qt5base-lts/tests/auto/qdbuspendingcall/tst_qdbuspendingcall.cpp
Qt by Nokia 38be0d1383 Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:

http://qt.gitorious.org/qt/pages/GitIntroductionWithQt

If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.

Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

557 lines
16 KiB
C++

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QObject>
#include <QtCore/QVariant>
#include <QtCore/QList>
#include <QtCore/QThread>
#include <QtCore/QVector>
#include <QtTest/QtTest>
#ifndef QT_NO_DBUS
#include <QtDBus>
#define TEST_INTERFACE_NAME "com.trolltech.QtDBus.MyObject"
class MyObject : public QDBusAbstractAdaptor
{
Q_OBJECT
Q_CLASSINFO("D-Bus Interface", "com.trolltech.QtDBus.MyObject")
public:
MyObject(QObject* parent =0)
: QDBusAbstractAdaptor(parent)
{}
public slots:
QStringList returnFoo() const
{ return QStringList() << QString::fromLatin1("foo"); }
void returnError(const QDBusMessage &msg) const
{
msg.setDelayedReply(true);
QDBusConnection::sessionBus().send(msg.createErrorReply("dbuspendingcall_error", ""));
}
};
class tst_QDBusPendingCall: public QObject
{
Q_OBJECT
public:
tst_QDBusPendingCall();
public Q_SLOTS:
void callback(const QStringList &list);
void errorCallback(const QDBusError &error);
void finished(QDBusPendingCallWatcher *call);
void makeCall();
private Q_SLOTS:
void initTestCase();
void waitForFinished();
void waitForFinished_error();
// void setReplyCallback();
void watcher();
void watcher_error();
void watcher_waitForFinished();
void watcher_waitForFinished_threaded();
void watcher_waitForFinished_alreadyFinished();
void watcher_waitForFinished_alreadyFinished_eventLoop();
void watcher_waitForFinished_error();
void callInsideWaitForFinished();
void callWithCallback_localLoop();
void callWithCallback_localLoop_errorReply();
private:
QDBusPendingCall sendMessage();
QDBusPendingCall sendError();
QDBusConnection conn;
enum { CallbackCalled, ErrorCallbackCalled, FinishCalled, MakeCallCalled };
int slotCalled;
int callCount;
QStringList callbackArgument;
QDBusError errorArgument;
QDBusPendingCallWatcher *watchArgument;
MyObject *obj;
};
tst_QDBusPendingCall::tst_QDBusPendingCall()
: conn(QDBusConnection::sessionBus())
, obj(new MyObject(this))
{
}
void tst_QDBusPendingCall::finished(QDBusPendingCallWatcher *call)
{
slotCalled = FinishCalled;
++callCount;
watchArgument = call;
if (QThread::currentThread() == thread())
QTestEventLoop::instance().exitLoop();
}
void tst_QDBusPendingCall::callback(const QStringList &list)
{
slotCalled = CallbackCalled;
++callCount;
callbackArgument = list;
QTestEventLoop::instance().exitLoop();
}
void tst_QDBusPendingCall::errorCallback(const QDBusError &error)
{
slotCalled = ErrorCallbackCalled;
++callCount;
errorArgument = error;
QTestEventLoop::instance().exitLoop();
}
void tst_QDBusPendingCall::makeCall()
{
// make an external call to D-Bus to make sure we haven't left any locks
slotCalled = MakeCallCalled;
++callCount;
sendMessage().waitForFinished();
}
void tst_QDBusPendingCall::initTestCase()
{
QVERIFY(conn.isConnected());
QVERIFY(conn.registerObject("/", this));
}
QDBusPendingCall tst_QDBusPendingCall::sendMessage()
{
QDBusMessage msg = QDBusMessage::createMethodCall("org.freedesktop.DBus",
"/",
"org.freedesktop.DBus",
"ListNames");
return conn.asyncCall(msg);
}
QDBusPendingCall tst_QDBusPendingCall::sendError()
{
QDBusMessage msg = QDBusMessage::createMethodCall("org.freedesktop.DBus",
"/",
"org.freedesktop.DBus",
"ThisNameWontExist");
return conn.asyncCall(msg);
}
void tst_QDBusPendingCall::waitForFinished()
{
QDBusPendingCall ac = sendMessage();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
ac.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
const QDBusMessage reply = ac.reply();
QVERIFY(reply.type() == QDBusMessage::ReplyMessage);
QCOMPARE(reply.signature(), QString("as"));
const QVariantList args = ac.reply().arguments();
QCOMPARE(args.count(), 1);
const QVariant &arg = args.at(0);
QCOMPARE(arg.type(), QVariant::StringList);
QVERIFY(arg.toStringList().contains(conn.baseService()));
}
void tst_QDBusPendingCall::waitForFinished_error()
{
QDBusPendingCall ac = sendError();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
ac.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(ac.isError());
