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/*
* Copyright 2012 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Florian Boucault <florian.boucault@canonical.com>
*/
#include <QtQml/QQmlEngine>
#include <QtQuick/private/qquickimagebase_p.h>
#include <QtTest/QtTest>
#include <LomiriToolkit/lomiritoolkitmodule.h>
#define protected public
#include <LomiriToolkit/private/ucqquickimageextension_p.h>
#undef protected
#include <QtCore/private/qabstractfileengine_p.h>
#include <QQuickView>
UT_USE_NAMESPACE
unsigned int numberOfTemporarySciFiles() {
QStringList nameFilters;
nameFilters << "*.sci";
return QDir::temp().entryList(nameFilters, QDir::Files).count();
}
int nFaces = 0;
class DummyFileEngineHandler : public QAbstractFileEngineHandler
{
public:
QAbstractFileEngine *create(const QString &fileName) const
{
if (fileName.endsWith("/face.png"))
nFaces++;
return nullptr;
}
};
class tst_UCQQuickImageExtension : public QObject
{
Q_OBJECT
private:
QQmlEngine *engine = Q_NULLPTR;
private Q_SLOTS:
void init()
{
engine = new QQmlEngine;
LomiriToolkitModule::initializeContextProperties(engine);
}
void cleanup()
{
delete engine;
}
void scaledBorderIdentity() {
UCQQuickImageExtension image;
QString border = "border: 13";
QString expected = "border: 13";
QString result = image.scaledBorder(border, "1");
QCOMPARE(result, expected);
}
void scaledBorderHalf() {
UCQQuickImageExtension image;
QString border = "border: 13";
QString expected = "border: 7";
QString result = image.scaledBorder(border, "0.5");
QCOMPARE(result, expected);
}
void scaledBorderDouble() {
UCQQuickImageExtension image;
QString border = "border: 13";
QString expected = "border: 26";
QString result = image.scaledBorder(border, "2");
QCOMPARE(result, expected);
}
void rewriteContainsBorderInName() {
UCQQuickImageExtension image;
QString sciFilePath = "data/borderInName.sci";
QString result;
QTextStream resultStream(&result);
image.rewriteSciFile(sciFilePath, "1", resultStream);
QString expected;
QTextStream expectedStream(&expected);
expectedStream << "source: \"image://scaling/1/data/borderInName.png\""
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
<< endl;
#else
<< Qt::endl;
#endif
expectedStream << "border.left: 9"
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
<< endl;
#else
<< Qt::endl;
#endif
expectedStream << "border.right: 2"
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
<< endl;
#else
<< Qt::endl;
#endif
expectedStream << "border.top: 9"
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
<< endl;
#else
<< Qt::endl;
#endif
expectedStream << "border.bottom: 0"
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
<< endl;
#else
<< Qt::endl;
#endif
expectedStream << "horizontalTileMode: Stretch"
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
<< endl;
#else
<< Qt::endl;
#endif
expectedStream << "verticalTileMode: Stretch"
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
<< endl;
#else
<< Qt::endl;
#endif
QCOMPARE(result, expected);
}
void cachingOfRewrittenSciFiles() {
/* This tests an internal implementation detail of UCQQuickImageExtension,
namely making sure that only one temporary rewritten .sci file is
created for each source .sci file.
*/
unsigned int initialNumberOfSciFiles = numberOfTemporarySciFiles();
{
DummyFileEngineHandler handler;
QQuickView view(QUrl::fromLocalFile("./data/single_cache_file.qml"));
// Wait until the app is idle
bool idle = false;
while (!idle) {
QEventLoop l;
idle = !l.processEvents();
}
QCOMPARE(numberOfTemporarySciFiles(), initialNumberOfSciFiles + 1);
}
/* The temporary files will be deleted when the cache is destroyed when
the application exits.
*/
QCOMPARE(numberOfTemporarySciFiles(), initialNumberOfSciFiles + 1);
}
void onlyOneStatRepeatedImage() {
DummyFileEngineHandler handler;
QQuickView view(QUrl::fromLocalFile("./data/hundred_faces.qml"));
// Wait until the app is idle
bool idle = false;
while (!idle) {
QEventLoop l;
idle = !l.processEvents();
}
// We have actually loaded the image
QVERIFY(nFaces > 0);
// The number at the moment of writing this test is 4, but we
// can't know what Qt does internally, so i'm going for a relatively safe <10
// the important part is that is not 100 times (i.e. one for every Image item)
QVERIFY(nFaces < 10);
}
};
QTEST_MAIN(tst_UCQQuickImageExtension)
#include "tst_qquick_image_extension.moc"
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