Files
3FS/tests/common/utils/TestRequestContext.cc
2025-02-27 21:53:53 +08:00

103 lines
3.6 KiB
C++

#include <atomic>
#include <chrono>
#include <fmt/core.h>
#include <folly/Random.h>
#include <folly/ScopeGuard.h>
#include <folly/concurrency/UnboundedQueue.h>
#include <folly/executors/CPUThreadPoolExecutor.h>
#include <folly/executors/IOThreadPoolExecutor.h>
#include <folly/experimental/coro/AsyncGenerator.h>
#include <folly/experimental/coro/Baton.h>
#include <folly/experimental/coro/BlockingWait.h>
#include <folly/experimental/coro/BoundedQueue.h>
#include <folly/experimental/coro/CurrentExecutor.h>
#include <folly/experimental/coro/GtestHelpers.h>
#include <folly/experimental/coro/Invoke.h>
#include <folly/experimental/coro/ScopeExit.h>
#include <folly/experimental/coro/Sleep.h>
#include <folly/experimental/coro/Task.h>
#include <folly/experimental/coro/UnboundedQueue.h>
#include <folly/fibers/Semaphore.h>
#include <folly/futures/Future.h>
#include <folly/io/async/Request.h>
#include <gtest/gtest.h>
#include <optional>
#include <type_traits>
#include <vector>
#include "common/utils/Coroutine.h"
namespace hf3fs::test {
namespace {
TEST(TestRequestContext, FibersBaton) {
folly::CPUThreadPoolExecutor exec(folly::Random::rand32(1) + 1);
folly::fibers::Baton baton;
auto producer = folly::coro::co_invoke([&]() -> CoTask<void> {
co_await folly::coro::sleep(std::chrono::seconds(1));
folly::RequestContext::create();
baton.post();
co_return;
})
.scheduleOn(&exec)
.start();
auto consumer = folly::coro::co_invoke([&]() -> CoTask<void> {
EXPECT_EQ(folly::RequestContext::try_get(), nullptr);
co_await baton;
EXPECT_EQ(folly::RequestContext::try_get(), nullptr);
})
.scheduleOn(&exec)
.start();
producer.wait();
consumer.wait();
}
TEST(TestRequestContext, CoroBaton) {
folly::CPUThreadPoolExecutor exec(folly::Random::rand32(1) + 1);
folly::coro::Baton baton;
auto producer = folly::coro::co_invoke([&]() -> CoTask<void> {
co_await folly::coro::sleep(std::chrono::seconds(1));
folly::RequestContext::create();
baton.post();
co_return;
})
.scheduleOn(&exec)
.start();
auto consumer = folly::coro::co_invoke([&]() -> CoTask<void> {
EXPECT_EQ(folly::RequestContext::try_get(), nullptr);
co_await baton;
EXPECT_EQ(folly::RequestContext::try_get(), nullptr);
})
.scheduleOn(&exec)
.start();
producer.wait();
consumer.wait();
}
TEST(TestRequestContext, Semaphore) {
folly::CPUThreadPoolExecutor exec(folly::Random::rand32(1, 8));
folly::fibers::Semaphore semaphore(folly::Random::rand32(1, 8));
auto worker = [&]() -> CoTask<void> {
for (size_t i = 0; i < folly::Random::rand32(1000, 2000); i++) {
std::optional<folly::ShallowCopyRequestContextScopeGuard> guard;
if (folly::Random::oneIn(2)) {
guard.emplace();
}
auto ctx = folly::RequestContext::try_get();
co_await semaphore.co_wait();
SCOPE_EXIT { semaphore.signal(); };
CO_ASSERT_EQ(ctx, folly::RequestContext::try_get());
}
};
std::vector<folly::SemiFuture<Void>> tasks;
for (size_t i = 0; i < 64; i++) {
tasks.push_back(folly::coro::co_invoke(worker).scheduleOn(&exec).start());
}
for (auto &task : tasks) {
task.wait();
}
}
} // namespace
} // namespace hf3fs::test