1709 lines
60 KiB
C++
1709 lines
60 KiB
C++
// Catch2 tests for reference counter
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// Migrated from GTest: reference_counter_test.cpp
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#include <catch2/catch_test_macros.hpp>
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#include <sqlite3.h>
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#include <filesystem>
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#include <format>
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#include <fstream>
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#include <future>
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#include <memory>
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#include <optional>
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#include <random>
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#include <set>
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#include <thread>
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#include <yams/storage/reference_counter.h>
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#include <yams/storage/storage_engine.h>
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#include "../../common/test_helpers_catch2.h"
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using namespace yams::storage;
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namespace {
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struct ReferenceCounterFixture {
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ReferenceCounterFixture() {
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testDbPath = std::filesystem::temp_directory_path() /
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std::format("yams_refcount_catch2_{}.db",
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std::chrono::system_clock::now().time_since_epoch().count());
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ReferenceCounter::Config config{.databasePath = testDbPath,
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.enableWAL = true,
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.enableStatistics = true,
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.cacheSize = 1000,
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.busyTimeout = 1000,
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.enableAuditLog = false};
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refCounter = std::make_unique<ReferenceCounter>(std::move(config));
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}
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~ReferenceCounterFixture() {
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refCounter.reset();
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std::filesystem::remove(testDbPath);
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std::filesystem::remove(testDbPath.string() + "-wal");
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std::filesystem::remove(testDbPath.string() + "-shm");
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}
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std::string generateHash(int i) { return std::format("hash_{:064}", i); }
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std::filesystem::path testDbPath;
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std::unique_ptr<ReferenceCounter> refCounter;
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};
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struct GarbageCollectorFixture {
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GarbageCollectorFixture() {
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auto tempDir = std::filesystem::temp_directory_path();
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testDbPath =
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tempDir / std::format("yams_gc_catch2_{}.db",
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std::chrono::system_clock::now().time_since_epoch().count());
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testStoragePath =
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tempDir / std::format("yams_gc_storage_catch2_{}",
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std::chrono::system_clock::now().time_since_epoch().count());
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ReferenceCounter::Config config{
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.databasePath = testDbPath, .enableWAL = true, .enableStatistics = true};
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refCounter = std::make_unique<ReferenceCounter>(std::move(config));
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StorageConfig storageConfig{
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.basePath = testStoragePath, .shardDepth = 2, .mutexPoolSize = 100};
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storageEngine = std::make_unique<StorageEngine>(std::move(storageConfig));
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gc = std::make_unique<GarbageCollector>(*refCounter, *storageEngine);
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}
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~GarbageCollectorFixture() {
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gc.reset();
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storageEngine.reset();
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refCounter.reset();
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std::filesystem::remove_all(testStoragePath);
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std::filesystem::remove(testDbPath);
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std::filesystem::remove(testDbPath.string() + "-wal");
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std::filesystem::remove(testDbPath.string() + "-shm");
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}
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std::string generateHash(int i) { return std::format("{:064x}", i); }
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std::filesystem::path testDbPath;
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std::filesystem::path testStoragePath;
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std::unique_ptr<ReferenceCounter> refCounter;
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std::unique_ptr<StorageEngine> storageEngine;
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std::unique_ptr<GarbageCollector> gc;
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};
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struct SqliteHandle {
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explicit SqliteHandle(const std::filesystem::path& path) {
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REQUIRE(sqlite3_open(path.string().c_str(), &db) == SQLITE_OK);
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}
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~SqliteHandle() {
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if (db != nullptr) {
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sqlite3_close(db);
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}
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}
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SqliteHandle(const SqliteHandle&) = delete;
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SqliteHandle& operator=(const SqliteHandle&) = delete;
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sqlite3* db = nullptr;
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};
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void execSql(sqlite3* db, std::string_view sql) {
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char* err = nullptr;
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const int rc = sqlite3_exec(db, std::string(sql).c_str(), nullptr, nullptr, &err);
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INFO(std::string(sql));
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INFO(std::string(err != nullptr ? err : ""));
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REQUIRE(rc == SQLITE_OK);
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if (err != nullptr) {
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sqlite3_free(err);
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}
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}
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int64_t queryInt64(const std::filesystem::path& dbPath, std::string_view sql) {
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SqliteHandle db(dbPath);
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sqlite3_stmt* rawStmt = nullptr;
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REQUIRE(sqlite3_prepare_v2(db.db, std::string(sql).c_str(), -1, &rawStmt, nullptr) ==
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SQLITE_OK);
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auto stmt =
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std::unique_ptr<sqlite3_stmt, decltype(&sqlite3_finalize)>(rawStmt, &sqlite3_finalize);
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REQUIRE(sqlite3_step(stmt.get()) == SQLITE_ROW);
