Units Tests for QObjectPicker

Change-Id: Id86258e75604183f6a88bfe0008e4c4cae090e61
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

tests/auto/render/qobjectpicker/qobjectpicker.pro

@@ -0,0 +1,11 @@
+TEMPLATE = app
+
+TARGET = tst_qobjectpicker
+
+QT += core-private 3dcore 3dcore-private 3drender 3drender-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qobjectpicker.cpp
+
+include(../commons/commons.pri)

tests/auto/render/qobjectpicker/tst_qobjectpicker.cpp

@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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://www.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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QTest>
+#include <Qt3DCore/private/qnode_p.h>
+#include <Qt3DCore/private/qscene_p.h>
+
+#include <Qt3DRender/QObjectPicker>
+#include <Qt3DRender/QAttribute>
+
+#include "testpostmanarbiter.h"
+
+class MyObjectPicker : public Qt3DRender::QObjectPicker
+{
+    Q_OBJECT
+public:
+    MyObjectPicker(Qt3DCore::QNode *parent = Q_NULLPTR)
+        : Qt3DRender::QObjectPicker(parent)
+    {}
+
+private:
+    friend class tst_ObjectPicker;
+};
+
+// We need to call QNode::clone which is protected
+// So we sublcass QNode instead of QObject
+class tst_QObjectPicker : public Qt3DCore::QNode
+{
+    Q_OBJECT
+public:
+    tst_QObjectPicker()
+    {
+        qRegisterMetaType<Qt3DRender::QAttribute*>("Qt3DRender::QAttribute*");
+    }
+
+    ~tst_QObjectPicker()
+    {
+        QNode::cleanup();
+    }
+
+private Q_SLOTS:
+
+    void checkCloning_data()
+    {
+        QTest::addColumn<Qt3DRender::QObjectPicker *>("objectPicker");
+
+        Qt3DRender::QObjectPicker *objectPicker = new Qt3DRender::QObjectPicker();
+        QTest::newRow("empty objectPicker") << objectPicker;
+        objectPicker = new Qt3DRender::QObjectPicker();
+        objectPicker->setHoverEnabled(true);
+        QTest::newRow("objectPicker_all_true") << objectPicker;
+        objectPicker = new Qt3DRender::QObjectPicker();
+        Qt3DRender::QAttribute *attr = new Qt3DRender::QAttribute();
+        objectPicker->setPickAttribute(attr);
+        QTest::newRow("objectPicker_withAttribute") << objectPicker;
+
+    }
+
+    void checkCloning()
+    {
+        // GIVEN
+        QFETCH(Qt3DRender::QObjectPicker *, objectPicker);
+
+        // WHEN
+        Qt3DRender::QObjectPicker *clone = static_cast<Qt3DRender::QObjectPicker *>(QNode::clone(objectPicker));
+        QCoreApplication::processEvents();
+
+        // THEN
+        QVERIFY(clone != Q_NULLPTR);
+        QCOMPARE(objectPicker->id(), clone->id());
+        QCOMPARE(objectPicker->hoverEnabled(), clone->hoverEnabled());
+        QCOMPARE(objectPicker->isPressed(), clone->isPressed());
+        QCOMPARE(objectPicker->containsMouse(), clone->containsMouse());
+
+        if (objectPicker->pickAttribute()) {
+            QVERIFY(clone->pickAttribute());
+            QCOMPARE(clone->pickAttribute()->id(), objectPicker->pickAttribute()->id());
+        }
+    }
+
+    void checkPropertyUpdates()
+    {
+        // GIVEN
+        QScopedPointer<Qt3DRender::QObjectPicker> objectPicker(new Qt3DRender::QObjectPicker());
+        TestArbiter arbiter(objectPicker.data());
+
+        // WHEN
+        Qt3DRender::QAttribute *attr = new Qt3DRender::QAttribute();
+        objectPicker->setPickAttribute(attr);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        Qt3DCore::QScenePropertyChangePtr change = arbiter.events.first().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "pickAttribute");
+        QCOMPARE(change->value().value<Qt3DCore::QNodeId>(), attr->id());
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+
+        // WHEN
+        objectPicker->setHoverEnabled(true);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        change = arbiter.events.last().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "hoverEnabled");
+        QCOMPARE(change->value().toBool(), true);
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+
+    }
+
+    void checkBackendUpdates()
+    {
+        // GIVEN
+        //QScopedPointer<MyObjectPicker> objectPicker(new MyObjectPicker());
+
+        // TO DO: Complete
+        // WHEN
+        // Create Backend Change and distribute it to frontend node
+        // objectPicker->sceneChangeEvent();
+
+        // THEN
+        // Check that the QOjectPicker triggers the expected signal
+    }
+
+
+protected:
+    Qt3DCore::QNode *doClone() const Q_DECL_OVERRIDE
+    {
+        return Q_NULLPTR;
+    }
+
+};
+
+QTEST_MAIN(tst_QObjectPicker)
+
+#include "tst_qobjectpicker.moc"

tests/auto/render/render.pro

@@ -34,5 +34,6 @@ contains(QT_CONFIG, private_tests) {
         qstateset \
         qtechniquefilter \
         qviewport \
-        framegraphnode
+        framegraphnode \
+        qobjectpicker
 }