Unit Tests for QLayerFilter

Change-Id: I4b7c27682d88ab4450bb12327b5da77af199dd29
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>

3 files changed, 180 insertions, 1 deletions

diff --git a/tests/auto/render/qlayerfilter/qlayerfilter.pro b/tests/auto/render/qlayerfilter/qlayerfilter.pro
new file mode 100644
index 000000000..ac115a556
--- /dev/null
+++ b/tests/auto/render/qlayerfilter/qlayerfilter.pro
@@ -0,0 +1,11 @@
+TEMPLATE = app
+
+TARGET = tst_qlayerfilter
+
+QT += core-private 3dcore 3dcore-private 3drenderer 3drenderer-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qlayerfilter.cpp
+
+include(../commons/commons.pri)
diff --git a/tests/auto/render/qlayerfilter/tst_qlayerfilter.cpp b/tests/auto/render/qlayerfilter/tst_qlayerfilter.cpp
new file mode 100644
index 000000000..ed8e9ab30
--- /dev/null
+++ b/tests/auto/render/qlayerfilter/tst_qlayerfilter.cpp
@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** 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 <Qt3DRenderer/qlayerfilter.h>
+
+#include "testpostmanarbiter.h"
+
+// We need to call QNode::clone which is protected
+// So we sublcass QNode instead of QObject
+class tst_QLayerFilter: public Qt3DCore::QNode
+{
+    Q_OBJECT
+public:
+    ~tst_QLayerFilter()
+    {
+        QNode::cleanup();
+    }
+
+private Q_SLOTS:
+
+    void checkCloning_data()
+    {
+        QTest::addColumn<Qt3DRender::QLayerFilter *>("layerFilter");
+        QTest::addColumn<QStringList>("layerNames");
+
+        Qt3DRender::QLayerFilter *defaultConstructed = new Qt3DRender::QLayerFilter();
+        QTest::newRow("defaultConstructed") << defaultConstructed << QStringList();
+
+        Qt3DRender::QLayerFilter *singleLayer = new Qt3DRender::QLayerFilter();
+        QStringList layer = QStringList() << QStringLiteral("myLayer");
+        singleLayer->setLayers(layer);
+        QTest::newRow("single layer") << singleLayer << layer;
+
+        Qt3DRender::QLayerFilter *multiLayers = new Qt3DRender::QLayerFilter();
+        QStringList layers = QStringList() << QStringLiteral("883") << QStringLiteral("350") << QStringLiteral("454");
+        multiLayers->setLayers(layers);
+        QTest::newRow("multi layers") << multiLayers << layers;
+     }
+
+    void checkCloning()
+    {
+        // GIVEN
+        QFETCH(Qt3DRender::QLayerFilter *, layerFilter);
+        QFETCH(QStringList, layerNames);
+
+        // THEN
+        QCOMPARE(layerFilter->layers(), layerNames);
+
+        // WHEN
+        Qt3DRender::QLayerFilter *clone = static_cast<Qt3DRender::QLayerFilter *>(QNode::clone(layerFilter));
+
+        // THEN
+        QVERIFY(clone != Q_NULLPTR);
+        QCOMPARE(layerFilter->id(), clone->id());
+        QCOMPARE(layerFilter->layers(), clone->layers());
+
+        delete layerFilter;
+        delete clone;
+    }
+
+    void checkPropertyUpdates()
+    {
+        // GIVEN
+        QScopedPointer<Qt3DRender::QLayerFilter> layerFilter(new Qt3DRender::QLayerFilter());
+        TestArbiter arbiter(layerFilter.data());
+
+        // WHEN
+        QStringList layerNames1 = QStringList() << QStringLiteral("883") << QStringLiteral("350");
+        layerFilter->setLayers(layerNames1);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        Qt3DCore::QScenePropertyChangePtr change = arbiter.events.first().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "layers");
+        QCOMPARE(change->subjectId(), layerFilter->id());
+        QCOMPARE(change->value().value<QStringList>(), layerNames1);
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+
+        // WHEN
+        layerFilter->setLayers(layerNames1);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 0);
+
+        // WHEN
+        QStringList layerNames2 = QStringList() << QStringLiteral("454");
+        layerFilter->setLayers(layerNames2);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        change = arbiter.events.first().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "layers");
+        QCOMPARE(change->subjectId(), layerFilter->id());
+        QCOMPARE(change->value().value<QStringList>(), layerNames2);
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+
+        // WHEN
+        layerFilter->setLayers(QStringList());
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        change = arbiter.events.first().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "layers");
+        QCOMPARE(change->subjectId(), layerFilter->id());
+        QCOMPARE(change->value().value<QStringList>(), QStringList());
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+
+        arbiter.events.clear();
+    }
+
+protected:
+    Qt3DCore::QNode *doClone() const Q_DECL_OVERRIDE
+    {
+        return Q_NULLPTR;
+    }
+
+};
+
+QTEST_MAIN(tst_QLayerFilter)
+
+#include "tst_qlayerfilter.moc"
diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index c3865f90e..7dcc25d1d 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -25,5 +25,6 @@ contains(QT_CONFIG, private_tests) {
         qcameraselector \
         qclearbuffer \
         qframegraphnode \
-        qframegraph
+        qframegraph \
+        qlayerfilter
 }