QDBusError error = ac.error();
QVERIFY(error.isValid());
QCOMPARE(error.name(), QString("org.freedesktop.DBus.Error.UnknownMethod"));
QCOMPARE(error.type(), QDBusError::UnknownMethod);
}
void tst_QDBusPendingCall::callWithCallback_localLoop()
{
// Verify that a callback actually gets called when the call is dispatched locally.
QDBusInterface iface(QDBusConnection::sessionBus().baseService(), QLatin1String("/"),
TEST_INTERFACE_NAME);
QVERIFY(iface.isValid());
QVERIFY(iface.callWithCallback("returnFoo", QVariantList(), this, SLOT(callback(QStringList))));
// May be called synchronously or asynchronously...
if (callbackArgument != (QStringList() << QString::fromLatin1("foo"))) {
QTestEventLoop::instance().enterLoop(2);
QVERIFY(!QTestEventLoop::instance().timeout());
}
QCOMPARE(callbackArgument, QStringList() << QString::fromLatin1("foo"));
}
void tst_QDBusPendingCall::callWithCallback_localLoop_errorReply()
{
// Verify that an error callback actually gets called when the call is
// dispatched locally and the called method returns an error
QDBusInterface iface(QDBusConnection::sessionBus().baseService(), QLatin1String("/"),
TEST_INTERFACE_NAME);
QVERIFY(iface.isValid());
callbackArgument.clear();
QVERIFY(iface.callWithCallback("returnError", QVariantList(), this,
SLOT(callback(QStringList)), SLOT(errorCallback(QDBusError))));
// May be called synchronously or asynchronously...
if (errorArgument.name() != "dbuspendingcall_error") {
QTestEventLoop::instance().enterLoop(2);
QVERIFY(!QTestEventLoop::instance().timeout());
}
QCOMPARE(errorArgument.name(), QString::fromLatin1("dbuspendingcall_error"));
QVERIFY(callbackArgument.isEmpty());
}
#if 0
// This function was removed from the public API
void tst_QDBusPendingCall::setReplyCallback()
{
QDBusPendingCall ac = sendMessage();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
callCount = 0;
callbackArgument.clear();
QVERIFY(ac.setReplyCallback(this, SLOT(callback(const QStringList &))));
QVERIFY(callCount == 0);
QVERIFY(callbackArgument.isEmpty());
QTestEventLoop::instance().enterLoop(2);
QVERIFY(!QTestEventLoop::instance().timeout());
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)CallbackCalled);
QVERIFY(!callbackArgument.isEmpty());
QVERIFY(callbackArgument.contains(conn.baseService()));
const QVariantList args = ac.reply().arguments();
QVERIFY(!args.isEmpty());
QCOMPARE(args.at(0).toStringList(), callbackArgument);
}
#endif
void tst_QDBusPendingCall::watcher()
{
QDBusPendingCall ac = sendMessage();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
callCount = 0;
watchArgument = 0;
QDBusPendingCallWatcher watch(ac);
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(finished(QDBusPendingCallWatcher*)));
QTestEventLoop::instance().enterLoop(2);
QVERIFY(!QTestEventLoop::instance().timeout());
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)FinishCalled);
QCOMPARE(watchArgument, &watch);
QVERIFY(!watch.isError());
const QVariantList args2 = ac.reply().arguments();
QVERIFY(!args2.isEmpty());
QVERIFY(args2.at(0).toStringList().contains(conn.baseService()));
}
void tst_QDBusPendingCall::watcher_error()
{
QDBusPendingCall ac = sendError();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
callCount = 0;
watchArgument = 0;
QDBusPendingCallWatcher watch(ac);
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(finished(QDBusPendingCallWatcher*)));
QTestEventLoop::instance().enterLoop(2);
QVERIFY(!QTestEventLoop::instance().timeout());
QVERIFY(ac.isFinished());
QVERIFY(ac.isError());
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)FinishCalled);
QCOMPARE(watchArgument, &watch);
QVERIFY(watch.isError());
QVERIFY(watch.error().isValid());
}
void tst_QDBusPendingCall::watcher_waitForFinished()
{
QDBusPendingCall ac = sendMessage();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
callCount = 0;
watchArgument = 0;
QDBusPendingCallWatcher watch(ac);
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(finished(QDBusPendingCallWatcher*)));
watch.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)FinishCalled);
QCOMPARE(watchArgument, &watch);
QVERIFY(!watch.isError());
const QVariantList args2 = ac.reply().arguments();
QVERIFY(!args2.isEmpty());
QVERIFY(args2.at(0).toStringList().contains(conn.baseService()));
