From f57dca821e2a33783ec0dd0af2f5c31daef4fa64 Mon Sep 17 00:00:00 2001 From: Aaron Seigo Date: Thu, 4 Dec 2014 19:23:09 +0100 Subject: kyoto! --- store/database.cpp | 220 ++++++++++++---------------------------- store/database.h | 5 +- store/test/CMakeLists.txt | 2 +- store/test/storagebenchmark.cpp | 21 ++-- 4 files changed, 81 insertions(+), 167 deletions(-) (limited to 'store') diff --git a/store/database.cpp b/store/database.cpp index 71ec47d..542667a 100644 --- a/store/database.cpp +++ b/store/database.cpp @@ -5,61 +5,46 @@ #include #include #include +#include #include #include #include -#include +#include class Database::Private { public: - Private(const QString &path); + Private(const QString &storageRoot, const QString &name); ~Private(); - MDB_dbi dbi; - MDB_env *env; - MDB_txn *transaction; - bool readTransaction; + kyotocabinet::TreeDB db; + bool dbOpen; + bool inTransaction; }; -Database::Private::Private(const QString &path) - : transaction(0), - readTransaction(false) +Database::Private::Private(const QString &storageRoot, const QString &name) + : inTransaction(false) { QDir dir; - dir.mkdir(path); + dir.mkdir(storageRoot); //create file - if (mdb_env_create(&env)) { + dbOpen = db.open((storageRoot + "/" + name + ".kch").toStdString(), kyotocabinet::BasicDB::OWRITER | kyotocabinet::BasicDB::OCREATE); + if (!dbOpen) { // TODO: handle error - } else { - int rc = mdb_env_open(env, path.toStdString().data(), 0, 0664); - - if (rc) { - std::cerr << "mdb_env_open: " << rc << " " << mdb_strerror(rc) << std::endl; - mdb_env_close(env); - env = 0; - } else { - const size_t dbSize = 10485760 * 100; //10MB * 100 - mdb_env_set_mapsize(env, dbSize); - } } } Database::Private::~Private() { - if (transaction) { - mdb_txn_abort(transaction); + if (dbOpen && inTransaction) { + db.end_transaction(false); } - - // it is still there and still unused, so we can shut it down - mdb_dbi_close(env, dbi); - mdb_env_close(env); } -Database::Database(const QString &path) - : d(new Private(path)) +Database::Database(const QString &storageRoot, const QString &name) + : d(new Private(storageRoot, name)) { } @@ -70,181 +55,110 @@ Database::~Database() bool Database::isInTransaction() const { - return d->transaction; + return d->inTransaction; } bool Database::startTransaction(TransactionType type) { - if (!d->env) { + if (!d->dbOpen) { return false; } - bool requestedRead = type == ReadOnly; - if (d->transaction && (!d->readTransaction || requestedRead)) { + if (d->inTransaction) { return true; } - if (d->transaction) { - // we are about to turn a read transaction into a writable one - abortTransaction(); - } - //TODO handle errors - int rc; - rc = mdb_txn_begin(d->env, NULL, requestedRead ? MDB_RDONLY : 0, &d->transaction); - if (!rc) { - rc = mdb_dbi_open(d->transaction, NULL, 0, &d->dbi); - } - - return !rc; + d->inTransaction = d->db.begin_transaction(); + return d->inTransaction; } bool Database::commitTransaction() { - if (!d->env) { + if (!d->dbOpen) { return false; } - if (!d->transaction) { + if (!d->inTransaction) { return false; } - int rc; - rc = mdb_txn_commit(d->transaction); - d->transaction = 0; - - if (rc) { - std::cerr << "mdb_txn_commit: " << rc << " " << mdb_strerror(rc) << std::endl; - } - - return !rc; + bool success = d->db.end_transaction(true); + d->inTransaction = false; + return success; } void Database::abortTransaction() { - if (!d->env || !d->transaction) { + if (!d->dbOpen || !d->inTransaction) { return; } - mdb_txn_abort(d->transaction); - d->transaction = 0; + d->db.end_transaction(false); + d->inTransaction = false; } -bool Database::write(const std::string &sKey, const std::string &sValue) +bool Database::write(const char *key, size_t keySize, const char *value, size_t valueSize) { - if (!d->env) { + if (!d->dbOpen) { return false; } - const bool implicitTransaction = !d->transaction || d->readTransaction; - if (implicitTransaction) { - // TODO: if this fails, still try the write below? - if (!startTransaction()) { - return false; - } - } - - int rc; - MDB_val key, data; - key.mv_size = sKey.size(); - key.mv_data = (void*)sKey.data(); - data.mv_size = sValue.size(); - data.mv_data = (void*)sValue.data(); - rc = mdb_put(d->transaction, d->dbi, &key, &data, 0); - - if (rc) { - std::cerr << "mdb_put: " << rc << " " << mdb_strerror(rc) << std::endl; - } + bool success = d->db.set(key, keySize, value, valueSize); + return success; +} - if (implicitTransaction) { - if (rc) { - abortTransaction(); - } else { - rc = commitTransaction(); - } +bool Database::write(const std::string &sKey, const std::string &sValue) +{ + if (!d->dbOpen) { + return false; } - return !rc; + bool success = d->db.set(sKey, sValue); + return success; } void Database::read(const std::string &sKey, const std::function &resultHandler) { - read(sKey, - [&](void *ptr, int size) { - const std::string resultValue(static_cast(ptr), size); - resultHandler(resultValue); - }); -// std::cout << "key: " << resultKey << " data: " << resultValue << std::endl; -} - -void Database::read(const std::string &sKey, const std::function &resultHandler) -{ - if (!d->env) { + if (!d->dbOpen) { return; } - int rc; - MDB_val key; - MDB_val data; - MDB_cursor *cursor; - - key.mv_size = sKey.size(); - key.mv_data = (void*)sKey.data(); - - /* -TODO: do we need a write transaction before a read transaction? only relevant for implicitTransactions in any case - { - //A write transaction is at least required the first time - rc = mdb_txn_begin(env, nullptr, 0, &txn); - //Open the database - //With this we could open multiple named databases if we wanted to - rc = mdb_dbi_open(txn, nullptr, 0, &dbi); - mdb_txn_abort(txn); - } - */ - const bool implicitTransaction = !d->transaction; - if (implicitTransaction) { - // TODO: if this fails, still try the write below? - if (!startTransaction(ReadOnly)) { - return; - } + std::string value; + if (d->db.get(sKey, &value)) { + resultHandler(value); } +} - rc = mdb_cursor_open(d->transaction, d->dbi, &cursor); - if (rc) { - std::cerr << "mdb_cursor_get: " << rc << " " << mdb_strerror(rc) << std::endl; +void Database::read(const std::string &sKey, const std::function &resultHandler) +{ + if (!d->dbOpen) { return; } - if (sKey.empty()) { - std::cout << "Iterating over all values of store!" << std::endl; - while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) { - resultHandler(key.mv_data, data.mv_size); - } - - //We never find the last value - if (rc == MDB_NOTFOUND) { - rc = 0; - } - } else { - if ((rc = mdb_cursor_get(cursor, &key, &data, MDB_SET)) == 0) { - resultHandler(data.mv_data, data.mv_size); - } else { - std::cout << "couldn't find value " << sKey << " " << std::endl; - } - } + size_t valueSize; + char *valueBuffer = d->db.get(sKey.data(), sKey.size(), &valueSize); + resultHandler(valueBuffer, valueSize); + delete[] valueBuffer; +} - if (rc) { - std::cerr << "mdb_cursor_get: " << rc << " " << mdb_strerror(rc) << std::endl; +qint64 Database::diskUsage() const +{ + if (!d->dbOpen) { + return 0; } - mdb_cursor_close(cursor); + QFileInfo info(QString::fromStdString(d->db.path())); + return info.size(); +} - /** - we don't abort the transaction since