Esempio n. 1
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    def __init__(self, running_port, platform, options):
        self._platform = platform
        self._options = options
        # This is the port that the script is running on.
        self._port = running_port
        # This is the port that the rebaselining tool creates new baselines for.
        self._rebaseline_port = port.get(
            self._port.test_platform_name_to_name(platform), options)
        self._rebaselining_tests = []
        self._rebaselined_tests = []

        # Create tests and expectations helper which is used to:
        #   -. compile list of tests that need rebaselining.
        #   -. update the tests in test_expectations file after rebaseline
        #      is done.
        expectations_str = self._rebaseline_port.test_expectations()
        self._test_expectations = \
            test_expectations.TestExpectations(self._rebaseline_port,
                                               None,
                                               expectations_str,
                                               self._platform,
                                               False,
                                               False)

        self._repo_type = self._get_repo_type()
Esempio n. 2
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    def __init__(self, running_port, target_port, platform, options):
        """
        Args:
            running_port: the Port the script is running on.
            target_port: the Port the script uses to find port-specific
                configuration information like the test_expectations.txt
                file location and the list of test platforms.
            platform: the test platform to rebaseline
            options: the command-line options object."""
        self._platform = platform
        self._options = options
        self._port = running_port
        self._target_port = target_port
        self._rebaseline_port = port.get(self._target_port.test_platform_name_to_name(platform), options)
        self._rebaselining_tests = []
        self._rebaselined_tests = []

        # Create tests and expectations helper which is used to:
        #   -. compile list of tests that need rebaselining.
        #   -. update the tests in test_expectations file after rebaseline
        #      is done.
        expectations_str = self._rebaseline_port.test_expectations()
        self._test_expectations = test_expectations.TestExpectations(
            self._rebaseline_port, None, expectations_str, self._platform, False, False
        )
        self._scm = scm.default_scm()
    def __init__(self, running_port, target_port, platform, options):
        """
        Args:
            running_port: the Port the script is running on.
            target_port: the Port the script uses to find port-specific
                configuration information like the test_expectations.txt
                file location and the list of test platforms.
            platform: the test platform to rebaseline
            options: the command-line options object."""
        self._platform = platform
        self._options = options
        self._port = running_port
        self._target_port = target_port
        self._rebaseline_port = port.get(
            self._target_port.test_platform_name_to_name(platform), options)
        self._rebaselining_tests = []
        self._rebaselined_tests = []

        # Create tests and expectations helper which is used to:
        #   -. compile list of tests that need rebaselining.
        #   -. update the tests in test_expectations file after rebaseline
        #      is done.
        expectations_str = self._rebaseline_port.test_expectations()
        self._test_expectations = \
            test_expectations.TestExpectations(self._rebaseline_port,
                                               None,
                                               expectations_str,
                                               self._platform,
                                               False,
                                               False)
        self._scm = scm.default_scm()
Esempio n. 4
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def get_host_port_object(options):
    """Return a port object for the platform we're running on."""
    # The only thing we really need on the host is a way to diff
    # text files and image files, which means we need to check that some
    # version of ImageDiff has been built. We will look for either Debug
    # or Release versions of the default port on the platform.
    options.configuration = "Release"
    port_obj = port.get(None, options)
    if not port_obj.check_image_diff(override_step=None, logging=False):
        _log.debug("No release version of the image diff binary was found.")
        options.configuration = "Debug"
        port_obj = port.get(None, options)
        if not port_obj.check_image_diff(override_step=None, logging=False):
            _log.error("No version of image diff was found. Check your build.")
            return None
        else:
            _log.debug("Found the debug version of the image diff binary.")
    else:
        _log.debug("Found the release version of the image diff binary.")
    return port_obj
def get_host_port_object(options):
    """Return a port object for the platform we're running on."""
    # The only thing we really need on the host is a way to diff
    # text files and image files, which means we need to check that some
    # version of ImageDiff has been built. We will look for either Debug
    # or Release versions of the default port on the platform.
    options.configuration = "Release"
    port_obj = port.get(None, options)
    if not port_obj.check_image_diff(override_step=None, logging=False):
        _log.debug('No release version of the image diff binary was found.')
        options.configuration = "Debug"
        port_obj = port.get(None, options)
        if not port_obj.check_image_diff(override_step=None, logging=False):
            _log.error('No version of image diff was found. Check your build.')
            return None
        else:
            _log.debug('Found the debug version of the image diff binary.')
    else:
        _log.debug('Found the release version of the image diff binary.')
    return port_obj
Esempio n. 6
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def main(executive=Executive()):
    """Main function to produce new baselines."""

