libminifi/test/unit/FileUtilsTests.cpp - nifi-minifi-cpp - Git at Google

 /**
  *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include <string>
 #include <vector>
 #include <cstdlib>
 #include <iostream>
 #include "../TestBase.h"
 #include "core/Core.h"
 #include "utils/file/FileUtils.h"
 #include "utils/file/PathUtils.h"
 #include "utils/gsl.h"
 #include "utils/Environment.h"
 #include "utils/TimeUtil.h"

 namespace FileUtils = org::apache::nifi::minifi::utils::file;

 TEST_CASE("TestFileUtils::concat_path", "[TestConcatPath]") {
   std::string child = "baz";
 #ifdef WIN32
   std::string base = "foo\\bar";
   REQUIRE("foo\\bar\\baz" == FileUtils::concat_path(base, child));
 #else
   std::string base = "foo/bar";
   REQUIRE("foo/bar/baz" == FileUtils::concat_path(base, child));
 #endif
 }

 TEST_CASE("TestFileUtils::get_parent_path", "[TestGetParentPath]") {
 #ifdef WIN32
   REQUIRE("foo\\" == FileUtils::get_parent_path("foo\\bar"));
   REQUIRE("foo\\" == FileUtils::get_parent_path("foo\\bar\\"));
   REQUIRE("C:\\foo\\" == FileUtils::get_parent_path("C:\\foo\\bar"));
   REQUIRE("C:\\foo\\" == FileUtils::get_parent_path("C:\\foo\\bar\\"));
   REQUIRE("C:\\" == FileUtils::get_parent_path("C:\\foo"));
   REQUIRE("C:\\" == FileUtils::get_parent_path("C:\\foo\\"));
   REQUIRE("" == FileUtils::get_parent_path("C:\\"));
   REQUIRE("" == FileUtils::get_parent_path("C:\\\\"));
 #else
   REQUIRE("foo/" == FileUtils::get_parent_path("foo/bar"));
   REQUIRE("foo/" == FileUtils::get_parent_path("foo/bar/"));
   REQUIRE("/foo/" == FileUtils::get_parent_path("/foo/bar"));
   REQUIRE("/foo/" == FileUtils::get_parent_path("/foo/bar/"));
   REQUIRE("/" == FileUtils::get_parent_path("/foo"));
   REQUIRE("/" == FileUtils::get_parent_path("/foo/"));
   REQUIRE("" == FileUtils::get_parent_path("/"));
   REQUIRE("" == FileUtils::get_parent_path("//"));
 #endif
 }

 TEST_CASE("TestFileUtils::get_child_path", "[TestGetChildPath]") {
 #ifdef WIN32
   REQUIRE("bar" == FileUtils::get_child_path("foo\\bar"));
   REQUIRE("bar\\" == FileUtils::get_child_path("foo\\bar\\"));
   REQUIRE("bar" == FileUtils::get_child_path("C:\\foo\\bar"));
   REQUIRE("bar\\" == FileUtils::get_child_path("C:\\foo\\bar\\"));
   REQUIRE("foo" == FileUtils::get_child_path("C:\\foo"));
   REQUIRE("foo\\" == FileUtils::get_child_path("C:\\foo\\"));
   REQUIRE("" == FileUtils::get_child_path("C:\\"));
   REQUIRE("" == FileUtils::get_child_path("C:\\\\"));
 #else
   REQUIRE("bar" == FileUtils::get_child_path("foo/bar"));
   REQUIRE("bar/" == FileUtils::get_child_path("foo/bar/"));
   REQUIRE("bar" == FileUtils::get_child_path("/foo/bar"));
   REQUIRE("bar/" == FileUtils::get_child_path("/foo/bar/"));
   REQUIRE("foo" == FileUtils::get_child_path("/foo"));
   REQUIRE("foo/" == FileUtils::get_child_path("/foo/"));
   REQUIRE("" == FileUtils::get_child_path("/"));
   REQUIRE("" == FileUtils::get_child_path("//"));
 #endif
 }

