utest.cpp

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/*
 * Copyright (c) 2008, Willow Garage, Inc.
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 *       this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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/* Author: Brian Gerkey */

#include <stdexcept> // for std::runtime_error
#include <string>
#include <vector>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <time.h>
#include <gtest/gtest.h>
#include <boost/algorithm/string.hpp>
#include <boost/filesystem.hpp>
#include "rospack/rospack.h"
#include "utils.h"


TEST(rospack, reentrant)
{
  rospack::ROSPack rp;
  std::string output;
  int ret = rp.run(std::string("plugins --attrib=foo --top=precedence1 roslang"));
  ASSERT_EQ(ret, 0);
  ret = rp.run(std::string("find roslang"));
  ASSERT_EQ(ret, 0);
  ret = rp.run(std::string("list-names"));
  ASSERT_EQ(ret, 0);
  std::vector<std::string> output_list;
  output = rp.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  ASSERT_EQ((int)output_list.size(), 4);
  ret = rp.run(std::string("list"));
  ASSERT_EQ(ret, 0);
  output = rp.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  ASSERT_EQ((int)output_list.size(), 4);
  std::vector<std::string> path_name;
  boost::split(path_name, output_list[0], boost::is_any_of(" "));
  ASSERT_EQ((int)path_name.size(), 2);
}

TEST(rospack, multiple_rospack_objects)
{
  rospack::ROSPack rp;
  std::string output;
  int ret = rp.run(std::string("plugins --attrib=foo --top=precedence1 roslang"));
  ASSERT_EQ(ret, 0);
  ret = rp.run(std::string("find roslang"));
  ASSERT_EQ(ret, 0);
  ret = rp.run(std::string("list-names"));
  ASSERT_EQ(ret, 0);
  std::vector<std::string> output_list;
  output = rp.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  ASSERT_EQ((int)output_list.size(), 4);
  ret = rp.run(std::string("list"));
  ASSERT_EQ(ret, 0);
  output = rp.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  ASSERT_EQ((int)output_list.size(), 4);
  std::vector<std::string> path_name;
  boost::split(path_name, output_list[0], boost::is_any_of(" "));
  ASSERT_EQ((int)path_name.size(), 2);

  rospack::ROSPack rp2;
  ret = rp2.run(std::string("plugins --attrib=foo --top=precedence1 roslang"));
  ASSERT_EQ(ret, 0);
  ret = rp2.run(std::string("find roslang"));
  ASSERT_EQ(ret, 0);
  ret = rp2.run(std::string("list-names"));
  ASSERT_EQ(ret, 0);
  output_list.clear();
  output = rp2.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  ASSERT_EQ((int)output_list.size(), 4);
  ret = rp2.run(std::string("list"));
  ASSERT_EQ(ret, 0);
  output = rp2.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  ASSERT_EQ((int)output_list.size(), 4);
  path_name.clear();
  boost::split(path_name, output_list[0], boost::is_any_of(" "));
  ASSERT_EQ((int)path_name.size(), 2);
}

TEST(rospack, deduplicate_tokens)
{
  std::string input = "foo foo bar bat bar foobar batbar";
  std::string truth = "foo bar bat foobar batbar";
  std::string output;
  rospack::deduplicate_tokens(input, false, output);
  ASSERT_EQ(truth, output);
}

// Test that env var changes between runs still produce the right results.
TEST(rospack, env_change)
{
  // Get old path for resetting later, to avoid cross-talk with other tests
  char* oldrpp = getenv("ROS_PACKAGE_PATH");
  rospack::ROSPack rp;

  // Case 1: RPP=/test2
  char buf[1024];
  std::string rr = std::string(getcwd(buf, sizeof(buf))) + "/test2";
  setenv("ROS_PACKAGE_PATH", rr.c_str(), 1);
  std::vector<std::string> test_pkgs;
  test_pkgs.push_back("precedence1");
  test_pkgs.push_back("precedence2");
  test_pkgs.push_back("precedence3");
  test_pkgs.push_back("roslang");
  std::string output;
  int ret = rp.run(std::string("list-names"));
  EXPECT_EQ(ret, 0);
  std::vector<std::string> output_list;
  output = rp.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  // Check that we get back the right list of packages (which could be in any
  // order).
  EXPECT_EQ(output_list.size(), test_pkgs.size());
  for(std::vector<std::string>::const_iterator it = output_list.begin();
      it != output_list.end();
      ++it)
  {
    bool found = false;
    for(std::vector<std::string>::const_iterator it2 = test_pkgs.begin();
        it2 != test_pkgs.end();
        ++it2)
    {
      if(*it == *it2)
      {
        EXPECT_FALSE(found);
        found = true;
      }
    }
    EXPECT_TRUE(found);
  }

  // Case 2: RPP=/test3
  rr = std::string(getcwd(buf, sizeof(buf))) + "/test3";
  setenv("ROS_PACKAGE_PATH", rr.c_str(), 1);
  test_pkgs.clear();
  test_pkgs.push_back("precedence1");
  test_pkgs.push_back("precedence2");
  test_pkgs.push_back("precedence3");
  ret = rp.run(std::string("list-names"));
  EXPECT_EQ(ret, 0);
  output_list.clear();
  output = rp.getOutput();
  boost::trim(output);
  boost::split(output_list, output, boost::is_any_of("\n"));
  // Check that we get back the right list of packages (which could be in any
  // order).
  EXPECT_EQ(output_list.size(), test_pkgs.size());
  for(std::vector<std::string>::const_iterator it = output_list.begin();
      it != output_list.end();
      ++it)
  {
    bool found = false;
    for(std::vector<std::string>::const_iterator it2 = test_pkgs.begin();
        it2 != test_pkgs.end();
        ++it2)
    {
      if(*it == *it2)
      {
        EXPECT_FALSE(found);
        found = true;
      }
    }
    EXPECT_TRUE(found);
  }

  // Case 3: RPP=/test_empty
  rr = std::string(getcwd(buf, sizeof(buf))) + "/test_empty";
  setenv("ROS_PACKAGE_PATH", rr.c_str(), 1);
  ret = rp.run(std::string("list-names"));
  EXPECT_EQ(ret, 0);
  output = rp.getOutput();
  boost::trim(output);
  EXPECT_EQ(output, std::string());

  // Reset old path, for other tests
  setenv("ROS_PACKAGE_PATH", oldrpp, 1);
}

int main(int argc, char **argv)
{
  // Quiet some warnings
  (void)rospack::ROSPACK_NAME;
  (void)rospack::ROSSTACK_NAME;

  char buf[1024];
  std::string rr = std::string(getcwd(buf, sizeof(buf))) + "/test2";
  setenv("ROS_PACKAGE_PATH", rr.c_str(), 1);
  char path[PATH_MAX];
  if(getcwd(path,sizeof(path)))
  {
    boost::filesystem::path p(path);
    p = p.parent_path();
    std::string newpath = p.string();
    char* oldpath = getenv("PATH");
    if(oldpath)
      newpath += std::string(":") + oldpath;
    setenv("PATH", newpath.c_str(), 1);
  }

  testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}