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return sqlite3_column_int64(stmt.get(), 0);
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}
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bool columnExists(const std::filesystem::path& dbPath, std::string_view table,
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std::string_view column) {
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SqliteHandle db(dbPath);
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sqlite3_stmt* rawStmt = nullptr;
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const auto sql = std::format("PRAGMA table_info({})", table);
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REQUIRE(sqlite3_prepare_v2(db.db, sql.c_str(), -1, &rawStmt, nullptr) == SQLITE_OK);
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auto stmt =
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std::unique_ptr<sqlite3_stmt, decltype(&sqlite3_finalize)>(rawStmt, &sqlite3_finalize);
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while (sqlite3_step(stmt.get()) == SQLITE_ROW) {
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const auto* name = sqlite3_column_text(stmt.get(), 1);
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if (name != nullptr && column == reinterpret_cast<const char*>(name)) {
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return true;
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}
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}
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return false;
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}
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} // namespace
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter basic increment decrement",
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"[storage][refcount][catch2]") {
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const std::string hash = generateHash(1);
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const size_t blockSize = 4096;
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// Initially, reference count should be 0
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auto count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 0u);
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// Increment
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auto result = refCounter->increment(hash, blockSize);
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REQUIRE(result.has_value());
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count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 1u);
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// Increment again
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result = refCounter->increment(hash, blockSize);
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REQUIRE(result.has_value());
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count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 2u);
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// Decrement
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result = refCounter->decrement(hash);
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REQUIRE(result.has_value());
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count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 1u);
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// Decrement to zero
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result = refCounter->decrement(hash);
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REQUIRE(result.has_value());
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count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 0u);
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter hasReferences",
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"[storage][refcount][catch2]") {
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const std::string hash = generateHash(2);
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// Initially no references
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auto hasRefs = refCounter->hasReferences(hash);
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REQUIRE(hasRefs.has_value());
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CHECK_FALSE(hasRefs.value());
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// After increment, has references
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refCounter->increment(hash, 1024);
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hasRefs = refCounter->hasReferences(hash);
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REQUIRE(hasRefs.has_value());
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CHECK(hasRefs.value());
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// After decrement to zero, no references
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refCounter->decrement(hash);
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hasRefs = refCounter->hasReferences(hash);
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REQUIRE(hasRefs.has_value());
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CHECK_FALSE(hasRefs.value());
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter batch operations",
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"[storage][refcount][batch][catch2]") {
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const size_t batchSize = 100;
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std::vector<std::string> hashes;
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for (size_t i = 0; i < batchSize; ++i) {
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hashes.push_back(generateHash(i));
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}
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// Batch increment
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auto result = refCounter->incrementBatch(hashes, 2048);
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REQUIRE(result.has_value());
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// Verify all incremented
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for (const auto& hash : hashes) {
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auto count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 1u);
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}
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// Batch decrement
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result = refCounter->decrementBatch(hashes);
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REQUIRE(result.has_value());
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// Verify all decremented
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for (const auto& hash : hashes) {
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auto count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 0u);
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}
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter batch with sizes",
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"[storage][refcount][batch][catch2]") {
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struct BlockInfo {
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std::string hash;
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size_t size;
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};
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std::vector<BlockInfo> blocks = {{generateHash(100), 1024},
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{generateHash(101), 2048},
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{generateHash(102), 4096},
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{generateHash(103), 8192}};
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auto result = refCounter->incrementBatchWithSizes(blocks);
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REQUIRE(result.has_value());
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// Verify all incremented
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for (const auto& block : blocks) {
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auto count = refCounter->getRefCount(block.hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 1u);
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}
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter transaction commit",
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"[storage][refcount][transaction][catch2]") {
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const std::string hash1 = generateHash(200);
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const std::string hash2 = generateHash(201);
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auto txn = refCounter->beginTransaction();
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REQUIRE(txn != nullptr);
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REQUIRE(txn->isActive());
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// Add operations to transaction
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txn->increment(hash1, 1024);
