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#include <QtTest>
#include "calendar_generated.h"
#include <iostream>
#include <fstream>
#include <QDebug>
#include <QString>
#include <QTime>
#include "common/storage.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<const char *>(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 cleanupTestCase()
{
Storage store(testDataPath, dbName);
store.removeFromDisk();
}
void testWriteRead_data()
{
QTest::addColumn<bool>("useDb");
QTest::addColumn<int>("count");
QTest::newRow("db, 50k") << true << count;
QTest::newRow("file, 50k") << false << count;
}
void testWriteRead()
{
QFETCH(bool, useDb);
QFETCH(int, count);
Storage *store = 0;
if (useDb) {
store = new Storage(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 (store) {
if (i % 10000 == 0) {
if (i > 0) {
store->commitTransaction();
}
store->startTransaction();
}
store->write(keyPrefix + std::to_string(i), event);
} else {
myfile << event;
}
}
if (store) {
store->commitTransaction();
} else {
myfile.close();
}
}
const int writeDuration = time.restart();
qDebug() << "Writing took[ms]: " << writeDuration;
{
for (int i = 0; i < count; i++) {
if (store) {
store->read(keyPrefix + std::to_string(i), [](std::string value){});
}
}
}
const int readDuration = time.restart();
if (store) {
qDebug() << "Reading took[ms]: " << readDuration;
} else {
qDebug() << "File reading is not implemented.";
}
delete store;
}
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()
{
Storage store(testDataPath, dbName);
qDebug() << "Database size [kb]: " << store.diskUsage()/1024;
QFileInfo fileInfo(filePath);
qDebug() << "File size [kb]: " << fileInfo.size()/1024;
}
};
QTEST_MAIN(StorageBenchmark)
#include "storagebenchmark.moc"
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