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#include <QtDBus/QDBusServiceWatcher>

#include <QtDBus>

#include <QtTest>

class tst_QDBusServiceWatcher: public QObject

{

    Q_OBJECT

    QString serviceName;

    int testCounter;

public:

    tst_QDBusServiceWatcher();

private slots:

    void initTestCase();

    void init();

    void watchForCreation();

    void watchForDisappearance();

    void watchForOwnerChange();

    void modeChange();

};

tst_QDBusServiceWatcher::tst_QDBusServiceWatcher()

    : testCounter(0)

{

}

void tst_QDBusServiceWatcher::initTestCase()

{

    QDBusConnection con = QDBusConnection::sessionBus();

    QVERIFY(con.isConnected());

}

void tst_QDBusServiceWatcher::init()

{

    // change the service name from test to test

    serviceName = "com.example.TestService" + QString::number(testCounter++);

}

void tst_QDBusServiceWatcher::watchForCreation()

{

    QDBusConnection con = QDBusConnection::sessionBus();

    QVERIFY(con.isConnected());

    QDBusServiceWatcher watcher(serviceName, con, QDBusServiceWatcher::WatchForRegistration);

    QSignalSpy spyR(&watcher, SIGNAL(serviceRegistered(QString)));

    QSignalSpy spyU(&watcher, SIGNAL(serviceUnregistered(QString)));

    QSignalSpy spyO(&watcher, SIGNAL(serviceOwnerChanged(QString,QString,QString)));

    QTestEventLoop::instance().connect(&watcher, SIGNAL(serviceRegistered(QString)), SLOT(exitLoop()));

    // register a name

    QVERIFY(con.registerService(serviceName));

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!QTestEventLoop::instance().timeout());

    QCOMPARE(spyR.count(), 1);

    QCOMPARE(spyR.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyU.count(), 0);

    QCOMPARE(spyO.count(), 1);

    QCOMPARE(spyO.at(0).at(0).toString(), serviceName);

    QVERIFY(spyO.at(0).at(1).toString().isEmpty());

    QCOMPARE(spyO.at(0).at(2).toString(), con.baseService());

    spyR.clear();

    spyU.clear();

    spyO.clear();

    // unregister it:

    con.unregisterService(serviceName);

    // and register again

    QVERIFY(con.registerService(serviceName));

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!QTestEventLoop::instance().timeout());

    QCOMPARE(spyR.count(), 1);

    QCOMPARE(spyR.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyU.count(), 0);

    QCOMPARE(spyO.count(), 1);

    QCOMPARE(spyO.at(0).at(0).toString(), serviceName);

    QVERIFY(spyO.at(0).at(1).toString().isEmpty());

    QCOMPARE(spyO.at(0).at(2).toString(), con.baseService());

}

void tst_QDBusServiceWatcher::watchForDisappearance()

{

    QDBusConnection con = QDBusConnection::sessionBus();

    QVERIFY(con.isConnected());

    QDBusServiceWatcher watcher(serviceName, con, QDBusServiceWatcher::WatchForUnregistration);

    watcher.setObjectName("watcher for disappearance");

    QSignalSpy spyR(&watcher, SIGNAL(serviceRegistered(QString)));

    QSignalSpy spyU(&watcher, SIGNAL(serviceUnregistered(QString)));

    QSignalSpy spyO(&watcher, SIGNAL(serviceOwnerChanged(QString,QString,QString)));

    QTestEventLoop::instance().connect(&watcher, SIGNAL(serviceUnregistered(QString)), SLOT(exitLoop()));

    // register a name

    QVERIFY(con.registerService(serviceName));

    // unregister it:

    con.unregisterService(serviceName);

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!QTestEventLoop::instance().timeout());

    QCOMPARE(spyR.count(), 0);

    QCOMPARE(spyU.count(), 1);

    QCOMPARE(spyU.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyO.count(), 1);

    QCOMPARE(spyO.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyO.at(0).at(1).toString(), con.baseService());

    QVERIFY(spyO.at(0).at(2).toString().isEmpty());

}

void tst_QDBusServiceWatcher::watchForOwnerChange()