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txn->increment(hash2, 2048);
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// Counts should still be zero (not committed)
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auto count1 = refCounter->getRefCount(hash1);
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REQUIRE(count1.has_value());
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CHECK(count1.value() == 0u);
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// Commit transaction
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auto result = txn->commit();
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REQUIRE(result.has_value());
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CHECK_FALSE(txn->isActive());
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// Now counts should be updated
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count1 = refCounter->getRefCount(hash1);
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REQUIRE(count1.has_value());
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CHECK(count1.value() == 1u);
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auto count2 = refCounter->getRefCount(hash2);
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REQUIRE(count2.has_value());
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CHECK(count2.value() == 1u);
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auto stats = refCounter->getStats();
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REQUIRE(stats.has_value());
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CHECK(stats.value().transactions == 1u);
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CHECK(stats.value().rollbacks == 0u);
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter transaction increment without size",
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"[storage][refcount][transaction][catch2]") {
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const std::string hash = generateHash(250);
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auto txn = refCounter->beginTransaction();
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REQUIRE(txn != nullptr);
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txn->increment(hash);
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auto result = txn->commit();
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REQUIRE(result.has_value());
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auto count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 1u);
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auto stats = refCounter->getStats();
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REQUIRE(stats.has_value());
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CHECK(stats.value().totalBytes == 1u);
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CHECK(stats.value().totalUncompressedBytes == 1u);
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter transaction rollback",
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"[storage][refcount][transaction][catch2]") {
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const std::string incrementedHash = generateHash(300);
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const std::string decrementedHash = generateHash(301);
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const std::string newHash = generateHash(302);
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REQUIRE(refCounter->increment(incrementedHash, 1024).has_value());
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REQUIRE(refCounter->increment(decrementedHash, 2048).has_value());
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REQUIRE(refCounter->increment(decrementedHash, 2048).has_value());
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auto beforeStats = refCounter->getStats();
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REQUIRE(beforeStats.has_value());
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auto txn = refCounter->beginTransaction();
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REQUIRE(txn != nullptr);
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txn->increment(incrementedHash, 1024);
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txn->decrement(decrementedHash);
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txn->increment(newHash, 4096);
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// Rollback transaction
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txn->rollback();
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CHECK_FALSE(txn->isActive());
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auto incrementedCount = refCounter->getRefCount(incrementedHash);
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REQUIRE(incrementedCount.has_value());
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CHECK(incrementedCount.value() == 1u);
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auto decrementedCount = refCounter->getRefCount(decrementedHash);
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REQUIRE(decrementedCount.has_value());
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CHECK(decrementedCount.value() == 2u);
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auto newCount = refCounter->getRefCount(newHash);
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REQUIRE(newCount.has_value());
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CHECK(newCount.value() == 0u);
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auto afterStats = refCounter->getStats();
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REQUIRE(afterStats.has_value());
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CHECK(afterStats.value().totalBlocks == beforeStats.value().totalBlocks);
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CHECK(afterStats.value().totalReferences == beforeStats.value().totalReferences);
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CHECK(afterStats.value().transactions == beforeStats.value().transactions);
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CHECK(afterStats.value().rollbacks == beforeStats.value().rollbacks + 1);
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter transaction auto rollback",
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"[storage][refcount][transaction][catch2]") {
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const std::string hash = generateHash(400);
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{
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auto txn = refCounter->beginTransaction();
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txn->increment(hash, 1024);
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// Transaction destroyed without commit - should rollback
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}
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// Count should still be zero
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auto count = refCounter->getRefCount(hash);
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REQUIRE(count.has_value());
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CHECK(count.value() == 0u);
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter transaction closed-state behavior",
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"[storage][refcount][transaction][edge][catch2]") {
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const std::string hash = generateHash(450);
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auto txn = refCounter->beginTransaction();
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REQUIRE(txn != nullptr);
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txn->increment(hash, 1024);
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auto firstCommit = txn->commit();
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REQUIRE(firstCommit.has_value());
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CHECK_FALSE(txn->isActive());
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auto secondCommit = txn->commit();
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CHECK_FALSE(secondCommit.has_value());
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CHECK(secondCommit.error().code == yams::ErrorCode::TransactionFailed);
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// After commit, increment/decrement must fail.
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// In dev/CI (DCHECK enabled): YAMS_DCHECK aborts — no catchable exception.
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// In release (NDEBUG): DCHECK compiles out, throw fires.
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#if defined(NDEBUG) || defined(YAMS_DISABLE_DCHECK)
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REQUIRE_THROWS_AS(txn->increment(hash, 1024), std::runtime_error);
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REQUIRE_THROWS_AS(txn->decrement(hash), std::runtime_error);
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#else
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// DCHECK abort path covered by fork()-based assertion tests.