    option_parser = optparse.OptionParser()
    option_parser.add_option("-v", "--verbose", action="store_true", default=False, help="include debug-level logging.")

    option_parser.add_option("-q", "--quiet", action="store_true", help="Suppress result HTML viewing")

    option_parser.add_option(
        "-p",
        "--platforms",
        default="mac,win,win-xp,win-vista,linux",
        help=("Comma delimited list of platforms " "that need rebaselining."),
    )

    option_parser.add_option(
        "-u",
        "--archive_url",
        default=("http://build.chromium.org/buildbot/" "layout_test_results"),
        help=("Url to find the layout test result archive" " file."),
    )
    option_parser.add_option(
        "-U", "--force_archive_url", help=("Url of result zip file. This option is for debugging " "purposes")
    )

    option_parser.add_option(
        "-w",
        "--webkit_canary",
        action="store_true",
        default=False,
        help=("If True, pull baselines from webkit.org " "canary bot."),
    )

    option_parser.add_option(
        "-b",
        "--backup",
        action="store_true",
        default=False,
        help=("Whether or not to backup the original test" " expectations file after rebaseline."),
    )

    option_parser.add_option(
        "-d",
        "--html_directory",
        default="",
        help=("The directory that stores the results for " "rebaselining comparison."),
    )

    option_parser.add_option(
        "",
        "--use_drt",
        action="store_true",
        default=False,
        help=("Use ImageDiff from DumpRenderTree instead " "of image_diff for pixel tests."),
    )

    option_parser.add_option(
        "",
        "--target-platform",
        default="chromium",
        help=("The target platform to rebaseline " '("mac", "chromium", "qt", etc.). Defaults ' 'to "chromium".'),
    )
    options = option_parser.parse_args()[0]

    # We need to create three different Port objects over the life of this
    # script. |target_port_obj| is used to determine configuration information:
    # location of the expectations file, names of ports to rebaseline, etc.
    # |port_obj| is used for runtime functionality like actually diffing
    # Then we create a rebaselining port to actual find and manage the
    # baselines.
    target_options = copy.copy(options)
    if options.target_platform == "chromium":
        target_options.chromium = True
    target_port_obj = port.get(None, target_options)

    # Set up our logging format.
    log_level = logging.INFO
    if options.verbose:
        log_level = logging.DEBUG
    logging.basicConfig(
        level=log_level,
        format=("%(asctime)s %(filename)s:%(lineno)-3d " "%(levelname)s %(message)s"),
        datefmt="%y%m%d %H:%M:%S",
    )

    host_port_obj = get_host_port_object(options)
    if not host_port_obj:
        sys.exit(1)

    # Verify 'platforms' option is valid.
    if not options.platforms:
        _log.error('Invalid "platforms" option. --platforms must be ' "specified in order to rebaseline.")
        sys.exit(1)
    platforms = [p.strip().lower() for p in options.platforms.split(",")]
    for platform in platforms:
        if not platform in REBASELINE_PLATFORM_ORDER:
            _log.error('Invalid platform: "%s"' % (platform))
            sys.exit(1)

    # Adjust the platform order so rebaseline tool is running at the order of
    # 'mac', 'win' and 'linux'. This is in same order with layout test baseline
    # search paths. It simplifies how the rebaseline tool detects duplicate
    # baselines. Check _IsDupBaseline method for details.
    rebaseline_platforms = []
    for platform in REBASELINE_PLATFORM_ORDER:
        if platform in platforms:
            rebaseline_platforms.append(platform)

    options.html_directory = setup_html_directory(options.html_directory)

    rebaselining_tests = set()
    backup = options.backup
    for platform in rebaseline_platforms:
        rebaseliner = Rebaseliner(host_port_obj, target_port_obj, platform, options)

