integration_test_utils.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
 
#
# Copyright © 2018 Pilz GmbH & Co. KG
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
 
import rospy
import threading
 
 
def waited_trigger(cv, func):
    with cv:
        cv.wait()
    func()
 
 
class MoveThread(threading.Thread):
    def __init__(self, robot, cmd, expected_exception):
        threading.Thread.__init__(self)
        self._robot = robot
        self._cmd = cmd
        self.expected_exception = expected_exception
        self.exception_thrown = False
 
    def run(self):
        rospy.logdebug("Start motion...")
        try:
            self._robot.move(self._cmd)
        except self.expected_exception:
            rospy.logdebug("Caught expected exception.")
            self.exception_thrown = True