105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
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# Copyright (c) 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""This measurement runs a blink performance test and reports the results."""
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import os
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import sys
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from telemetry.core import util
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from telemetry.page import page_measurement
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from telemetry.page import page_set
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def CreatePageSetFromPath(path):
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assert os.path.exists(path)
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page_set_dict = {'pages': []}
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def _AddPage(path):
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if not path.endswith('.html'):
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return
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if '../' in open(path, 'r').read():
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# If the page looks like it references its parent dir, include it.
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page_set_dict['serving_dirs'] = [os.path.dirname(os.path.dirname(path))]
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page_set_dict['pages'].append({'url':
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'file://' + path.replace('\\', '/')})
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def _AddDir(dir_path, skipped):
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for candidate_path in os.listdir(dir_path):
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if candidate_path == 'resources':
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continue
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candidate_path = os.path.join(dir_path, candidate_path)
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if candidate_path.startswith(tuple([os.path.join(path, s)
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for s in skipped])):
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continue
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if os.path.isdir(candidate_path):
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_AddDir(candidate_path, skipped)
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else:
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_AddPage(candidate_path)
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if os.path.isdir(path):
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skipped = []
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skipped_file = os.path.join(path, 'Skipped')
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if os.path.exists(skipped_file):
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for line in open(skipped_file, 'r').readlines():
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line = line.strip()
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if line and not line.startswith('#'):
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skipped.append(line.replace('/', os.sep))
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_AddDir(path, skipped)
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else:
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_AddPage(path)
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return page_set.PageSet.FromDict(page_set_dict, os.getcwd() + os.sep)
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class BlinkPerf(page_measurement.PageMeasurement):
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def __init__(self):
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super(BlinkPerf, self).__init__('')
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with open(os.path.join(os.path.dirname(__file__),
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'blink_perf.js'), 'r') as f:
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self._blink_perf_js = f.read()
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def CreatePageSet(self, args, options):
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if len(args) < 2:
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print 'Must specify a file or directory to run.'
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sys.exit(1)
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page_set_arg = args[1]
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if not os.path.exists(page_set_arg):
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print '%s does not exist.' % page_set_arg
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sys.exit(1)
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return CreatePageSetFromPath(page_set_arg)
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@property
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def results_are_the_same_on_every_page(self):
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return False
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def WillNavigateToPage(self, page, tab):
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page.script_to_evaluate_on_commit = self._blink_perf_js
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def CustomizeBrowserOptions(self, options):
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options.AppendExtraBrowserArg('--js-flags=--expose_gc')
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options.AppendExtraBrowserArg('--enable-experimental-web-platform-features')
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def MeasurePage(self, page, tab, results):
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def _IsDone():
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return tab.EvaluateJavaScript('testRunner.isDone')
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util.WaitFor(_IsDone, 600)
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log = tab.EvaluateJavaScript('document.getElementById("log").innerHTML')
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for line in log.splitlines():
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if not line.startswith('values '):
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continue
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parts = line.split()
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values = [float(v.replace(',', '')) for v in parts[1:-1]]
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units = parts[-1]
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metric = page.display_url.split('.')[0].replace('/', '_')
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results.Add(metric, units, values)
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break
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print log
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