        _log.info("")
        log_dashed_string("Rebaseline started", platform)
        if rebaseliner.run(backup):
            # Only need to backup one original copy of test expectation file.
            backup = False
            log_dashed_string("Rebaseline done", platform)
        else:
            log_dashed_string("Rebaseline failed", platform, logging.ERROR)

        rebaselining_tests |= set(rebaseliner.get_rebaselining_tests())

    _log.info("")
    log_dashed_string("Rebaselining result comparison started", None)
    html_generator = HtmlGenerator(
        target_port_obj, options, rebaseline_platforms, rebaselining_tests, executive=executive
    )
    html_generator.generate_html()
    if not options.quiet:
        html_generator.show_html()
    log_dashed_string("Rebaselining result comparison done", None)

    sys.exit(0)
Esempio n. 7
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def main():
    options, args = parse_args()
    port_obj = port.get(options.platform, options)
    return run(port_obj, options, args)
def main():
    """Main function to produce new baselines."""

    option_parser = optparse.OptionParser()
    option_parser.add_option('-v', '--verbose',
                             action='store_true',
                             default=False,
                             help='include debug-level logging.')

    option_parser.add_option('-p', '--platforms',
                             default='mac,win,win-xp,win-vista,linux',
                             help=('Comma delimited list of platforms '
                                   'that need rebaselining.'))

    option_parser.add_option('-u', '--archive_url',
                             default=('http://build.chromium.org/buildbot/'
                                      'layout_test_results'),
                             help=('Url to find the layout test result archive'
                                   ' file.'))

    option_parser.add_option('-w', '--webkit_canary',
                             action='store_true',
                             default=False,
                             help=('If True, pull baselines from webkit.org '
                                   'canary bot.'))

    option_parser.add_option('-b', '--backup',
                             action='store_true',
                             default=False,
                             help=('Whether or not to backup the original test'
                                   ' expectations file after rebaseline.'))

    option_parser.add_option('-d', '--html_directory',
                             default='',
                             help=('The directory that stores the results for'
                                   ' rebaselining comparison.'))

    option_parser.add_option('', '--target-platform',
                             default='chromium',
                             help=('The target platform to rebaseline '
                                   '("mac", "chromium", "qt", etc.). Defaults '
                                   'to "chromium".'))
    options = option_parser.parse_args()[0]

    # We need to create three different Port objects over the life of this
    # script. |target_port_obj| is used to determine configuration information:
    # location of the expectations file, names of ports to rebaseline, etc.
    # |port_obj| is used for runtime functionality like actually diffing
    # Then we create a rebaselining port to actual find and manage the
    # baselines.
    target_options = copy.copy(options)
    if options.target_platform == 'chromium':
        target_options.chromium = True
    target_port_obj = port.get(None, target_options)

    # Set up our logging format.
    log_level = logging.INFO
    if options.verbose:
        log_level = logging.DEBUG
    logging.basicConfig(level=log_level,
                        format=('%(asctime)s %(filename)s:%(lineno)-3d '
                                '%(levelname)s %(message)s'),
                        datefmt='%y%m%d %H:%M:%S')

    host_port_obj = get_host_port_object(options)
    if not host_port_obj:
        sys.exit(1)

    # Verify 'platforms' option is valid.
    if not options.platforms:
        _log.error('Invalid "platforms" option. --platforms must be '
                   'specified in order to rebaseline.')
        sys.exit(1)
    platforms = [p.strip().lower() for p in options.platforms.split(',')]
    for platform in platforms:
        if not platform in REBASELINE_PLATFORM_ORDER:
            _log.error('Invalid platform: "%s"' % (platform))
            sys.exit(1)

