fDirectory.h

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// Copyright (C) 2022 ASTRON (Netherlands Institute for Radio Astronomy)
// SPDX-License-Identifier: GPL-3.0-or-later
 
#ifndef DP3_COMMON_TEST_UNIT_FIXTURES_FDIRECTORY_H
#define DP3_COMMON_TEST_UNIT_FIXTURES_FDIRECTORY_H
 
#include <cstdlib>
#include <string>
 
#include <boost/filesystem.hpp>
 
#include "test_config.h"
 
namespace dp3 {
namespace common {
namespace test {
 
class FixtureDirectory {
 public:
  FixtureDirectory() {
    boost::filesystem::create_directories(kPath);
    boost::filesystem::current_path(kPath);
  }
 
  FixtureDirectory(const FixtureDirectory&) = delete;
  FixtureDirectory& operator=(const FixtureDirectory&) = delete;
 
  ~FixtureDirectory() {
    boost::filesystem::current_path(kWorkDir);
    boost::filesystem::remove_all(kPath);
  }
 
  static void ExtractResource(const std::string& tgz) {
    const std::string command = "tar xfz " DP3_RESOURCE_DIR "/" + tgz;
    const int status = std::system(command.c_str());
    if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
      throw std::runtime_error("Error while extracting " + tgz);
    }
  }
 
 private:
  const boost::filesystem::path kPath = boost::filesystem::unique_path();
  const boost::filesystem::path kWorkDir = boost::filesystem::current_path();
};
 
}  // namespace test
}  // namespace common
}  // namespace dp3
 
#endif