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#include <QtCore/QObject>

#include <QtCore/QVariant>

#include <QtCore/QList>

#include <QtCore/QVector>

#include <QtTest/QtTest>

#include <QtDBus>

Q_DECLARE_METATYPE(QVariant)

Q_DECLARE_METATYPE(QList<int>)

Q_DECLARE_METATYPE(QVector<int>)

class tst_QDBusLocalCalls: public QObject

{

    Q_OBJECT

    Q_CLASSINFO("D-Bus Interface", "local.tst_QDBusLocalCalls")

    QDBusConnection conn;

public:

    tst_QDBusLocalCalls();

public Q_SLOTS:

    Q_SCRIPTABLE int echo(int value)

    { return value; }

    Q_SCRIPTABLE QString echo(const QString &value)

    { return value; }

    Q_SCRIPTABLE QDBusVariant echo(const QDBusVariant &value)

    { return value; }

    Q_SCRIPTABLE QVector<int> echo(const QVector<int> &value)

    { return value; }

    Q_SCRIPTABLE QString echo2(const QStringList &list, QString &out)

    { out = list[1]; return list[0]; }

    Q_SCRIPTABLE void delayed(const QDBusMessage &msg)

    { msg.setDelayedReply(true); }

protected Q_SLOTS:

    void replyReceived(QDBusPendingCallWatcher *watcher);

private Q_SLOTS:

    void initTestCase();

    void makeInvalidCalls();

    void makeCalls_data();

    void makeCalls();

    void makeCallsVariant_data();

    void makeCallsVariant();

    void makeCallsTwoRets();

    void makeCallsComplex();

    void makeDelayedCalls();

    void asyncReplySignal();

private:

    QVariantList asyncReplyArgs;

    QDBusMessage doCall(const QDBusMessage &call);

};

tst_QDBusLocalCalls::tst_QDBusLocalCalls()

    : conn(QDBusConnection::sessionBus())

{

}

QDBusMessage tst_QDBusLocalCalls::doCall(const QDBusMessage &call)

{

    QFETCH_GLOBAL(bool, useAsync);

    if (useAsync) {

        QDBusPendingCall ac = conn.asyncCall(call);

        ac.waitForFinished();

        return ac.reply();

    } else {

        return conn.call(call);

    }

}

void tst_QDBusLocalCalls::replyReceived(QDBusPendingCallWatcher *watcher)

{

    asyncReplyArgs = watcher->reply().arguments();

    QTestEventLoop::instance().exitLoop();

}

void tst_QDBusLocalCalls::initTestCase()

{

    QVERIFY(conn.isConnected());

    QVERIFY(conn.registerObject("/", this, QDBusConnection::ExportScriptableSlots));

    QTest::addColumn<bool>("useAsync");

    QTest::newRow("sync") << false;

    QTest::newRow("async") << true;

}

void tst_QDBusLocalCalls::makeCalls_data()

{

    QTest::addColumn<QVariant>("value");

    QTest::newRow("int") << QVariant(42);

    QTest::newRow("string") << QVariant("Hello, world");

}

void tst_QDBusLocalCalls::makeCallsVariant_data()

{

    makeCalls_data();

}

void tst_QDBusLocalCalls::makeInvalidCalls()

{

    {

        QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                              "/", QString(), "echo");

        QDBusMessage replyMsg = doCall(callMsg);

        QCOMPARE(int(replyMsg.type()), int(QDBusMessage::ErrorMessage));

        QDBusError error(replyMsg);

        QCOMPARE(int(error.type()), int(QDBusError::UnknownMethod));

    }

    {

        QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                              "/no_object", QString(), "echo");

        QDBusMessage replyMsg = doCall(callMsg);

        QCOMPARE(int(replyMsg.type()), int(QDBusMessage::ErrorMessage));

        QDBusError error(replyMsg);

        QCOMPARE(int(error.type()), int(QDBusError::UnknownObject));

    }

}

void tst_QDBusLocalCalls::makeCalls()

{

    QFETCH(QVariant, value);

    QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                          "/", QString(), "echo");

    callMsg << value;

    QDBusMessage replyMsg = doCall(callMsg);