    # Adjust the platform order so rebaseline tool is running at the order of
    # 'mac', 'win' and 'linux'. This is in same order with layout test baseline
    # search paths. It simplifies how the rebaseline tool detects duplicate
    # baselines. Check _IsDupBaseline method for details.
    rebaseline_platforms = []
    for platform in REBASELINE_PLATFORM_ORDER:
        if platform in platforms:
            rebaseline_platforms.append(platform)

    options.html_directory = setup_html_directory(options.html_directory)

    rebaselining_tests = set()
    backup = options.backup
    for platform in rebaseline_platforms:
        rebaseliner = Rebaseliner(host_port_obj, target_port_obj,
                                  platform, options)

        _log.info('')
        log_dashed_string('Rebaseline started', platform)
        if rebaseliner.run(backup):
            # Only need to backup one original copy of test expectation file.
            backup = False
            log_dashed_string('Rebaseline done', platform)
        else:
            log_dashed_string('Rebaseline failed', platform, logging.ERROR)

        rebaselining_tests |= set(rebaseliner.get_rebaselining_tests())

    _log.info('')
    log_dashed_string('Rebaselining result comparison started', None)
    html_generator = HtmlGenerator(target_port_obj,
                                   options,
                                   rebaseline_platforms,
                                   rebaselining_tests)
    html_generator.generate_html()
    html_generator.show_html()
    log_dashed_string('Rebaselining result comparison done', None)

    sys.exit(0)
Esempio n. 9
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 def __init__(self, testFunc, setUp=None, tearDown=None, description=None):
     self._port = port.get('test', None)
     self._exp = None
     unittest.TestCase.__init__(self, testFunc)
Esempio n. 10
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def main():
    options, args = parse_args()
    port_obj = port.get(options.platform, options)
    return run(port_obj, options, args)
Esempio n. 11
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def main():
    """Main function to produce new baselines."""

    option_parser = optparse.OptionParser()
    option_parser.add_option('-v', '--verbose',
                             action='store_true',
                             default=False,
                             help='include debug-level logging.')

    option_parser.add_option('-p', '--platforms',
                             default='mac,win,win-xp,win-vista,linux',
                             help=('Comma delimited list of platforms '
                                   'that need rebaselining.'))

    option_parser.add_option('-u', '--archive_url',
                             default=('http://build.chromium.org/buildbot/'
                                      'layout_test_results'),
                             help=('Url to find the layout test result archive'
                                   ' file.'))

    option_parser.add_option('-w', '--webkit_canary',
                             action='store_true',
                             default=False,
                             help=('If True, pull baselines from webkit.org '
                                   'canary bot.'))

    option_parser.add_option('-b', '--backup',
                             action='store_true',
                             default=False,
                             help=('Whether or not to backup the original test'
                                   ' expectations file after rebaseline.'))

    option_parser.add_option('-d', '--html_directory',
                             default='',
                             help=('The directory that stores the results for'
                                   ' rebaselining comparison.'))

    options = option_parser.parse_args()[0]

    # FIXME: Setting options.chromium to True forces port.get() to only look
    # at Chromium ports; we hard-code this because this script doesn't work
    # on non-Chromium ports yet. We should fix that.
    options.chromium = True
    port_obj = port.get(None, options)

    # Set up our logging format.
    log_level = logging.INFO
    if options.verbose:
        log_level = logging.DEBUG
    logging.basicConfig(level=log_level,
                        format=('%(asctime)s %(filename)s:%(lineno)-3d '
                                '%(levelname)s %(message)s'),
                        datefmt='%y%m%d %H:%M:%S')

    # Verify 'platforms' option is valid
    if not options.platforms:
        _log.error('Invalid "platforms" option. --platforms must be '
                   'specified in order to rebaseline.')
        sys.exit(1)
    platforms = [p.strip().lower() for p in options.platforms.split(',')]
    for platform in platforms:
        if not platform in REBASELINE_PLATFORM_ORDER:
            _log.error('Invalid platform: "%s"' % (platform))
            sys.exit(1)

