spdlog/tests/test_file_logging.cpp
2019-03-29 14:46:31 +03:00

187 lines
5.8 KiB
C++

/*
* This content is released under the MIT License as specified in https://raw.githubusercontent.com/gabime/spdlog/master/LICENSE
*/
#include "includes.h"
TEST_CASE("simple_file_logger", "[simple_logger]]")
{
prepare_logdir();
std::string filename = "logs/simple_log";
auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename);
logger->set_pattern("%v");
logger->info("Test message {}", 1);
logger->info("Test message {}", 2);
logger->flush();
REQUIRE(file_contents(filename) == std::string("Test message 1\nTest message 2\n"));
REQUIRE(count_lines(filename) == 2);
}
TEST_CASE("flush_on", "[flush_on]]")
{
prepare_logdir();
std::string filename = "logs/simple_log";
auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename);
logger->set_pattern("%v");
logger->set_level(spdlog::level::trace);
logger->flush_on(spdlog::level::info);
logger->trace("Should not be flushed");
REQUIRE(count_lines(filename) == 0);
logger->info("Test message {}", 1);
logger->info("Test message {}", 2);
REQUIRE(file_contents(filename) == std::string("Should not be flushed\nTest message 1\nTest message 2\n"));
REQUIRE(count_lines(filename) == 3);
}
TEST_CASE("rotating_file_logger1", "[rotating_logger]]")
{
prepare_logdir();
size_t max_size = 1024 * 10;
std::string basename = "logs/rotating_log";
auto logger = spdlog::rotating_logger_mt("logger", basename, max_size, 0);
for (int i = 0; i < 10; ++i)
{
logger->info("Test message {}", i);
}
logger->flush();
auto filename = basename;
REQUIRE(count_lines(filename) == 10);
}
TEST_CASE("rotating_file_logger2", "[rotating_logger]]")
{
prepare_logdir();
size_t max_size = 1024 * 10;
std::string basename = "logs/rotating_log";
{
// make an initial logger to create the first output file
auto logger = spdlog::rotating_logger_mt("logger", basename, max_size, 2, true);
for (int i = 0; i < 10; ++i)
{
logger->info("Test message {}", i);
}
// drop causes the logger destructor to be called, which is required so the
// next logger can rename the first output file.
spdlog::drop(logger->name());
}
auto logger = spdlog::rotating_logger_mt("logger", basename, max_size, 2, true);
for (int i = 0; i < 10; ++i)
{
logger->info("Test message {}", i);
}
logger->flush();
auto filename = basename;
REQUIRE(count_lines(filename) == 10);
for (int i = 0; i < 1000; i++)
{
logger->info("Test message {}", i);
}
logger->flush();
REQUIRE(get_filesize(filename) <= max_size);
auto filename1 = basename + ".1";
REQUIRE(get_filesize(filename1) <= max_size);
}
TEST_CASE("daily_logger with dateonly calculator", "[daily_logger_dateonly]]")
{
using sink_type = spdlog::sinks::daily_file_sink<std::mutex, spdlog::sinks::daily_filename_calculator>;
prepare_logdir();
// calculate filename (time based)
std::string basename = "logs/daily_dateonly";
std::tm tm = spdlog::details::os::localtime();
fmt::memory_buffer w;
fmt::format_to(w, "{}_{:04d}-{:02d}-{:02d}", basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
auto logger = spdlog::create<sink_type>("logger", basename, 0, 0);
for (int i = 0; i < 10; ++i)
{
logger->info("Test message {}", i);
}
logger->flush();
auto filename = fmt::to_string(w);
REQUIRE(count_lines(filename) == 10);
}
struct custom_daily_file_name_calculator
{
static spdlog::filename_t calc_filename(const spdlog::filename_t &basename, const tm &now_tm)
{
fmt::memory_buffer w;
fmt::format_to(w, "{}{:04d}{:02d}{:02d}", basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday);
return fmt::to_string(w);
}
};
TEST_CASE("daily_logger with custom calculator", "[daily_logger_custom]]")
{
using sink_type = spdlog::sinks::daily_file_sink<std::mutex, custom_daily_file_name_calculator>;
prepare_logdir();
// calculate filename (time based)
std::string basename = "logs/daily_dateonly";
std::tm tm = spdlog::details::os::localtime();
fmt::memory_buffer w;
fmt::format_to(w, "{}{:04d}{:02d}{:02d}", basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
auto logger = spdlog::create<sink_type>("logger", basename, 0, 0);
for (int i = 0; i < 10; ++i)
{
logger->info("Test message {}", i);
}
logger->flush();
auto filename = fmt::to_string(w);
REQUIRE(count_lines(filename) == 10);
}
/*
* File name calculations
*/
TEST_CASE("rotating_file_sink::calc_filename1", "[rotating_file_sink]]")
{
auto filename = spdlog::sinks::rotating_file_sink_st::calc_filename("rotated.txt", 3);
REQUIRE(filename == "rotated.3.txt");
}
TEST_CASE("rotating_file_sink::calc_filename2", "[rotating_file_sink]]")
{
auto filename = spdlog::sinks::rotating_file_sink_st::calc_filename("rotated", 3);
REQUIRE(filename == "rotated.3");
}
TEST_CASE("rotating_file_sink::calc_filename3", "[rotating_file_sink]]")
{
auto filename = spdlog::sinks::rotating_file_sink_st::calc_filename("rotated.txt", 0);
REQUIRE(filename == "rotated.txt");
}
// regex supported only from gcc 4.9 and above
#if defined(_MSC_VER) || !(__GNUC__ <= 4 && __GNUC_MINOR__ < 9)
#include <regex>
TEST_CASE("daily_file_sink::daily_filename_calculator", "[daily_file_sink]]")
{
// daily_YYYY-MM-DD_hh-mm.txt
auto filename = spdlog::sinks::daily_filename_calculator::calc_filename("daily.txt", spdlog::details::os::localtime());
// date regex based on https://www.regular-expressions.info/dates.html
std::regex re(R"(^daily_(19|20)\d\d-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])\.txt$)");
std::smatch match;
REQUIRE(std::regex_match(filename, match, re));
}
#endif