{

    QDBusConnection con = QDBusConnection::sessionBus();

    QVERIFY(con.isConnected());

    QDBusServiceWatcher watcher(serviceName, con, QDBusServiceWatcher::WatchForOwnerChange);

    QSignalSpy spyR(&watcher, SIGNAL(serviceRegistered(QString)));

    QSignalSpy spyU(&watcher, SIGNAL(serviceUnregistered(QString)));

    QSignalSpy spyO(&watcher, SIGNAL(serviceOwnerChanged(QString,QString,QString)));

    QTestEventLoop::instance().connect(&watcher, SIGNAL(serviceRegistered(QString)), SLOT(exitLoop()));

    // register a name

    QVERIFY(con.registerService(serviceName));

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!QTestEventLoop::instance().timeout());

    QCOMPARE(spyR.count(), 1);

    QCOMPARE(spyR.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyU.count(), 0);

    QCOMPARE(spyO.count(), 1);

    QCOMPARE(spyO.at(0).at(0).toString(), serviceName);

    QVERIFY(spyO.at(0).at(1).toString().isEmpty());

    QCOMPARE(spyO.at(0).at(2).toString(), con.baseService());

    spyR.clear();

    spyU.clear();

    spyO.clear();

    // unregister it:

    con.unregisterService(serviceName);

    // and register again

    QVERIFY(con.registerService(serviceName));

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!QTestEventLoop::instance().timeout());

    QCOMPARE(spyR.count(), 1);

    QCOMPARE(spyR.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyU.count(), 1);

    QCOMPARE(spyU.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyO.count(), 2);

    QCOMPARE(spyO.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyO.at(0).at(1).toString(), con.baseService());

    QVERIFY(spyO.at(0).at(2).toString().isEmpty());

    QCOMPARE(spyO.at(1).at(0).toString(), serviceName);

    QVERIFY(spyO.at(1).at(1).toString().isEmpty());

    QCOMPARE(spyO.at(1).at(2).toString(), con.baseService());

}

void tst_QDBusServiceWatcher::modeChange()

{

    QDBusConnection con = QDBusConnection::sessionBus();

    QVERIFY(con.isConnected());

    QDBusServiceWatcher watcher(serviceName, con, QDBusServiceWatcher::WatchForRegistration);

    QSignalSpy spyR(&watcher, SIGNAL(serviceRegistered(QString)));

    QSignalSpy spyU(&watcher, SIGNAL(serviceUnregistered(QString)));

    QSignalSpy spyO(&watcher, SIGNAL(serviceOwnerChanged(QString,QString,QString)));

    QTestEventLoop::instance().connect(&watcher, SIGNAL(serviceRegistered(QString)), SLOT(exitLoop()));

    // register a name

    QVERIFY(con.registerService(serviceName));

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!QTestEventLoop::instance().timeout());

    QCOMPARE(spyR.count(), 1);

    QCOMPARE(spyR.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyU.count(), 0);

    QCOMPARE(spyO.count(), 1);

    QCOMPARE(spyO.at(0).at(0).toString(), serviceName);

    QVERIFY(spyO.at(0).at(1).toString().isEmpty());

    QCOMPARE(spyO.at(0).at(2).toString(), con.baseService());

    spyR.clear();

    spyU.clear();

    spyO.clear();

    watcher.setWatchMode(QDBusServiceWatcher::WatchForUnregistration);

    // unregister it:

    con.unregisterService(serviceName);

    QTestEventLoop::instance().connect(&watcher, SIGNAL(serviceUnregistered(QString)), SLOT(exitLoop()));

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!QTestEventLoop::instance().timeout());

    QCOMPARE(spyR.count(), 0);

    QCOMPARE(spyU.count(), 1);

    QCOMPARE(spyU.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyO.count(), 1);

    QCOMPARE(spyO.at(0).at(0).toString(), serviceName);

    QCOMPARE(spyO.at(0).at(1).toString(), con.baseService());

    QVERIFY(spyO.at(0).at(2).toString().isEmpty());

}

QTEST_MAIN(tst_QDBusServiceWatcher)

#include "tst_qdbusservicewatcher.moc"