Files
3FS/tests/meta/store/ops/TestStat.cc
2025-02-27 21:53:53 +08:00

101 lines
3.3 KiB
C++

#include <fcntl.h>
#include <folly/experimental/coro/BlockingWait.h>
#include <folly/experimental/coro/Task.h>
#include <gtest/gtest.h>
#include <optional>
#include <string>
#include "common/kv/ITransaction.h"
#include "common/utils/Coroutine.h"
#include "common/utils/FaultInjection.h"
#include "common/utils/Result.h"
#include "common/utils/StatusCode.h"
#include "meta/store/Inode.h"
#include "meta/store/MetaStore.h"
#include "tests/meta/MetaTestBase.h"
namespace hf3fs::meta::server {
namespace {
template <typename KV>
class TestStat : public MetaTestBase<KV> {};
using KVTypes = ::testing::Types<mem::MemKV, fdb::DB>;
TYPED_TEST_SUITE(TestStat, KVTypes);
TYPED_TEST(TestStat, Basic) {
folly::coro::blockingWait([&]() -> CoTask<void> {
auto cluster = this->createMockCluster();
auto &meta = cluster.meta().getOperator();
// create a
CO_ASSERT_OK(co_await meta.mkdirs({SUPER_USER, "a/b/c", p755, true}));
auto result = co_await meta.stat({SUPER_USER, "a", AtFlags(AT_SYMLINK_NOFOLLOW)});
CO_ASSERT_OK(result);
auto a = result->stat;
CO_ASSERT_ERROR(co_await meta.stat({SUPER_USER, "b", AtFlags(AT_SYMLINK_NOFOLLOW)}), MetaCode::kNotFound);
CO_ASSERT_OK(co_await meta.stat({SUPER_USER, PathAt(a.id, "b"), AtFlags(AT_SYMLINK_NOFOLLOW)}));
result = co_await meta.stat({SUPER_USER, a.id, AtFlags(AT_SYMLINK_NOFOLLOW)});
CO_ASSERT_OK(result);
CO_ASSERT_EQ(result->stat, std::optional(a));
// create file
auto cresult = co_await meta.create({SUPER_USER, "file", {}, O_RDONLY, p755});
CO_ASSERT_OK(cresult);
auto file = cresult->stat;
CO_ASSERT_ERROR(co_await meta.stat({SUPER_USER, PathAt(file.id, "."), AtFlags(AT_SYMLINK_NOFOLLOW)}),
MetaCode::kNotDirectory);
result = co_await meta.stat({SUPER_USER, file.id, AtFlags(AT_SYMLINK_NOFOLLOW)});
CO_ASSERT_OK(result);
CO_ASSERT_EQ(result->stat, std::optional(file));
}());
}
TYPED_TEST(TestStat, FollowSymlink) {
folly::coro::blockingWait([&]() -> CoTask<void> {
auto cluster = this->createMockCluster();
auto &meta = cluster.meta().getOperator();
// create a/b/c
CO_ASSERT_OK(co_await meta.mkdirs({SUPER_USER, "a/b/c", p755, true}));
// symlink a/d -> a/b
CO_ASSERT_OK(co_await meta.symlink({SUPER_USER, "a/d", "/a/b"}));
// a/d is symlink but not the last symlink
CO_ASSERT_OK(co_await meta.stat({SUPER_USER, "a/d/c", AtFlags(AT_SYMLINK_NOFOLLOW)}));
}());
}
TYPED_TEST(TestStat, FaultInjection) {
folly::coro::blockingWait([&]() -> CoTask<void> {
auto cluster = this->createMockCluster();
auto &meta = cluster.meta().getOperator();
std::vector<std::string> paths;
for (auto i = 0; i < 10; i++) {
std::string path = std::to_string(i);
auto result = co_await meta.create({SUPER_USER, path, {}, O_RDONLY, p644});
CO_ASSERT_OK(result);
paths.push_back(path);
}
paths.push_back("not_exists");
for (auto i = 0; i < 100; i++) {
FAULT_INJECTION_SET(10, 3); // 10%, 3 faults
auto path = paths[folly::Random::rand32(paths.size())];
auto result = co_await meta.stat({SUPER_USER, path, AtFlags(AT_SYMLINK_FOLLOW)});
if (path == "not_exists") {
CO_ASSERT_ERROR(result, MetaCode::kNotFound);
} else {
CO_ASSERT_OK(result);
}
}
}());
}
} // namespace
} // namespace hf3fs::meta::server