Add new Telemetry tests to get CPU and memory usage for idle and flinging two test scenarios. Mirro…

chrome/test/media_router/telemetry/benchmarks/pagesets/media_router_perf_pages.py

+# Copyright 2016 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.
+
+from telemetry import page
+from telemetry import story
+from benchmarks.pagesets import media_router_page
+from telemetry.core import exceptions
+from telemetry.page import shared_page_state
+
+
+class SharedState(shared_page_state.SharedPageState):
+  """Shared state that restarts the browser for every single story."""
+
+  def __init__(self, test, finder_options, story_set):
+    super(SharedState, self).__init__(
+        test, finder_options, story_set)
+
+  def DidRunStory(self, results):
+    super(SharedState, self).DidRunStory(results)
+    self._StopBrowser()
+
+
+class CastDialogPage(media_router_page.CastPage):
+  """Cast page to open a cast-enabled page and open media router dialog."""
+
+  def __init__(self, page_set, url='file://basic_test.html',
+               shared_page_state_class=shared_page_state.SharedPageState):
+    super(CastDialogPage, self).__init__(
+        url=url, page_set=page_set,
+        shared_page_state_class=shared_page_state_class)
+
+  def RunPageInteractions(self, action_runner):
+     # Wait for 5s after Chrome is opened in order to get consistent results.
+    action_runner.Wait(5)
+    with action_runner.CreateInteraction('LaunchDialog'):
+      action_runner.ExecuteJavaScript('collectPerfData();')
+      self._WaitForResult(
+          action_runner,
+          lambda: action_runner.EvaluateJavaScript('initialized'),
+          'Failed to initialize')
+
+      action_runner.TapElement(selector='#start_session_button')
+      action_runner.Wait(5)
+      for tab in action_runner.tab.browser.tabs:
+        # Close media router dialog
+        if tab.url == 'chrome://media-router/':
+          self.CloseDialog(tab)
+
+
+class CastIdlePage(CastDialogPage):
+  """Cast page to open a cast-enabled page and do nothing."""
+
+  def __init__(self, page_set):
+    super(CastIdlePage, self).__init__(
+        page_set=page_set,
+        url='file://basic_test.html',
+        shared_page_state_class=SharedState)
+
+  def RunPageInteractions(self, action_runner):
+    super(CastIdlePage, self).RunPageInteractions(action_runner)
+    action_runner.Wait(15)
+
+
+class CastFlingingPage(media_router_page.CastPage):
+  """Cast page to fling a video to Chromecast device."""
+
+  def __init__(self, page_set):
+    super(CastFlingingPage, self).__init__(
+        page_set=page_set,
+        url='file://basic_test.html#flinging',
+        shared_page_state_class=SharedState)
+
+  def RunPageInteractions(self, action_runner):
+     # Wait for 5s after Chrome is opened in order to get consistent results.
+    action_runner.Wait(5)
+    with action_runner.CreateInteraction('flinging'):
+      action_runner.ExecuteJavaScript('collectPerfData();')
+
+      self._WaitForResult(
+          action_runner,
+          lambda: action_runner.EvaluateJavaScript('initialized'),
+          'Failed to initialize')
+
+      # Start session
+      action_runner.TapElement(selector='#start_session_button')
+      self._WaitForResult(
+          action_runner,
+          lambda: len(action_runner.tab.browser.tabs) >= 2,
+          'MR dialog never showed up.')
+
+      # Wait for 2s to make sure the dialog is fully loaded.
+      action_runner.Wait(2)
+      for tab in action_runner.tab.browser.tabs:
+        # Choose sink
+        if tab.url == 'chrome://media-router/':
+          self.ChooseSink(tab, self._GetDeviceName())
+
+      self._WaitForResult(
+        action_runner,
+        lambda: action_runner.EvaluateJavaScript('currentSession'),
+         'Failed to start session',
+         timeout=10)
+
+      # Load Media
+      # TODO: use local video instead of the public one.
+      self.ExecuteAsyncJavaScript(
+          action_runner,
+          'loadMedia("http://easyhtml5video.com/images/happyfit2.mp4");',
+          lambda: action_runner.EvaluateJavaScript('currentMedia'),
+          'Failed to load media')
+
+      action_runner.Wait(20)
+      # Stop session
+      self.ExecuteAsyncJavaScript(
+          action_runner,
+          'stopSession();',
+          lambda: not action_runner.EvaluateJavaScript('currentSession'),
+          'Failed to stop session')
+
+
+class MediaRouterDailogPageSet(story.StorySet):
+  """Pageset for media router dialog latency tests."""
+
+  def __init__(self):
+    super(MediaRouterDailogPageSet, self).__init__(
+        cloud_storage_bucket=story.PARTNER_BUCKET)
+    self.AddStory(CastDialogPage(self))
+
+
+class MediaRouterCPUMemoryPageSet(story.StorySet):
+  """Pageset for media router CPU/memory usage tests."""
+
+  def __init__(self):
+    super(MediaRouterCPUMemoryPageSet, self).__init__(
+        cloud_storage_bucket=story.PARTNER_BUCKET)
+    self.AddStory(CastIdlePage(self))
+    self.AddStory(CastFlingingPage(self))