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#include <QtTest>
#include <QString>
#include <QQueue>
#include "store.h"
#include "storage.h"
#include "messagequeue.h"
#include "log.h"
/**
* Test of the messagequeue implementation.
*/
class MessageQueueTest : public QObject
{
Q_OBJECT
private slots:
void initTestCase()
{
Sink::Log::setDebugOutputLevel(Sink::Log::Trace);
Sink::Storage store(Sink::Store::storageLocation(), "org.kde.dummy.testqueue", Sink::Storage::ReadWrite);
store.removeFromDisk();
}
void cleanupTestCase()
{
}
void cleanup()
{
Sink::Storage store(Sink::Store::storageLocation(), "org.kde.dummy.testqueue", Sink::Storage::ReadWrite);
store.removeFromDisk();
}
void testEmpty()
{
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
QVERIFY(queue.isEmpty());
queue.enqueue("value");
QVERIFY(!queue.isEmpty());
}
void testDequeueEmpty()
{
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
bool gotValue = false;
bool gotError = false;
queue.dequeue([&](void *ptr, int size, std::function<void(bool success)> callback) {
gotValue = true;
},
[&](const MessageQueue::Error &error) {
gotError = true;
});
QVERIFY(!gotValue);
QVERIFY(!gotError);
}
void testEnqueue()
{
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
QSignalSpy spy(&queue, SIGNAL(messageReady()));
queue.enqueue("value1");
QCOMPARE(spy.size(), 1);
}
void testDrained()
{
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
QSignalSpy spy(&queue, SIGNAL(drained()));
queue.enqueue("value1");
queue.dequeue([](void *ptr, int size, std::function<void(bool success)> callback) {
callback(true);
}, [](const MessageQueue::Error &error) {});
QCOMPARE(spy.size(), 1);
}
void testSyncDequeue()
{
QQueue<QByteArray> values;
values << "value1";
values << "value2";
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
for (const QByteArray &value : values) {
queue.enqueue(value);
}
while (!queue.isEmpty()) {
Log() << "start";
const auto expected = values.dequeue();
bool gotValue = false;
bool gotError = false;
queue.dequeue([&](void *ptr, int size, std::function<void(bool success)> callback) {
if (QByteArray(static_cast<char*>(ptr), size) == expected) {
gotValue = true;
}
callback(true);
},
[&](const MessageQueue::Error &error) {
gotError = true;
});
QVERIFY(gotValue);
QVERIFY(!gotError);
}
QVERIFY(values.isEmpty());
}
void testAsyncDequeue()
{
QQueue<QByteArray> values;
values << "value1";
values << "value2";
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
for (const QByteArray &value : values) {
queue.enqueue(value);
}
while (!queue.isEmpty()) {
QEventLoop eventLoop;
const auto expected = values.dequeue();
bool gotValue = false;
bool gotError = false;
queue.dequeue([&](void *ptr, int size, std::function<void(bool success)> callback) {
if (QByteArray(static_cast<char*>(ptr), size) == expected) {
gotValue = true;
}
auto timer = new QTimer();
timer->setSingleShot(true);
QObject::connect(timer, &QTimer::timeout, [timer, callback, &eventLoop]() {
delete timer;
callback(true);
eventLoop.exit();
});
timer->start(0);
},
[&](const MessageQueue::Error &error) {
gotError = true;
});
eventLoop.exec();
QVERIFY(gotValue);
QVERIFY(!gotError);
}
QVERIFY(values.isEmpty());
}
/*
* Dequeue's are async and we want to be able to enqueue new items in between.
*/
void testNestedEnqueue()
{
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
queue.enqueue("value1");
bool gotError = false;
queue.dequeue([&](void *ptr, int size, std::function<void(bool success)> callback) {
queue.enqueue("value3");
callback(true);
},
[&](const MessageQueue::Error &error) {
gotError = true;
});
QVERIFY(!gotError);
}
void testBatchDequeue()
{
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
queue.enqueue("value1");
queue.enqueue("value2");
queue.enqueue("value3");
int count = 0;
queue.dequeueBatch(2, [&count](const QByteArray &data) {
count++;
return KAsync::null<void>();
}).exec().waitForFinished();
QCOMPARE(count, 2);
queue.dequeueBatch(1, [&count](const QByteArray &data) {
count++;
return KAsync::null<void>();
}).exec().waitForFinished();
QCOMPARE(count, 3);
}
void testBatchEnqueue()
{
MessageQueue queue(Sink::Store::storageLocation(), "org.kde.dummy.testqueue");
QSignalSpy spy(&queue, SIGNAL(messageReady()));
queue.startTransaction();
queue.enqueue("value1");
queue.enqueue("value2");
queue.enqueue("value3");
QVERIFY(queue.isEmpty());
QCOMPARE(spy.count(), 0);
queue.commit();
QVERIFY(!queue.isEmpty());
QCOMPARE(spy.count(), 1);
}
};
QTEST_MAIN(MessageQueueTest)
#include "messagequeuetest.moc"
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