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SUCCEED("YAMS_DCHECK abort path is covered by fork()-based assertion tests");
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#endif
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}
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TEST_CASE_METHOD(ReferenceCounterFixture,
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"ReferenceCounter failed transaction commit leaves no partial writes",
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"[storage][refcount][transaction][edge][catch2]") {
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const std::string existingHash = generateHash(460);
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const std::string newHash = generateHash(461);
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REQUIRE(refCounter->increment(existingHash, 1024).has_value());
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auto backupPath = std::filesystem::temp_directory_path() /
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std::format("yams_refcount_stale_txn_backup_{}.db",
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std::chrono::system_clock::now().time_since_epoch().count());
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std::error_code ec;
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std::filesystem::remove(backupPath, ec);
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std::filesystem::remove(backupPath.string() + "-wal", ec);
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std::filesystem::remove(backupPath.string() + "-shm", ec);
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auto backupResult = refCounter->backup(backupPath);
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REQUIRE(backupResult.has_value());
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auto txn = refCounter->beginTransaction();
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REQUIRE(txn != nullptr);
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txn->increment(existingHash, 1024);
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txn->increment(newHash, 2048);
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auto restoreResult = refCounter->restore(backupPath);
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REQUIRE(restoreResult.has_value());
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auto commitResult = txn->commit();
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CHECK_FALSE(commitResult.has_value());
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CHECK(commitResult.error().code == yams::ErrorCode::TransactionFailed);
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CHECK_FALSE(txn->isActive());
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auto existingCount = refCounter->getRefCount(existingHash);
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REQUIRE(existingCount.has_value());
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CHECK(existingCount.value() == 1u);
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auto newCount = refCounter->getRefCount(newHash);
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REQUIRE(newCount.has_value());
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CHECK(newCount.value() == 0u);
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std::filesystem::remove(backupPath, ec);
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std::filesystem::remove(backupPath.string() + "-wal", ec);
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std::filesystem::remove(backupPath.string() + "-shm", ec);
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}
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TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter get unreferenced blocks",
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"[storage][refcount][catch2]") {
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std::vector<std::string> allHashes;
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std::vector<std::string> unreferencedHashes;
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// Create some blocks with references
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for (int i = 0; i < 5; ++i) {
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auto hash = generateHash(500 + i);
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allHashes.push_back(hash);
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refCounter->increment(hash, 1024);
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}
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// Create some unreferenced blocks
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for (int i = 5; i < 10; ++i) {
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auto hash = generateHash(500 + i);
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allHashes.push_back(hash);
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unreferencedHashes.push_back(hash);
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// Increment then decrement to create unreferenced entry
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refCounter->increment(hash, 1024);
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refCounter->decrement(hash);
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}
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// Get unreferenced blocks (with 0 seconds min age)
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auto result = refCounter->getUnreferencedBlocks(100, std::chrono::seconds(0));
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REQUIRE(result.has_value());
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const auto& blocks = result.value();
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CHECK(blocks.size() == unreferencedHashes.size());
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// Verify we got the right blocks
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std::set<std::string> foundBlocks(blocks.begin(), blocks.end());
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|
std::set<std::string> expectedBlocks(unreferencedHashes.begin(), unreferencedHashes.end());
|
|
CHECK(foundBlocks == expectedBlocks);
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter statistics",
|
|
"[storage][refcount][stats][catch2]") {
|
|
// Add some blocks
|
|
const size_t numBlocks = 10;
|
|
const size_t blockSize = 1024;
|
|
|
|
for (size_t i = 0; i < numBlocks; ++i) {
|
|
refCounter->increment(generateHash(600 + i), blockSize);
|
|
}
|
|
|
|
// Decrement some to make them unreferenced
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
refCounter->decrement(generateHash(600 + i));
|
|
}
|
|
|
|
// Get statistics
|
|
auto statsResult = refCounter->getStats();
|
|
REQUIRE(statsResult.has_value());
|
|
|
|
const auto& stats = statsResult.value();
|
|
CHECK(stats.totalBlocks == numBlocks);
|
|
CHECK(stats.totalReferences == numBlocks - 3); // 3 were decremented
|
|
CHECK(stats.totalBytes == numBlocks * blockSize);
|
|
CHECK(stats.unreferencedBlocks == 3u);
|
|
CHECK(stats.unreferencedBytes == 3u * blockSize);
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter statistics reconcile corrupt counters",
|
|
"[storage][refcount][stats][edge][catch2]") {
|
|
const std::string referencedHash = generateHash(650);
|
|
const std::string unreferencedHash = generateHash(651);
|
|
|
|
REQUIRE(refCounter->increment(referencedHash, 512, 1024).has_value());
|
|
REQUIRE(refCounter->increment(unreferencedHash, 2048, 4096).has_value());
|
|
REQUIRE(refCounter->decrement(unreferencedHash).has_value());
|
|
|
|
REQUIRE(refCounter->updateStatistics("total_blocks", -100).has_value());
|
|
REQUIRE(refCounter->updateStatistics("total_references", 50).has_value());
|
|
|
|
auto statsResult = refCounter->getStats();
|
|
REQUIRE(statsResult.has_value());
|
|
|
|
const auto& stats = statsResult.value();
|
|
CHECK(stats.totalBlocks == 2u);
|
|
CHECK(stats.totalReferences == 1u);
|
|
CHECK(stats.totalBytes == 2560u);
|
|
CHECK(stats.totalUncompressedBytes == 5120u);
|
|
CHECK(stats.unreferencedBlocks == 1u);
|
|
CHECK(stats.unreferencedBytes == 2048u);
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter concurrent operations",
|
|
"[storage][refcount][concurrent][catch2]") {
|
|
const size_t numThreads = 10;
|
|
const size_t opsPerThread = 100;
|
|
const std::string sharedHash = generateHash(700);
|
|
|
|
std::vector<std::thread> threads;
|
|
std::atomic<size_t> successCount{0};
|
|
|
|
// Each thread increments the same hash
|
|
for (size_t t = 0; t < numThreads; ++t) {
|
|
threads.emplace_back([this, &successCount, &sharedHash]() {
|
|
for (size_t i = 0; i < opsPerThread; ++i) {
|
|
auto result = refCounter->increment(sharedHash, 1024);
|
|
if (result.has_value()) {
|
|
successCount++;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
// Wait for all threads
|
|
for (auto& t : threads) {
|
|
t.join();
|
|
}
|
|
|
|
// Verify final count
|
|
auto count = refCounter->getRefCount(sharedHash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() == successCount.load());
|
|
CHECK(count.value() == numThreads * opsPerThread);
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter concurrent transactions",
