#!/usr/bin/python
# Copyright 2011  Lars Wirzenius
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


import cliapp
import subprocess
import sys
import time


class SpeedTest(cliapp.Application):

    def add_settings(self):
        self.add_string_list_setting(['program', 'p'],
                                     'test using PROGRAM '
                                     '(can be given multiple times)')

    def process_args(self, args):
        for program in self['program']:
            argv = [program] + args
            devnull = open('/dev/null', 'w')
            started = time.time()
            p = subprocess.Popen(argv, stdout=devnull, stderr=subprocess.PIPE)
            out, err = p.communicate('')
            ended = time.time()
            if p.returncode:
                sys.stderr.write('Program failed: %s\n%s' % (argv, err))
                sys.exit(1)
            secs = ended - started
            self.output.write('%.1f %s\n' % (secs, program))


if __name__ == '__main__':
    SpeedTest().run()