    # Adjust the platform order so rebaseline tool is running at the order of
    # 'mac', 'win' and 'linux'. This is in same order with layout test baseline
    # search paths. It simplifies how the rebaseline tool detects duplicate
    # baselines. Check _IsDupBaseline method for details.
    rebaseline_platforms = []
    for platform in REBASELINE_PLATFORM_ORDER:
        if platform in platforms:
            rebaseline_platforms.append(platform)

    options.html_directory = setup_html_directory(options.html_directory)

    rebaselining_tests = set()
    backup = options.backup
    for platform in rebaseline_platforms:
        rebaseliner = Rebaseliner(port_obj, platform, options)

        _log.info('')
        log_dashed_string('Rebaseline started', platform)
        if rebaseliner.run(backup):
            # Only need to backup one original copy of test expectation file.
            backup = False
            log_dashed_string('Rebaseline done', platform)
        else:
            log_dashed_string('Rebaseline failed', platform, logging.ERROR)

        rebaselining_tests |= set(rebaseliner.get_rebaselining_tests())

    _log.info('')
    log_dashed_string('Rebaselining result comparison started', None)
    html_generator = HtmlGenerator(port_obj,
                                   options,
                                   rebaseline_platforms,
                                   rebaselining_tests)
    html_generator.generate_html()
    html_generator.show_html()
    log_dashed_string('Rebaselining result comparison done', None)

    sys.exit(0)
Esempio n. 12
0
        ),
        optparse.make_option(
            "--release",
            action="store_const",
            const="Release",
            dest="configuration",
            help="Set the configuration to Release",
        ),
    ]
    misc_options = [
        optparse.make_option(
            "-p",
            "--platform",
            action="store",
            default="mac",
            help='Platform to test (e.g., "mac", "chromium-mac", etc.',
        ),
        optparse.make_option(
            "--timeout", action="store", default="2000", help="test timeout in milliseconds (2000 by default)"
        ),
        optparse.make_option("--wrapper", action="store"),
        optparse.make_option(
            "--no-pixel-tests", action="store_true", default=False, help="disable pixel-to-pixel PNG comparisons"
        ),
    ]
    option_list = configuration_options + misc_options
    optparser = optparse.OptionParser(option_list=option_list)
    options, args = optparser.parse_args()
    p = port.get(options.platform, options)
    run_tests(p, options, args)
def main():
    """Main function to produce new baselines."""

    option_parser = optparse.OptionParser()
    option_parser.add_option('-v',
                             '--verbose',
                             action='store_true',
                             default=False,
                             help='include debug-level logging.')

    option_parser.add_option('-q',
                             '--quiet',
                             action='store_true',
                             help='Suppress result HTML viewing')

    option_parser.add_option('-p',
                             '--platforms',
                             default='mac,win,win-xp,win-vista,linux',
                             help=('Comma delimited list of platforms '
                                   'that need rebaselining.'))

    option_parser.add_option('-u',
                             '--archive_url',
                             default=('http://build.chromium.org/buildbot/'
                                      'layout_test_results'),
                             help=('Url to find the layout test result archive'
                                   ' file.'))
    option_parser.add_option(
        '-U',
        '--force_archive_url',
        help=('Url of result zip file. This option is for debugging '
              'purposes'))

    option_parser.add_option('-w',
                             '--webkit_canary',
                             action='store_true',
                             default=False,
                             help=('If True, pull baselines from webkit.org '
                                   'canary bot.'))

    option_parser.add_option('-b',
                             '--backup',
                             action='store_true',
                             default=False,
                             help=('Whether or not to backup the original test'
                                   ' expectations file after rebaseline.'))

    option_parser.add_option('-d',
                             '--html_directory',
                             default='',
                             help=('The directory that stores the results for '
                                   'rebaselining comparison.'))

    option_parser.add_option('',
                             '--use_drt',
                             action='store_true',
                             default=False,
                             help=('Use ImageDiff from DumpRenderTree instead '
                                   'of image_diff for pixel tests.'))

