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// Copyright (C) 2020-2023 Joel Rosdahl and other contributors
//
// See doc/AUTHORS.adoc for a complete list of contributors.
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the Free Software Foundation, Inc., 51
// Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#include "../src/Stat.hpp"
#include "TestUtil.hpp"
#include <Util.hpp>
#include <core/wincompat.hpp>
#include <util/LockFile.hpp>
#include <util/file.hpp>
#include "third_party/doctest.h"
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
using namespace std::chrono_literals;
TEST_SUITE_BEGIN("LockFile");
using TestUtil::TestContext;
TEST_CASE("Acquire and release short-lived lock file")
{
TestContext test_context;
util::LockFile lock("test");
{
CHECK(!lock.acquired());
CHECK(!Stat::lstat("test.lock"));
CHECK(!Stat::lstat("test.alive"));
CHECK(lock.acquire());
CHECK(lock.acquired());
CHECK(Stat::lstat("test.alive"));
const auto st = Stat::lstat("test.lock");
CHECK(st);
#ifndef _WIN32
CHECK(st.is_symlink());
#else
CHECK(st.is_regular());
#endif
}
lock.release();
lock.release();
CHECK(!lock.acquired());
CHECK(!Stat::lstat("test.lock"));
CHECK(!Stat::lstat("test.alive"));
}
TEST_CASE("Acquire and release long-lived lock file")
{
TestContext test_context;
util::LongLivedLockFileManager lock_manager;
util::LockFile lock("test");
lock.make_long_lived(lock_manager);
{
CHECK(!lock.acquired());
CHECK(!Stat::lstat("test.lock"));
CHECK(!Stat::lstat("test.alive"));
CHECK(lock.acquire());
CHECK(lock.acquired());
#ifndef _WIN32
CHECK(Stat::lstat("test.alive"));
#endif
const auto st = Stat::lstat("test.lock");
CHECK(st);
#ifndef _WIN32
CHECK(st.is_symlink());
#else
CHECK(st.is_regular());
#endif
}
lock.release();
lock.release();
CHECK(!lock.acquired());
CHECK(!Stat::lstat("test.lock"));
CHECK(!Stat::lstat("test.alive"));
}
TEST_CASE("LockFile creates missing directories")
{
TestContext test_context;
util::LongLivedLockFileManager lock_manager;
util::LockFile lock("a/b/c/test");
lock.make_long_lived(lock_manager);
CHECK(lock.acquire());
CHECK(Stat::lstat("a/b/c/test.lock"));
}
#ifndef _WIN32
TEST_CASE("Break stale lock, blocking")
{
TestContext test_context;
util::write_file("test.alive", "");
const util::TimePoint long_time_ago(0, 0);
util::set_timestamps("test.alive", long_time_ago);
CHECK(symlink("foo", "test.lock") == 0);
util::LongLivedLockFileManager lock_manager;
util::LockFile lock("test");
lock.make_long_lived(lock_manager);
CHECK(lock.acquire());
}
TEST_CASE("Break stale lock, non-blocking")
{
TestContext test_context;
util::write_file("test.alive", "");
const util::TimePoint long_time_ago(0, 0);
util::set_timestamps("test.alive", long_time_ago);
CHECK(symlink("foo", "test.lock") == 0);
util::LongLivedLockFileManager lock_manager;
util::LockFile lock("test");
lock.make_long_lived(lock_manager);
CHECK(lock.try_acquire());
CHECK(lock.acquired());
}
#endif // !_WIN32
TEST_SUITE_END();
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