    QCOMPARE(int(replyMsg.type()), int(QDBusMessage::ReplyMessage));

    QVariantList replyArgs = replyMsg.arguments();

    QCOMPARE(replyArgs.count(), 1);

    QCOMPARE(replyArgs.at(0), value);

}

void tst_QDBusLocalCalls::makeCallsVariant()

{

    QFETCH(QVariant, value);

    QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                          "/", QString(), "echo");

    callMsg << qVariantFromValue(QDBusVariant(value));

    QDBusMessage replyMsg = doCall(callMsg);

    QCOMPARE(int(replyMsg.type()), int(QDBusMessage::ReplyMessage));

    QVariantList replyArgs = replyMsg.arguments();

    QCOMPARE(replyArgs.count(), 1);

    const QVariant &reply = replyArgs.at(0);

    QCOMPARE(reply.userType(), qMetaTypeId<QDBusVariant>());

    QCOMPARE(qvariant_cast<QDBusVariant>(reply).variant(), value);

}

void tst_QDBusLocalCalls::makeCallsTwoRets()

{

    QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                          "/", QString(), "echo2");

    callMsg << (QStringList() << "One" << "Two");

    QDBusMessage replyMsg = doCall(callMsg);

    QCOMPARE(int(replyMsg.type()), int(QDBusMessage::ReplyMessage));

    QVariantList replyArgs = replyMsg.arguments();

    QCOMPARE(replyArgs.count(), 2);

    QCOMPARE(replyArgs.at(0).toString(), QString::fromLatin1("One"));

    QCOMPARE(replyArgs.at(1).toString(), QString::fromLatin1("Two"));

}

void tst_QDBusLocalCalls::makeCallsComplex()

{

    qDBusRegisterMetaType<QList<int> >();

    qDBusRegisterMetaType<QVector<int> >();

    QList<int> value;

    value << 1 << -42 << 47;

    QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                          "/", QString(), "echo");

    callMsg << qVariantFromValue(value);

    QDBusMessage replyMsg = doCall(callMsg);

    QCOMPARE(int(replyMsg.type()), int(QDBusMessage::ReplyMessage));

    QVariantList replyArgs = replyMsg.arguments();

    QCOMPARE(replyArgs.count(), 1);

    const QVariant &reply = replyArgs.at(0);

    QCOMPARE(reply.userType(), qMetaTypeId<QDBusArgument>());

    QCOMPARE(qdbus_cast<QList<int> >(reply), value);

}

void tst_QDBusLocalCalls::makeDelayedCalls()

{

    QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                          "/", QString(), "delayed");

    QTest::ignoreMessage(QtWarningMsg, "QDBusConnection: cannot call local method 'delayed' at object / (with signature '') on blocking mode");

    QDBusMessage replyMsg = doCall(callMsg);

    QCOMPARE(int(replyMsg.type()), int(QDBusMessage::ErrorMessage));

    QDBusError error(replyMsg);

    QCOMPARE(int(error.type()), int(QDBusError::InternalError));

}

void tst_QDBusLocalCalls::asyncReplySignal()

{

    QFETCH_GLOBAL(bool, useAsync);

    if (!useAsync)

        return;                 // this test only works in async mode

    QDBusMessage callMsg = QDBusMessage::createMethodCall(conn.baseService(),

                                                          "/", QString(), "echo");

    callMsg << "Hello World";

    QDBusPendingCall ac = conn.asyncCall(callMsg);

    if (ac.isFinished())

        QSKIP("Test ignored: the local-loop async call is already finished", SkipAll);

    QDBusPendingCallWatcher watch(ac);

    connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),

            SLOT(replyReceived(QDBusPendingCallWatcher*)));

    QTestEventLoop::instance().enterLoop(2);

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

    QVERIFY(ac.isFinished());

    QVERIFY(!ac.isError());

    QVERIFY(!asyncReplyArgs.isEmpty());

    QCOMPARE(asyncReplyArgs.at(0).toString(), QString("Hello World"));

}

QTEST_MAIN(tst_QDBusLocalCalls)

#include "tst_qdbuslocalcalls.moc"