    option_parser.add_option('',
                             '--target-platform',
                             default='chromium',
                             help=('The target platform to rebaseline '
                                   '("mac", "chromium", "qt", etc.). Defaults '
                                   'to "chromium".'))
    options = option_parser.parse_args()[0]

    # We need to create three different Port objects over the life of this
    # script. |target_port_obj| is used to determine configuration information:
    # location of the expectations file, names of ports to rebaseline, etc.
    # |port_obj| is used for runtime functionality like actually diffing
    # Then we create a rebaselining port to actual find and manage the
    # baselines.
    target_options = copy.copy(options)
    if options.target_platform == 'chromium':
        target_options.chromium = True
    target_port_obj = port.get(None, target_options)

    # Set up our logging format.
    log_level = logging.INFO
    if options.verbose:
        log_level = logging.DEBUG
    logging.basicConfig(level=log_level,
                        format=('%(asctime)s %(filename)s:%(lineno)-3d '
                                '%(levelname)s %(message)s'),
                        datefmt='%y%m%d %H:%M:%S')

    host_port_obj = get_host_port_object(options)
    if not host_port_obj:
        sys.exit(1)

    # Verify 'platforms' option is valid.
    if not options.platforms:
        _log.error('Invalid "platforms" option. --platforms must be '
                   'specified in order to rebaseline.')
        sys.exit(1)
    platforms = [p.strip().lower() for p in options.platforms.split(',')]
    for platform in platforms:
        if not platform in REBASELINE_PLATFORM_ORDER:
            _log.error('Invalid platform: "%s"' % (platform))
            sys.exit(1)

    # Adjust the platform order so rebaseline tool is running at the order of
    # 'mac', 'win' and 'linux'. This is in same order with layout test baseline
    # search paths. It simplifies how the rebaseline tool detects duplicate
    # baselines. Check _IsDupBaseline method for details.
    rebaseline_platforms = []
    for platform in REBASELINE_PLATFORM_ORDER:
        if platform in platforms:
            rebaseline_platforms.append(platform)

    options.html_directory = setup_html_directory(options.html_directory)

    rebaselining_tests = set()
    backup = options.backup
    for platform in rebaseline_platforms:
        rebaseliner = Rebaseliner(host_port_obj, target_port_obj, platform,
                                  options)

        _log.info('')
        log_dashed_string('Rebaseline started', platform)
        if rebaseliner.run(backup):
            # Only need to backup one original copy of test expectation file.
            backup = False
            log_dashed_string('Rebaseline done', platform)
        else:
            log_dashed_string('Rebaseline failed', platform, logging.ERROR)

        rebaselining_tests |= set(rebaseliner.get_rebaselining_tests())

    _log.info('')
    log_dashed_string('Rebaselining result comparison started', None)
    html_generator = HtmlGenerator(target_port_obj, options,
                                   rebaseline_platforms, rebaselining_tests)
    html_generator.generate_html()
    if not options.quiet:
        html_generator.show_html()
    log_dashed_string('Rebaselining result comparison done', None)

    sys.exit(0)
Esempio n. 14
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        print "uri: " + uri
        crash, timeout, checksum, output, err = \
            driver.run_test(uri, int(options.timeout), None)
        print "crash:         " + str(crash)
        print "timeout:       " + str(timeout)
        print "checksum:      " + str(checksum)
        print 'stdout: """'
        print ''.join(output)
        print '"""'
        print 'stderr: """'
        print ''.join(err)
        print '"""'
        print


if __name__ == '__main__':
    optparser = optparse.OptionParser()
    optparser.add_option('-p', '--port', action='store', default='mac',
                         'Platform to test (e.g., "mac", "chromium-mac", etc.')
    optparser.add_option('-t', '--target', action='store', default='Release',
                         'build type ("Debug" or "Release")')
    optparser.add_option('', '--timeout', action='store', default='2000',
                         'test timeout in milliseconds (2000 by default)')
    optparser.add_option('', '--wrapper', action='store')
    optparser.add_option('', '--no-pixel-tests', action='store_true',
                         default=False,
                         help='disable pixel-to-pixel PNG comparisons')
    options, args = optparser.parse_args()
    p = port.get(options.port, options)
    run_tests(p, options, args)
Esempio n. 15
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        print


