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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 <qtest.h>
#include <QQmlComponent>
#include <QQmlEngine>
#include <QProcess>
#include <QLibraryInfo>
#include <QSysInfo>
class tst_qmlcachegen: public QObject
{
Q_OBJECT
private slots:
void initTestCase();
void loadGeneratedFile();
};
// A wrapper around QQmlComponent to ensure the temporary reference counts
// on the type data as a result of the main thread <> loader thread communication
// are dropped. Regular Synchronous loading will leave us with an event posted
// to the gui thread and an extra refcount that will only be dropped after the
// event delivery. A plain sendPostedEvents() however is insufficient because
// we can't be sure that the event is posted after the constructor finished.
class CleanlyLoadingComponent : public QQmlComponent
{
public:
CleanlyLoadingComponent(QQmlEngine *engine, const QUrl &url)
: QQmlComponent(engine, url, QQmlComponent::Asynchronous)
{ waitForLoad(); }
CleanlyLoadingComponent(QQmlEngine *engine, const QString &fileName)
: QQmlComponent(engine, fileName, QQmlComponent::Asynchronous)
{ waitForLoad(); }
void waitForLoad()
{
QTRY_VERIFY(status() == QQmlComponent::Ready || status() == QQmlComponent::Error);
}
};
static bool generateCache(const QString &qmlFileName)
{
QProcess proc;
proc.setProcessChannelMode(QProcess::ForwardedChannels);
proc.setProgram(QLibraryInfo::location(QLibraryInfo::BinariesPath) + QDir::separator() + QLatin1String("qmlcachegen"));
proc.setArguments(QStringList() << (QLatin1String("--target-architecture=") + QSysInfo::buildCpuArchitecture()) << (QLatin1String("--target-abi=") + QSysInfo::buildAbi()) << qmlFileName);
proc.start();
if (!proc.waitForFinished())
return false;
if (proc.exitStatus() != QProcess::NormalExit)
return false;
return proc.exitCode() == 0;
}
void tst_qmlcachegen::initTestCase()
{
qputenv("QML_FORCE_DISK_CACHE", "1");
}
void tst_qmlcachegen::loadGeneratedFile()
{
QTemporaryDir tempDir;
QVERIFY(tempDir.isValid());
const auto writeTempFile = [&tempDir](const QString &fileName, const char *contents) {
QFile f(tempDir.path() + '/' + fileName);
const bool ok = f.open(QIODevice::WriteOnly | QIODevice::Truncate);
Q_ASSERT(ok);
f.write(contents);
return f.fileName();
};
const QString testFilePath = writeTempFile("test.qml", "import QtQml 2.0\n"
"QtObject {\n"
" property int value: Math.min(100, 42);\n"
"}");
QVERIFY(generateCache(testFilePath));
const QString cacheFilePath = testFilePath + QLatin1Char('c');
QVERIFY(QFile::exists(cacheFilePath));
QVERIFY(QFile::remove(testFilePath));
QQmlEngine engine;
CleanlyLoadingComponent component(&engine, QUrl::fromLocalFile(testFilePath));
QScopedPointer<QObject> obj(component.create());
QVERIFY(!obj.isNull());
QCOMPARE(obj->property("value").toInt(), 42);
}
QTEST_GUILESS_MAIN(tst_qmlcachegen)
#include "tst_qmlcachegen.moc"
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