 TEST_CASE("TestFilePath", "[TestGetFileNameAndPath]") {
   SECTION("VALID FILE AND PATH") {
   std::stringstream path;
   path << "a" << FileUtils::get_separator() << "b" << FileUtils::get_separator() << "c";
   std::stringstream file;
   file << path.str() << FileUtils::get_separator() << "file";
   std::string filename, filepath;
   REQUIRE(true == utils::file::getFileNameAndPath(file.str(), filepath, filename) );
   REQUIRE(path.str() == filepath);
   REQUIRE("file" == filename);
 }
 SECTION("NO FILE VALID PATH") {
   std::stringstream path;
   path << "a" << FileUtils::get_separator() << "b" << FileUtils::get_separator() << "c" << FileUtils::get_separator();
   std::string filename, filepath;
   REQUIRE(false == utils::file::getFileNameAndPath(path.str(), filepath, filename) );
   REQUIRE(filepath.empty());
   REQUIRE(filename.empty());
 }
 SECTION("FILE NO PATH") {
   std::stringstream path;
   path << FileUtils::get_separator() << "file";
   std::string filename, filepath;
   std::string expectedPath;
   expectedPath += FileUtils::get_separator();
   REQUIRE(true == utils::file::getFileNameAndPath(path.str(), filepath, filename) );
   REQUIRE(expectedPath == filepath);
   REQUIRE("file" == filename);
 }
 SECTION("NO FILE NO PATH") {
   std::string path = "file";
   std::string filename, filepath;
   REQUIRE(false == utils::file::getFileNameAndPath(path, filepath, filename) );
   REQUIRE(filepath.empty());
   REQUIRE(filename.empty());
 }
 }

 TEST_CASE("TestFileUtils::get_executable_path", "[TestGetExecutablePath]") {
   std::string executable_path = FileUtils::get_executable_path();
   std::cerr << "Executable path: " << executable_path << std::endl;
   REQUIRE(0U < executable_path.size());
 }

 TEST_CASE("TestFileUtils::get_executable_dir", "[TestGetExecutableDir]") {
   std::string executable_path = FileUtils::get_executable_path();
   std::string executable_dir = FileUtils::get_executable_dir();
   REQUIRE(0U < executable_dir.size());
   std::cerr << "Executable dir: " << executable_dir << std::endl;
   REQUIRE(FileUtils::get_parent_path(executable_path) == executable_dir);
 }

 TEST_CASE("TestFileUtils::create_dir", "[TestCreateDir]") {
   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   auto dir = testController.createTempDirectory(format);

   std::string test_dir_path = std::string(dir) + FileUtils::get_separator() + "random_dir";

   REQUIRE(FileUtils::create_dir(test_dir_path, false) == 0);  // Dir has to be created successfully
   struct stat buffer;
   REQUIRE(stat(test_dir_path.c_str(), &buffer) == 0);  // Check if directory exists
   REQUIRE(FileUtils::create_dir(test_dir_path, false) == 0);  // Dir already exists, success should be returned
   REQUIRE(FileUtils::delete_dir(test_dir_path, false) == 0);  // Delete should be successful as well
   test_dir_path += "/random_dir2";
   REQUIRE(FileUtils::create_dir(test_dir_path, false) != 0);  // Create dir should fail for multiple directories if recursive option is not set
 }

 TEST_CASE("TestFileUtils::create_dir recursively", "[TestCreateDir]") {
   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   auto dir = testController.createTempDirectory(format);

   std::string test_dir_path = std::string(dir) + FileUtils::get_separator() + "random_dir" + FileUtils::get_separator() +
     "random_dir2" + FileUtils::get_separator() + "random_dir3";

   REQUIRE(FileUtils::create_dir(test_dir_path) == 0);  // Dir has to be created successfully
   struct stat buffer;
   REQUIRE(stat(test_dir_path.c_str(), &buffer) == 0);  // Check if directory exists
   REQUIRE(FileUtils::create_dir(test_dir_path) == 0);  // Dir already exists, success should be returned
   REQUIRE(FileUtils::delete_dir(test_dir_path) == 0);  // Delete should be successful as well
 }

 TEST_CASE("TestFileUtils::getFullPath", "[TestGetFullPath]") {
   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   const std::string tempDir = utils::file::getFullPath(testController.createTempDirectory(format));

   const std::string cwd = utils::Environment::getCurrentWorkingDirectory();

   REQUIRE(utils::Environment::setCurrentWorkingDirectory(tempDir.c_str()));
   const auto cwdGuard = gsl::finally([&cwd]() {
     utils::Environment::setCurrentWorkingDirectory(cwd.c_str());
   });

   const std::string tempDir1 = utils::file::FileUtils::concat_path(tempDir, "test1");
   const std::string tempDir2 = utils::file::FileUtils::concat_path(tempDir, "test2");
   REQUIRE(0 == utils::file::FileUtils::create_dir(tempDir1));
   REQUIRE(0 == utils::file::FileUtils::create_dir(tempDir2));

   REQUIRE(tempDir1 == utils::file::getFullPath(tempDir1));
   REQUIRE(tempDir1 == utils::file::getFullPath("test1"));
   REQUIRE(tempDir1 == utils::file::getFullPath("./test1"));
   REQUIRE(tempDir1 == utils::file::getFullPath("././test1"));
   REQUIRE(tempDir1 == utils::file::getFullPath("./test2/../test1"));
 #ifdef WIN32
   REQUIRE(tempDir1 == utils::file::getFullPath(".\\test1"));
   REQUIRE(tempDir1 == utils::file::getFullPath(".\\.\\test1"));
   REQUIRE(tempDir1 == utils::file::getFullPath(".\\test2\\..\\test1"));
 #endif
 }

