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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "broker_connection.h"
#include <QtCore/QString>
#include <QtTest/QtTest>
#include <QtTest/QSignalSpy>
#include <QtMqtt/QMqttClient>
class Tst_QMqttClient : public QObject
{
Q_OBJECT
public:
Tst_QMqttClient();
private Q_SLOTS:
void initTestCase();
void cleanupTestCase();
void stressTest_data();
void stressTest();
void stressTest2_data();
void stressTest2();
private:
QProcess m_brokerProcess;
QString m_testBroker;
quint16 m_port{1883};
};
Tst_QMqttClient::Tst_QMqttClient()
{
}
void Tst_QMqttClient::initTestCase()
{
m_testBroker = invokeOrInitializeBroker(&m_brokerProcess);
if (m_testBroker.isEmpty())
qFatal("No MQTT broker present to test against.");
}
void Tst_QMqttClient::cleanupTestCase()
{
}
void Tst_QMqttClient::stressTest_data()
{
QTest::addColumn<int>("qos");
QTest::newRow("qos0") << 0;
QTest::newRow("qos1") << 1;
QTest::newRow("qos2") << 2;
}
void Tst_QMqttClient::stressTest()
{
QFETCH(int, qos);
QMqttClient subscriber;
QMqttClient publisher;
subscriber.setHostname(m_testBroker);
subscriber.setPort(m_port);
publisher.setHostname(m_testBroker);
publisher.setPort(m_port);
quint64 messageCount = 0;
QMqttSubscription *subscription;
const QString testTopic = QLatin1String("Qt/benchmark/test/topic");
connect(&subscriber, &QMqttClient::connected, [&](){
subscription = subscriber.subscribe(testTopic);
if (!subscription)
qFatal("Failed to create subscription");
connect(subscription, &QMqttSubscription::messageReceived, [&](QMqttMessage) {
messageCount++;
publisher.publish(testTopic, QByteArray("some message"), qos);
});
publisher.connectToHost();
});
subscriber.connectToHost();
connect(&publisher, &QMqttClient::connected, [&]() {
publisher.publish(testTopic, QByteArray("initial message"), qos);
});
QTest::qWait(30000);
qDebug() << "Stress test result for QoS " << qos << ":" << messageCount;
}
void Tst_QMqttClient::stressTest2_data()
{
QTest::addColumn<int>("qos");
QTest::addColumn<int>("msgCount");
QTest::newRow("1/100") << 1 << 100;
QTest::newRow("1/1000") << 1 << 1000;
// Disable to avoid timeout
//QTest::newRow("1/10000") << 1 << 10000;
QTest::newRow("2/100") << 2 << 100;
QTest::newRow("2/1000") << 2 << 1000;
// Disabled as mosquitto is not able to handle this many message
// QTest::newRow("2/10000") << 2 << 10000;
}
void Tst_QMqttClient::stressTest2()
{
QFETCH(int, qos);
QFETCH(int, msgCount);
QSet<qint32> msgIds;
msgIds.reserve(msgCount);
QMqttClient publisher;
publisher.setHostname(m_testBroker);
publisher.setPort(m_port);
connect(&publisher, &QMqttClient::messageSent, [&msgIds](qint32 id) {
QVERIFY2(msgIds.contains(id), "Received messageSent for unknown id");
msgIds.remove(id);
});
QSignalSpy spy(&publisher, SIGNAL(connected()));
publisher.connectToHost();
QTRY_COMPARE(spy.count(), 1);
const QString topic = QLatin1String("Qt/benchmark/SomeTopic/Sub");
const QByteArray message("messageContent");
for (qint32 i = 0; i < msgCount; ++i) {
QSignalSpy writeSpy(publisher.transport(), SIGNAL(bytesWritten(qint64)));
const qint32 id = publisher.publish(topic, message, qos);
QTRY_VERIFY2(id != -1, "Could not publish message");
msgIds.insert(id);
QTRY_VERIFY(writeSpy.count() >= 1);
}
// Give some extra time depending on connection
if (msgCount > 1000)
QTest::qWait(5000);
QTRY_COMPARE(msgIds.count(), 0);
publisher.disconnectFromHost();
}
QTEST_MAIN(Tst_QMqttClient)
#include "tst_qmqttclient.moc"
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