runner.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
# Copyright (C) 2008-2025 German Aerospace Center (DLR) and others.
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License 2.0 which is available at
# https://www.eclipse.org/legal/epl-2.0/
# This Source Code may also be made available under the following Secondary
# Licenses when the conditions for such availability set forth in the Eclipse
# Public License 2.0 are satisfied: GNU General Public License, version 2
# or later which is available at
# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later

# @file    runner.py
# @author  Jakob Erdmann
# @author  Laura Bieker
# @author  Michael Behrisch
# @author  Daniel Krajzewicz
# @date    2011-01-18

from __future__ import absolute_import
from __future__ import print_function

import sys
import os
import subprocess
import random
sys.path.append(os.path.join(os.environ["SUMO_HOME"], "tools"))
from sumolib import checkBinary  # noqa


def get_depart_lines(route_file):
    with open(route_file) as rf:
        return [d for d in rf if 'depart' in d]


output_file1 = 'output1.rou.xml'
output_file2 = 'output2.rou.xml'

args = [checkBinary('jtrrouter'),
        '--net-file', 'input_net.net.xml',
        '--route-files', 'input_flows.flows.xml',
        '--turn-ratio-files', 'input_turns.turns.xml',
        '--output-file', output_file1,
        '--sinks=end',
        '--seed', None,
        '--no-step-log',
        '--randomize-flows']

args[11] = str(random.randint(0, 2 ** 31))
subprocess.call(args)
route_lines1 = get_depart_lines(output_file1)

args[8] = output_file2
args[11] = str(random.randint(0, 2 ** 31))
subprocess.call(args)
route_lines2 = get_depart_lines(output_file2)

if route_lines1 != route_lines2:
    print('test passed. output is random')
else:
    print('test failed. output is deterministic')