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/******************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtMqtt module.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include "broker_connection.h"
#include <QtCore/QElapsedTimer>
#include <QtCore/QString>
#include <QtTest/QtTest>
#include <QtMqtt/QMqttClient>
#include <QtMqtt/QMqttConnectionProperties>
class tst_QMqttLastWillProperties : public QObject
{
Q_OBJECT
public:
tst_QMqttLastWillProperties();
private Q_SLOTS:
void initTestCase();
void cleanupTestCase();
void getSet();
void payloadFormat();
void willDelay_data();
void willDelay();
private:
QProcess m_brokerProcess;
QString m_testBroker;
quint16 m_port{1883};
};
tst_QMqttLastWillProperties::tst_QMqttLastWillProperties()
{
}
void tst_QMqttLastWillProperties::initTestCase()
{
m_testBroker = invokeOrInitializeBroker(&m_brokerProcess);
if (m_testBroker.isEmpty())
qFatal("No MQTT broker present to test against.");
}
void tst_QMqttLastWillProperties::cleanupTestCase()
{
}
void tst_QMqttLastWillProperties::getSet()
{
QMqttLastWillProperties properties;
QCOMPARE(properties.willDelayInterval(), 0u);
properties.setWillDelayInterval(50);
QCOMPARE(properties.willDelayInterval(), 50u);
QCOMPARE(properties.payloadFormatIndicator(), QMqtt::PayloadFormatIndicator::Unspecified);
properties.setPayloadFormatIndicator(QMqtt::PayloadFormatIndicator::UTF8Encoded);
QCOMPARE(properties.payloadFormatIndicator(), QMqtt::PayloadFormatIndicator::UTF8Encoded);
QCOMPARE(properties.messageExpiryInterval(), 0u);
properties.setMessageExpiryInterval(50);
QCOMPARE(properties.messageExpiryInterval(), 50u);
const QString content = QLatin1String("contentType");
const QString response = QLatin1String("Qt/some/responseTopic");
const QByteArray correlation(500, char('a'));
QCOMPARE(properties.contentType(), QString());
properties.setContentType(content);
QCOMPARE(properties.contentType(), content);
QCOMPARE(properties.responseTopic(), QString());
properties.setResponseTopic(response);
QCOMPARE(properties.responseTopic(), response);
QCOMPARE(properties.correlationData(), QByteArray());
properties.setCorrelationData(correlation);
QCOMPARE(properties.correlationData(), correlation);
QVERIFY(properties.userProperties().isEmpty());
QMqttUserProperties user;
user.append(QMqttStringPair(QLatin1String("SomeName"), QLatin1String("SomeValue")));
user.append(QMqttStringPair(QLatin1String("SomeName2"), QLatin1String("SomeValue2")));
properties.setUserProperties(user);
QCOMPARE(properties.userProperties(), user);
}
void tst_QMqttLastWillProperties::payloadFormat()
{
QMqttClient client;
client.setProtocolVersion(QMqttClient::MQTT_5_0);
client.setHostname(m_testBroker);
client.setPort(m_port);
client.setWillMessage(QString::fromLatin1("willmessage to utf8").toUtf8());
client.setWillTopic(QLatin1String("Qt/LastWillProperties/willtopic"));
client.setWillQoS(1);
QMqttLastWillProperties lastWill;
lastWill.setPayloadFormatIndicator(QMqtt::PayloadFormatIndicator::UTF8Encoded);
// The broker MAY verify the content is utf8
client.connectToHost();
QTRY_VERIFY2(client.state() == QMqttClient::Connected, "Could not connect to broker.");
}
void tst_QMqttLastWillProperties::willDelay_data()
{
QTest::addColumn<int>("delay");
QTest::addColumn<int>("expiry");
QTest::newRow("delay == expiry") << 5 << 5;
QTest::newRow("delay < expiry") << 3 << 10; // will delay is send first
QTest::newRow("delay > expiry") << 10 << 3; // will is send at expiry
QTest::newRow("delay > expiry(0)") << 5 << 0; // No expiry, hence will is send immediately
}
void tst_QMqttLastWillProperties::willDelay()
{
QFETCH(int, delay);
QFETCH(int, expiry);
QMqttClient client;
client.setProtocolVersion(QMqttClient::MQTT_5_0);
client.setHostname(m_testBroker);
client.setPort(m_port);
const QString wTopic{"Qt/lastwillproperties/willdelay"};
const QByteArray wMessage{"client got lost"};
client.setWillMessage(wMessage);
client.setWillQoS(2);
client.setWillTopic(wTopic);
if (expiry > 0) {
// If a session expires first, then last will is send immediately
QMqttConnectionProperties connectionProperties;
connectionProperties.setSessionExpiryInterval(quint32(expiry));
client.setConnectionProperties(connectionProperties);
}
QMqttLastWillProperties lastWillProperties;
lastWillProperties.setWillDelayInterval(quint32(delay));
client.setLastWillProperties(lastWillProperties);
client.connectToHost();
QTRY_VERIFY2(client.state() == QMqttClient::Connected, "Could not connect to broker");
QMqttClient recipient;
recipient.setProtocolVersion(QMqttClient::MQTT_5_0);
recipient.setHostname(m_testBroker);
recipient.setPort(m_port);
recipient.connectToHost();
QTRY_VERIFY2(recipient.state() == QMqttClient::Connected, "Could not connect to broker");
QElapsedTimer delayTimer;
bool receivedWill = false;
auto sub = recipient.subscribe(wTopic, 1);
connect(sub, &QMqttSubscription::messageReceived, this, [wMessage, &receivedWill](QMqttMessage m) {
if (m.payload() == wMessage)
receivedWill = true;
});
QTRY_VERIFY2(sub->state() == QMqttSubscription::Subscribed, "Could not subscribe.");
auto transport = client.transport();
transport->close(); // closing transport does not send DISCONNECT
delayTimer.start();
const int minimalWait = qMin(delay, expiry) * 1000;
const int maximumWait = 2 * (minimalWait == 0 ? 1000 : minimalWait);
QTRY_VERIFY2_WITH_TIMEOUT(receivedWill, "Did not receive a will message", delay * 1000 * 3);
const int elapsed = delayTimer.elapsed();
QVERIFY(elapsed > minimalWait);
QVERIFY(elapsed < maximumWait);
}
QTEST_MAIN(tst_QMqttLastWillProperties)
#include "tst_qmqttlastwillproperties.moc"
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