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#! /usr/bin/env python
#***********************************************************
#* Software License Agreement (BSD License)
#*
#* Copyright (c) 2016, Felix Duvallet
#* All rights reserved.
#*
#* Redistribution and use in source and binary forms, with or without
#* modification, are permitted provided that the following conditions
#* are met:
#*
#* * Redistributions of source code must retain the above copyright
#* notice, this list of conditions and the following disclaimer.
#* * Redistributions in binary form must reproduce the above
#* copyright notice, this list of conditions and the following
#* disclaimer in the documentation and/or other materials provided
#* with the distribution.
#* * Neither the name of Willow Garage, Inc. nor the names of its
#* contributors may be used to endorse or promote products derived
#* from this software without specific prior written permission.
#*
#* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
#* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
#* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
#* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
#* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
#* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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#* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
#* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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#*
#* Author: Felix Duvallet
#***********************************************************
import subprocess
import unittest
import rospy
PKG = 'test_tf2'
class TestStaticPublisher(unittest.TestCase):
"""
These tests ensure the static transform publisher dies gracefully when
provided with an invalid (or non-existent) transform parameter.
These tests are started by the static_publisher.launch, which loads
parameters into the param server.
We check the output to make sure the correct error is occurring, since the
return code is always -1 (255).
Note that this *could* cause a problem if a valid TF is stored in the param
server for one of the names; in this case the subprocess would never return
and the test would run forever.
"""
def test_publisher_no_args(self):
# Start the publisher with no argument.
cmd = 'rosrun tf2_ros static_transform_publisher'
with self.assertRaises(subprocess.CalledProcessError) as cm:
ret = subprocess.check_output(
cmd.split(' '), stderr=subprocess.STDOUT)
self.assertEqual(255, cm.exception.returncode)
self.assertIn('not having the right number of arguments',
cm.exception.output)
def test_publisher_nonexistent_param(self):
# Here there is no paramater by that name.
cmd = 'rosrun tf2_ros static_transform_publisher /test_tf2/tf_null'
with self.assertRaises(subprocess.CalledProcessError) as cm:
ret = subprocess.check_output(
cmd.split(' '), stderr=subprocess.STDOUT)
self.assertEqual(255, cm.exception.returncode)
self.assertIn('Could not read TF', cm.exception.output)
def test_publisher_invalid_param(self):
# Here there is an invalid parameter stored in the parameter server.
cmd = 'rosrun tf2_ros static_transform_publisher /test_tf2/tf_invalid'
with self.assertRaises(subprocess.CalledProcessError) as cm:
ret = subprocess.check_output(
cmd.split(' '), stderr=subprocess.STDOUT)
self.assertEqual(255, cm.exception.returncode)
self.assertIn('Could not validate XmlRpcC', cm.exception.output)
if __name__ == '__main__':
rospy.init_node("test_static_publisher_py")
import rostest
rostest.rosrun(PKG, 'test_static_publisher_py', TestStaticPublisher)