test_static_publisher.cpp

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/*
 * Copyright (c) 2008, Willow Garage, Inc.
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#include <gtest/gtest.h>
#include <tf2/buffer_core.h>
#include "tf2/exceptions.h"
#include <tf2_ros/static_transform_broadcaster.h>
#include <sys/time.h>
#include <ros/ros.h>
#include "rostest/permuter.h"

#include "tf2_ros/transform_listener.h"


TEST(StaticTranformPublsher, a_b_different_times)
{
  tf2_ros::Buffer mB;
  tf2_ros::TransformListener tfl(mB);
  EXPECT_TRUE(mB.canTransform("a", "b", ros::Time(), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "b", ros::Time(100), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "b", ros::Time(1000), ros::Duration(1.0)));
};

TEST(StaticTranformPublsher, a_c_different_times)
{
  tf2_ros::Buffer mB;
  tf2_ros::TransformListener tfl(mB);
  EXPECT_TRUE(mB.canTransform("a", "c", ros::Time(), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "c", ros::Time(100), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "c", ros::Time(1000), ros::Duration(1.0)));
};

TEST(StaticTranformPublsher, a_d_different_times)
{
  tf2_ros::Buffer mB;
  tf2_ros::TransformListener tfl(mB);
  geometry_msgs::TransformStamped ts;
  ts.transform.rotation.w = 1;
  ts.header.frame_id = "c";
  ts.header.stamp = ros::Time(10.0);
  ts.child_frame_id = "d";
  
  // make sure listener has populated
  EXPECT_TRUE(mB.canTransform("a", "c", ros::Time(), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "c", ros::Time(100), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "c", ros::Time(1000), ros::Duration(1.0)));


  mB.setTransform(ts, "authority");
  //printf("%s\n", mB.allFramesAsString().c_str());
  EXPECT_TRUE(mB.canTransform("c", "d", ros::Time(10), ros::Duration(0)));

  EXPECT_TRUE(mB.canTransform("a", "d", ros::Time(), ros::Duration(0)));
  EXPECT_FALSE(mB.canTransform("a", "d", ros::Time(1), ros::Duration(0)));
  EXPECT_TRUE(mB.canTransform("a", "d", ros::Time(10), ros::Duration(0)));
  EXPECT_FALSE(mB.canTransform("a", "d", ros::Time(100), ros::Duration(0)));

};

TEST(StaticTranformPublsher, multiple_parent_test)
{
  tf2_ros::Buffer mB;
  tf2_ros::TransformListener tfl(mB);
  tf2_ros::StaticTransformBroadcaster stb;
  geometry_msgs::TransformStamped ts;
  ts.transform.rotation.w = 1;
  ts.header.frame_id = "c";
  ts.header.stamp = ros::Time(10.0);
  ts.child_frame_id = "d";

  stb.sendTransform(ts);
  
  // make sure listener has populated
  EXPECT_TRUE(mB.canTransform("a", "d", ros::Time(), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "d", ros::Time(100), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("a", "d", ros::Time(1000), ros::Duration(1.0)));


  // Publish new transform with child 'd', should replace old one in static tf
  ts.header.frame_id = "new_parent";
  stb.sendTransform(ts);
  ts.child_frame_id = "other_child";
  stb.sendTransform(ts);
  ts.child_frame_id = "other_child2";
  stb.sendTransform(ts);

  EXPECT_TRUE(mB.canTransform("new_parent", "d", ros::Time(), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("new_parent", "other_child", ros::Time(), ros::Duration(1.0)));
  EXPECT_TRUE(mB.canTransform("new_parent", "other_child2", ros::Time(), ros::Duration(1.0)));
  EXPECT_FALSE(mB.canTransform("a", "d", ros::Time(), ros::Duration(1.0)));
};

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