 TEST_CASE("FileUtils::last_write_time and last_write_time_point work", "[last_write_time][last_write_time_point]") {
   using namespace std::chrono;

   uint64_t time_before_write = utils::timeutils::getTimeMillis() / 1000;
   time_point<system_clock, seconds> time_point_before_write = time_point_cast<seconds>(system_clock::now());

   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   std::string dir = testController.createTempDirectory(format);

   std::string test_file = dir + FileUtils::get_separator() + "test.txt";
   REQUIRE(FileUtils::last_write_time(test_file) == 0);
   REQUIRE(FileUtils::last_write_time_point(test_file) == (time_point<system_clock, seconds>{}));

   std::ofstream test_file_stream(test_file);
   test_file_stream << "foo\n";
   test_file_stream.flush();

   uint64_t time_after_first_write = utils::timeutils::getTimeMillis() / 1000;
   time_point<system_clock, seconds> time_point_after_first_write = time_point_cast<seconds>(system_clock::now());

   uint64_t first_mtime = FileUtils::last_write_time(test_file);
   REQUIRE(first_mtime >= time_before_write);
   REQUIRE(first_mtime <= time_after_first_write);

   time_point<system_clock, seconds> first_mtime_time_point = FileUtils::last_write_time_point(test_file);
   REQUIRE(first_mtime_time_point >= time_point_before_write);
   REQUIRE(first_mtime_time_point <= time_point_after_first_write);

   test_file_stream << "bar\n";
   test_file_stream.flush();

   uint64_t time_after_second_write = utils::timeutils::getTimeMillis() / 1000;
   time_point<system_clock, seconds> time_point_after_second_write = time_point_cast<seconds>(system_clock::now());

   uint64_t second_mtime = FileUtils::last_write_time(test_file);
   REQUIRE(second_mtime >= first_mtime);
   REQUIRE(second_mtime >= time_after_first_write);
   REQUIRE(second_mtime <= time_after_second_write);

   time_point<system_clock, seconds> second_mtime_time_point = FileUtils::last_write_time_point(test_file);
   REQUIRE(second_mtime_time_point >= first_mtime_time_point);
   REQUIRE(second_mtime_time_point >= time_point_after_first_write);
   REQUIRE(second_mtime_time_point <= time_point_after_second_write);

   test_file_stream.close();
   uint64_t third_mtime = FileUtils::last_write_time(test_file);
   REQUIRE(third_mtime == second_mtime);

   time_point<system_clock, seconds> third_mtime_time_point = FileUtils::last_write_time_point(test_file);
   REQUIRE(third_mtime_time_point == second_mtime_time_point);
 }

 TEST_CASE("FileUtils::file_size works", "[file_size]") {
   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   std::string dir = testController.createTempDirectory(format);

   std::string test_file = dir + FileUtils::get_separator() + "test.txt";
   REQUIRE(FileUtils::file_size(test_file) == 0);

   std::ofstream test_file_stream(test_file, std::ios::out | std::ios::binary);
   test_file_stream << "foo\n";
   test_file_stream.flush();

   REQUIRE(FileUtils::file_size(test_file) == 4);

   test_file_stream << "foobar\n";
   test_file_stream.flush();

   REQUIRE(FileUtils::file_size(test_file) == 11);

   test_file_stream.close();

   REQUIRE(FileUtils::file_size(test_file) == 11);
 }

 TEST_CASE("FileUtils::computeChecksum works", "[computeChecksum]") {
   constexpr uint64_t CHECKSUM_OF_0_BYTES = 0u;
   constexpr uint64_t CHECKSUM_OF_4_BYTES = 2117232040u;
   constexpr uint64_t CHECKSUM_OF_11_BYTES = 3461392622u;

   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   std::string dir = testController.createTempDirectory(format);

   std::string test_file = dir + FileUtils::get_separator() + "test.txt";
   REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

   std::ofstream test_file_stream{test_file, std::ios::out | std::ios::binary};
   test_file_stream << "foo\n";
   test_file_stream.flush();

   REQUIRE(FileUtils::computeChecksum(test_file, 4) == CHECKSUM_OF_4_BYTES);

   test_file_stream << "foobar\n";
   test_file_stream.flush();

   REQUIRE(FileUtils::computeChecksum(test_file, 11) == CHECKSUM_OF_11_BYTES);

   test_file_stream.close();

   REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);
   REQUIRE(FileUtils::computeChecksum(test_file, 4) == CHECKSUM_OF_4_BYTES);
   REQUIRE(FileUtils::computeChecksum(test_file, 11) == CHECKSUM_OF_11_BYTES);


   std::string another_file = dir + FileUtils::get_separator() + "another_test.txt";
   REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

   std::ofstream another_file_stream{another_file, std::ios::out | std::ios::binary};
   another_file_stream << "foo\nfoobar\nbaz\n";   // starts with the same bytes as test_file
   another_file_stream.close();

   REQUIRE(FileUtils::computeChecksum(another_file, 0) == CHECKSUM_OF_0_BYTES);
   REQUIRE(FileUtils::computeChecksum(another_file, 4) == CHECKSUM_OF_4_BYTES);
   REQUIRE(FileUtils::computeChecksum(another_file, 11) == CHECKSUM_OF_11_BYTES);
 }

 TEST_CASE("FileUtils::computeChecksum with large files", "[computeChecksum]") {
   constexpr uint64_t CHECKSUM_OF_0_BYTES = 0u;
   constexpr uint64_t CHECKSUM_OF_4095_BYTES = 1902799545u;
   constexpr uint64_t CHECKSUM_OF_4096_BYTES = 1041266625u;
   constexpr uint64_t CHECKSUM_OF_4097_BYTES = 1619129554u;
   constexpr uint64_t CHECKSUM_OF_8192_BYTES = 305726917u;

   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   std::string dir = testController.createTempDirectory(format);

   std::string test_file = dir + FileUtils::get_separator() + "test.txt";
   REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

   std::ofstream test_file_stream{test_file, std::ios::out | std::ios::binary};
   test_file_stream << std::string(4096, 'x');
   test_file_stream.flush();

   REQUIRE(FileUtils::computeChecksum(test_file, 4095) == CHECKSUM_OF_4095_BYTES);
   REQUIRE(FileUtils::computeChecksum(test_file, 4096) == CHECKSUM_OF_4096_BYTES);

   test_file_stream << 'x';
   test_file_stream.flush();

   REQUIRE(FileUtils::computeChecksum(test_file, 4097) == CHECKSUM_OF_4097_BYTES);

   test_file_stream.close();

   REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);
   REQUIRE(FileUtils::computeChecksum(test_file, 4095) == CHECKSUM_OF_4095_BYTES);
   REQUIRE(FileUtils::computeChecksum(test_file, 4096) == CHECKSUM_OF_4096_BYTES);
   REQUIRE(FileUtils::computeChecksum(test_file, 4097) == CHECKSUM_OF_4097_BYTES);


   std::string another_file = dir + FileUtils::get_separator() + "another_test.txt";
   REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

   std::ofstream another_file_stream{another_file, std::ios::out | std::ios::binary};
   another_file_stream << std::string(8192, 'x');   // starts with the same bytes as test_file
   another_file_stream.close();

   REQUIRE(FileUtils::computeChecksum(another_file, 0) == CHECKSUM_OF_0_BYTES);
   REQUIRE(FileUtils::computeChecksum(another_file, 4095) == CHECKSUM_OF_4095_BYTES);
   REQUIRE(FileUtils::computeChecksum(another_file, 4096) == CHECKSUM_OF_4096_BYTES);
   REQUIRE(FileUtils::computeChecksum(another_file, 4097) == CHECKSUM_OF_4097_BYTES);
   REQUIRE(FileUtils::computeChecksum(another_file, 8192) == CHECKSUM_OF_8192_BYTES);
   REQUIRE(FileUtils::computeChecksum(another_file, 9000) == CHECKSUM_OF_8192_BYTES);
 }

 #ifndef WIN32
 TEST_CASE("FileUtils::set_permissions", "[TestSetPermissions]") {
   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   auto dir = testController.createTempDirectory(format);
   auto path = dir + FileUtils::get_separator() + "test_file.txt";
   std::ofstream outfile(path, std::ios::out | std::ios::binary);

   REQUIRE(FileUtils::set_permissions(path, 0644) == 0);
   uint32_t perms;
   REQUIRE(FileUtils::get_permissions(path, perms));
   REQUIRE(perms == 0644);
 }
 #endif

 TEST_CASE("FileUtils::exists", "[TestExists]") {
   TestController testController;

   char format[] = "/tmp/gt.XXXXXX";
   auto dir = testController.createTempDirectory(format);
   auto path = dir + FileUtils::get_separator() + "test_file.txt";
   std::ofstream outfile(path, std::ios::out | std::ios::binary);
   auto invalid_path = dir + FileUtils::get_separator() + "test_file2.txt";

