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|
# Copyright (c) 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
from telemetry import test as test_module
from telemetry.core import exceptions
from telemetry.core import util
from telemetry.page import page
from telemetry.page import page_set
# pylint: disable=W0401,W0614
from telemetry.page import page_test
from telemetry.page.actions.all_page_actions import *
data_path = os.path.join(
util.GetChromiumSrcDir(), 'content', 'test', 'data', 'gpu')
wait_timeout = 20 # seconds
harness_script = r"""
var domAutomationController = {};
domAutomationController._loaded = false;
domAutomationController._succeeded = false;
domAutomationController._finished = false;
domAutomationController.setAutomationId = function(id) {}
domAutomationController.send = function(msg) {
msg = msg.toLowerCase()
if (msg == "loaded") {
domAutomationController._loaded = true;
} else if (msg == "success") {
domAutomationController._succeeded = true;
domAutomationController._finished = true;
} else {
domAutomationController._succeeded = false;
domAutomationController._finished = true;
}
}
window.domAutomationController = domAutomationController;
console.log("Harness injected.");
"""
class _ContextLostValidator(page_test.PageTest):
def __init__(self):
# Strictly speaking this test doesn't yet need a browser restart
# after each run, but if more tests are added which crash the GPU
# process, then it will.
super(_ContextLostValidator, self).__init__(
needs_browser_restart_after_each_page=True)
def CustomizeBrowserOptions(self, options):
options.AppendExtraBrowserArgs(
'--disable-domain-blocking-for-3d-apis')
options.AppendExtraBrowserArgs(
'--disable-gpu-process-crash-limit')
# Required for about:gpucrash handling from Telemetry.
options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
def ValidatePage(self, page, tab, results):
if page.kill_gpu_process:
# Doing the GPU process kill operation cooperatively -- in the
# same page's context -- is much more stressful than restarting
# the browser every time.
for x in range(page.number_of_gpu_process_kills):
if not tab.browser.supports_tab_control:
raise page_test.Failure('Browser must support tab control')
# Reset the test's state.
tab.EvaluateJavaScript(
'window.domAutomationController._succeeded = false');
tab.EvaluateJavaScript(
'window.domAutomationController._finished = false');
# Crash the GPU process.
new_tab = tab.browser.tabs.New()
# To access these debug URLs from Telemetry, they have to be
# written using the chrome:// scheme.
# The try/except is a workaround for crbug.com/368107.
try:
new_tab.Navigate('chrome://gpucrash')
except (exceptions.TabCrashException, Exception):
print 'Tab crashed while navigating to chrome://gpucrash'
# Activate the original tab and wait for completion.
tab.Activate()
completed = False
try:
util.WaitFor(lambda: tab.EvaluateJavaScript(
'window.domAutomationController._finished'), wait_timeout)
completed = True
except util.TimeoutException:
pass
# The try/except is a workaround for crbug.com/368107.
try:
new_tab.Close()
except (exceptions.TabCrashException, Exception):
print 'Tab crashed while closing chrome://gpucrash'
if not completed:
raise page_test.Failure(
'Test didn\'t complete (no context lost event?)')
if not tab.EvaluateJavaScript(
'window.domAutomationController._succeeded'):
raise page_test.Failure(
'Test failed (context not restored properly?)')
elif page.force_garbage_collection:
# Try to corce GC to clean up any contexts not attached to the page.
# This method seem unreliable, so the page will also attempt to force
# GC through excessive allocations.
tab.CollectGarbage()
completed = False
try:
print "Waiting for page to finish."
util.WaitFor(lambda: tab.EvaluateJavaScript(
'window.domAutomationController._finished'), wait_timeout)
completed = True
except util.TimeoutException:
pass
if not completed:
raise page_test.Failure(
'Test didn\'t complete (no context restored event?)')
if not tab.EvaluateJavaScript(
'window.domAutomationController._succeeded'):
raise page_test.Failure(
'Test failed (context not restored properly?)')
class WebGLContextLostFromGPUProcessExitPage(page.Page):
def __init__(self, page_set, base_dir):
super(WebGLContextLostFromGPUProcessExitPage, self).__init__(
url='file://webgl.html?query=kill_after_notification',
page_set=page_set,
base_dir=base_dir,
name='ContextLost.WebGLContextLostFromGPUProcessExit')
self.script_to_evaluate_on_commit = harness_script
self.kill_gpu_process = True
self.number_of_gpu_process_kills = 1
self.force_garbage_collection = False
def RunNavigateSteps(self, action_runner):
action_runner.NavigateToPage(self)
action_runner.WaitForJavaScriptCondition(
'window.domAutomationController._loaded')
class WebGLContextLostFromLoseContextExtensionPage(page.Page):
def __init__(self, page_set, base_dir):
super(WebGLContextLostFromLoseContextExtensionPage, self).__init__(
url='file://webgl.html?query=WEBGL_lose_context',
page_set=page_set,
base_dir=base_dir,
name='ContextLost.WebGLContextLostFromLoseContextExtension')
self.script_to_evaluate_on_commit = harness_script
self.kill_gpu_process = False
self.force_garbage_collection = False
def RunNavigateSteps(self, action_runner):
action_runner.NavigateToPage(self)
action_runner.WaitForJavaScriptCondition(
'window.domAutomationController._finished')
class WebGLContextLostFromQuantityPage(page.Page):
def __init__(self, page_set, base_dir):
super(WebGLContextLostFromQuantityPage, self).__init__(
url='file://webgl.html?query=forced_quantity_loss',
page_set=page_set,
base_dir=base_dir,
name='ContextLost.WebGLContextLostFromQuantity')
self.script_to_evaluate_on_commit = harness_script
self.kill_gpu_process = False
self.force_garbage_collection = True
def RunNavigateSteps(self, action_runner):
action_runner.NavigateToPage(self)
action_runner.WaitForJavaScriptCondition(
'window.domAutomationController._loaded')
class ContextLost(test_module.Test):
enabled = True
test = _ContextLostValidator
# For the record, this would have been another way to get the pages
# to repeat. pageset_repeat would be another option.
# options = {'page_repeat': 5}
def CreatePageSet(self, options):
ps = page_set.PageSet(
file_path=data_path,
user_agent_type='desktop',
serving_dirs=set(['']))
ps.AddPage(WebGLContextLostFromGPUProcessExitPage(ps, ps.base_dir))
ps.AddPage(WebGLContextLostFromLoseContextExtensionPage(ps, ps.base_dir))
ps.AddPage(WebGLContextLostFromQuantityPage(ps, ps.base_dir))
return ps
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