test_convert.py

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#! /usr/bin/env python
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#* Author: Eitan Marder-Eppstein
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from __future__ import print_function

PKG = 'test_tf2'

import sys
import unittest

import tf2_py as tf2
import tf2_ros
import tf2_geometry_msgs
from geometry_msgs.msg import PointStamped
import rospy
import tf2_kdl
import PyKDL

class TestConvert(unittest.TestCase):
    def test_convert(self):
        p = tf2_ros.Stamped(PyKDL.Vector(1, 2, 3), rospy.Time(), 'my_frame')
        print(p)
        msg = tf2_ros.convert(p, PointStamped) 
        print(msg)
        p2 = tf2_ros.convert(msg, PyKDL.Vector)
        print(p2)
        p2[0] = 100
        print(p)
        print(p2)
        print(p2.header)

if __name__ == '__main__':
    import rostest
    rostest.unitrun(PKG, 'test_buffer_client', TestConvert)