source: src/tests/test.py @ 4b5857f

#!python
from __future__ import print_function

from os import listdir
from os.path import isfile, join
from subprocess import Popen, PIPE, STDOUT

import argparse
import sys

################################################################################
#               help functions
################################################################################
def listTests():
        list = [f.rstrip('.c') for f in listdir('.')
                if not f.startswith('.') and (
                        not isfile(f) or f.endswith('.c')
                )]

        return list

def sh(cmd, dry_run):
        if dry_run :
                print("cmd: %s" % cmd)
                return 0
        else :
                proc = Popen(cmd, stderr=STDOUT, shell=True)
                proc.communicate()
                return proc.returncode

################################################################################
#               running test functions
################################################################################
def run_test_instance(test, generate, dry_run):

        out_file = (".out/%s.log" % test) if not generate else (".expect/%s.txt" % test)

        sh("rm -f %s" % out_file, dry_run)
        sh("rm -f %s > /dev/null 2>&1" % test, dry_run)

        # build, skipping to next test on error
        make_ret = sh("make -j 8 %s > %s 2>&1" % (test, out_file), dry_run)

        if make_ret == 0 :
                # fetch optional input
                stdinput = "< .in/%s.txt" % test if isfile(".in/%s.txt" % test) else ""

                # run test
                sh("./%s %s > %s 2>&1" % (test, stdinput, out_file), dry_run)

        retcode = 0
        if not generate :
                # touch expected files so empty output are supported by default
                sh("touch .expect/%s.txt" % test, dry_run)

                # diff the output of the files
                retcode = sh("diff .expect/%s.txt .out/%s.log" % (test, test), dry_run)

        # clean the executable
        sh("rm -f %s > /dev/null 2>&1" % test, dry_run)

        return retcode

def run_tests(tests, generate, dry_run) :
        sh('make clean > /dev/null 2>&1', dry_run)
        sh('mkdir -p .out .expect', dry_run)

        if generate :
                print( "Regenerate tests for: ", end="" )
                print( ", ".join( tests ) )

        failed = False;
        for t in tests:
                if not generate :
                        print("%20s  " % t, end="")
                sys.stdout.flush()
                test_failed = run_test_instance(t, generate, dry_run)
                failed = test_failed or failed

                if not generate :
                        print("FAILED" if test_failed else "PASSED")

        sh('make clean > /dev/null 2>&1', dry_run)

        if generate :
                print( "Done" )

        return 0 if failed else 1

################################################################################
#               main loop
################################################################################
parser = argparse.ArgumentParser(description='Script which runs cforall tests')
parser.add_argument('--dry-run', help='Don\'t run the tests, only output the commands', action='store_true')
parser.add_argument('--all', help='Run all test available', action='store_true')
parser.add_argument('--generate-expected', help='Regenerate the .expect by running the specified tets, can be used with --all option', action='store_true')
parser.add_argument('tests', metavar='test', type=str, nargs='*', help='a list of tests to run')

options = parser.parse_args()

if len(options.tests) > 0 and options.all :
        print('ERROR: must have option \'--all\' or non-empty test list', file=sys.stderr)
        parser.print_help()
        sys.exit(1)

tests = listTests() if options.all else options.tests

sys.exit( run_tests(tests, options.generate_expected, options.dry_run) )