selftest_rostest.cpp

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#include "ros/ros.h"
#include "diagnostic_msgs/SelfTest.h"

#include <gtest/gtest.h>
#include <string>

TEST(SelfTest, runSelfTest)
{
  ros::NodeHandle nh;
  ros::NodeHandle nh_private("~");

  std::string node_to_test;
  double max_delay;
  nh_private.param("node_to_test", node_to_test, std::string());
  nh_private.param("max_delay", max_delay, 60.);
  ASSERT_FALSE(node_to_test.empty()) << "selftest_rostest needs the \"node_to_test\" parameter.";
    
  std::string service_name = node_to_test+"/self_test";
  ros::service::waitForService(service_name, max_delay);

  diagnostic_msgs::SelfTest srv;
  
  if (nh.serviceClient<diagnostic_msgs::SelfTest>(service_name).call(srv))
  {
    diagnostic_msgs::SelfTest::Response &res = srv.response;
    
    std::string passfail;

    if (res.passed)
      passfail = "PASSED";
    else
      passfail = "FAILED";
    
    EXPECT_TRUE(res.passed) << "Overall self-test FAILED.";

    printf("Self test %s for device with id: [%s]\n", passfail.c_str(), res.id.c_str());

    for (size_t i = 0; i < res.status.size(); i++)
    {
      printf("%2d) %s\n", ((int) i + 1), res.status[i].name.c_str());
      if (res.status[i].level == 0)
        printf("     [OK]: ");
      else if (res.status[i].level == 1)
        printf("     [WARNING]: ");
      else
        printf("     [ERROR]: ");

      printf("%s\n", res.status[i].message.c_str());
    
      EXPECT_EQ(0, res.status[i].level) << res.status[i].name << " did not PASS: " << res.status[i].message;

      for (size_t j = 0; j < res.status[i].values.size(); j++)
        printf("      [%s] %s\n", res.status[i].values[j].key.c_str(), res.status[i].values[j].value.c_str());

      printf("\n");
    }
  }
  else
  {
    FAIL() << "Unable to trigger self-test.";
    printf("Failed to call service.\n");
  }
}

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