Ported GpuCrashTest to Telemetry, renaming the test to ContextLost.

content/test/gpu/gpu_tests/context_lost.py

Index: content/test/gpu/gpu_tests/context_lost.py
diff --git a/content/test/gpu/gpu_tests/context_lost.py b/content/test/gpu/gpu_tests/context_lost.py
new file mode 100644
index 0000000000000000000000000000000000000000..ad5638597e22779a0a55368ad9d95670025fd3d1
--- /dev/null
+++ b/content/test/gpu/gpu_tests/context_lost.py
@@ -0,0 +1,115 @@
+# 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 util
+from telemetry.page import page_set
+from telemetry.page import page_test
+
+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__(
+      'ValidatePage', needs_browser_restart_after_each_run=True)
+
+  def CustomizeBrowserOptions(self, options):
+    options.AppendExtraBrowserArgs(
+        '--disable-domain-blocking-for-3d-apis')
+    # Required for about:gpucrash handling from Telemetry.
+    options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
+
+  def ValidatePage(self, page, tab, results):
+    if page.kill_gpu_process:
+      if not tab.browser.supports_tab_control:
+        raise page_test.Failure('Browser must support tab control')
+      # 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.
+      new_tab.Navigate('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
+      new_tab.Close()
+      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?)')
+
+class ContextLost(test_module.Test):
+  enabled = True
+  test = _ContextLostValidator
+
+  def CreatePageSet(self, options):
+    page_set_dict = {
+      'description': 'Test cases for real and synthetic context lost events',
+      'user_agent_type': 'desktop',
+      'serving_dirs': [''],
+      'pages': [
+        {
+          'name': 'ContextLost.WebGLContextLostFromGPUProcessExit',
+          'url': 'file://webgl.html?query=kill_after_notification',
+          'script_to_evaluate_on_commit': harness_script,
+          'navigate_steps': [
+            { 'action': 'navigate' },
+            { 'action': 'wait',
+              'javascript': 'window.domAutomationController._loaded' }
+          ],
+          'kill_gpu_process': True
+        },
+        {
+          'name': 'ContextLost.WebGLContextLostFromLoseContextExtension',
+          'url': 'file://webgl.html?query=WEBGL_lose_context',
+          'script_to_evaluate_on_commit': harness_script,
+          'navigate_steps': [
+            { 'action': 'navigate' },
+            { 'action': 'wait',
+              'javascript': 'window.domAutomationController._finished' }
+          ],
+          'kill_gpu_process': False
+        },
+      ]
+    }
+    return page_set.PageSet.FromDict(page_set_dict, data_path)