spdlog/tests/file_log.cpp
2015-05-15 21:56:06 +03:00

133 lines
3.1 KiB
C++

#include "includes.h"
static std::string file_contents(const std::string& filename)
{
std::ifstream ifs(filename);
if (!ifs)
throw std::runtime_error("Failed open file ");
return std::string((std::istreambuf_iterator<char>(ifs)),
(std::istreambuf_iterator<char>()));
}
static std::size_t count_lines(const std::string& filename)
{
std::ifstream ifs(filename);
if (!ifs)
throw std::runtime_error("Failed open file ");
std::string line;
size_t counter = 0;
while(std::getline(ifs, line))
counter++;
return counter;
}
std::ifstream::pos_type filesize(const std::string& filename)
{
std::ifstream ifs(filename, std::ifstream::ate | std::ifstream::binary);
if (!ifs)
throw std::runtime_error("Failed open file ");
return ifs.tellg();
}
static void prepare_logdir()
{
spdlog::drop_all();
#ifdef _WIN32
auto rv = system("del /F /Q logs\\*");
#else
auto rv = system("rm -f logs/*");
#endif
}
TEST_CASE("simple_file_logger", "[simple_logger]]")
{
prepare_logdir();
std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::simple_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("rotating_file_logger1", "[rotating_logger]]")
{
prepare_logdir();
std::string basename = "logs/rotating_log";
auto logger = spdlog::rotating_logger_mt("logger", basename, 1024, 0, true);
for (int i = 0; i < 10; ++i)
logger->info("Test message {}", i);
auto filename = basename + ".txt";
REQUIRE(count_lines(filename) == 10);
for (int i = 0; i < 1000; i++)
logger->info("Test message {}", i);
}
TEST_CASE("rotating_file_logger2", "[rotating_logger]]")
{
prepare_logdir();
std::string basename = "logs/rotating_log";
auto logger = spdlog::rotating_logger_mt("logger", basename, 1024, 1, false);
for (int i = 0; i < 10; ++i)
logger->info("Test message {}", i);
logger->flush();
auto filename = basename + ".txt";
REQUIRE(count_lines(filename) == 10);
for (int i = 0; i < 1000; i++)
logger->info("Test message {}", i);
logger->flush();
REQUIRE(filesize(filename) <= 1024);
auto filename1 = basename + ".1.txt";
REQUIRE(filesize(filename1) <= 1024);
}
TEST_CASE("daily_logger", "[daily_logger]]")
{
prepare_logdir();
//calculate filename (time based)
std::string basename = "logs/daily_log";
std::tm tm = spdlog::details::os::localtime();
fmt::MemoryWriter w;
w.write("{}_{:04d}-{:02d}-{:02d}_{:02d}-{:02d}.txt", basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min);
auto logger = spdlog::daily_logger_mt("logger", basename, 0, 0, true);
for (int i = 0; i < 10; ++i)
logger->info("Test message {}", i);
auto filename = w.str();
REQUIRE(count_lines(filename) == 10);
}