we need it for reading the values - if (implicitTransaction) { - abortTransaction(); +void Database::removeFromDisk() const +{ + if (!d->dbOpen) { + return; } - */ -} + QFileInfo info(QString::fromStdString(d->db.path())); + QDir dir = info.dir(); + dir.remove(info.fileName()); +} diff --git a/store/database.h b/store/database.h index 2bf0556..e752ff5 100644 --- a/store/database.h +++ b/store/database.h @@ -7,17 +7,20 @@ class Database { public: enum TransactionType { ReadOnly, ReadWrite }; - Database(const QString &path); + Database(const QString &storageRoot, const QString &name); ~Database(); bool isInTransaction() const; bool startTransaction(TransactionType type = ReadWrite); bool commitTransaction(); void abortTransaction(); + bool write(const char *key, size_t keySize, const char *value, size_t valueSize); bool write(const std::string &sKey, const std::string &sValue); //Perhaps prefer iterators (assuming we need to be able to match multiple values void read(const std::string &sKey, const std::function &); void read(const std::string &sKey, const std::function &); + qint64 diskUsage() const; + void removeFromDisk() const; private: class Private; Private * const d; diff --git a/store/test/CMakeLists.txt b/store/test/CMakeLists.txt index 4743cfb..1b9dc9e 100644 --- a/store/test/CMakeLists.txt +++ b/store/test/CMakeLists.txt @@ -12,7 +12,7 @@ macro(manual_tests) foreach(_testname ${ARGN}) add_executable(${_testname} ${_testname}.cpp ${store_SRCS}) qt5_use_modules(${_testname} Core Test) - target_link_libraries(${_testname} lmdb) + target_link_libraries(${_testname} kyotocabinet) endforeach(_testname) endmacro(auto_tests) diff --git a/store/test/storagebenchmark.cpp b/store/test/storagebenchmark.cpp index 3be90e9..d42dea8 100644 --- a/store/test/storagebenchmark.cpp +++ b/store/test/storagebenchmark.cpp @@ -46,21 +46,16 @@ class StorageBenchmark : public QObject private: //This should point to a directory on disk and not a ramdisk (since we're measuring performance) QString testDataPath; - QString dbPath; + QString dbName; QString filePath; const int count = 50000; private Q_SLOTS: void initTestCase() { - testDataPath = "./"; - dbPath = testDataPath + "testdb"; + testDataPath = "./testdb"; + dbName = "test"; filePath = testDataPath + "buffer.fb"; - - QDir dir(testDataPath); - dir.remove("testdb/data.mdb"); - dir.remove("testdb/lock.mdb"); - dir.remove(filePath); } void testWriteRead_data() @@ -79,7 +74,7 @@ private Q_SLOTS: Database *db = 0; if (useDb) { - db = new Database(dbPath); + db = new Database(testDataPath, dbName); } std::ofstream myfile; @@ -118,7 +113,7 @@ private Q_SLOTS: { for (int i = 0; i < count; i++) { if (db) { - db->read(keyPrefix + std::to_string(i), [](void *ptr, int size){}); + db->read(keyPrefix + std::to_string(i), [](std::string value){}); } } } @@ -149,9 +144,11 @@ private Q_SLOTS: void testSizes() { - QFileInfo dbInfo(dbPath, "data.mdb"); + Database db(testDataPath, dbName); + qDebug() << "Database size [kb]: " << db.diskUsage()/1024; + db.removeFromDisk(); + QFileInfo fileInfo(filePath); - qDebug() << "Database size [kb]: " << dbInfo.size()/1024; qDebug() << "File size [kb]: " << fileInfo.size()/1024; } }; -- cgit v1.2.3 From 767312e2063f4e58af3de0f27aba52de49e14295 Mon Sep 17 00:00:00 2001 From: Aaron Seigo Date: Fri, 5 Dec 2014 09:17:46 +0100 Subject: major reorg that puts Storage (previously Database) into common there is now a top-level tests dir, and a compile time switch for lmdb vs kyotocabinet --- store/CMakeLists.txt | 1 - store/database.cpp | 164 ---------------------------------------- store/database.h | 28 ------- store/test/CMakeLists.txt | 21 ----- store/test/calendar.fbs | 12 --- store/test/storagebenchmark.cpp | 157 -------------------------------------- 6 files changed, 383 deletions(-) delete mode 100644 store/CMakeLists.txt delete mode 100644 store/database.cpp delete mode 100644 store/database.h delete mode 100644 store/test/CMakeLists.txt delete mode 100644 store/test/calendar.fbs delete mode 100644 store/test/storagebenchmark.cpp (limited to 'store') diff --git a/store/CMakeLists.txt b/store/CMakeLists.txt deleted file mode 100644 index 552439e..0000000 --- a/store/CMakeLists.txt +++ /dev/null @@ -1 +0,0 @@ -add_subdirectory(test) diff --git a/store/database.cpp b/store/database.cpp deleted file mode 100644 index 542667a..0000000 --- a/store/database.cpp +++ /dev/null @@ -1,164 +0,0 @@ -#include "database.h" - -#include - -#include -#include -#include -#include -#include -#include -#include - -#include - -class Database::Private -{ -public: - Private(const QString &storageRoot, const QString &name); - ~Private(); - - kyotocabinet::TreeDB db; - bool dbOpen; - bool inTransaction; -}; - -Database::Private::Private(const QString &storageRoot, const QString &name) - : inTransaction(false) -{ - QDir dir; - dir.mkdir(storageRoot); - - //create file - dbOpen = db.open((storageRoot + "/" + name + ".kch").toStdString(), kyotocabinet::BasicDB::OWRITER | kyotocabinet::BasicDB::OCREATE); - if (!dbOpen) { - // TODO: handle error - } -} - -Database::Private::~Private() -{ - if (dbOpen && inTransaction) { - db.end_transaction(false); - } -} - -Database::Database(const QString &storageRoot, const QString &name) - : d(new Private(storageRoot, name)) -{ -} - -Database::~Database() -{ - delete d; -} - -bool Database::isInTransaction() const -{ - return d->inTransaction; -} - -bool Database::startTransaction(TransactionType type) -{ - if (!d->dbOpen) { - return false; - } - - if (d->inTransaction) { - return true; - } - - //TODO handle errors - d->inTransaction = d->db.begin_transaction(); - return d->inTransaction; -} - -bool Database::commitTransaction() -{ - if (!d->dbOpen) { - return false; - } - - if (!d->inTransaction) { - return false; - } - - bool success = d->db.end_transaction(true); - d->inTransaction = false; - return success; -} - -void Database::abortTransaction() -{ - if (!d->dbOpen || !d->inTransaction) { - return; - } - - d->db.end_transaction(false); - d->inTransaction = false; -} - -bool Database::write(const char *key, size_t keySize, const char *value, size_t valueSize) -{ - if (!d->dbOpen) { - return false; - } - - bool success = d->db.set(key, keySize, value, valueSize); - return success; -} - -bool Database::write(const std::string &sKey, const std::string &sValue) -{ - if (!d->dbOpen) { - return false; - } - - bool success = d->db.set(sKey, sValue); - return success; -} - -void Database::read(const std::string &sKey, const std::function &resultHandler) -{ - if (!d->dbOpen) { - return; - } - - std::string value; - if (d->db.get(sKey, &value)) { - resultHandler(value); - } -} - -void Database::read(const std::string &sKey, const std::function &resultHandler) -{ - if (!d->dbOpen) { - return; - } - - size_t valueSize; - char *valueBuffer = d->db.get(sKey.data(), sKey.size(), &valueSize); - resultHandler(valueBuffer, valueSize); - delete[] valueBuffer; -} - -qint64 Database::diskUsage() const -{ - if (!d->dbOpen) { - return 0; - } - - QFileInfo info(QString::fromStdString(d->db.path())); - return info.size(); -} - -void Database::removeFromDisk() const -{ - if (!d->dbOpen) { - return; - } - - QFileInfo