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/****************************************************************************
**
** Copyright (C) 2018 basysKom GmbH, opensource@basyskom.com
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtOpcUa module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QString>
#include <QtTest>
#include <QCoreApplication>
#include <QtOpcUa>
class OpcuaConnector
{
public:
OpcuaConnector(QOpcUaClient *client, const QString &endPoint)
: opcuaClient(client)
{
QVERIFY(opcuaClient != nullptr);
QSignalSpy connectedSpy(opcuaClient, &QOpcUaClient::connected);
QSignalSpy disconnectedSpy(opcuaClient, &QOpcUaClient::disconnected);
QSignalSpy stateSpy(opcuaClient, &QOpcUaClient::stateChanged);
QTest::qWait(500);
opcuaClient->connectToEndpoint(QUrl(endPoint));
QTRY_VERIFY2(opcuaClient->state() == QOpcUaClient::Connected, "Could not connect to server");
QCOMPARE(connectedSpy.count(), 1); // one connected signal fired
QCOMPARE(disconnectedSpy.count(), 0); // zero disconnected signals fired
QCOMPARE(stateSpy.count(), 2);
QCOMPARE(stateSpy.at(0).at(0).value<QOpcUaClient::ClientState>(),
QOpcUaClient::ClientState::Connecting);
QCOMPARE(stateSpy.at(1).at(0).value<QOpcUaClient::ClientState>(),
QOpcUaClient::ClientState::Connected);
stateSpy.clear();
connectedSpy.clear();
disconnectedSpy.clear();
QVERIFY(opcuaClient->url() == QUrl(endPoint));
}
~OpcuaConnector()
{
QSignalSpy connectedSpy(opcuaClient, &QOpcUaClient::connected);
QSignalSpy disconnectedSpy(opcuaClient, &QOpcUaClient::disconnected);
QSignalSpy stateSpy(opcuaClient, &QOpcUaClient::stateChanged);
QSignalSpy errorSpy(opcuaClient, &QOpcUaClient::errorChanged);
QVERIFY(opcuaClient != nullptr);
if (opcuaClient->state() == QOpcUaClient::Connected) {
opcuaClient->disconnectFromEndpoint();
QTRY_VERIFY(opcuaClient->state() == QOpcUaClient::Disconnected);
QCOMPARE(connectedSpy.count(), 0);
QCOMPARE(disconnectedSpy.count(), 1);
QCOMPARE(stateSpy.count(), 2);
QCOMPARE(stateSpy.at(0).at(0).value<QOpcUaClient::ClientState>(),
QOpcUaClient::ClientState::Closing);
QCOMPARE(stateSpy.at(1).at(0).value<QOpcUaClient::ClientState>(),
QOpcUaClient::ClientState::Disconnected);
QCOMPARE(errorSpy.size(), 0);
}
opcuaClient = nullptr;
}
QOpcUaClient *opcuaClient;
};
class EventsubscriptionTest : public QObject
{
Q_OBJECT
public:
EventsubscriptionTest();
private Q_SLOTS:
void initTestCase();
void cleanupTestCase();
void eventSubscription_data();
void eventSubscription();
private:
QVector<QOpcUaClient *> m_clients;
QString m_serverUrl;
};
EventsubscriptionTest::EventsubscriptionTest()
{
m_serverUrl = qEnvironmentVariable("TESTSERVER_URL",
QStringLiteral("opc.tcp://localhost:4840"));
}
void EventsubscriptionTest::initTestCase()
{
QOpcUaProvider provider;
const QStringList backends = provider.availableBackends();
for (auto it : backends) {
QOpcUaClient *temp = provider.createClient(it);
if (temp)
m_clients.append(temp);
else
QFAIL(QStringLiteral("Failed to create client for backend %1").arg(it).toUtf8().constData());
}
}
void EventsubscriptionTest::cleanupTestCase()
{
qDeleteAll(m_clients);
m_clients.clear();
}
void EventsubscriptionTest::eventSubscription_data()
{
QTest::addColumn<QOpcUaClient *>("client");
for (auto it : m_clients)
QTest::newRow(it->backend().toLatin1().constData()) << it;
}
/*
This manual test requires the open62541 tutorial_server_events.c example
for the server side
*/
void EventsubscriptionTest::eventSubscription()
{
QFETCH(QOpcUaClient *, client);
OpcuaConnector connector(client, m_serverUrl);
QScopedPointer<QOpcUaNode> serverNode(client->node("ns=0;i=2253")); // Server object
QVERIFY(serverNode != nullptr);
QScopedPointer<QOpcUaNode> objectsNode(client->node("ns=0;i=85")); // Objects folder
QVERIFY(objectsNode != nullptr);
qDebug() << "Node created";
QSignalSpy enabledSpy(serverNode.data(), &QOpcUaNode::enableMonitoringFinished);
QSignalSpy eventSpy(serverNode.data(), &QOpcUaNode::eventOccurred);
QOpcUaMonitoringParameters::EventFilter filter;
filter << QOpcUa::QSimpleAttributeOperand("Severity");
