tools/perf/measurements/smooth_gesture_util_unittest.py

   1 # Copyright 2014 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 time
   5 import unittest
   6
   7 from telemetry.core.platform import tracing_category_filter
   8 from telemetry.core.platform import tracing_options
   9 from telemetry import decorators
  10 from telemetry.page import page as page_module
  11 from telemetry.page import page_test
  12 from telemetry.timeline import async_slice
  13 from telemetry.timeline import model as model_module
  14 from telemetry.unittest_util import page_test_test_case
  15 from telemetry.web_perf import timeline_interaction_record as tir_module
  16
  17 from measurements import smooth_gesture_util as sg_util
  18
  19
  20 class SmoothGestureUtilTest(unittest.TestCase):
  21   def testGetAdjustedInteractionIfContainGesture(self):
  22     model = model_module.TimelineModel()
  23     renderer_main = model.GetOrCreateProcess(1).GetOrCreateThread(2)
  24     renderer_main.name = 'CrRendererMain'
  25
  26     #      [          X          ]                   [   Y  ]
  27     #      [  sub_async_slice_X  ]
  28     #          [   record_1]
  29     #          [   record_6]
  30     #  [  record_2 ]          [ record_3 ]
  31     #  [           record_4              ]
  32     #                                [ record_5 ]
  33     #
  34     # Note: X and Y are async slice with name
  35     # SyntheticGestureController::running
  36
  37     async_slice_X = async_slice.AsyncSlice(
  38       'X', 'SyntheticGestureController::running', 10, duration=20,
  39       start_thread=renderer_main, end_thread=renderer_main)
  40
  41     sub_async_slice_X = async_slice.AsyncSlice(
  42       'X', 'SyntheticGestureController::running', 10, duration=20,
  43       start_thread=renderer_main, end_thread=renderer_main)
  44     sub_async_slice_X.parent_slice = async_slice_X
  45     async_slice_X.AddSubSlice(sub_async_slice_X)
  46
  47     async_slice_Y = async_slice.AsyncSlice(
  48       'X', 'SyntheticGestureController::running', 60, duration=20,
  49       start_thread=renderer_main, end_thread=renderer_main)
  50
  51     renderer_main.AddAsyncSlice(async_slice_X)
  52     renderer_main.AddAsyncSlice(async_slice_Y)
  53
  54     model.FinalizeImport(shift_world_to_zero=False)
  55
  56     record_1 = tir_module.TimelineInteractionRecord('Gesture_included', 15, 25)
  57     record_2 = tir_module.TimelineInteractionRecord(
  58       'Gesture_overlapped_left', 5, 25)
  59     record_3 = tir_module.TimelineInteractionRecord(
  60       'Gesture_overlapped_right', 25, 35)
  61     record_4 = tir_module.TimelineInteractionRecord(
  62       'Gesture_containing', 5, 35)
  63     record_5 = tir_module.TimelineInteractionRecord(
  64       'Gesture_non_overlapped', 35, 45)
  65     record_6 = tir_module.TimelineInteractionRecord('Action_included', 15, 25)
  66
  67     adjusted_record_1 = sg_util.GetAdjustedInteractionIfContainGesture(
  68       model, record_1)
  69     self.assertEquals(adjusted_record_1.start, 10)
  70     self.assertEquals(adjusted_record_1.end, 30)
  71     self.assertTrue(adjusted_record_1 is not record_1)
  72
  73     adjusted_record_2 = sg_util.GetAdjustedInteractionIfContainGesture(
  74       model, record_2)
  75     self.assertEquals(adjusted_record_2.start, 10)
  76     self.assertEquals(adjusted_record_2.end, 30)
  77
  78     adjusted_record_3 = sg_util.GetAdjustedInteractionIfContainGesture(
  79       model, record_3)
  80     self.assertEquals(adjusted_record_3.start, 10)
  81     self.assertEquals(adjusted_record_3.end, 30)
  82
  83     adjusted_record_4 = sg_util.GetAdjustedInteractionIfContainGesture(
  84       model, record_4)
  85     self.assertEquals(adjusted_record_4.start, 10)
  86     self.assertEquals(adjusted_record_4.end, 30)
  87
  88     adjusted_record_5 = sg_util.GetAdjustedInteractionIfContainGesture(
  89       model, record_5)
  90     self.assertEquals(adjusted_record_5.start, 35)
  91     self.assertEquals(adjusted_record_5.end, 45)
  92     self.assertTrue(adjusted_record_5 is not record_5)
  93
  94     adjusted_record_6 = sg_util.GetAdjustedInteractionIfContainGesture(
  95       model, record_6)
  96     self.assertEquals(adjusted_record_6.start, 15)
  97     self.assertEquals(adjusted_record_6.end, 25)
  98     self.assertTrue(adjusted_record_6 is not record_6)
  99
 100
 101 class ScrollingPage(page_module.Page):
 102   def __init__(self, url, page_set, base_dir):
 103     super(ScrollingPage, self).__init__(url, page_set, base_dir)
 104
 105   def RunPageInteractions(self, action_runner):
 106     interaction = action_runner.BeginGestureInteraction(
 107         'ScrollAction')
 108     # Add 0.5s gap between when Gesture records are issued to when we actually
 109     # scroll the page.
 110     time.sleep(0.5)
 111     action_runner.ScrollPage()
 112     time.sleep(0.5)
 113     interaction.End()
 114
 115
 116 class SmoothGestureTest(page_test_test_case.PageTestTestCase):
 117   @decorators.Disabled('mac')  # crbug.com/450171.
 118   def testSmoothGestureAdjusted(self):
 119     ps = self.CreateEmptyPageSet()
 120     ps.AddUserStory(ScrollingPage(
 121       'file://scrollable_page.html', ps, base_dir=ps.base_dir))
 122     models = []
 123     tab_ids = []
 124     class ScrollingGestureTestMeasurement(page_test.PageTest):
 125       def __init__(self):
 126         # pylint: disable=bad-super-call
 127         super(ScrollingGestureTestMeasurement, self).__init__()
 128
 129       def WillRunActions(self, _page, tab):
 130         options = tracing_options.TracingOptions()
 131         options.enable_chrome_trace = True
 132         tab.browser.platform.tracing_controller.Start(
 133           options, tracing_category_filter.TracingCategoryFilter())
 134
 135       def DidRunActions(self, _page, tab):
 136         models.append(model_module.TimelineModel(
 137           tab.browser.platform.tracing_controller.Stop()))
 138         tab_ids.append(tab.id)
 139
 140       def ValidateAndMeasurePage(self, _page, _tab, _results):
 141          pass
 142
 143     self.RunMeasurement(ScrollingGestureTestMeasurement(), ps)
 144     timeline_model = models[0]
 145     renderer_thread = timeline_model.GetRendererThreadFromTabId(
 146         tab_ids[0])
 147     smooth_record = None
 148     for e in renderer_thread.async_slices:
 149       if tir_module.IsTimelineInteractionRecord(e.name):
 150         smooth_record = tir_module.TimelineInteractionRecord.FromAsyncEvent(e)
 151     self.assertIsNotNone(smooth_record)
 152     adjusted_smooth_gesture = (
 153       sg_util.GetAdjustedInteractionIfContainGesture(
 154         timeline_model, smooth_record))
 155     # Test that the scroll gesture starts at at least 500ms after the start of
 156     # the interaction record and ends at at least 500ms before the end of
 157     # interaction record.
 158     self.assertLessEqual(
 159       500, adjusted_smooth_gesture.start - smooth_record.start)
 160     self.assertLessEqual(
 161       500, smooth_record.end - adjusted_smooth_gesture.end)