53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
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# Copyright (c) 2011 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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"""Command for measuring how long pages take to load in a browser.
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Prerequisites:
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1. The command_line package from tools/site_compare
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2. Either the IE BHO or Firefox extension (or both)
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Installation:
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1. Build the IE BHO, or call regsvr32 on a prebuilt binary
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2. Add a file called "measurepageloadtimeextension@google.com" to
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the default Firefox profile directory under extensions, containing
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the path to the Firefox extension root
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Invoke with the command line arguments as documented within
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the command line.
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"""
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import command_line
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import win32process
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from drivers import windowing
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from utils import browser_iterate
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def CreateCommand(cmdline):
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"""Inserts the command and arguments into a command line for parsing."""
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cmd = cmdline.AddCommand(
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["measure"],
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"Measures how long a series of URLs takes to load in one or more browsers.",
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None,
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ExecuteMeasure)
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browser_iterate.SetupIterationCommandLine(cmd)
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cmd.AddArgument(
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["-log", "--logfile"], "File to write output", type="string", required=True)
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def ExecuteMeasure(command):
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"""Executes the Measure command."""
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def LogResult(url, proc, wnd, result):
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"""Write the result of the browse to the log file."""
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log_file.write(result)
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log_file = open(command["--logfile"], "w")
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browser_iterate.Iterate(command, LogResult)
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# Close the log file and return. We're done.
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log_file.close()
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