info(QString::fromStdString(d->db.path())); - QDir dir = info.dir(); - dir.remove(info.fileName()); -} diff --git a/store/database.h b/store/database.h deleted file mode 100644 index e752ff5..0000000 --- a/store/database.h +++ /dev/null @@ -1,28 +0,0 @@ -#pragma once - -#include -#include - -class Database { -public: - enum TransactionType { ReadOnly, ReadWrite }; - - Database(const QString &storageRoot, const QString &name); - ~Database(); - bool isInTransaction() const; - bool startTransaction(TransactionType type = ReadWrite); - bool commitTransaction(); - void abortTransaction(); - bool write(const char *key, size_t keySize, const char *value, size_t valueSize); - bool write(const std::string &sKey, const std::string &sValue); - //Perhaps prefer iterators (assuming we need to be able to match multiple values - void read(const std::string &sKey, const std::function &); - void read(const std::string &sKey, const std::function &); - - qint64 diskUsage() const; - void removeFromDisk() const; -private: - class Private; - Private * const d; -}; - diff --git a/store/test/CMakeLists.txt b/store/test/CMakeLists.txt deleted file mode 100644 index 1b9dc9e..0000000 --- a/store/test/CMakeLists.txt +++ /dev/null @@ -1,21 +0,0 @@ -set(CMAKE_AUTOMOC ON) -include_directories(${CMAKE_CURRENT_BINARY_DIR}) - -set(store_path "../") -set(store_SRCS - ${store_path}/database.cpp -) - -generate_flatbuffers(calendar) - -macro(manual_tests) - foreach(_testname ${ARGN}) - add_executable(${_testname} ${_testname}.cpp ${store_SRCS}) - qt5_use_modules(${_testname} Core Test) - target_link_libraries(${_testname} kyotocabinet) - endforeach(_testname) -endmacro(auto_tests) - -manual_tests ( - storagebenchmark -) diff --git a/store/test/calendar.fbs b/store/test/calendar.fbs deleted file mode 100644 index 203ee43..0000000 --- a/store/test/calendar.fbs +++ /dev/null @@ -1,12 +0,0 @@ -// example IDL file - -namespace Calendar; - -table Event { - summary:string; - description:string; - attachment:[byte]; -} - -root_type Event; -file_identifier "AKFB"; diff --git a/store/test/storagebenchmark.cpp b/store/test/storagebenchmark.cpp deleted file mode 100644 index d42dea8..0000000 --- a/store/test/storagebenchmark.cpp +++ /dev/null @@ -1,157 +0,0 @@ -#include - -#include "calendar_generated.h" - -#include -#include - -#include -#include -#include -#include - -#include "store/database.h" - -using namespace Calendar; -using namespace flatbuffers; - -static std::string createEvent() -{ - FlatBufferBuilder fbb; - { - auto summary = fbb.CreateString("summary"); - - const int attachmentSize = 1024*2; // 2KB - int8_t rawData[attachmentSize]; - auto data = fbb.CreateVector(rawData, attachmentSize); - - Calendar::EventBuilder eventBuilder(fbb); - eventBuilder.add_summary(summary); - eventBuilder.add_attachment(data); - auto eventLocation = eventBuilder.Finish(); - FinishEventBuffer(fbb, eventLocation); - } - return std::string(reinterpret_cast(fbb.GetBufferPointer()), fbb.GetSize()); -} - -// static void readEvent(const std::string &data) -// { -// auto readEvent = GetEvent(data.c_str()); -// std::cout << readEvent->summary()->c_str() << std::endl; -// } - -class StorageBenchmark : public QObject -{ - Q_OBJECT -private: - //This should point to a directory on disk and not a ramdisk (since we're measuring performance) - QString testDataPath; - QString dbName; - QString filePath; - const int count = 50000; - -private Q_SLOTS: - void initTestCase() - { - testDataPath = "./testdb"; - dbName = "test"; - filePath = testDataPath + "buffer.fb"; - } - - void