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d03eb40c17
spdlog/tests/test_pattern_formatter.cpp
Massimiliano Riva d03eb40c17
Added Mapped Diagnostic Context (MDC) support (#2907) 
* Added Mapped Diagnostic Context (MDC) support

* Update include statement

* Optimize string creation

* Fix includes

* Fix padding rules in mdc empty case

* Add comment to describe the use of mdc formatter
2024-03-18 17:41:46 +02:00

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#include "includes.h"
#include "test_sink.h"
using spdlog::memory_buf_t;
using spdlog::details::to_string_view;
// log to str and return it
template <typename... Args>
static std::string log_to_str(const std::string &msg, const Args &...args) {
std::ostringstream oss;
auto oss_sink = std::make_shared<spdlog::sinks::ostream_sink_mt>(oss);
spdlog::logger oss_logger("pattern_tester", oss_sink);
oss_logger.set_level(spdlog::level::info);
oss_logger.set_formatter(
std::unique_ptr<spdlog::formatter>(new spdlog::pattern_formatter(args...)));
oss_logger.info(msg);
return oss.str();
}
TEST_CASE("custom eol", "[pattern_formatter]") {
std::string msg = "Hello custom eol test";
std::string eol = ";)";
REQUIRE(log_to_str(msg, "%v", spdlog::pattern_time_type::local, ";)") == msg + eol);
}
TEST_CASE("empty format", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "", spdlog::pattern_time_type::local, "").empty());
}
TEST_CASE("empty format2", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "", spdlog::pattern_time_type::local, "\n") == "\n");
}
TEST_CASE("level", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%l] %v", spdlog::pattern_time_type::local, "\n") ==
"[info] Some message\n");
}
TEST_CASE("short level", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%L] %v", spdlog::pattern_time_type::local, "\n") ==
"[I] Some message\n");
}
TEST_CASE("name", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester] Some message\n");
}
TEST_CASE("date MM/DD/YY ", "[pattern_formatter]") {
auto now_tm = spdlog::details::os::localtime();
std::stringstream oss;
oss << std::setfill('0') << std::setw(2) << now_tm.tm_mon + 1 << "/" << std::setw(2)
<< now_tm.tm_mday << "/" << std::setw(2) << (now_tm.tm_year + 1900) % 1000
<< " Some message\n";
REQUIRE(log_to_str("Some message", "%D %v", spdlog::pattern_time_type::local, "\n") ==
oss.str());
}
TEST_CASE("color range test1", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>(
"%^%v%$", spdlog::pattern_time_type::local, "\n");
memory_buf_t buf;
spdlog::fmt_lib::format_to(std::back_inserter(buf), "Hello");
memory_buf_t formatted;
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info,
spdlog::string_view_t(buf.data(), buf.size()));
formatter->format(msg, formatted);
REQUIRE(msg.color_range_start == 0);
REQUIRE(msg.color_range_end == 5);
REQUIRE(log_to_str("hello", "%^%v%$", spdlog::pattern_time_type::local, "\n") == "hello\n");
}
TEST_CASE("color range test2", "[pattern_formatter]") {
auto formatter =
std::make_shared<spdlog::pattern_formatter>("%^%$", spdlog::pattern_time_type::local, "\n");
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "");
memory_buf_t formatted;
formatter->format(msg, formatted);
REQUIRE(msg.color_range_start == 0);
REQUIRE(msg.color_range_end == 0);
REQUIRE(log_to_str("", "%^%$", spdlog::pattern_time_type::local, "\n") == "\n");
}
TEST_CASE("color range test3", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>("%^***%$");
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "ignored");
memory_buf_t formatted;
formatter->format(msg, formatted);
REQUIRE(msg.color_range_start == 0);
REQUIRE(msg.color_range_end == 3);
}
TEST_CASE("color range test4", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>(
"XX%^YYY%$", spdlog::pattern_time_type::local, "\n");
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "ignored");
memory_buf_t formatted;
formatter->format(msg, formatted);
REQUIRE(msg.color_range_start == 2);
REQUIRE(msg.color_range_end == 5);
REQUIRE(log_to_str("ignored", "XX%^YYY%$", spdlog::pattern_time_type::local, "\n") ==
"XXYYY\n");
}
TEST_CASE("color range test5", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>("**%^");
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "ignored");
