spdlog/tests/test_errors.cpp
2018-11-20 12:14:21 +02:00

122 lines
3.9 KiB
C++

/*
* This content is released under the MIT License as specified in https://raw.githubusercontent.com/gabime/spdlog/master/LICENSE
*/
#include "includes.h"
#include <iostream>
class failing_sink : public spdlog::sinks::base_sink<std::mutex>
{
public:
failing_sink() = default;
~failing_sink() final = default;
protected:
void sink_it_(const spdlog::details::log_msg &) final
{
throw std::runtime_error("some error happened during log");
}
void flush_() final
{
throw std::runtime_error("some error happened during flush");
}
};
TEST_CASE("default_error_handler", "[errors]]")
{
prepare_logdir();
std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("test-error", filename, true);
logger->set_pattern("%v");
logger->info("Test message {} {}", 1);
logger->info("Test message {}", 2);
logger->flush();
REQUIRE(file_contents(filename) == std::string("Test message 2\n"));
REQUIRE(count_lines(filename) == 1);
}
struct custom_ex
{
};
TEST_CASE("custom_error_handler", "[errors]]")
{
prepare_logdir();
std::string filename = "logs/simple_log.txt";
auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename, true);
logger->flush_on(spdlog::level::info);
logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
logger->info("Good message #1");
REQUIRE_THROWS_AS(logger->info("Bad format msg {} {}", "xxx"), custom_ex);
logger->info("Good message #2");
REQUIRE(count_lines(filename) == 2);
}
TEST_CASE("default_error_handler2", "[errors]]")
{
spdlog::drop_all();
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
REQUIRE_THROWS_AS(logger->info("Some message"), custom_ex);
}
TEST_CASE("flush_error_handler", "[errors]]")
{
spdlog::drop_all();
auto logger = spdlog::create<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
REQUIRE_THROWS_AS(logger->flush(), custom_ex);
}
TEST_CASE("async_error_handler", "[errors]]")
{
prepare_logdir();
std::string err_msg("log failed with some msg");
std::string filename = "logs/simple_async_log.txt";
{
spdlog::init_thread_pool(128, 1);
auto logger = spdlog::create_async<spdlog::sinks::basic_file_sink_mt>("logger", filename, true);
logger->set_error_handler([=](const std::string &) {
std::ofstream ofs("logs/custom_err.txt");
if (!ofs)
{
throw std::runtime_error("Failed open logs/custom_err.txt");
}
ofs << err_msg;
});
logger->info("Good message #1");
logger->info("Bad format msg {} {}", "xxx");
logger->info("Good message #2");
spdlog::drop("logger"); // force logger to drain the queue and shutdown
}
spdlog::init_thread_pool(128, 1);
REQUIRE(count_lines(filename) == 2);
REQUIRE(file_contents("logs/custom_err.txt") == err_msg);
}
// Make sure async error handler is executed
TEST_CASE("async_error_handler2", "[errors]]")
{
prepare_logdir();
std::string err_msg("This is async handler error message");
{
spdlog::init_thread_pool(128, 1);
auto logger = spdlog::create_async<failing_sink>("failed_logger");
logger->set_error_handler([=](const std::string &) {
std::ofstream ofs("logs/custom_err2.txt");
if (!ofs)
throw std::runtime_error("Failed open logs/custom_err2.txt");
ofs << err_msg;
});
logger->info("Hello failure");
spdlog::drop("failed_logger"); // force logger to drain the queue and shutdown
}
spdlog::init_thread_pool(128, 1);
REQUIRE(file_contents("logs/custom_err2.txt") == err_msg);
}