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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
5"""Runs Chromium's IndexedDB performance test. These test:
6
7Databases:
8  create/delete
9Keys:
10  create/delete
11Indexes:
12  create/delete
13Data access:
14  Random read/write
15  Read cache
16Cursors:
17  Read & random writes
18  Walking multiple
19  Seeking.
20"""
21
22import json
23import os
24
25from metrics import memory
26from metrics import power
27from metrics import v8_object_stats
28from telemetry import test
29from telemetry.core import util
30from telemetry.page import page_measurement
31from telemetry.page import page_set
32
33_V8_COUNTER_NAMES = [
34    'V8.OsMemoryAllocated',
35  ]
36
37class _IndexedDbMeasurement(page_measurement.PageMeasurement):
38  def __init__(self, *args, **kwargs):
39    super(_IndexedDbMeasurement, self).__init__(*args, **kwargs)
40    self._memory_metric = None
41    self._power_metric = power.PowerMetric()
42    self._v8_object_stats_metric = None
43
44  def DidStartBrowser(self, browser):
45    """Initialize metrics once right after the browser has been launched."""
46    self._memory_metric = memory.MemoryMetric(browser)
47    self._v8_object_stats_metric = (
48      v8_object_stats.V8ObjectStatsMetric(_V8_COUNTER_NAMES))
49
50  def DidNavigateToPage(self, page, tab):
51    self._memory_metric.Start(page, tab)
52    self._power_metric.Start(page, tab)
53    self._v8_object_stats_metric.Start(page, tab)
54
55  def MeasurePage(self, page, tab, results):
56    tab.WaitForDocumentReadyStateToBeComplete()
57    tab.WaitForJavaScriptExpression(
58        'window.document.cookie.indexOf("__done=1") >= 0', 600)
59
60    self._power_metric.Stop(page, tab)
61    self._memory_metric.Stop(page, tab)
62    self._v8_object_stats_metric.Stop(page, tab)
63
64    self._memory_metric.AddResults(tab, results)
65    self._power_metric.AddResults(tab, results)
66    self._v8_object_stats_metric.AddResults(tab, results)
67
68    js_get_results = "JSON.stringify(automation.getResults());"
69    result_dict = json.loads(tab.EvaluateJavaScript(js_get_results))
70    total = 0.0
71    for key in result_dict:
72      if key == 'OverallTestDuration':
73        continue
74      msec = float(result_dict[key])
75      results.Add(key, 'ms', msec, data_type='unimportant')
76      total += msec
77    results.Add('Total Perf', 'ms', total)
78
79  def CustomizeBrowserOptions(self, options):
80    memory.MemoryMetric.CustomizeBrowserOptions(options)
81    power.PowerMetric.CustomizeBrowserOptions(options)
82    v8_object_stats.V8ObjectStatsMetric.CustomizeBrowserOptions(options)
83
84class IndexedDb(test.Test):
85  """Chromium's IndexedDB Performance tests."""
86  test = _IndexedDbMeasurement
87
88  def CreatePageSet(self, options):
89    indexeddb_dir = os.path.join(util.GetChromiumSrcDir(), 'chrome', 'test',
90                                 'data', 'indexeddb')
91    ps = page_set.PageSet(file_path=indexeddb_dir)
92    ps.AddPageWithDefaultRunNavigate('file://perf_test.html')
93    return ps
94