memory_buf_t formatted;
formatter->format(msg, formatted);
REQUIRE(msg.color_range_start == 2);
REQUIRE(msg.color_range_end == 0);
}
TEST_CASE("color range test6", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>("**%$");
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "ignored");
memory_buf_t formatted;
formatter->format(msg, formatted);
REQUIRE(msg.color_range_start == 0);
REQUIRE(msg.color_range_end == 2);
}
//
// Test padding
//
TEST_CASE("level_left_padded", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%8l] %v", spdlog::pattern_time_type::local, "\n") ==
"[ info] Some message\n");
REQUIRE(log_to_str("Some message", "[%8!l] %v", spdlog::pattern_time_type::local, "\n") ==
"[ info] Some message\n");
}
TEST_CASE("level_right_padded", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%-8l] %v", spdlog::pattern_time_type::local, "\n") ==
"[info ] Some message\n");
REQUIRE(log_to_str("Some message", "[%-8!l] %v", spdlog::pattern_time_type::local, "\n") ==
"[info ] Some message\n");
}
TEST_CASE("level_center_padded", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%=8l] %v", spdlog::pattern_time_type::local, "\n") ==
"[ info ] Some message\n");
REQUIRE(log_to_str("Some message", "[%=8!l] %v", spdlog::pattern_time_type::local, "\n") ==
"[ info ] Some message\n");
}
TEST_CASE("short level_left_padded", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%3L] %v", spdlog::pattern_time_type::local, "\n") ==
"[ I] Some message\n");
REQUIRE(log_to_str("Some message", "[%3!L] %v", spdlog::pattern_time_type::local, "\n") ==
"[ I] Some message\n");
}
TEST_CASE("short level_right_padded", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%-3L] %v", spdlog::pattern_time_type::local, "\n") ==
"[I ] Some message\n");
REQUIRE(log_to_str("Some message", "[%-3!L] %v", spdlog::pattern_time_type::local, "\n") ==
"[I ] Some message\n");
}
TEST_CASE("short level_center_padded", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%=3L] %v", spdlog::pattern_time_type::local, "\n") ==
"[ I ] Some message\n");
REQUIRE(log_to_str("Some message", "[%=3!L] %v", spdlog::pattern_time_type::local, "\n") ==
"[ I ] Some message\n");
}
TEST_CASE("left_padded_short", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%3n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester] Some message\n");
REQUIRE(log_to_str("Some message", "[%3!n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pat] Some message\n");
}
TEST_CASE("right_padded_short", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%-3n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester] Some message\n");
REQUIRE(log_to_str("Some message", "[%-3!n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pat] Some message\n");
}
TEST_CASE("center_padded_short", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%=3n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester] Some message\n");
REQUIRE(log_to_str("Some message", "[%=3!n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pat] Some message\n");
}
TEST_CASE("left_padded_huge", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%-300n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester ] Some message\n");
REQUIRE(log_to_str("Some message", "[%-300!n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester ] Some message\n");
}
TEST_CASE("left_padded_max", "[pattern_formatter]") {
REQUIRE(log_to_str("Some message", "[%-64n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester ] Some message\n");
REQUIRE(log_to_str("Some message", "[%-64!n] %v", spdlog::pattern_time_type::local, "\n") ==
"[pattern_tester ] Some message\n");
}
// Test padding + truncate flag
TEST_CASE("paddinng_truncate", "[pattern_formatter]") {
REQUIRE(log_to_str("123456", "%6!v", spdlog::pattern_time_type::local, "\n") == "123456\n");
REQUIRE(log_to_str("123456", "%5!v", spdlog::pattern_time_type::local, "\n") == "12345\n");
REQUIRE(log_to_str("123456", "%7!v", spdlog::pattern_time_type::local, "\n") == " 123456\n");
REQUIRE(log_to_str("123456", "%-6!v", spdlog::pattern_time_type::local, "\n") == "123456\n");
REQUIRE(log_to_str("123456", "%-5!v", spdlog::pattern_time_type::local, "\n") == "12345\n");
REQUIRE(log_to_str("123456", "%-7!v", spdlog::pattern_time_type::local, "\n") == "123456 \n");
