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Expand ringbuffer sink tests

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This commit is contained in:
Gabi Melman
2025-07-06 00:23:27 +03:00
parent 287333ee00
commit 0d5d8140ec
3 changed files with 57 additions and 2 deletions
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6
include/spdlog/sinks/ringbuffer_sink.h
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@@ -21,7 +21,11 @@ template <typename Mutex>
class ringbuffer_sink final : public base_sink<Mutex> {
public:
explicit ringbuffer_sink(size_t n_items)
: q_{n_items} {}
: q_{n_items} {
if (n_items == 0) {
throw_spdlog_ex("ringbuffer_sink: n_items cannot be zero");
}
}
std::vector<details::log_msg_buffer> last_raw(size_t lim = 0) {
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);

3
tests/CMakeLists.txt
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@@ -49,7 +49,8 @@ set(SPDLOG_UTESTS_SOURCES
test_time_point.cpp
test_stopwatch.cpp
test_circular_q.cpp
test_bin_to_hex.cpp)
test_bin_to_hex.cpp
test_ringbuffer.cpp)
if(NOT SPDLOG_NO_EXCEPTIONS)
list(APPEND SPDLOG_UTESTS_SOURCES test_errors.cpp)

50
tests/test_ringbuffer.cpp Normal file
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@@ -0,0 +1,50 @@
#include "includes.h"
#include "spdlog/sinks/ringbuffer_sink.h"
TEST_CASE("ringbuffer invalid size", "[ringbuffer]") {
REQUIRE_THROWS_AS(spdlog::sinks::ringbuffer_sink_mt(0), spdlog::spdlog_ex);
}
TEST_CASE("ringbuffer stores formatted messages", "[ringbuffer]") {
spdlog::sinks::ringbuffer_sink_st sink(3);
sink.set_pattern("%v");
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "msg1"});
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "msg2"});
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "msg3"});
auto formatted = sink.last_formatted();
REQUIRE(formatted.size() == 3);
REQUIRE(formatted[0] == "msg1");
REQUIRE(formatted[1] == "msg2");
REQUIRE(formatted[2] == "msg3");
}
TEST_CASE("ringbuffer overrun keeps last items", "[ringbuffer]") {
spdlog::sinks::ringbuffer_sink_st sink(2);
sink.set_pattern("%v");
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "first"});
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "second"});
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "third"});
auto formatted = sink.last_formatted();
REQUIRE(formatted.size() == 2);
REQUIRE(formatted[0] == "second");
REQUIRE(formatted[1] == "third");
}
TEST_CASE("ringbuffer retrieval limit", "[ringbuffer]") {
spdlog::sinks::ringbuffer_sink_st sink(3);
sink.set_pattern("%v");
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "A"});
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "B"});
sink.log(spdlog::details::log_msg{"test", spdlog::level::info, "C"});
auto formatted = sink.last_formatted(2);
REQUIRE(formatted.size() == 2);
REQUIRE(formatted[0] == "B");
REQUIRE(formatted[1] == "C");
}