Add QAspectFactory class, creates aspects by name

Change-Id: I91480d9a61accf313d10f5ddb21100fdc13481c2
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>

3 files changed, 139 insertions, 0 deletions

diff --git a/tests/auto/core/core.pro b/tests/auto/core/core.pro
index 47cc2760c..785f05ca9 100644
--- a/tests/auto/core/core.pro
+++ b/tests/auto/core/core.pro
@@ -10,6 +10,7 @@ SUBDIRS = \
     nodes \
     qentity \
     qaspectengine \
+    qaspectfactory \
     qchangearbiter \
     qscene \
 
diff --git a/tests/auto/core/qaspectfactory/qaspectfactory.pro b/tests/auto/core/qaspectfactory/qaspectfactory.pro
new file mode 100644
index 000000000..d1ec63d3d
--- /dev/null
+++ b/tests/auto/core/qaspectfactory/qaspectfactory.pro
@@ -0,0 +1,7 @@
+TARGET = tst_qaspectfactory
+CONFIG += testcase
+TEMPLATE = app
+
+SOURCES += tst_qaspectfactory.cpp
+
+QT += testlib 3dcore
diff --git a/tests/auto/core/qaspectfactory/tst_qaspectfactory.cpp b/tests/auto/core/qaspectfactory/tst_qaspectfactory.cpp
new file mode 100644
index 000000000..db8e6f820
--- /dev/null
+++ b/tests/auto/core/qaspectfactory/tst_qaspectfactory.cpp
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QTest>
+#include <Qt3DCore/QAspectFactory>
+#include <Qt3DCore/QAbstractAspect>
+
+using namespace QT_PREPEND_NAMESPACE(Qt3D);
+
+#define FAKE_ASPECT(ClassName) \
+class ClassName : public QAbstractAspect \
+{ \
+    Q_OBJECT \
+public: \
+    explicit ClassName(QObject *parent = 0) \
+        : QAbstractAspect(QAbstractAspect::AspectOther, parent) {} \
+\
+private: \
+    void setRootEntity(QEntity *) Q_DECL_OVERRIDE {} \
+    void onInitialize(const QVariantMap &) Q_DECL_OVERRIDE {} \
+    void onCleanup() Q_DECL_OVERRIDE {} \
+    void sceneNodeAdded(QSceneChangePtr &) Q_DECL_OVERRIDE {} \
+    void sceneNodeRemoved(QSceneChangePtr &) Q_DECL_OVERRIDE {} \
+\
+    QVector<QAspectJobPtr> jobsToExecute(qint64) Q_DECL_OVERRIDE \
+    { \
+        return QVector<QAspectJobPtr>(); \
+    } \
+};
+
+FAKE_ASPECT(DefaultFakeAspect)
+FAKE_ASPECT(AnotherFakeAspect)
+
+QT3D_REGISTER_ASPECT("default", DefaultFakeAspect)
+
+class tst_QAspectFactory : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+    void shoulHaveDefaultState()
+    {
+        // GIVEN
+        QAspectFactory factory;
+
+        // THEN
+        QCOMPARE(factory.availableFactories().size(), 1);
+        QCOMPARE(factory.availableFactories().first(), QString("default"));
+
+        // WHEN
+        QAbstractAspect *aspect = factory.createAspect(QStringLiteral("default"));
+
+        // THEN
+        QVERIFY(qobject_cast<DefaultFakeAspect*>(aspect) != Q_NULLPTR);
+        QVERIFY(aspect->parent() == Q_NULLPTR);
+    }
+
+    void shouldRegisterFactories()
+    {
+        // GIVEN
+        QAspectFactory factory;
+
+        // WHEN
+        factory.addFactory(QStringLiteral("another"),
+                           QAspectFactory::functionHelper<AnotherFakeAspect>);
+
+        // THEN
+        QCOMPARE(factory.availableFactories().size(), 2);
+        QVERIFY(factory.availableFactories().contains(QStringLiteral("another")));
+
+        // WHEN
+        QAbstractAspect *aspect = factory.createAspect(QStringLiteral("another"), this);
+
+        // THEN
+        QVERIFY(qobject_cast<AnotherFakeAspect*>(aspect) != Q_NULLPTR);
+        QCOMPARE(aspect->parent(), this);
+    }
+
+    void shouldGracefulyHandleMissingFactories()
+    {
+        // GIVEN
+        QAspectFactory factory;
+
+        // WHEN
+        QAbstractAspect *aspect = factory.createAspect(QStringLiteral("missing"), this);
+
+        // THEN
+        QVERIFY(qobject_cast<AnotherFakeAspect*>(aspect) == Q_NULLPTR);
+    }
+};
+
+QTEST_MAIN(tst_QAspectFactory)
+
+#include "tst_qaspectfactory.moc"