if __name__ == '__main__':
    optparser = optparse.OptionParser()
    optparser.add_option(
        '-p',
        '--platform',
        action='store',
        default='mac',
        help='Platform to test (e.g., "mac", "chromium-mac", etc.')
    optparser.add_option('-t',
                         '--target',
                         action='store',
                         default='Release',
                         help='build type ("Debug" or "Release")')
    optparser.add_option('',
                         '--timeout',
                         action='store',
                         default='2000',
                         help='test timeout in milliseconds (2000 by default)')
    optparser.add_option('', '--wrapper', action='store')
    optparser.add_option('',
                         '--no-pixel-tests',
                         action='store_true',
                         default=False,
                         help='disable pixel-to-pixel PNG comparisons')
    options, args = optparser.parse_args()
    p = port.get(options.platform, options)
    run_tests(p, options, args)
Esempio n. 16
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 def __init__(self, testFunc, setUp=None, tearDown=None, description=None):
     self._port = port.get('test', None)
     self._exp = None
     unittest.TestCase.__init__(self, testFunc)
def main(executive=Executive()):
    """Main function to produce new baselines."""

    (options, target_options) = parse_options(sys.argv[1:])

    # We need to create three different Port objects over the life of this
    # script. |target_port_obj| is used to determine configuration information:
    # location of the expectations file, names of ports to rebaseline, etc.
    # |port_obj| is used for runtime functionality like actually diffing
    # Then we create a rebaselining port to actual find and manage the
    # baselines.
    target_port_obj = port.get(None, target_options)

    # Set up our logging format.
    log_level = logging.INFO
    if options.verbose:
        log_level = logging.DEBUG
    logging.basicConfig(level=log_level,
                        format=('%(asctime)s %(filename)s:%(lineno)-3d '
                                '%(levelname)s %(message)s'),
                        datefmt='%y%m%d %H:%M:%S')

    host_port_obj = get_host_port_object(options)
    if not host_port_obj:
        sys.exit(1)

    # Verify 'platforms' option is valid.
    if not options.platforms:
        _log.error('Invalid "platforms" option. --platforms must be '
                   'specified in order to rebaseline.')
        sys.exit(1)
    platforms = [p.strip().lower() for p in options.platforms.split(',')]
    for platform in platforms:
        if not platform in REBASELINE_PLATFORM_ORDER:
            _log.error('Invalid platform: "%s"' % (platform))
            sys.exit(1)

    # Adjust the platform order so rebaseline tool is running at the order of
    # 'mac', 'win' and 'linux'. This is in same order with layout test baseline
    # search paths. It simplifies how the rebaseline tool detects duplicate
    # baselines. Check _IsDupBaseline method for details.
    rebaseline_platforms = []
    for platform in REBASELINE_PLATFORM_ORDER:
        if platform in platforms:
            rebaseline_platforms.append(platform)

    options.html_directory = setup_html_directory(options.html_directory)

    rebaselining_tests = set()
    backup = options.backup
    for platform in rebaseline_platforms:
        rebaseliner = Rebaseliner(host_port_obj, target_port_obj,
                                  platform, options)

        _log.info('')
        log_dashed_string('Rebaseline started', platform)
        if rebaseliner.run(backup):
            # Only need to backup one original copy of test expectation file.
            backup = False
            log_dashed_string('Rebaseline done', platform)
        else:
            log_dashed_string('Rebaseline failed', platform, logging.ERROR)

        rebaselining_tests |= set(rebaseliner.get_rebaselining_tests())

    _log.info('')
    log_dashed_string('Rebaselining result comparison started', None)
    html_generator = HtmlGenerator(target_port_obj,
                                   options,
                                   rebaseline_platforms,
                                   rebaselining_tests,
                                   executive=executive)
    html_generator.generate_html()
    if not options.quiet:
        html_generator.show_html()
    log_dashed_string('Rebaselining result comparison done', None)

    sys.exit(0)