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/**************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 http://qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
**
** $QT_END_LICENSE$
**
**************************************************************************/
#include <kdgenericfactory.h>
#include <QDebug>
#include <QTest>
#include <functional>
class Food {
public:
explicit Food(int amount)
: m_amount(amount)
{}
virtual ~Food() {}
int available() const {
return m_amount;
}
virtual QDate expireDate() const = 0;
template <typename T, typename... Args>
static Food *create(Args... args) {
qDebug().nospace().noquote() << "Create function.";
return new T(std::forward<Args>(args)...);
}
private:
int m_amount;
};
class EggStore : public KDGenericFactory<Food, QString, int>
{
public:
static EggStore &instance() {
static EggStore factory;
return factory;
}
};
class Bread : public Food
{
public:
Bread(int amount, const QDate &expireDate)
: Food(amount)
, m_expireDate(expireDate)
{ qDebug().nospace().noquote() << "Constructor."; }
QDate expireDate() const {
return m_expireDate;
}
private:
QDate m_expireDate;
};
class Butter : public Food
{
public:
QDate expireDate() const {
return m_expireDate;
}
static Food *create(int amount, const QDate expireDate) {
qDebug().nospace().noquote() << "Create function.";
return new Butter(amount, expireDate);
}
private:
Butter(int amount, const QDate &expireDate)
: Food(amount)
, m_expireDate(expireDate)
{ qDebug().nospace().noquote() << "Constructor."; }
private:
QDate m_expireDate;
};
class ColdCuts : public Food
{
public:
ColdCuts(int amount, const QDate &expireDate)
: Food(amount)
, m_expireDate(expireDate)
{ qDebug().nospace().noquote() << "Constructor."; }
QDate expireDate() const {
return m_expireDate;
}
private:
QDate m_expireDate;
};
class FoodStore : public KDGenericFactory<Food, QString, int, QDate>
{
public:
static FoodStore &instance() {
static FoodStore factory;
return factory;
}
};
class tst_Factory : public QObject
{
Q_OBJECT
private slots:
void testSingleArg()
{
class Egg : public Food
{
public:
explicit Egg(int amount)
: Food(amount)
{ qDebug().nospace().noquote() << "Constructor."; }
QDate expireDate() const {
return QDate::currentDate().addDays(1);
}
private:
QDate m_expireDate;
};
class EggStore : public KDGenericFactory<Food, QString, int>
{
public:
static EggStore &instance() {
static EggStore factory;
return factory;
}
};
EggStore::instance().registerProduct<Egg>("Egg");
QCOMPARE(EggStore::instance().containsProduct("Egg"), true);
// EggStore::instance().registerProduct<Bread>("Bread"); // Does not compile.
QTest::ignoreMessage(QtDebugMsg, "Constructor.");
auto food = EggStore::instance().create("Egg", 100);
QCOMPARE(food->available(), 100);
QCOMPARE(food->expireDate(), QDate::currentDate().addDays(1));
QTest::ignoreMessage(QtDebugMsg, "Create function.");
QTest::ignoreMessage(QtDebugMsg, "Constructor.");
EggStore::instance().registerProduct("Egg", &Egg::create<Egg, int>);
food = EggStore::instance().create("Egg", 10);
QCOMPARE(food->available(), 10);
QCOMPARE(food->expireDate(), QDate::currentDate().addDays(1));
auto lambda = [](int amount) -> Food* { return new Egg(amount); };
EggStore::instance().registerProduct("Egg", lambda);
QTest::ignoreMessage(QtDebugMsg, "Constructor.");
food = EggStore::instance().create("Egg", 20);
QCOMPARE(food->available(), 20);
QCOMPARE(food->expireDate(), QDate::currentDate().addDays(1));
}
void testMultiArg()
{
FoodStore::instance().registerProduct<Bread>("Bread");
FoodStore::instance().registerProduct("Butter", &Butter::create);
FoodStore::instance().registerProduct<ColdCuts>("ColdCuts");
// FoodStore::instance().registerProduct<Eggs>("Eggs"); // Does not compile.
QCOMPARE(FoodStore::instance().containsProduct("Bread"), true);
QCOMPARE(FoodStore::instance().containsProduct("Butter"), true);
QCOMPARE(FoodStore::instance().containsProduct("ColdCuts"), true);
QCOMPARE(FoodStore::instance().containsProduct("Sandwich"), false);
QTest::ignoreMessage(QtDebugMsg, "Constructor.");
auto food = FoodStore::instance().create("Bread", 10, QDate::currentDate().addDays(7));
QCOMPARE(food->available(), 10);
QCOMPARE(food->expireDate(), QDate::currentDate().addDays(7));
QTest::ignoreMessage(QtDebugMsg, "Create function.");
QTest::ignoreMessage(QtDebugMsg, "Constructor.");
food = FoodStore::instance().create("Butter", 2, QDate::currentDate().addDays(3));
QCOMPARE(food->available(), 2);
QCOMPARE(food->expireDate(), QDate::currentDate().addDays(3));
QTest::ignoreMessage(QtDebugMsg, "Constructor.");
food = FoodStore::instance().create("ColdCuts", 50, QDate::currentDate().addDays(5));
QCOMPARE(food->available(), 50);
QCOMPARE(food->expireDate(), QDate::currentDate().addDays(5));
food = FoodStore::instance().create("Sandwich", 50, QDate::currentDate());
QCOMPARE(food == Q_NULLPTR, true);
// overwrites the existing registration
FoodStore::instance().registerProduct("ColdCuts", &ColdCuts::create<ColdCuts, int, QDate>);
QTest::ignoreMessage(QtDebugMsg, "Create function.");
QTest::ignoreMessage(QtDebugMsg, "Constructor.");
food = FoodStore::instance().create("ColdCuts", 100, QDate::currentDate().addDays(4));
QCOMPARE(food->available(), 100);
QCOMPARE(food->expireDate(), QDate::currentDate().addDays(4));
}
};
QTEST_MAIN(tst_Factory)
#include "tst_factory.moc"
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