|
|
"[storage][refcount][concurrent][transaction][catch2]") {
|
|
const size_t numThreads = 5;
|
|
const size_t hashesPerThread = 20;
|
|
|
|
std::vector<std::thread> threads;
|
|
std::atomic<size_t> commitCount{0};
|
|
std::atomic<size_t> errorCount{0};
|
|
|
|
for (size_t t = 0; t < numThreads; ++t) {
|
|
threads.emplace_back([this, &commitCount, &errorCount, t]() {
|
|
try {
|
|
auto txn = refCounter->beginTransaction();
|
|
if (!txn) {
|
|
errorCount++;
|
|
return;
|
|
}
|
|
|
|
// Each thread works on its own set of hashes
|
|
for (size_t i = 0; i < hashesPerThread; ++i) {
|
|
auto hash = generateHash(800 + t * 100 + i);
|
|
txn->increment(hash, 2048);
|
|
}
|
|
|
|
auto result = txn->commit();
|
|
if (result.has_value()) {
|
|
commitCount++;
|
|
} else {
|
|
errorCount++;
|
|
}
|
|
} catch (const std::exception&) {
|
|
errorCount++;
|
|
}
|
|
});
|
|
}
|
|
|
|
for (auto& t : threads) {
|
|
t.join();
|
|
}
|
|
|
|
CHECK(errorCount.load() == 0u);
|
|
CHECK(commitCount.load() == numThreads);
|
|
|
|
// Verify all hashes were incremented correctly
|
|
for (size_t t = 0; t < numThreads; ++t) {
|
|
for (size_t i = 0; i < hashesPerThread; ++i) {
|
|
auto hash = generateHash(800 + t * 100 + i);
|
|
auto count = refCounter->getRefCount(hash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() == 1u);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter maintenance operations",
|
|
"[storage][refcount][maintenance][catch2]") {
|
|
// Add some data
|
|
for (int i = 0; i < 100; ++i) {
|
|
refCounter->increment(generateHash(900 + i), 1024);
|
|
}
|
|
|
|
// Test vacuum
|
|
auto result = refCounter->vacuum();
|
|
CHECK(result.has_value());
|
|
|
|
// Test checkpoint
|
|
result = refCounter->checkpoint();
|
|
CHECK(result.has_value());
|
|
|
|
// Test analyze
|
|
result = refCounter->analyze();
|
|
CHECK(result.has_value());
|
|
|
|
// Test integrity check
|
|
auto integrityResult = refCounter->verifyIntegrity();
|
|
REQUIRE(integrityResult.has_value());
|
|
CHECK(integrityResult.value());
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter backup restore",
|
|
"[storage][refcount][backup][catch2]") {
|
|
// Add some data
|
|
const std::string hash1 = generateHash(1000);
|
|
const std::string hash2 = generateHash(1001);
|
|
|
|
refCounter->increment(hash1, 1024);
|
|
refCounter->increment(hash2, 2048);
|
|
refCounter->increment(hash2, 2048); // Count = 2
|
|
|
|
// Create backup
|
|
auto backupPath = std::filesystem::temp_directory_path() / "yams_backup_catch2.db";
|
|
auto result = refCounter->backup(backupPath);
|
|
REQUIRE(result.has_value());
|
|
|
|
// Modify data
|
|
refCounter->decrement(hash1);
|
|
refCounter->increment(generateHash(1002), 4096);
|
|
|
|
// Restore from backup
|
|
result = refCounter->restore(backupPath);
|
|
REQUIRE(result.has_value());
|
|
|
|
// Verify restored state
|
|
auto count1 = refCounter->getRefCount(hash1);
|
|
REQUIRE(count1.has_value());
|
|
CHECK(count1.value() == 1u); // Original value
|
|
|
|
auto count2 = refCounter->getRefCount(hash2);
|
|
REQUIRE(count2.has_value());
|
|
CHECK(count2.value() == 2u); // Original value
|
|
|
|
auto count3 = refCounter->getRefCount(generateHash(1002));
|
|
REQUIRE(count3.has_value());
|
|
CHECK(count3.value() == 0u); // Not in backup
|
|
|
|
// Cleanup
|
|
std::filesystem::remove(backupPath);
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter backup restore error paths",
|
|
"[storage][refcount][backup][edge][catch2]") {
|
|
auto missingParent = std::filesystem::temp_directory_path() /
|
|
std::format("yams_refcount_missing_parent_{}",
|
|
std::chrono::system_clock::now().time_since_epoch().count()) /
|
|
"backup.db";
|
|
|
|
auto backupResult = refCounter->backup(missingParent);
|
|
CHECK_FALSE(backupResult.has_value());
|
|
CHECK(backupResult.error().code == yams::ErrorCode::DatabaseError);
|
|
|
|
auto missingBackup = std::filesystem::temp_directory_path() /
|
|
std::format("yams_refcount_missing_backup_{}.db",
|
|
std::chrono::system_clock::now().time_since_epoch().count());
|
|
auto restoreResult = refCounter->restore(missingBackup);
|
|
CHECK_FALSE(restoreResult.has_value());
|
|
CHECK(restoreResult.error().code == yams::ErrorCode::DatabaseError);
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter restore rejects corrupt database image",
|
|
"[storage][refcount][backup][edge][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto stamp = std::chrono::system_clock::now().time_since_epoch().count();
|
|
auto dbPath = tempDir / std::format("yams_refcount_corrupt_restore_{}.db", stamp);
|
|
auto corruptPath = tempDir / std::format("yams_refcount_corrupt_restore_src_{}.db", stamp);
|
|
|
|
auto cleanup = [&] {
|
|
std::error_code ec;
|
|
std::filesystem::remove(dbPath, ec);
|
|
std::filesystem::remove(dbPath.string() + "-wal", ec);
|
|
std::filesystem::remove(dbPath.string() + "-shm", ec);
|
|
std::filesystem::remove(corruptPath, ec);
|
|
};
|
|
cleanup();
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
{
|
|
std::ofstream corrupt(corruptPath.string(), std::ios::binary | std::ios::trunc);
|
|
REQUIRE(corrupt.good());
|
|
corrupt << "not a sqlite database";
|
|
}
|
|
|
|
auto restoreResult = counter.restore(corruptPath);
|
|
CHECK_FALSE(restoreResult.has_value());
|
|
CHECK(restoreResult.error().code == yams::ErrorCode::DatabaseError);
|
|
}
|
|
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter factory returns null for invalid database path",
|
|
"[storage][refcount][factory][edge][catch2]") {
|
|
auto tempRoot = std::filesystem::temp_directory_path();
|
|
auto blockerPath =
|
|
tempRoot / std::format("yams_refcount_blocker_{}",
|
|
std::chrono::system_clock::now().time_since_epoch().count());
|
|
{
|
|
std::ofstream blocker(blockerPath.string(), std::ios::binary);
|
|
REQUIRE(blocker.good());
|
|
blocker << "x";
|
|
}
|
|
|
|
ReferenceCounter::Config config{.databasePath = blockerPath / "nested" / "refcount.db",
|
|
.enableWAL = true,
|
|
.enableStatistics = true,
|
|
.cacheSize = 1000,
|
|
.busyTimeout = 1000,
|
|
.enableAuditLog = false};
|
|
|
|
auto counter = createReferenceCounter(std::move(config));
|
|
CHECK(counter == nullptr);
|
|
|
|
std::error_code ec;
|
|
std::filesystem::remove(blockerPath, ec);
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter upgrades schema discovered via YAMS_DATA_DIR",
|
|
"[storage][refcount][bootstrap][catch2]") {
|
|
yams::test::TempDirGuard tempDir("yams_refcount_schema_");
|
|
const auto dbPath = tempDir.path() / "refs.db";
|
|
const auto schemaPath = tempDir.path() / "reference_schema.sql";
|
|
yams::test::write_file(schemaPath, R"(
|
|
PRAGMA foreign_keys = ON;
|
|
|
|
CREATE TABLE IF NOT EXISTS block_references (
|
|
block_hash TEXT PRIMARY KEY,
|
|
ref_count INTEGER NOT NULL DEFAULT 0,
|
|
block_size INTEGER NOT NULL,
|
|
created_at INTEGER NOT NULL,
|
|
last_accessed INTEGER NOT NULL,
|
|
metadata TEXT,
|
|
CHECK (ref_count >= 0),
|
|
CHECK (block_size > 0)
|
|
);
|
|
|
|
CREATE TABLE IF NOT EXISTS ref_transactions (
|
|
transaction_id INTEGER PRIMARY KEY AUTOINCREMENT,
|
|
start_timestamp INTEGER NOT NULL,
|
|
commit_timestamp INTEGER,
|
|
state TEXT NOT NULL DEFAULT 'PENDING'
|
|
);
|
|
|
|
CREATE TABLE IF NOT EXISTS ref_transaction_ops (
|
|
op_id INTEGER PRIMARY KEY AUTOINCREMENT,
|
|
transaction_id INTEGER NOT NULL,
|
|
block_hash TEXT NOT NULL,
|
|
operation TEXT NOT NULL,
|
|
delta INTEGER NOT NULL DEFAULT 1,
|
|
block_size INTEGER,
|
|
timestamp INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE IF NOT EXISTS ref_statistics (
|
|
stat_name TEXT PRIMARY KEY,
|
|
stat_value INTEGER NOT NULL,
|
|
updated_at INTEGER NOT NULL
|
|
);
|
|
|
|
INSERT OR IGNORE INTO ref_statistics(stat_name, stat_value, updated_at) VALUES
|
|
('total_blocks', 0, strftime('%s', 'now')),
|
|
('total_references', 0, strftime('%s', 'now')),
|
|
('total_bytes', 0, strftime('%s', 'now')),
|
|
('transactions_completed', 0, strftime('%s', 'now')),
|
|
('transactions_rolled_back', 0, strftime('%s', 'now'));
|
|
)");
|
|
yams::test::ScopedEnvVar dataDirEnv("YAMS_DATA_DIR",
|
|
std::optional<std::string>{tempDir.path().string()});
|
|
|
|
{
|
|
ReferenceCounter::Config config{.databasePath = dbPath,
|
|
.enableWAL = true,
|
|
.enableStatistics = true,
|
|
.cacheSize = 1000,
|
|
.busyTimeout = 1000,
|
|
.enableAuditLog = false};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
CHECK(columnExists(dbPath, "block_references", "uncompressed_size"));
|
|
CHECK(
|
|
queryInt64(
|
|
dbPath,
|
|
"SELECT COUNT(*) FROM ref_statistics WHERE stat_name='total_uncompressed_bytes'") ==
|
|
1);
|
|
|
|
const auto hash = std::format("{:064x}", 0xABC);
|
|
REQUIRE(counter.increment(hash, 512, 2048).has_value());
|
|
REQUIRE(counter.decrement(hash).has_value());
|
|
|
|
auto stats = counter.getStats();
|
|
REQUIRE(stats.has_value());
|
|
CHECK(stats.value().totalBlocks == 1u);
|
|
CHECK(stats.value().totalReferences == 0u);
|
|
CHECK(stats.value().totalBytes == 512u);
|
|
CHECK(stats.value().totalUncompressedBytes == 2048u);
|
|
CHECK(stats.value().unreferencedBlocks == 1u);
|
|
CHECK(stats.value().unreferencedBytes == 512u);
|
|
}