REQUIRE(log_to_str("123456", "%=6!v", spdlog::pattern_time_type::local, "\n") == "123456\n");
REQUIRE(log_to_str("123456", "%=5!v", spdlog::pattern_time_type::local, "\n") == "12345\n");
REQUIRE(log_to_str("123456", "%=7!v", spdlog::pattern_time_type::local, "\n") == "123456 \n");
REQUIRE(log_to_str("123456", "%0!v", spdlog::pattern_time_type::local, "\n") == "\n");
}
TEST_CASE("padding_truncate_funcname", "[pattern_formatter]") {
spdlog::sinks::test_sink_st test_sink;
const char *pattern = "%v [%5!!]";
auto formatter = std::unique_ptr<spdlog::formatter>(new spdlog::pattern_formatter(pattern));
test_sink.set_formatter(std::move(formatter));
spdlog::details::log_msg msg1{spdlog::source_loc{"ignored", 1, "func"}, "test_logger",
spdlog::level::info, "message"};
test_sink.log(msg1);
REQUIRE(test_sink.lines()[0] == "message [ func]");
spdlog::details::log_msg msg2{spdlog::source_loc{"ignored", 1, "function"}, "test_logger",
spdlog::level::info, "message"};
test_sink.log(msg2);
REQUIRE(test_sink.lines()[1] == "message [funct]");
}
TEST_CASE("padding_funcname", "[pattern_formatter]") {
spdlog::sinks::test_sink_st test_sink;
const char *pattern = "%v [%10!]";
auto formatter = std::unique_ptr<spdlog::formatter>(new spdlog::pattern_formatter(pattern));
test_sink.set_formatter(std::move(formatter));
spdlog::details::log_msg msg1{spdlog::source_loc{"ignored", 1, "func"}, "test_logger",
spdlog::level::info, "message"};
test_sink.log(msg1);
REQUIRE(test_sink.lines()[0] == "message [ func]");
spdlog::details::log_msg msg2{spdlog::source_loc{"ignored", 1, "func567890123"}, "test_logger",
spdlog::level::info, "message"};
test_sink.log(msg2);
REQUIRE(test_sink.lines()[1] == "message [func567890123]");
}
TEST_CASE("clone-default-formatter", "[pattern_formatter]") {
auto formatter_1 = std::make_shared<spdlog::pattern_formatter>();
auto formatter_2 = formatter_1->clone();
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "some message");
memory_buf_t formatted_1;
memory_buf_t formatted_2;
formatter_1->format(msg, formatted_1);
formatter_2->format(msg, formatted_2);
REQUIRE(to_string_view(formatted_1) == to_string_view(formatted_2));
}
TEST_CASE("clone-default-formatter2", "[pattern_formatter]") {
auto formatter_1 = std::make_shared<spdlog::pattern_formatter>("%+");
auto formatter_2 = formatter_1->clone();
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "some message");
memory_buf_t formatted_1;
memory_buf_t formatted_2;
formatter_1->format(msg, formatted_1);
formatter_2->format(msg, formatted_2);
REQUIRE(to_string_view(formatted_1) == to_string_view(formatted_2));
}
TEST_CASE("clone-formatter", "[pattern_formatter]") {
auto formatter_1 = std::make_shared<spdlog::pattern_formatter>("%D %X [%] [%n] %v");
auto formatter_2 = formatter_1->clone();
std::string logger_name = "test";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "some message");
memory_buf_t formatted_1;
memory_buf_t formatted_2;
formatter_1->format(msg, formatted_1);
formatter_2->format(msg, formatted_2);
REQUIRE(to_string_view(formatted_1) == to_string_view(formatted_2));
}
TEST_CASE("clone-formatter-2", "[pattern_formatter]") {
using spdlog::pattern_time_type;
auto formatter_1 = std::make_shared<spdlog::pattern_formatter>(
"%D %X [%] [%n] %v", pattern_time_type::utc, "xxxxxx\n");
auto formatter_2 = formatter_1->clone();
std::string logger_name = "test2";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "some message");
memory_buf_t formatted_1;
memory_buf_t formatted_2;
formatter_1->format(msg, formatted_1);
formatter_2->format(msg, formatted_2);
REQUIRE(to_string_view(formatted_1) == to_string_view(formatted_2));
}
class custom_test_flag : public spdlog::custom_flag_formatter {
public:
explicit custom_test_flag(std::string txt)
: some_txt{std::move(txt)} {}
void format(const spdlog::details::log_msg &,
const std::tm &tm,
spdlog::memory_buf_t &dest) override {
if (some_txt == "throw_me") {
throw spdlog::spdlog_ex("custom_flag_exception_test");
} else if (some_txt == "time") {
auto formatted = spdlog::fmt_lib::format("{:d}:{:02d}{:s}", tm.tm_hour % 12, tm.tm_min,
tm.tm_hour / 12 ? "PM" : "AM");
dest.append(formatted.data(), formatted.data() + formatted.size());
