osm2pgsql/tests/common-cleanup.hpp

59 lines
1.3 KiB
C++

#ifndef OSM2PGSQL_TESTS_COMMON_CLEANUP_HPP
#define OSM2PGSQL_TESTS_COMMON_CLEANUP_HPP
/**
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This file is part of osm2pgsql (https://osm2pgsql.org/).
*
* Copyright (C) 2006-2024 by the osm2pgsql developer community.
* For a full list of authors see the git log.
*/
#include "format.hpp"
#include <filesystem>
#include <string>
namespace testing::cleanup {
/**
* RAII structure to remove a file upon destruction.
*
* Per default will also make sure that the file does not exist
* when it is constructed.
*/
class file_t
{
public:
file_t(std::string const &filename, bool remove_on_construct = true)
: m_filename(filename)
{
if (remove_on_construct) {
delete_file(false);
}
}
~file_t() noexcept { delete_file(true); }
private:
void delete_file(bool warn) const noexcept
{
if (m_filename.empty()) {
return;
}
std::error_code ec;
if (!std::filesystem::remove(m_filename, ec) && warn) {
fmt::print(stderr, "WARNING: Unable to remove \"{}\": {}\n",
m_filename, ec.message());
}
}
std::string m_filename;
};
} // namespace testing::cleanup
#endif // OSM2PGSQL_TESTS_COMMON_CLEANUP_HPP