#!/usr/bin/env python

# Copyright (C) 2017 Apple Incorporated. All rights reserved.
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# modification, are permitted provided that the following conditions
# are met:
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# 1. Redistributions of source code must retain the above
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#    disclaimer.
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#    copyright notice, this list of conditions and the following
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
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import argparse
import subprocess
import sys

from webkitpy.common.host import Host
from webkitpy.layout_tests.controllers.layout_test_finder import LayoutTestFinder
from webkitpy.layout_tests.servers.run_webkit_httpd import run_server as run_webkit_httpd
from webkitpy.layout_tests.servers.run_webkit_httpd import parse_args as parse_httpd_args

def parse_args(args):
    description = """Open a layout test using the default browser. Script will make sure to start a server if test needs it."""
    parser = argparse.ArgumentParser(prog='open-layout-test', description=description, formatter_class=argparse.RawDescriptionHelpFormatter)
    parser.add_argument('test_name', nargs=1, help='test to open')

    options, args = parser.parse_known_args(args)
    return options, args


def main(argv, stdout, stderr):
    options, args  = parse_args(argv)
    test_name = options.test_name[0]

    host = Host()
    port = host.port_factory.get(None, {})
    driver = port.create_driver(0)
    finder = LayoutTestFinder(port, {})

    paths, test_files = finder.find_tests(None, [test_name])
    test_name = paths[0]

    needs_server = False
    if driver.is_http_test(test_name) and not port.is_http_server_running():
        needs_server = not port.is_http_server_running()
    elif driver.is_web_platform_test(test_name) or driver.is_webkit_specific_web_platform_test(test_name):
        needs_server = not port.is_wpt_server_running()

    test_url = driver.test_to_uri(test_name)
    if not needs_server:
        print "Opening %s" % test_url
        subprocess.Popen(['open', test_url])
        return

    httpd_options, httpd_args = parse_httpd_args(['-u', test_url])
    run_webkit_httpd(httpd_options, httpd_args, stdout, stderr)


if __name__ == '__main__':
    sys.exit(main(sys.argv[1:], sys.stdout, sys.stderr))