}
void tst_QDBusPendingCall::watcher_waitForFinished_threaded()
{
callCount = 0;
watchArgument = 0;
slotCalled = 0;
class WorkerThread: public QThread {
public:
tst_QDBusPendingCall *tst;
WorkerThread(tst_QDBusPendingCall *tst) : tst(tst) {}
void run()
{
QDBusPendingCall ac = tst->sendMessage();
// QVERIFY(!ac.isFinished());
// QVERIFY(!ac.isError());
// QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
QDBusPendingCallWatcher watch(ac);
tst->connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(finished(QDBusPendingCallWatcher*)), Qt::DirectConnection);
QTest::qSleep(100); // don't process events in this thread
// QVERIFY(!ac.isFinished());
// QVERIFY(!ac.isError());
// QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
QCOMPARE(tst->callCount, 0);
QCOMPARE(tst->slotCalled, 0);
watch.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
QCOMPARE(tst->callCount, 1);
QCOMPARE(tst->slotCalled, (int)FinishCalled);
QCOMPARE(tst->watchArgument, &watch);
QVERIFY(!watch.isError());
const QVariantList args2 = ac.reply().arguments();
QVERIFY(!args2.isEmpty());
QVERIFY(args2.at(0).toStringList().contains(tst->conn.baseService()));
}
} thread(this);
QTestEventLoop::instance().connect(&thread, SIGNAL(finished()), SLOT(exitLoop()));
thread.start();
QTestEventLoop::instance().enterLoop(10);
QVERIFY(!thread.isRunning());
QVERIFY(!QTestEventLoop::instance().timeout());
}
void tst_QDBusPendingCall::watcher_waitForFinished_alreadyFinished()
{
QDBusPendingCall ac = sendMessage();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
ac.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
callCount = 0;
watchArgument = 0;
// create a watcher on an already-finished reply
QDBusPendingCallWatcher watch(ac);
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(finished(QDBusPendingCallWatcher*)));
watch.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)FinishCalled);
QCOMPARE(watchArgument, &watch);
QVERIFY(!watch.isError());
const QVariantList args2 = ac.reply().arguments();
QVERIFY(!args2.isEmpty());
QVERIFY(args2.at(0).toStringList().contains(conn.baseService()));
}
void tst_QDBusPendingCall::watcher_waitForFinished_alreadyFinished_eventLoop()
{
QDBusPendingCall ac = sendMessage();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
ac.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
callCount = 0;
watchArgument = 0;
// create a watcher on an already-finished reply
QDBusPendingCallWatcher watch(ac);
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(finished(QDBusPendingCallWatcher*)));
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
&QTestEventLoop::instance(), SLOT(exitLoop()));
QTestEventLoop::instance().enterLoop(1);
QVERIFY(!QTestEventLoop::instance().timeout());
QVERIFY(ac.isFinished());
QVERIFY(!ac.isError());
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)FinishCalled);
QCOMPARE(watchArgument, &watch);
QVERIFY(!watch.isError());
const QVariantList args2 = ac.reply().arguments();
QVERIFY(!args2.isEmpty());
QVERIFY(args2.at(0).toStringList().contains(conn.baseService()));
}
void tst_QDBusPendingCall::watcher_waitForFinished_error()
{
QDBusPendingCall ac = sendError();
QVERIFY(!ac.isFinished());
QVERIFY(!ac.isError());
QVERIFY(ac.reply().type() == QDBusMessage::InvalidMessage);
callCount = 0;
watchArgument = 0;
QDBusPendingCallWatcher watch(ac);
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(finished(QDBusPendingCallWatcher*)));
watch.waitForFinished();
QVERIFY(ac.isFinished());
QVERIFY(ac.isError());
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)FinishCalled);
QCOMPARE(watchArgument, &watch);
QVERIFY(watch.isError());
QVERIFY(watch.error().isValid());
}
void tst_QDBusPendingCall::callInsideWaitForFinished()
{
QDBusPendingCall ac = sendMessage();
QDBusPendingCallWatcher watch(ac);
callCount = 0;
connect(&watch, SIGNAL(finished(QDBusPendingCallWatcher*)),
SLOT(makeCall()));
watch.waitForFinished();
QCOMPARE(callCount, 1);
QCOMPARE(slotCalled, (int)MakeCallCalled);
QVERIFY(!watch.isError());
const QVariantList args2 = ac.reply().arguments();
QVERIFY(!args2.isEmpty());
QVERIFY(args2.at(0).toStringList().contains(conn.baseService()));
}
QTEST_MAIN(tst_QDBusPendingCall)
#include "tst_qdbuspendingcall.moc"
#else
QTEST_NOOP_MAIN
#endif