return expectations.HardwareAcceleratedFeatureExpectations()
53 def CreatePageSet(self, options):
54 features = ['WebGL', 'Canvas']
56 ps = page_set.PageSet(user_agent_type='desktop', file_path='')
58 for feature in features:
59 ps.AddPage(ChromeGpuPage(page_set=ps, feature=feature))