testWriteRead_data() - { - QTest::addColumn("useDb"); - QTest::addColumn("count"); - - QTest::newRow("db, 50k") << true << count; - QTest::newRow("file, 50k") << false << count; - } - - void testWriteRead() - { - QFETCH(bool, useDb); - QFETCH(int, count); - - Database *db = 0; - if (useDb) { - db = new Database(testDataPath, dbName); - } - - std::ofstream myfile; - myfile.open(filePath.toStdString()); - const char *keyPrefix = "key"; - - QTime time; - - time.start(); - { - auto event = createEvent(); - for (int i = 0; i < count; i++) { - if (db) { - if (i % 10000 == 0) { - if (i > 0) { - db->commitTransaction(); - } - db->startTransaction(); - } - - db->write(keyPrefix + std::to_string(i), event); - } else { - myfile << event; - } - } - - if (db) { - db->commitTransaction(); - } else { - myfile.close(); - } - } - const int writeDuration = time.restart(); - qDebug() << "Writing took[ms]: " << writeDuration; - - { - for (int i = 0; i < count; i++) { - if (db) { - db->read(keyPrefix + std::to_string(i), [](std::string value){}); - } - } - } - const int readDuration = time.restart(); - - if (db) { - qDebug() << "Reading took[ms]: " << readDuration; - } else { - qDebug() << "File reading is not implemented."; - } - - delete db; - } - - void testBufferCreation() - { - QTime time; - - time.start(); - { - for (int i = 0; i < count; i++) { - auto event = createEvent(); - } - } - const int bufferDuration = time.elapsed(); - qDebug() << "Creating buffers took[ms]: " << bufferDuration; - } - - void testSizes() - { - Database db(testDataPath, dbName); - qDebug() << "Database size [kb]: " << db.diskUsage()/1024; - db.removeFromDisk(); - - QFileInfo fileInfo(filePath); - qDebug() << "File size [kb]: " << fileInfo.size()/1024; - } -}; - -QTEST_MAIN(StorageBenchmark) -#include "storagebenchmark.moc" -- cgit v1.2.3 From ee41f8d17bdc667fbbbc83deeff766faf048cf5e Mon Sep 17 00:00:00 2001 From: Christian Mollekopf Date: Fri, 5 Dec 2014 00:57:03 +0100 Subject: A storagetest including concurrency read test. Conflicts: tests/CMakeLists.txt --- store/test/storagetest.cpp | 111 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 store/test/storagetest.cpp (limited to 'store') diff --git a/store/test/storagetest.cpp b/store/test/storagetest.cpp new file mode 100644 index 0000000..1b105af --- /dev/null +++ b/store/test/storagetest.cpp @@ -0,0 +1,111 @@ +#include + +#include + +#include +#include +#include + +#include "store/database.h" + +class StorageTest : public QObject +{ + Q_OBJECT +private: + //This should point to a directory on disk and not a ramdisk (since we're measuring performance) + QString testDataPath; + QString dbName; + const char *keyPrefix = "key"; + + void populate(int count) + { + Database db(testDataPath, dbName); + for (int i = 0; i < count; i++) { + //This should perhaps become an implementation detail of the db? + if (i % 10000 == 0) { + if (i > 0) { + db.commitTransaction(); + } + db.startTransaction(); + } + db.write(keyPrefix + std::to_string(i), keyPrefix + std::to_string(i)); + } + db.commitTransaction(); + } + + bool verify(Database &db, int i) + { + bool error = false; + const auto reference = keyPrefix + std::to_string(i); + db.read(keyPrefix + std::to_string(i), [&error, &reference](const std::string &value) { + if (value != reference) { + qDebug() << "Mismatch while reading"; + error = true; + } + }); + return !error; + } + +private Q_SLOTS: + void initTestCase() + { + testDataPath = "./testdb"; + dbName = "test"; + } + + void cleanupTestCase() + { + Database db(testDataPath, dbName); + db.removeFromDisk(); + } + + + void