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// Copyright Contributors to the DNF5 project.
// Copyright Contributors to the libdnf project.
// SPDX-License-Identifier: GPL-2.0-or-later
//
// This file is part of libdnf: https://github.com/rpm-software-management/libdnf/
//
// Libdnf 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 2 of the License, or
// (at your option) any later version.
//
// Libdnf 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 libdnf. If not, see <https://www.gnu.org/licenses/>.
#include "test_rotating_file_logger.hpp"
#include "libdnf5/utils/fs/file.hpp"
#include "libdnf5/utils/fs/temp.hpp"
#include <libdnf5/logger/rotating_file_logger.hpp>
using namespace std::chrono_literals;
using LogLevel = libdnf5::Logger::Level;
CPPUNIT_TEST_SUITE_REGISTRATION(RotatingFileLoggerTest);
void RotatingFileLoggerTest::setUp() {}
void RotatingFileLoggerTest::tearDown() {}
void RotatingFileLoggerTest::test() {
const char * const tz = "TZ=UTC";
putenv(const_cast<char *>(tz));
tzset();
auto msg_time = std::chrono::system_clock::from_time_t(1582604701); // "2020-02-25T04:25:01Z"
const pid_t pid = 25;
// ====================
// Expected contents of log files.
// ====================
const std::string expected_base_file_content = "2020-02-25T04:25:10+0000 [25] WARNING 9: Last message\n";
const std::string expected_rotated_file_1_content =
"2020-02-25T04:25:08+0000 [25] CRITICAL 7: Next message\n"
"2020-02-25T04:25:09+0000 [25] ERROR 8: And another message is here\n";
const std::string expected_rotated_file_2_content =
"2020-02-25T04:25:07+0000 [25] TRACE 6: Message longer than \"max\" logger file size. The logger file will "
"only contain this entire message. The message will not be truncated\n";
const std::string expected_rotated_file_3_content =
"2020-02-25T04:25:04+0000 [25] WARNING 3: Message\n"
"2020-02-25T04:25:05+0000 [25] NOTICE 4: Message\n"
"2020-02-25T04:25:06+0000 [25] INFO 5: Message\n";
// Create a directory for the log files.
libdnf5::utils::fs::TempDir temp_logdir("libdnf_unittest_rotating_logger");
// Create a path to the base log file.
const auto base_log_file_path = temp_logdir.get_path() / "rotated.log";
// ====================
// Create a RotatingFileLogger instance and write messages.
// ====================
{
constexpr std::size_t MAX_BYTES = 150;
constexpr std::size_t BACKUP_COUNT = 3;
libdnf5::RotatingFileLogger rotating_file_logger(base_log_file_path, MAX_BYTES, BACKUP_COUNT);
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::CRITICAL, "1: First message rotated out");
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::ERROR, "2: Secondth message rotated out");
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::WARNING, "3: Message");
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::NOTICE, "4: Message");
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::INFO, "5: Message");
rotating_file_logger.write(
msg_time += 1s,
pid,
LogLevel::TRACE,
"6: Message longer than \"max\" logger file size. The logger file will only contain this entire message. "
"The message will not be truncated");
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::CRITICAL, "7: Next message");
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::ERROR, "8: And another message is here");
rotating_file_logger.write(msg_time += 1s, pid, LogLevel::WARNING, "9: Last message");
}
// ====================
// Check content of logger files.
// ====================
auto read_content = libdnf5::utils::fs::File(base_log_file_path, "r").read();
CPPUNIT_ASSERT_EQUAL(expected_base_file_content, read_content);
read_content = libdnf5::utils::fs::File(base_log_file_path.string() + ".1", "r").read();
CPPUNIT_ASSERT_EQUAL(expected_rotated_file_1_content, read_content);
read_content = libdnf5::utils::fs::File(base_log_file_path.string() + ".2", "r").read();
CPPUNIT_ASSERT_EQUAL(expected_rotated_file_2_content, read_content);
read_content = libdnf5::utils::fs::File(base_log_file_path.string() + ".3", "r").read();
CPPUNIT_ASSERT_EQUAL(expected_rotated_file_3_content, read_content);
}
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