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter upgrades existing legacy database state on open",
|
|
"[storage][refcount][migration][catch2]") {
|
|
yams::test::TempDirGuard tempDir("yams_refcount_legacy_");
|
|
const auto dbPath = tempDir.path() / "refs.db";
|
|
const auto legacyHash = std::format("{:064x}", 0x1234);
|
|
|
|
{
|
|
SqliteHandle db(dbPath);
|
|
execSql(db.db, R"(
|
|
CREATE TABLE block_references (
|
|
block_hash TEXT PRIMARY KEY,
|
|
ref_count INTEGER NOT NULL DEFAULT 0,
|
|
block_size INTEGER NOT NULL,
|
|
created_at INTEGER NOT NULL,
|
|
last_accessed INTEGER NOT NULL,
|
|
metadata TEXT
|
|
);
|
|
)");
|
|
execSql(db.db, R"(
|
|
CREATE TABLE ref_statistics (
|
|
stat_name TEXT PRIMARY KEY,
|
|
stat_value INTEGER NOT NULL,
|
|
updated_at INTEGER NOT NULL
|
|
);
|
|
)");
|
|
execSql(db.db, std::format(R"(
|
|
INSERT INTO block_references
|
|
(block_hash, ref_count, block_size, created_at, last_accessed, metadata)
|
|
VALUES ('{}', 1, 111, strftime('%s', 'now'), strftime('%s', 'now'), NULL);
|
|
)",
|
|
legacyHash));
|
|
execSql(db.db, R"(
|
|
INSERT INTO ref_statistics(stat_name, stat_value, updated_at) VALUES
|
|
('total_blocks', 0, strftime('%s', 'now')),
|
|
('total_references', 0, strftime('%s', 'now')),
|
|
('total_bytes', 0, strftime('%s', 'now')),
|
|
('transactions_completed', 0, strftime('%s', 'now')),
|
|
('transactions_rolled_back', 0, strftime('%s', 'now'));
|
|
)");
|
|
}
|
|
|
|
{
|
|
ReferenceCounter::Config config{.databasePath = dbPath,
|
|
.enableWAL = true,
|
|
.enableStatistics = true,
|
|
.cacheSize = 1000,
|
|
.busyTimeout = 1000,
|
|
.enableAuditLog = false};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
CHECK(columnExists(dbPath, "block_references", "uncompressed_size"));
|
|
CHECK(
|
|
queryInt64(
|
|
dbPath,
|
|
"SELECT COUNT(*) FROM ref_statistics WHERE stat_name='total_uncompressed_bytes'") ==
|
|
1);
|
|
|
|
auto legacyCount = counter.getRefCount(legacyHash);
|
|
REQUIRE(legacyCount.has_value());
|
|
CHECK(legacyCount.value() == 1u);
|
|
|
|
auto stats = counter.getStats();
|
|
REQUIRE(stats.has_value());
|
|
CHECK(stats.value().totalBlocks == 1u);
|
|
CHECK(stats.value().totalReferences == 1u);
|
|
CHECK(stats.value().totalBytes == 111u);
|
|
CHECK(stats.value().totalUncompressedBytes == 111u);
|
|
|
|
const auto newHash = std::format("{:064x}", 0x5678);
|
|
REQUIRE(counter.increment(newHash, 50, 75).has_value());
|
|
|
|
stats = counter.getStats();
|
|
REQUIRE(stats.has_value());
|
|
CHECK(stats.value().totalBlocks == 2u);
|
|
CHECK(stats.value().totalReferences == 2u);
|
|
CHECK(stats.value().totalBytes == 161u);
|
|
CHECK(stats.value().totalUncompressedBytes == 186u);
|
|
}
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture,
|
|
"ReferenceCounter pruneReference removes multiple rows in one commit",
|
|
"[storage][refcount][transaction][prune][catch2]") {
|
|
std::vector<std::string> hashes;
|
|
for (int i = 0; i < 3; ++i) {
|
|
hashes.push_back(generateHash(950 + i));
|
|
REQUIRE(refCounter->increment(hashes.back(), 256, 512).has_value());
|
|
REQUIRE(refCounter->decrement(hashes.back()).has_value());
|
|
}
|
|
|
|
auto before = refCounter->getStats();
|
|
REQUIRE(before.has_value());
|
|
CHECK(before.value().totalBlocks == 3u);
|
|
CHECK(before.value().unreferencedBlocks == 3u);
|
|
|
|
auto txn = refCounter->beginTransaction();
|
|
REQUIRE(txn != nullptr);
|
|
for (const auto& hash : hashes) {
|
|
txn->pruneReference(hash);
|
|
}
|
|
REQUIRE(txn->commit().has_value());
|
|
|
|
auto after = refCounter->getStats();
|
|
REQUIRE(after.has_value());
|
|
CHECK(after.value().totalBlocks == 0u);
|
|
CHECK(after.value().totalReferences == 0u);
|
|
CHECK(after.value().totalBytes == 0u);
|
|
CHECK(after.value().totalUncompressedBytes == 0u);
|
|
CHECK(after.value().unreferencedBlocks == 0u);
|
|
CHECK(after.value().unreferencedBytes == 0u);
|
|
|
|
auto unreferenced = refCounter->getUnreferencedBlocks(10, std::chrono::seconds(0));
|
|
REQUIRE(unreferenced.has_value());
|
|
CHECK(unreferenced.value().empty());
|
|
}
|
|
|
|
TEST_CASE_METHOD(ReferenceCounterFixture, "ReferenceCounter async batch operations",
|
|
"[storage][refcount][async][catch2]") {
|
|
const size_t batchSize = 50;
|
|
std::vector<std::string> hashes;
|
|
|
|
for (size_t i = 0; i < batchSize; ++i) {
|
|
hashes.push_back(generateHash(1100 + i));
|
|
}
|
|
|
|
// Async batch increment
|
|
auto future = refCounter->incrementBatchAsync(hashes, 1024);
|
|
auto result = future.get();
|
|
REQUIRE(result.has_value());
|
|
|
|
// Verify all incremented
|
|
for (const auto& hash : hashes) {
|
|
auto count = refCounter->getRefCount(hash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() == 1u);
|
|
}
|
|
}
|
|
|
|
// Garbage Collector tests
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector basic collection",
|
|
"[storage][gc][catch2]") {
|
|
// Store some blocks
|
|
std::vector<std::byte> data(1024, std::byte{42});
|
|
std::vector<std::string> hashes;
|
|
|
|
for (int i = 0; i < 5; ++i) {
|
|
auto hash = generateHash(i);
|
|
hashes.push_back(hash);
|
|
|
|
// Store in storage engine
|
|
auto storeResult = storageEngine->store(hash, data);
|
|
REQUIRE(storeResult.has_value());
|
|
|
|
// Add reference
|
|
auto refResult = refCounter->increment(hash, data.size());
|
|
REQUIRE(refResult.has_value());
|
|
}
|
|
|
|
// Remove references from some blocks
|
|
for (int i = 0; i < 3; ++i) {
|
|
auto refResult = refCounter->decrement(hashes[i]);
|
|
REQUIRE(refResult.has_value());
|
|
}
|
|
|
|
// Run garbage collection (with 0 second min age for testing)
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 0, .dryRun = false, .progressCallback = nullptr};
|
|
|
|
auto result = gc->collect(options);
|
|
REQUIRE(result.has_value());
|
|
|
|
const auto& stats = result.value();
|
|
CHECK(stats.blocksScanned == 3u); // 3 unreferenced blocks
|
|
CHECK(stats.blocksDeleted == 3u);
|
|
CHECK(stats.bytesReclaimed == 3u * data.size());
|
|
CHECK(stats.errors.empty());
|
|
|
|
// Verify unreferenced blocks were deleted
|
|
for (int i = 0; i < 3; ++i) {
|
|
auto exists = storageEngine->exists(hashes[i]);
|
|
REQUIRE(exists.has_value());
|
|
CHECK_FALSE(exists.value());
|
|
}
|
|
|
|
// Verify referenced blocks still exist
|
|
for (int i = 3; i < 5; ++i) {
|
|
auto exists = storageEngine->exists(hashes[i]);
|
|
REQUIRE(exists.has_value());
|
|
CHECK(exists.value());
|
|
}
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector dry run collection",
|
|
"[storage][gc][catch2]") {
|
|
// Store some unreferenced blocks
|
|
std::vector<std::byte> data(1024, std::byte{42});
|
|
std::vector<std::string> hashes;
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
auto hash = generateHash(100 + i);
|
|
hashes.push_back(hash);
|
|
|
|
// Store in storage engine
|
|
storageEngine->store(hash, data);
|
|
|
|
// Add and remove reference
|
|
refCounter->increment(hash, data.size());
|
|
refCounter->decrement(hash);
|
|
}
|
|
|
|
// Run dry-run collection
|
|
std::vector<std::string> progressHashes;
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 10,
|
|
.minAgeSeconds = 0,
|
|
.dryRun = true,
|
|
.progressCallback = [&progressHashes](const std::string& hash, size_t /*count*/) {
|
|
progressHashes.push_back(hash);
|
|
}};
|
|
|
|
auto result = gc->collect(options);
|
|
REQUIRE(result.has_value());
|
|
|
|
const auto& stats = result.value();
|
|
CHECK(stats.blocksScanned == 3u);
|
|
CHECK(stats.blocksDeleted == 0u); // dry-run: counted as scanned, not deleted
|
|
CHECK(stats.bytesReclaimed == 0u); // dry-run: no bytes actually reclaimed
|
|
CHECK(stats.errors.empty());
|
|
CHECK(progressHashes.size() == hashes.size());
|
|
|
|
// Verify blocks still exist (dry run)
|
|
for (const auto& hash : hashes) {
|
|
auto exists = storageEngine->exists(hash);
|
|
REQUIRE(exists.has_value());
|
|
CHECK(exists.value());
|
|
|
|
auto count = refCounter->getRefCount(hash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() == 0u);
|
|
}
|
|
|
|
auto lastStats = gc->getLastStats();
|
|
CHECK(lastStats.blocksScanned == stats.blocksScanned);
|
|
CHECK(lastStats.blocksDeleted == stats.blocksDeleted);
|
|
CHECK(lastStats.bytesReclaimed == stats.bytesReclaimed);
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture,
|
|
"GarbageCollector updates gc statistics only for committed deletions",
|
|
"[storage][gc][stats][catch2]") {
|
|
std::vector<std::byte> data(512, std::byte{7});
|
|
const auto hashA = generateHash(140);
|
|
const auto hashB = generateHash(141);
|
|
|
|
for (const auto& hash : {hashA, hashB}) {
|
|
REQUIRE(storageEngine->store(hash, data).has_value());
|
|
REQUIRE(refCounter->increment(hash, data.size()).has_value());
|
|
REQUIRE(refCounter->decrement(hash).has_value());
|
|
}
|
|
|
|
GCOptions dryRun{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 0, .dryRun = true, .progressCallback = nullptr};
|
|
auto dryRunResult = gc->collect(dryRun);
|
|
REQUIRE(dryRunResult.has_value());
|
|
CHECK(queryInt64(testDbPath,
|
|
"SELECT stat_value FROM ref_statistics WHERE stat_name='gc_runs'") == 0);
|
|
CHECK(queryInt64(
|
|
testDbPath,
|
|
"SELECT stat_value FROM ref_statistics WHERE stat_name='gc_blocks_collected'") == 0);
|
|
CHECK(queryInt64(
|
|
