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test_buffer_client.cpp

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* Author: Eitan Marder-Eppstein
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#include <gtest/gtest.h>
#include <tf2_ros/buffer_client.h>
#include <ros/ros.h>
#include <tf2_geometry_msgs/tf2_geometry_msgs.h>
#include <tf2_kdl/tf2_kdl.h>
#include <tf2_bullet/tf2_bullet.h>

static const double EPS = 1e-3;

TEST(tf2_ros, buffer_client)
{
  tf2::BufferClient client("tf_action");

  //make sure that things are set up
  client.waitForServer();

  geometry_msgs::PointStamped p1;
  p1.header.frame_id = "a";
  p1.header.stamp = ros::Time();
  p1.point.x = 0.0;
  p1.point.y = 0.0;
  p1.point.z = 0.0;

  try
  {
    geometry_msgs::PointStamped p2 = client.transform(p1, "b");
    ROS_INFO("p1: (%.2f, %.2f, %.2f), p2: (%.2f, %.2f, %.2f)", p1.point.x,
        p1.point.y, p1.point.z, p2.point.x, p2.point.y, p2.point.z);

    EXPECT_NEAR(p2.point.x, -5.0, EPS);
    EXPECT_NEAR(p2.point.y, -6.0, EPS);
    EXPECT_NEAR(p2.point.z, -7.0, EPS);
  }
  catch(tf2::TransformException& ex)
  {
    ROS_ERROR("Failed to transform: %s", ex.what());
  }
} 

TEST(tf2_ros, buffer_client_different_types)
{
  tf2::BufferClient client("tf_action");

  //make sure that things are set up
  client.waitForServer();

  tf2::Stamped<KDL::Vector> k1(KDL::Vector(0, 0, 0), ros::Time(), "a");

  try
  {
    tf2::Stamped<btVector3> b1;
    client.transform(k1, b1, "b");
    ROS_INFO_STREAM("Bullet: (" << b1[0] << ", " << b1[1] << ", " << b1[2] << ")");
    ROS_INFO_STREAM("KDL: (" << k1[0] << ", " << k1[1] << ", " << k1[2] << ")");
    EXPECT_NEAR(b1[0], -5.0, EPS);
    EXPECT_NEAR(b1[1], -6.0, EPS);
    EXPECT_NEAR(b1[2], -7.0, EPS);
    EXPECT_EQ(b1.frame_id_, "b");
    EXPECT_EQ(k1.frame_id_, "a");
  }
  catch(tf2::TransformException& ex)
  {
    ROS_ERROR("Failed to transform: %s", ex.what());
  }
} 

int main(int argc, char** argv)
{
  testing::InitGoogleTest(&argc, argv);
  ros::init(argc, argv, "buffer_client_test");
  return RUN_ALL_TESTS();
}

---

test_tf2
Author(s): Tully Foote, Eitan Marder-Eppstein
autogenerated on Tue Mar 5 11:59:24 2013