filter << QOpcUa::QSimpleAttributeOperand("Message");
// Where clause is not yet supported in the open62541 server
// // Only events with severity >= 700
// QOpcUa::QContentFilterElement whereElement;
// whereElement << QOpcUa::QContentFilterElement::FilterOperator::GreaterThanOrEqual << QOpcUa::QSimpleAttributeOperand("Severity") <<
// QOpcUa::QLiteralOperand(quint16(700), QOpcUa::Types::UInt16);
// filter << whereElement;
QOpcUaMonitoringParameters p(0);
p.setFilter(filter);
serverNode->enableMonitoring(QOpcUa::NodeAttribute::EventNotifier, p);
enabledSpy.wait();
QCOMPARE(enabledSpy.size(), 1);
QCOMPARE(enabledSpy.at(0).at(0).value<QOpcUa::NodeAttribute>(), QOpcUa::NodeAttribute::EventNotifier);
QCOMPARE(enabledSpy.at(0).at(1).value<QOpcUa::UaStatusCode>(), QOpcUa::UaStatusCode::Good);
QCOMPARE(serverNode->monitoringStatus(QOpcUa::NodeAttribute::EventNotifier).filter().value<QOpcUaMonitoringParameters::EventFilter>(),
filter);
// Disabled because the open62541 server does not currently return an EventFilterResult
// QVERIFY(serverNode->monitoringStatus(QOpcUa::NodeAttribute::EventNotifier).filterResult().isValid());
// QOpcUa::QEventFilterResult res = serverNode->monitoringStatus(QOpcUa::NodeAttribute::EventNotifier).filterResult().value<QOpcUa::QEventFilterResult>();
// QVERIFY(res.isGood() == true);
qDebug() << "Monitoring enabled, waiting for event...";
objectsNode->callMethod(QStringLiteral("ns=1;i=62541")); // Trigger event
eventSpy.wait();
QCOMPARE(eventSpy.size(), 1);
QCOMPARE(eventSpy.at(0).at(0).toList().size(), 2);
quint16 severity = eventSpy.at(0).at(0).toList().at(0).value<quint16>();
QOpcUa::QLocalizedText message = eventSpy.at(0).at(0).toList().at(1).value<QOpcUa::QLocalizedText>();
qDebug() << "Event received";
qDebug() << "Message:" << message.locale() << message.text();
qDebug() << "Severity:" << severity;
QCOMPARE(severity, 100);
QCOMPARE(message, QOpcUa::QLocalizedText("en-US", "An event has been generated."));
qDebug() << "Modifying event filter...";
eventSpy.clear();
QSignalSpy modifySpy(serverNode.data(), &QOpcUaNode::monitoringStatusChanged);
filter << QOpcUa::QSimpleAttributeOperand("SourceNode");
serverNode->modifyEventFilter(filter);
modifySpy.wait();
QCOMPARE(modifySpy.size(), 1);
QCOMPARE(modifySpy.at(0).at(0).value<QOpcUa::NodeAttribute>(), QOpcUa::NodeAttribute::EventNotifier);
QVERIFY(modifySpy.at(0).at(1).value<QOpcUaMonitoringParameters::Parameters>().testFlag(QOpcUaMonitoringParameters::Parameter::Filter) == true);
QCOMPARE(modifySpy.at(0).at(2).value<QOpcUa::UaStatusCode>(), QOpcUa::UaStatusCode::Good);
QCOMPARE(serverNode->monitoringStatus(QOpcUa::NodeAttribute::EventNotifier).filter().value<QOpcUaMonitoringParameters::EventFilter>(),
filter);
qDebug() << "EventFilter modified, waiting for event with additional SourceNode field...";
objectsNode->callMethod(QStringLiteral("ns=1;i=62541")); // Trigger event
eventSpy.wait();
QCOMPARE(eventSpy.size(), 1);
QCOMPARE(eventSpy.at(0).at(0).toList().size(), 3);
severity = eventSpy.at(0).at(0).toList().at(0).value<quint16>();
message = eventSpy.at(0).at(0).toList().at(1).value<QOpcUa::QLocalizedText>();
QString sourceNode = eventSpy.at(0).at(0).toList().at(2).toString();
qDebug() << "Event received";
qDebug() << "Message:" << message.locale() << message.text();
qDebug() << "Severity:" << severity;
qDebug() << "SourceNode:" << sourceNode;
QCOMPARE(severity, 100);
QCOMPARE(message, QOpcUa::QLocalizedText("en-US", "An event has been generated."));
QCOMPARE(sourceNode, QStringLiteral("ns=0;i=2253"));
QSignalSpy disabledSpy(serverNode.data(), &QOpcUaNode::disableMonitoringFinished);
serverNode->disableMonitoring(QOpcUa::NodeAttribute::EventNotifier);
disabledSpy.wait();
QCOMPARE(disabledSpy.size(), 1);
QCOMPARE(disabledSpy.at(0).at(0).value<QOpcUa::NodeAttribute>(), QOpcUa::NodeAttribute::EventNotifier);
QCOMPARE(disabledSpy.at(0).at(1).value<QOpcUa::UaStatusCode>(), QOpcUa::UaStatusCode::Good);
}
QTEST_MAIN(EventsubscriptionTest)
#include "tst_eventsubscription.moc"
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