   REQUIRE(FileUtils::exists(path));
   REQUIRE(!FileUtils::exists(invalid_path));
 }
	/**
	*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include <string>
	#include <vector>
	#include <cstdlib>
	#include <iostream>
	#include "../TestBase.h"
	#include "core/Core.h"
	#include "utils/file/FileUtils.h"
	#include "utils/file/PathUtils.h"
	#include "utils/gsl.h"
	#include "utils/Environment.h"
	#include "utils/TimeUtil.h"

	namespace FileUtils = org::apache::nifi::minifi::utils::file;

	TEST_CASE("TestFileUtils::concat_path", "[TestConcatPath]") {
	std::string child = "baz";
	#ifdef WIN32
	std::string base = "foo\\bar";
	REQUIRE("foo\\bar\\baz" == FileUtils::concat_path(base, child));
	#else
	std::string base = "foo/bar";
	REQUIRE("foo/bar/baz" == FileUtils::concat_path(base, child));
	#endif
	}

	TEST_CASE("TestFileUtils::get_parent_path", "[TestGetParentPath]") {
	#ifdef WIN32
	REQUIRE("foo\\" == FileUtils::get_parent_path("foo\\bar"));
	REQUIRE("foo\\" == FileUtils::get_parent_path("foo\\bar\\"));
	REQUIRE("C:\\foo\\" == FileUtils::get_parent_path("C:\\foo\\bar"));
	REQUIRE("C:\\foo\\" == FileUtils::get_parent_path("C:\\foo\\bar\\"));
	REQUIRE("C:\\" == FileUtils::get_parent_path("C:\\foo"));
	REQUIRE("C:\\" == FileUtils::get_parent_path("C:\\foo\\"));
	REQUIRE("" == FileUtils::get_parent_path("C:\\"));
	REQUIRE("" == FileUtils::get_parent_path("C:\\\\"));
	#else
	REQUIRE("foo/" == FileUtils::get_parent_path("foo/bar"));
	REQUIRE("foo/" == FileUtils::get_parent_path("foo/bar/"));
	REQUIRE("/foo/" == FileUtils::get_parent_path("/foo/bar"));
	REQUIRE("/foo/" == FileUtils::get_parent_path("/foo/bar/"));
	REQUIRE("/" == FileUtils::get_parent_path("/foo"));
	REQUIRE("/" == FileUtils::get_parent_path("/foo/"));
	REQUIRE("" == FileUtils::get_parent_path("/"));
	REQUIRE("" == FileUtils::get_parent_path("//"));
	#endif
	}

	TEST_CASE("TestFileUtils::get_child_path", "[TestGetChildPath]") {
	#ifdef WIN32
	REQUIRE("bar" == FileUtils::get_child_path("foo\\bar"));
	REQUIRE("bar\\" == FileUtils::get_child_path("foo\\bar\\"));
	REQUIRE("bar" == FileUtils::get_child_path("C:\\foo\\bar"));
	REQUIRE("bar\\" == FileUtils::get_child_path("C:\\foo\\bar\\"));
	REQUIRE("foo" == FileUtils::get_child_path("C:\\foo"));
	REQUIRE("foo\\" == FileUtils::get_child_path("C:\\foo\\"));
	REQUIRE("" == FileUtils::get_child_path("C:\\"));
	REQUIRE("" == FileUtils::get_child_path("C:\\\\"));
	#else
	REQUIRE("bar" == FileUtils::get_child_path("foo/bar"));
	REQUIRE("bar/" == FileUtils::get_child_path("foo/bar/"));
	REQUIRE("bar" == FileUtils::get_child_path("/foo/bar"));
	REQUIRE("bar/" == FileUtils::get_child_path("/foo/bar/"));
	REQUIRE("foo" == FileUtils::get_child_path("/foo"));
	REQUIRE("foo/" == FileUtils::get_child_path("/foo/"));
	REQUIRE("" == FileUtils::get_child_path("/"));
	REQUIRE("" == FileUtils::get_child_path("//"));
	#endif
	}