testDbPath,
|
|
"SELECT stat_value FROM ref_statistics WHERE stat_name='gc_bytes_reclaimed'") == 0);
|
|
|
|
GCOptions realRun{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 0, .dryRun = false, .progressCallback = nullptr};
|
|
auto realRunResult = gc->collect(realRun);
|
|
REQUIRE(realRunResult.has_value());
|
|
CHECK(realRunResult.value().blocksDeleted == 2u);
|
|
CHECK(queryInt64(testDbPath,
|
|
"SELECT stat_value FROM ref_statistics WHERE stat_name='gc_runs'") == 1);
|
|
CHECK(queryInt64(
|
|
testDbPath,
|
|
"SELECT stat_value FROM ref_statistics WHERE stat_name='gc_blocks_collected'") == 2);
|
|
CHECK(
|
|
queryInt64(testDbPath,
|
|
"SELECT stat_value FROM ref_statistics WHERE stat_name='gc_bytes_reclaimed'") ==
|
|
static_cast<int64_t>(2 * data.size()));
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector respects minimum age horizon",
|
|
"[storage][gc][edge][catch2]") {
|
|
std::vector<std::byte> data(1024, std::byte{42});
|
|
auto hash = generateHash(150);
|
|
|
|
REQUIRE(storageEngine->store(hash, data).has_value());
|
|
REQUIRE(refCounter->increment(hash, data.size()).has_value());
|
|
REQUIRE(refCounter->decrement(hash).has_value());
|
|
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 3600, .dryRun = false, .progressCallback = nullptr};
|
|
|
|
auto result = gc->collect(options);
|
|
REQUIRE(result.has_value());
|
|
|
|
const auto& stats = result.value();
|
|
CHECK(stats.blocksScanned == 0u);
|
|
CHECK(stats.blocksDeleted == 0u);
|
|
CHECK(stats.bytesReclaimed == 0u);
|
|
CHECK(stats.errors.empty());
|
|
|
|
auto exists = storageEngine->exists(hash);
|
|
REQUIRE(exists.has_value());
|
|
CHECK(exists.value());
|
|
|
|
auto count = refCounter->getRefCount(hash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() == 0u);
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture,
|
|
"GarbageCollector preserves failure evidence and continues after missing block",
|
|
"[storage][gc][edge][catch2]") {
|
|
std::vector<std::byte> data(1024, std::byte{42});
|
|
auto presentHash = generateHash(175);
|
|
auto missingHash = generateHash(176);
|
|
|
|
REQUIRE(storageEngine->store(presentHash, data).has_value());
|
|
|
|
REQUIRE(refCounter->increment(presentHash, data.size()).has_value());
|
|
REQUIRE(refCounter->decrement(presentHash).has_value());
|
|
|
|
REQUIRE(refCounter->increment(missingHash, data.size()).has_value());
|
|
REQUIRE(refCounter->decrement(missingHash).has_value());
|
|
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 0, .dryRun = false, .progressCallback = nullptr};
|
|
|
|
auto result = gc->collect(options);
|
|
REQUIRE(result.has_value());
|
|
|
|
const auto& stats = result.value();
|
|
CHECK(stats.blocksScanned == 2u);
|
|
CHECK(stats.blocksDeleted == 1u);
|
|
CHECK(stats.bytesReclaimed == data.size());
|
|
REQUIRE(stats.errors.size() == 1u);
|
|
CHECK(stats.errors.front().find(missingHash) != std::string::npos);
|
|
|
|
auto presentExists = storageEngine->exists(presentHash);
|
|
REQUIRE(presentExists.has_value());
|
|
CHECK_FALSE(presentExists.value());
|
|
|
|
auto missingExists = storageEngine->exists(missingHash);
|
|
REQUIRE(missingExists.has_value());
|
|
CHECK_FALSE(missingExists.value());
|
|
|
|
auto presentCount = refCounter->getRefCount(presentHash);
|
|
REQUIRE(presentCount.has_value());
|
|
CHECK(presentCount.value() == 0u);
|
|
|
|
auto missingCount = refCounter->getRefCount(missingHash);
|
|
REQUIRE(missingCount.has_value());
|
|
CHECK(missingCount.value() == 0u);
|
|
|
|
auto lastStats = gc->getLastStats();
|
|
CHECK(lastStats.blocksScanned == stats.blocksScanned);
|
|
CHECK(lastStats.blocksDeleted == stats.blocksDeleted);
|
|
CHECK(lastStats.errors == stats.errors);
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector async collection",
|
|
"[storage][gc][async][catch2]") {
|
|
// Create unreferenced block
|
|
std::vector<std::byte> data(1024, std::byte{42});
|
|
auto hash = generateHash(200);
|
|
|
|
storageEngine->store(hash, data);
|
|
refCounter->increment(hash, data.size());
|
|
refCounter->decrement(hash);
|
|
|
|
// Run async collection
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 0, .dryRun = false, .progressCallback = nullptr};
|
|
|
|
auto future = gc->collectAsync(options);
|
|
auto result = future.get();
|
|
|
|
REQUIRE(result.has_value());
|
|
const auto& stats = result.value();
|
|
CHECK(stats.blocksDeleted == 1u);
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector concurrent collection prevented",
|
|
"[storage][gc][concurrent][catch2]") {
|
|
// Create an unreferenced block so the garbage collector has work to do
|
|
std::vector<std::byte> data(1024, std::byte{42});
|
|
auto hash = generateHash(300);
|
|
storageEngine->store(hash, data);
|
|
refCounter->increment(hash, data.size());
|
|
refCounter->decrement(hash);
|
|
|
|
// Start a long-running collection
|
|
std::promise<void> collectionStartedPromise;
|
|
auto collectionStartedFuture = collectionStartedPromise.get_future();
|
|
std::atomic<bool> allowCompletion{false};
|
|
std::atomic<int> callbackCount{0};
|
|
|
|
GCOptions options{.maxBlocksPerRun = 10,
|
|
.minAgeSeconds = 0,
|
|
.dryRun = false,
|
|
.progressCallback = [&collectionStartedPromise, &allowCompletion,
|
|
&callbackCount](const std::string&, size_t) {
|
|
int count = callbackCount.fetch_add(1);
|
|
if (count == 0) {
|
|
// First call - signal that collection has started
|
|
collectionStartedPromise.set_value();
|
|
}
|
|
// Block until allowed to complete to ensure concurrent attempt fails
|
|
while (!allowCompletion) {
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
}
|
|
}};
|
|
|
|
// Start first collection
|
|
auto future1 = gc->collectAsync(options);
|
|
|
|
// Wait for it to start with timeout
|
|
auto status = collectionStartedFuture.wait_for(std::chrono::seconds(2));
|
|
REQUIRE(status != std::future_status::timeout);
|
|
|
|
// Small delay to ensure the async collection is actually running
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
|
|
// Try to start second collection - should fail immediately
|
|
auto result2 = gc->collect(options);
|
|
CHECK_FALSE(result2.has_value());
|
|
CHECK(result2.error().code == yams::ErrorCode::OperationInProgress);
|
|
|
|
// Allow first collection to complete
|
|
allowCompletion = true;
|
|
|
|
// Wait for completion with timeout
|
|
auto completeStatus = future1.wait_for(std::chrono::seconds(5));
|
|
REQUIRE(completeStatus != std::future_status::timeout);
|
|
|
|
auto result1 = future1.get();
|
|
CHECK(result1.has_value());
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector get last stats",
|
|
"[storage][gc][stats][catch2]") {
|
|
// Initially empty stats
|
|
auto stats = gc->getLastStats();
|
|
CHECK(stats.blocksScanned == 0u);
|
|
CHECK(stats.blocksDeleted == 0u);
|
|
|
|
// Run collection
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 0, .dryRun = true, .progressCallback = nullptr};
|
|
|
|
gc->collect(options);
|
|
|
|
// Get updated stats
|
|
stats = gc->getLastStats();
|
|
CHECK(stats.blocksScanned >= 0u);
|
|
CHECK(stats.duration.count() >= 0); // Duration can be 0 for very fast operations
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector isCollecting reflects active state",
|
|
"[storage][gc][isCollecting][catch2]") {
|
|
CHECK_FALSE(gc->isCollecting());
|
|
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 10, .minAgeSeconds = 0, .dryRun = true, .progressCallback = nullptr};
|
|
|
|
auto future = gc->collectAsync(options);
|
|
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
bool wasCollecting = gc->isCollecting();
|
|
|
|
future.wait();
|
|
CHECK_FALSE(gc->isCollecting());
|
|
(void)wasCollecting;
|
|
}
|
|
|
|
TEST_CASE_METHOD(GarbageCollectorFixture, "GarbageCollector scheduleCollection starts and stops",
|
|
"[storage][gc][schedule][catch2]") {
|
|
GCOptions options{
|
|
.maxBlocksPerRun = 5, .minAgeSeconds = 0, .dryRun = true, .progressCallback = nullptr};
|
|
|
|
CHECK_FALSE(gc->isCollecting());
|
|
|
|
gc->scheduleCollection(std::chrono::seconds(1), options);
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
|
|
|
gc->stopScheduledCollection();
|
|
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(200));
|
|
CHECK_FALSE(gc->isCollecting());
|
|
}
|
|
|
|
TEST_CASE("rebuildReferenceDatabase scans storage and populates refs.db",
|
|
"[storage][gc][rebuild][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto dbPath =
|
|
tempDir / std::format("yams_rebuild_refs_{}.db",
|
|
std::chrono::system_clock::now().time_since_epoch().count());
|
|
auto storagePath =
|
|
tempDir / std::format("yams_rebuild_storage_{}",
|
|
std::chrono::system_clock::now().time_since_epoch().count());
|
|
std::filesystem::create_directories(storagePath);
|
|
|
|
// Create a shard with test blocks
|
|
auto shardDir = storagePath / "aa";
|
|
std::filesystem::create_directories(shardDir);
|
|
|
|
std::string testHash = std::string(62, 'a') + "bb";
|
|
std::ofstream block(shardDir / (std::string(62, 'a') + "bb"));
|
|
block.write("test_block_content", 18);
|
|
block.close();
|
|
|
|
auto cleanup = [&] {
|
|
std::filesystem::remove_all(storagePath);
|
|
std::filesystem::remove(dbPath);
|
|
