test_rosgraph_command_offline.py

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#!/usr/bin/env python
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# Revision $Id: test_rosgraph_command_line_offline.py 5710 2009-08-20 03:11:04Z sfkwc $

from __future__ import with_statement

NAME = 'test_rosgraph_command_line_offline'
import roslib; roslib.load_manifest('test_rosgraph')

import os
import sys 
import unittest
import cStringIO
import time
        
import rostest

from subprocess import Popen, PIPE, check_call, call

class TestRosgraphOffline(unittest.TestCase):

    def setUp(self):
        pass

    ## test that the rosmsg command works
    def test_cmd_help(self):
        cmd = 'rosgraph'
        output = Popen([cmd, '-h'], stdout=PIPE).communicate()[0]
        self.assert_('Usage' in output)
            
    def test_offline(self):
        cmd = 'rosgraph'

        # point at a different 'master'
        env = os.environ.copy()
        env['ROS_MASTER_URI'] = 'http://localhost:11312'
        kwds = { 'env': env, 'stdout': PIPE, 'stderr': PIPE}

        msg = "ERROR: Unable to communicate with master!\n"

        output = Popen([cmd], **kwds).communicate()
        self.assertEquals(msg, output[1])
        
if __name__ == '__main__':
    rostest.unitrun('test_rosgraph', NAME, TestRosgraphOffline, sys.argv, coverage_packages=[])

---

test_rosgraph
Author(s): Ken Conley
autogenerated on Fri Jan 11 09:50:31 2013