testRead() + { + const int count = 100; + + populate(count); + + //ensure we can read everything back correctly + { + Database db(testDataPath, dbName); + for (int i = 0; i < count; i++) { + QVERIFY(verify(db, i)); + } + } + + Database db(testDataPath, dbName); + db.removeFromDisk(); + } + + void testConcurrentRead() + { + const int count = 10000; + + populate(count); + + //Try to concurrently read + QList > futures; + const int concurrencyLevel = 4; + for (int num = 0; num < concurrencyLevel; num++) { + futures << QtConcurrent::run([this, count](){ + Database db(testDataPath, dbName); + for (int i = 0; i < count; i++) { + if (!verify(db, i)) { + qWarning() << "invalid value"; + break; + } + } + }); + } + for(auto future : futures) { + future.waitForFinished(); + } + + Database db(testDataPath, dbName); + db.removeFromDisk(); + } +}; + +QTEST_MAIN(StorageTest) +#include "storagetest.moc" -- cgit v1.2.3 From 0c1400c7f0cf2f545a6cd7347314c1158fbfa36f Mon Sep 17 00:00:00 2001 From: Aaron Seigo Date: Fri, 5 Dec 2014 09:33:35 +0100 Subject: mv storagetest.cpp to the right location --- store/test/storagetest.cpp | 111 --------------------------------------------- 1 file changed, 111 deletions(-) delete mode 100644 store/test/storagetest.cpp (limited to 'store') diff --git a/store/test/storagetest.cpp b/store/test/storagetest.cpp deleted file mode 100644 index 1b105af..0000000 --- a/store/test/storagetest.cpp +++ /dev/null @@ -1,111 +0,0 @@ -#include - -#include - -#include -#include -#include - -#include "store/database.h" - -class StorageTest : public QObject -{ - Q_OBJECT -private: - //This should point to a directory on disk and not a ramdisk (since we're measuring performance) - QString testDataPath; - QString dbName; - const char *keyPrefix = "key"; - - void populate(int count) - { - Database db(testDataPath, dbName); - for (int i = 0; i < count; i++) { - //This should perhaps become an implementation detail of the db? - if (i % 10000 == 0) { - if (i > 0) { - db.commitTransaction(); - } - db.startTransaction(); - } - db.write(keyPrefix + std::to_string(i), keyPrefix + std::to_string(i)); - } - db.commitTransaction(); - } - - bool verify(Database &db, int i) - { - bool error = false; - const auto reference = keyPrefix + std::to_string(i); - db.read(keyPrefix + std::to_string(i), [&error, &reference](const std::string &value) { - if (value != reference) { - qDebug() << "Mismatch while reading"; - error = true; - } - }); - return !error; - } - -private Q_SLOTS: - void initTestCase() - { - testDataPath = "./testdb"; - dbName = "test"; - } - - void cleanupTestCase() - { - Database db(testDataPath, dbName); - db.removeFromDisk(); - } - - - void testRead() - { - const int count = 100; - - populate(count); - - //ensure we can read everything back correctly - { - Database db(testDataPath, dbName); - for (int i = 0; i < count; i++) { - QVERIFY(verify(db, i)); - } - } - - Database db(testDataPath, dbName); - db.removeFromDisk(); - } - - void testConcurrentRead() - { - const int count = 10000; - - populate(count); - - //Try to concurrently read - QList > futures; - const int concurrencyLevel = 4; - for (int num = 0; num < concurrencyLevel; num++) { - futures << QtConcurrent::run([this, count](){ - Database db(testDataPath, dbName); - for (int i = 0; i < count; i++) { - if (!verify(db, i)) { - qWarning() << "invalid value"; - break; - } - } - }); - } - for(auto future : futures) { - future.waitForFinished(); - } - - Database db(testDataPath, dbName); - db.removeFromDisk(); - } -}; - -QTEST_MAIN(StorageTest) -#include "storagetest.moc" -- cgit v1.2.3