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

from __future__ import with_statement

NAME = 'test_roswtf_command_line_offline'
import roslib; roslib.load_manifest('test_roswtf')

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

from subprocess import Popen, PIPE, check_call, call

class TestRoswtfOffline(unittest.TestCase):

    def setUp(self):
        pass

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

        # point at a different 'master'
        env = os.environ.copy()
        env['ROS_MASTER_URI'] = 'http://localhost:11312'
        import roslib.packages
        import roslib.stacks
        env['ROS_PACKAGE_PATH'] = roslib.stacks.get_stack_dir('ros_comm')
        cwd  = roslib.packages.get_pkg_dir('test_roswtf')
        kwds = { 'env': env, 'stdout': PIPE, 'stderr': PIPE, 'cwd': cwd}

        # run roswtf nakedly
        output = Popen([cmd], **kwds).communicate()
        # - due both a positive and negative test
        self.assert_('No errors or warnings' in output[0], "OUTPUT[%s]"%str(output))
        self.assert_('ERROR' not in output[0], "OUTPUT[%s]"%str(output))

        # run roswtf on a simple launch file offline
        import roslib.packages
        p = os.path.join(roslib.packages.get_pkg_dir('test_roswtf'), 'test', 'min.launch')
        output = Popen([cmd, p], **kwds).communicate()[0]
        self.assert_('No errors or warnings' in output, "OUTPUT[%s]"%output)
        self.assert_('ERROR' not in output, "OUTPUT[%s]"%output)        
        
if __name__ == '__main__':
    rostest.unitrun('test_roswtf', NAME, TestRoswtfOffline, sys.argv, coverage_packages=[])