	TEST_CASE("TestFilePath", "[TestGetFileNameAndPath]") {
	SECTION("VALID FILE AND PATH") {
	std::stringstream path;
	path << "a" << FileUtils::get_separator() << "b" << FileUtils::get_separator() << "c";
	std::stringstream file;
	file << path.str() << FileUtils::get_separator() << "file";
	std::string filename, filepath;
	REQUIRE(true == utils::file::getFileNameAndPath(file.str(), filepath, filename) );
	REQUIRE(path.str() == filepath);
	REQUIRE("file" == filename);
	}
	SECTION("NO FILE VALID PATH") {
	std::stringstream path;
	path << "a" << FileUtils::get_separator() << "b" << FileUtils::get_separator() << "c" << FileUtils::get_separator();
	std::string filename, filepath;
	REQUIRE(false == utils::file::getFileNameAndPath(path.str(), filepath, filename) );
	REQUIRE(filepath.empty());
	REQUIRE(filename.empty());
	}
	SECTION("FILE NO PATH") {
	std::stringstream path;
	path << FileUtils::get_separator() << "file";
	std::string filename, filepath;
	std::string expectedPath;
	expectedPath += FileUtils::get_separator();
	REQUIRE(true == utils::file::getFileNameAndPath(path.str(), filepath, filename) );
	REQUIRE(expectedPath == filepath);
	REQUIRE("file" == filename);
	}
	SECTION("NO FILE NO PATH") {
	std::string path = "file";
	std::string filename, filepath;
	REQUIRE(false == utils::file::getFileNameAndPath(path, filepath, filename) );
	REQUIRE(filepath.empty());
	REQUIRE(filename.empty());
	}
	}

	TEST_CASE("TestFileUtils::get_executable_path", "[TestGetExecutablePath]") {
	std::string executable_path = FileUtils::get_executable_path();
	std::cerr << "Executable path: " << executable_path << std::endl;
	REQUIRE(0U < executable_path.size());
	}

	TEST_CASE("TestFileUtils::get_executable_dir", "[TestGetExecutableDir]") {
	std::string executable_path = FileUtils::get_executable_path();
	std::string executable_dir = FileUtils::get_executable_dir();
	REQUIRE(0U < executable_dir.size());
	std::cerr << "Executable dir: " << executable_dir << std::endl;
	REQUIRE(FileUtils::get_parent_path(executable_path) == executable_dir);
	}

	TEST_CASE("TestFileUtils::create_dir", "[TestCreateDir]") {
	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	auto dir = testController.createTempDirectory(format);

	std::string test_dir_path = std::string(dir) + FileUtils::get_separator() + "random_dir";

	REQUIRE(FileUtils::create_dir(test_dir_path, false) == 0); // Dir has to be created successfully
	struct stat buffer;
	REQUIRE(stat(test_dir_path.c_str(), &buffer) == 0); // Check if directory exists
	REQUIRE(FileUtils::create_dir(test_dir_path, false) == 0); // Dir already exists, success should be returned
	REQUIRE(FileUtils::delete_dir(test_dir_path, false) == 0); // Delete should be successful as well
	test_dir_path += "/random_dir2";
	REQUIRE(FileUtils::create_dir(test_dir_path, false) != 0); // Create dir should fail for multiple directories if recursive option is not set
	}

	TEST_CASE("TestFileUtils::create_dir recursively", "[TestCreateDir]") {
	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	auto dir = testController.createTempDirectory(format);

	std::string test_dir_path = std::string(dir) + FileUtils::get_separator() + "random_dir" + FileUtils::get_separator() +
	"random_dir2" + FileUtils::get_separator() + "random_dir3";

	REQUIRE(FileUtils::create_dir(test_dir_path) == 0); // Dir has to be created successfully
	struct stat buffer;
	REQUIRE(stat(test_dir_path.c_str(), &buffer) == 0); // Check if directory exists
	REQUIRE(FileUtils::create_dir(test_dir_path) == 0); // Dir already exists, success should be returned
	REQUIRE(FileUtils::delete_dir(test_dir_path) == 0); // Delete should be successful as well
	}

	TEST_CASE("TestFileUtils::getFullPath", "[TestGetFullPath]") {
	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	const std::string tempDir = utils::file::getFullPath(testController.createTempDirectory(format));

	const std::string cwd = utils::Environment::getCurrentWorkingDirectory();

	REQUIRE(utils::Environment::setCurrentWorkingDirectory(tempDir.c_str()));
	const auto cwdGuard = gsl::finally([&cwd]() {
	utils::Environment::setCurrentWorkingDirectory(cwd.c_str());
	});

	const std::string tempDir1 = utils::file::FileUtils::concat_path(tempDir, "test1");
	const std::string tempDir2 = utils::file::FileUtils::concat_path(tempDir, "test2");
	REQUIRE(0 == utils::file::FileUtils::create_dir(tempDir1));
	REQUIRE(0 == utils::file::FileUtils::create_dir(tempDir2));

	REQUIRE(tempDir1 == utils::file::getFullPath(tempDir1));
	REQUIRE(tempDir1 == utils::file::getFullPath("test1"));
	REQUIRE(tempDir1 == utils::file::getFullPath("./test1"));
	REQUIRE(tempDir1 == utils::file::getFullPath("././test1"));
	REQUIRE(tempDir1 == utils::file::getFullPath("./test2/../test1"));
	#ifdef WIN32
	REQUIRE(tempDir1 == utils::file::getFullPath(".\\test1"));
	REQUIRE(tempDir1 == utils::file::getFullPath(".\\.\\test1"));
	REQUIRE(tempDir1 == utils::file::getFullPath(".\\test2\\..\\test1"));
	#endif
	}