return;
}
some_txt = std::string(padinfo_.width_, ' ') + some_txt;
dest.append(some_txt.data(), some_txt.data() + some_txt.size());
}
spdlog::details::padding_info get_padding_info() { return padinfo_; }
std::string some_txt;
std::unique_ptr<custom_flag_formatter> clone() const override {
return spdlog::details::make_unique<custom_test_flag>(some_txt);
}
};
// test clone with custom flag formatters
TEST_CASE("clone-custom_formatter", "[pattern_formatter]") {
auto formatter_1 = std::make_shared<spdlog::pattern_formatter>();
formatter_1->add_flag<custom_test_flag>('t', "custom_output").set_pattern("[%n] [%t] %v");
auto formatter_2 = formatter_1->clone();
std::string logger_name = "logger-name";
spdlog::details::log_msg msg(logger_name, spdlog::level::info, "some message");
memory_buf_t formatted_1;
memory_buf_t formatted_2;
formatter_1->format(msg, formatted_1);
formatter_2->format(msg, formatted_2);
auto expected = spdlog::fmt_lib::format("[logger-name] [custom_output] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted_1) == expected);
REQUIRE(to_string_view(formatted_2) == expected);
}
//
// Test source location formatting
//
#ifdef _WIN32
static const char *const test_path = "\\a\\b\\c/myfile.cpp";
#else
static const char *const test_path = "/a/b//myfile.cpp";
#endif
TEST_CASE("short filename formatter-1", "[pattern_formatter]") {
spdlog::pattern_formatter formatter("%s", spdlog::pattern_time_type::local, "");
memory_buf_t formatted;
std::string logger_name = "logger-name";
spdlog::source_loc source_loc{test_path, 123, "some_func()"};
spdlog::details::log_msg msg(source_loc, "logger-name", spdlog::level::info, "Hello");
formatter.format(msg, formatted);
REQUIRE(to_string_view(formatted) == "myfile.cpp");
}
TEST_CASE("short filename formatter-2", "[pattern_formatter]") {
spdlog::pattern_formatter formatter("%s:%#", spdlog::pattern_time_type::local, "");
memory_buf_t formatted;
std::string logger_name = "logger-name";
spdlog::source_loc source_loc{"myfile.cpp", 123, "some_func()"};
spdlog::details::log_msg msg(source_loc, "logger-name", spdlog::level::info, "Hello");
formatter.format(msg, formatted);
REQUIRE(to_string_view(formatted) == "myfile.cpp:123");
}
TEST_CASE("short filename formatter-3", "[pattern_formatter]") {
spdlog::pattern_formatter formatter("%s %v", spdlog::pattern_time_type::local, "");
memory_buf_t formatted;
std::string logger_name = "logger-name";
spdlog::source_loc source_loc{"", 123, "some_func()"};
spdlog::details::log_msg msg(source_loc, "logger-name", spdlog::level::info, "Hello");
formatter.format(msg, formatted);
REQUIRE(to_string_view(formatted) == " Hello");
}
TEST_CASE("full filename formatter", "[pattern_formatter]") {
spdlog::pattern_formatter formatter("%g", spdlog::pattern_time_type::local, "");
memory_buf_t formatted;
std::string logger_name = "logger-name";
spdlog::source_loc source_loc{test_path, 123, "some_func()"};
spdlog::details::log_msg msg(source_loc, "logger-name", spdlog::level::info, "Hello");
formatter.format(msg, formatted);
REQUIRE(to_string_view(formatted) == test_path);
}
TEST_CASE("custom flags", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->add_flag<custom_test_flag>('t', "custom1")
.add_flag<custom_test_flag>('u', "custom2")
.set_pattern("[%n] [%t] [%u] %v");
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted);
auto expected = spdlog::fmt_lib::format("[logger-name] [custom1] [custom2] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted) == expected);
}
TEST_CASE("custom flags-padding", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->add_flag<custom_test_flag>('t', "custom1")
.add_flag<custom_test_flag>('u', "custom2")
.set_pattern("[%n] [%t] [%5u] %v");
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted);
auto expected = spdlog::fmt_lib::format("[logger-name] [custom1] [ custom2] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted) == expected);
}
TEST_CASE("custom flags-exception", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->add_flag<custom_test_flag>('t', "throw_me")
.add_flag<custom_test_flag>('u', "custom2")
.set_pattern("[%n] [%t] [%u] %v");
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