std::filesystem::remove(dbPath.string() + "-wal");
|
|
std::filesystem::remove(dbPath.string() + "-shm");
|
|
};
|
|
|
|
auto result = rebuildReferenceDatabase(dbPath, storagePath);
|
|
REQUIRE(result.has_value());
|
|
|
|
// Verify refs.db was created and has the expected entry
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
auto refCounter = createReferenceCounter(config);
|
|
|
|
auto count = refCounter->getRefCount(testHash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() >= 1u);
|
|
|
|
refCounter.reset();
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("rebuildReferenceDatabase handles empty storage gracefully",
|
|
"[storage][gc][rebuild][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto dbPath =
|
|
tempDir / std::format("yams_rebuild_empty_{}.db",
|
|
std::chrono::system_clock::now().time_since_epoch().count());
|
|
auto storagePath =
|
|
tempDir / std::format("yams_rebuild_empty_storage_{}",
|
|
std::chrono::system_clock::now().time_since_epoch().count());
|
|
std::filesystem::create_directories(storagePath);
|
|
|
|
auto cleanup = [&] {
|
|
std::filesystem::remove_all(storagePath);
|
|
std::filesystem::remove(dbPath);
|
|
std::filesystem::remove(dbPath.string() + "-wal");
|
|
std::filesystem::remove(dbPath.string() + "-shm");
|
|
};
|
|
|
|
auto result = rebuildReferenceDatabase(dbPath, storagePath);
|
|
REQUIRE(result.has_value());
|
|
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter recovery after forced close preserves committed data",
|
|
"[storage][refcount][crash][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto stamp = std::chrono::system_clock::now().time_since_epoch().count();
|
|
auto dbPath = tempDir / std::format("yams_refcount_crash_{}.db", stamp);
|
|
|
|
auto cleanup = [&] {
|
|
std::error_code ec;
|
|
std::filesystem::remove(dbPath, ec);
|
|
std::filesystem::remove(dbPath.string() + "-wal", ec);
|
|
std::filesystem::remove(dbPath.string() + "-shm", ec);
|
|
};
|
|
cleanup();
|
|
|
|
std::string committedHash;
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
committedHash = std::format("{:064x}", 1);
|
|
REQUIRE(counter.increment(committedHash, 1024, 1024).has_value());
|
|
}
|
|
|
|
REQUIRE(std::filesystem::exists(dbPath));
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
auto count = counter.getRefCount(committedHash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() >= 1u);
|
|
|
|
auto integrity = counter.verifyIntegrity();
|
|
REQUIRE(integrity.has_value());
|
|
CHECK(integrity.value());
|
|
}
|
|
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter recovers from uncommitted transaction after forced close",
|
|
"[storage][refcount][crash][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto stamp = std::chrono::system_clock::now().time_since_epoch().count();
|
|
auto dbPath = tempDir / std::format("yams_refcount_crash2_{}.db", stamp);
|
|
|
|
auto cleanup = [&] {
|
|
std::error_code ec;
|
|
std::filesystem::remove(dbPath, ec);
|
|
std::filesystem::remove(dbPath.string() + "-wal", ec);
|
|
std::filesystem::remove(dbPath.string() + "-shm", ec);
|
|
};
|
|
cleanup();
|
|
|
|
std::string committedHash;
|
|
std::string uncommittedHash;
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
committedHash = std::format("{:064x}", 10);
|
|
REQUIRE(counter.increment(committedHash, 512, 512).has_value());
|
|
|
|
uncommittedHash = std::format("{:064x}", 11);
|
|
auto txn = counter.beginTransaction();
|
|
REQUIRE(txn != nullptr);
|
|
txn->increment(uncommittedHash, 256, 256);
|
|
}
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
auto count = counter.getRefCount(committedHash);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() >= 1u);
|
|
|
|
auto orphanCount = counter.getRefCount(uncommittedHash);
|
|
REQUIRE(orphanCount.has_value());
|
|
CHECK(orphanCount.value() == 0u);
|
|
|
|
auto integrity = counter.verifyIntegrity();
|
|
REQUIRE(integrity.has_value());
|
|
CHECK(integrity.value());
|
|
}
|
|
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter rejects corrupted database file on open",
|
|
"[storage][refcount][crash][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto stamp = std::chrono::system_clock::now().time_since_epoch().count();
|
|
auto dbPath = tempDir / std::format("yams_refcount_corrupt_open_{}_invalid.db", stamp);
|
|
|
|
auto cleanup = [&] {
|
|
std::error_code ec;
|
|
std::filesystem::remove(dbPath, ec);
|
|
std::filesystem::remove(dbPath.string() + "-wal", ec);
|
|
std::filesystem::remove(dbPath.string() + "-shm", ec);
|
|
};
|
|
cleanup();
|
|
|
|
{
|
|
std::ofstream corrupt(dbPath.string(), std::ios::binary | std::ios::trunc);
|
|
REQUIRE(corrupt.good());
|
|
corrupt << "not a valid sqlite3 database file";
|
|
corrupt.close();
|
|
}
|
|
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
REQUIRE_THROWS_AS(ReferenceCounter(std::move(config)), std::exception);
|
|
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter returns consistent stats after interrupted commit recovery",
|
|
"[storage][refcount][crash][stats][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto stamp = std::chrono::system_clock::now().time_since_epoch().count();
|
|
auto dbPath = tempDir / std::format("yams_refcount_crash3_{}.db", stamp);
|
|
|
|
auto cleanup = [&] {
|
|
std::error_code ec;
|
|
std::filesystem::remove(dbPath, ec);
|
|
std::filesystem::remove(dbPath.string() + "-wal", ec);
|
|
std::filesystem::remove(dbPath.string() + "-shm", ec);
|
|
};
|
|
cleanup();
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
for (int i = 0; i < 10; ++i) {
|
|
REQUIRE(counter.increment(std::format("{:064x}", 100 + i), 1024, 1024).has_value());
|
|
}
|
|
|
|
auto txn = counter.beginTransaction();
|
|
REQUIRE(txn != nullptr);
|
|
txn->increment(std::format("{:064x}", 200), 512, 512);
|
|
txn->decrement(std::format("{:064x}", 100));
|
|
}
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
auto stats = counter.getStats();
|
|
REQUIRE(stats.has_value());
|
|
CHECK(stats.value().totalBlocks == 10u);
|
|
|
|
auto block0 = counter.hasReferences(std::format("{:064x}", 100));
|
|
REQUIRE(block0.has_value());
|
|
CHECK(block0.value());
|
|
|
|
auto block200 = counter.hasReferences(std::format("{:064x}", 200));
|
|
REQUIRE(block200.has_value());
|
|
CHECK_FALSE(block200.value());
|
|
}
|
|
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter multiple PENDING transactions survive force close",
|
|
"[storage][refcount][crash][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto stamp = std::chrono::system_clock::now().time_since_epoch().count();
|
|
auto dbPath = tempDir / std::format("yams_refcount_crash4_{}.db", stamp);
|
|
|
|
auto cleanup = [&] {
|
|
std::error_code ec;
|
|
std::filesystem::remove(dbPath, ec);
|
|
std::filesystem::remove(dbPath.string() + "-wal", ec);
|
|
std::filesystem::remove(dbPath.string() + "-shm", ec);
|
|
};
|
|
cleanup();
|
|
|
|
const std::string baseline = std::format("{:064x}", 500);
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
REQUIRE(counter.increment(baseline, 8192, 8192).has_value());
|
|
|
|
std::vector<std::unique_ptr<IReferenceCounter::ITransaction>> pending;
|
|
for (int i = 0; i < 5; ++i) {
|
|
auto txn = counter.beginTransaction();
|
|
REQUIRE(txn != nullptr);
|
|
txn->increment(std::format("{:064x}", 600 + i), 256, 256);
|
|
pending.push_back(std::move(txn));
|
|
}
|
|
}
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
auto count = counter.getRefCount(baseline);
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() >= 1u);
|
|
|
|
for (int i = 0; i < 5; ++i) {
|
|
auto orphan = counter.getRefCount(std::format("{:064x}", 600 + i));
|
|
REQUIRE(orphan.has_value());
|
|
CHECK(orphan.value() == 0u);
|
|
}
|
|
|
|
auto stats = counter.getStats();
|
|
REQUIRE(stats.has_value());
|
|
CHECK(stats.value().totalBlocks == 1u);
|
|
}
|
|
|
|
cleanup();
|
|
}
|
|
|
|
TEST_CASE("ReferenceCounter survives WAL-only checkpoint after forced close",
|
|
"[storage][refcount][crash][wal][catch2]") {
|
|
auto tempDir = std::filesystem::temp_directory_path();
|
|
auto stamp = std::chrono::system_clock::now().time_since_epoch().count();
|
|
auto dbPath = tempDir / std::format("yams_refcount_crash5_{}.db", stamp);
|
|
|
|
auto cleanup = [&] {
|
|
std::error_code ec;
|
|
std::filesystem::remove(dbPath, ec);
|
|
std::filesystem::remove(dbPath.string() + "-wal", ec);
|
|
std::filesystem::remove(dbPath.string() + "-shm", ec);
|
|
};
|
|
cleanup();
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
for (int i = 0; i < 20; ++i) {
|
|
REQUIRE(counter.increment(std::format("{:064x}", 700 + i), 512, 512).has_value());
|
|
}
|
|
|
|
REQUIRE(counter.checkpoint().has_value());
|
|
}
|
|
|
|
REQUIRE(std::filesystem::exists(dbPath));
|
|
|
|
{
|
|
ReferenceCounter::Config config{
|
|
.databasePath = dbPath, .enableWAL = true, .enableStatistics = true};
|
|
ReferenceCounter counter(std::move(config));
|
|
|
|
for (int i = 0; i < 20; ++i) {
|
|
auto count = counter.getRefCount(std::format("{:064x}", 700 + i));
|
|
REQUIRE(count.has_value());
|
|
CHECK(count.value() >= 1u);
|
|
}
|
|
|
|
auto integrity = counter.verifyIntegrity();
|
|
REQUIRE(integrity.has_value());
|
|
CHECK(integrity.value());
|
|
}
|
|
|
|
cleanup();
|
|
}
|