import shlex
import os
import sys
import unittest


def main(testname):
    args = os.environ.get("ARGS", None)
    if args is None:
        return unittest.main()

    args = shlex.split(args)
    if args[0] != testname:
        return 0

    argv = [sys.argv[0]] + args[1:]
    unittest.main(argv=argv)