CHECK_THROWS_AS(formatter->format(msg, formatted), spdlog::spdlog_ex);
}
TEST_CASE("override need_localtime", "[pattern_formatter]") {
auto formatter =
std::make_shared<spdlog::pattern_formatter>(spdlog::pattern_time_type::local, "\n");
formatter->add_flag<custom_test_flag>('t', "time").set_pattern("%t> %v");
{
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted);
REQUIRE(to_string_view(formatted) == "0:00AM> some message\n");
}
{
formatter->need_localtime();
auto now_tm = spdlog::details::os::localtime();
std::stringstream oss;
oss << (now_tm.tm_hour % 12) << ":" << std::setfill('0') << std::setw(2) << now_tm.tm_min
<< (now_tm.tm_hour / 12 ? "PM" : "AM") << "> some message\n";
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted);
REQUIRE(to_string_view(formatted) == oss.str());
}
}
TEST_CASE("mdc formatter test-1", "[pattern_formatter]") {
spdlog::mdc::put("mdc_key_1", "mdc_value_1");
spdlog::mdc::put("mdc_key_2", "mdc_value_2");
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->set_pattern("[%n] [%l] [%&] %v");
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted);
auto expected = spdlog::fmt_lib::format(
"[logger-name] [info] [mdc_key_1:mdc_value_1 mdc_key_2:mdc_value_2] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted) == expected);
SECTION("Tear down") { spdlog::mdc::clear(); }
}
TEST_CASE("mdc formatter value update", "[pattern_formatter]") {
spdlog::mdc::put("mdc_key_1", "mdc_value_1");
spdlog::mdc::put("mdc_key_2", "mdc_value_2");
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->set_pattern("[%n] [%l] [%&] %v");
memory_buf_t formatted_1;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted_1);
auto expected = spdlog::fmt_lib::format(
"[logger-name] [info] [mdc_key_1:mdc_value_1 mdc_key_2:mdc_value_2] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted_1) == expected);
spdlog::mdc::put("mdc_key_1", "new_mdc_value_1");
memory_buf_t formatted_2;
formatter->format(msg, formatted_2);
expected = spdlog::fmt_lib::format(
"[logger-name] [info] [mdc_key_1:new_mdc_value_1 mdc_key_2:mdc_value_2] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted_2) == expected);
SECTION("Tear down") { spdlog::mdc::clear(); }
}
TEST_CASE("mdc different threads", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->set_pattern("[%n] [%l] [%&] %v");
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
memory_buf_t formatted_2;
auto lambda_1 = [formatter, msg]() {
spdlog::mdc::put("mdc_key", "thread_1_id");
memory_buf_t formatted;
formatter->format(msg, formatted);
auto expected =
spdlog::fmt_lib::format("[logger-name] [info] [mdc_key:thread_1_id] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted) == expected);
};
auto lambda_2 = [formatter, msg]() {
spdlog::mdc::put("mdc_key", "thread_2_id");
memory_buf_t formatted;
formatter->format(msg, formatted);
auto expected =
spdlog::fmt_lib::format("[logger-name] [info] [mdc_key:thread_2_id] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted) == expected);
};
std::thread thread_1(lambda_1);
std::thread thread_2(lambda_2);
thread_1.join();
thread_2.join();
SECTION("Tear down") { spdlog::mdc::clear(); }
}
TEST_CASE("mdc remove key", "[pattern_formatter]") {
spdlog::mdc::put("mdc_key_1", "mdc_value_1");
spdlog::mdc::put("mdc_key_2", "mdc_value_2");
spdlog::mdc::remove("mdc_key_1");
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->set_pattern("[%n] [%l] [%&] %v");
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted);
auto expected =
spdlog::fmt_lib::format("[logger-name] [info] [mdc_key_2:mdc_value_2] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted) == expected);
SECTION("Tear down") { spdlog::mdc::clear(); }
}
TEST_CASE("mdc empty", "[pattern_formatter]") {
auto formatter = std::make_shared<spdlog::pattern_formatter>();
formatter->set_pattern("[%n] [%l] [%&] %v");
memory_buf_t formatted;
spdlog::details::log_msg msg(spdlog::source_loc{}, "logger-name", spdlog::level::info,
"some message");
formatter->format(msg, formatted);
auto expected = spdlog::fmt_lib::format("[logger-name] [info] [] some message{}",
spdlog::details::os::default_eol);
REQUIRE(to_string_view(formatted) == expected);
SECTION("Tear down") { spdlog::mdc::clear(); }
}
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