	TEST_CASE("FileUtils::last_write_time and last_write_time_point work", "[last_write_time][last_write_time_point]") {
	using namespace std::chrono;

	uint64_t time_before_write = utils::timeutils::getTimeMillis() / 1000;
	time_point<system_clock, seconds> time_point_before_write = time_point_cast<seconds>(system_clock::now());

	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	std::string dir = testController.createTempDirectory(format);

	std::string test_file = dir + FileUtils::get_separator() + "test.txt";
	REQUIRE(FileUtils::last_write_time(test_file) == 0);
	REQUIRE(FileUtils::last_write_time_point(test_file) == (time_point<system_clock, seconds>{}));

	std::ofstream test_file_stream(test_file);
	test_file_stream << "foo\n";
	test_file_stream.flush();

	uint64_t time_after_first_write = utils::timeutils::getTimeMillis() / 1000;
	time_point<system_clock, seconds> time_point_after_first_write = time_point_cast<seconds>(system_clock::now());

	uint64_t first_mtime = FileUtils::last_write_time(test_file);
	REQUIRE(first_mtime >= time_before_write);
	REQUIRE(first_mtime <= time_after_first_write);

	time_point<system_clock, seconds> first_mtime_time_point = FileUtils::last_write_time_point(test_file);
	REQUIRE(first_mtime_time_point >= time_point_before_write);
	REQUIRE(first_mtime_time_point <= time_point_after_first_write);

	test_file_stream << "bar\n";
	test_file_stream.flush();

	uint64_t time_after_second_write = utils::timeutils::getTimeMillis() / 1000;
	time_point<system_clock, seconds> time_point_after_second_write = time_point_cast<seconds>(system_clock::now());

	uint64_t second_mtime = FileUtils::last_write_time(test_file);
	REQUIRE(second_mtime >= first_mtime);
	REQUIRE(second_mtime >= time_after_first_write);
	REQUIRE(second_mtime <= time_after_second_write);

	time_point<system_clock, seconds> second_mtime_time_point = FileUtils::last_write_time_point(test_file);
	REQUIRE(second_mtime_time_point >= first_mtime_time_point);
	REQUIRE(second_mtime_time_point >= time_point_after_first_write);
	REQUIRE(second_mtime_time_point <= time_point_after_second_write);

	test_file_stream.close();
	uint64_t third_mtime = FileUtils::last_write_time(test_file);
	REQUIRE(third_mtime == second_mtime);

	time_point<system_clock, seconds> third_mtime_time_point = FileUtils::last_write_time_point(test_file);
	REQUIRE(third_mtime_time_point == second_mtime_time_point);
	}

	TEST_CASE("FileUtils::file_size works", "[file_size]") {
	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	std::string dir = testController.createTempDirectory(format);

	std::string test_file = dir + FileUtils::get_separator() + "test.txt";
	REQUIRE(FileUtils::file_size(test_file) == 0);

	std::ofstream test_file_stream(test_file, std::ios::out \| std::ios::binary);
	test_file_stream << "foo\n";
	test_file_stream.flush();

	REQUIRE(FileUtils::file_size(test_file) == 4);

	test_file_stream << "foobar\n";
	test_file_stream.flush();

	REQUIRE(FileUtils::file_size(test_file) == 11);

	test_file_stream.close();

	REQUIRE(FileUtils::file_size(test_file) == 11);
	}

	TEST_CASE("FileUtils::computeChecksum works", "[computeChecksum]") {
	constexpr uint64_t CHECKSUM_OF_0_BYTES = 0u;
	constexpr uint64_t CHECKSUM_OF_4_BYTES = 2117232040u;
	constexpr uint64_t CHECKSUM_OF_11_BYTES = 3461392622u;

	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	std::string dir = testController.createTempDirectory(format);

	std::string test_file = dir + FileUtils::get_separator() + "test.txt";
	REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

	std::ofstream test_file_stream{test_file, std::ios::out \| std::ios::binary};
	test_file_stream << "foo\n";
	test_file_stream.flush();

	REQUIRE(FileUtils::computeChecksum(test_file, 4) == CHECKSUM_OF_4_BYTES);

	test_file_stream << "foobar\n";
	test_file_stream.flush();

	REQUIRE(FileUtils::computeChecksum(test_file, 11) == CHECKSUM_OF_11_BYTES);

	test_file_stream.close();

	REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);
	REQUIRE(FileUtils::computeChecksum(test_file, 4) == CHECKSUM_OF_4_BYTES);
	REQUIRE(FileUtils::computeChecksum(test_file, 11) == CHECKSUM_OF_11_BYTES);


	std::string another_file = dir + FileUtils::get_separator() + "another_test.txt";
	REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

	std::ofstream another_file_stream{another_file, std::ios::out \| std::ios::binary};
	another_file_stream << "foo\nfoobar\nbaz\n"; // starts with the same bytes as test_file
	another_file_stream.close();

	REQUIRE(FileUtils::computeChecksum(another_file, 0) == CHECKSUM_OF_0_BYTES);
	REQUIRE(FileUtils::computeChecksum(another_file, 4) == CHECKSUM_OF_4_BYTES);
	REQUIRE(FileUtils::computeChecksum(another_file, 11) == CHECKSUM_OF_11_BYTES);
	}

	TEST_CASE("FileUtils::computeChecksum with large files", "[computeChecksum]") {
	constexpr uint64_t CHECKSUM_OF_0_BYTES = 0u;
	constexpr uint64_t CHECKSUM_OF_4095_BYTES = 1902799545u;
	constexpr uint64_t CHECKSUM_OF_4096_BYTES = 1041266625u;
	constexpr uint64_t CHECKSUM_OF_4097_BYTES = 1619129554u;
	constexpr uint64_t CHECKSUM_OF_8192_BYTES = 305726917u;

	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	std::string dir = testController.createTempDirectory(format);

	std::string test_file = dir + FileUtils::get_separator() + "test.txt";
	REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

	std::ofstream test_file_stream{test_file, std::ios::out \| std::ios::binary};
	test_file_stream << std::string(4096, 'x');
	test_file_stream.flush();

	REQUIRE(FileUtils::computeChecksum(test_file, 4095) == CHECKSUM_OF_4095_BYTES);
	REQUIRE(FileUtils::computeChecksum(test_file, 4096) == CHECKSUM_OF_4096_BYTES);

	test_file_stream << 'x';
	test_file_stream.flush();

	REQUIRE(FileUtils::computeChecksum(test_file, 4097) == CHECKSUM_OF_4097_BYTES);

	test_file_stream.close();

	REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);
	REQUIRE(FileUtils::computeChecksum(test_file, 4095) == CHECKSUM_OF_4095_BYTES);
	REQUIRE(FileUtils::computeChecksum(test_file, 4096) == CHECKSUM_OF_4096_BYTES);
	REQUIRE(FileUtils::computeChecksum(test_file, 4097) == CHECKSUM_OF_4097_BYTES);


	std::string another_file = dir + FileUtils::get_separator() + "another_test.txt";
	REQUIRE(FileUtils::computeChecksum(test_file, 0) == CHECKSUM_OF_0_BYTES);

	std::ofstream another_file_stream{another_file, std::ios::out \| std::ios::binary};
	another_file_stream << std::string(8192, 'x'); // starts with the same bytes as test_file
	another_file_stream.close();

	REQUIRE(FileUtils::computeChecksum(another_file, 0) == CHECKSUM_OF_0_BYTES);
	REQUIRE(FileUtils::computeChecksum(another_file, 4095) == CHECKSUM_OF_4095_BYTES);
	REQUIRE(FileUtils::computeChecksum(another_file, 4096) == CHECKSUM_OF_4096_BYTES);
	REQUIRE(FileUtils::computeChecksum(another_file, 4097) == CHECKSUM_OF_4097_BYTES);
	REQUIRE(FileUtils::computeChecksum(another_file, 8192) == CHECKSUM_OF_8192_BYTES);
	REQUIRE(FileUtils::computeChecksum(another_file, 9000) == CHECKSUM_OF_8192_BYTES);
	}

	#ifndef WIN32
	TEST_CASE("FileUtils::set_permissions", "[TestSetPermissions]") {
	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	auto dir = testController.createTempDirectory(format);
	auto path = dir + FileUtils::get_separator() + "test_file.txt";
	std::ofstream outfile(path, std::ios::out \| std::ios::binary);

	REQUIRE(FileUtils::set_permissions(path, 0644) == 0);
	uint32_t perms;
	REQUIRE(FileUtils::get_permissions(path, perms));
	REQUIRE(perms == 0644);
	}
	#endif

	TEST_CASE("FileUtils::exists", "[TestExists]") {
	TestController testController;

	char format[] = "/tmp/gt.XXXXXX";
	auto dir = testController.createTempDirectory(format);
	auto path = dir + FileUtils::get_separator() + "test_file.txt";
	std::ofstream outfile(path, std::ios::out \| std::ios::binary);
	auto invalid_path = dir + FileUtils::get_separator() + "test_file2.txt";

	REQUIRE(FileUtils::exists(path));
	REQUIRE(!FileUtils::exists(invalid_path));
	}