Unit Tests for QCameraSelector

Change-Id: I25b7b19b3e117ec3c492404e91c49415357b8605
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>

2 files changed, 172 insertions, 0 deletions

diff --git a/tests/auto/render/qcameraselector/qcameraselector.pro b/tests/auto/render/qcameraselector/qcameraselector.pro
new file mode 100644
index 000000000..87cb30636
--- /dev/null
+++ b/tests/auto/render/qcameraselector/qcameraselector.pro
@@ -0,0 +1,11 @@
+TEMPLATE = app
+
+TARGET = tst_qcameraselector
+
+QT += core-private 3dcore 3dcore-private 3drenderer 3drenderer-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qcameraselector.cpp
+
+include(../commons/commons.pri)
diff --git a/tests/auto/render/qcameraselector/tst_qcameraselector.cpp b/tests/auto/render/qcameraselector/tst_qcameraselector.cpp
new file mode 100644
index 000000000..f336ab890
--- /dev/null
+++ b/tests/auto/render/qcameraselector/tst_qcameraselector.cpp
@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** 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/qcameraselector.h>
+#include <Qt3DCore/qentity.h>
+
+#include "testpostmanarbiter.h"
+
+// We need to call QNode::clone which is protected
+// So we sublcass QNode instead of QObject
+class tst_QCameraSelector: public Qt3DCore::QNode
+{
+    Q_OBJECT
+public:
+    ~tst_QCameraSelector()
+    {
+        QNode::cleanup();
+    }
+
+private Q_SLOTS:
+
+    void checkCloning_data()
+    {
+        QTest::addColumn<Qt3DRender::QCameraSelector *>("cameraSelector");
+        QTest::addColumn<Qt3DCore::QEntity *>("camera");
+
+        Qt3DRender::QCameraSelector *defaultConstructed = new Qt3DRender::QCameraSelector();
+        QTest::newRow("defaultConstructed") << defaultConstructed << static_cast<Qt3DCore::QEntity *>(Q_NULLPTR);
+
+        Qt3DRender::QCameraSelector *selector1 = new Qt3DRender::QCameraSelector();
+        Qt3DCore::QEntity *camera1 = new Qt3DCore::QEntity();
+        QTest::newRow("valid camera") << selector1 << camera1;
+        selector1->setCamera(camera1);
+    }
+
+    void checkCloning()
+    {
+        // GIVEN
+        QFETCH(Qt3DRender::QCameraSelector *, cameraSelector);
+        QFETCH(Qt3DCore::QEntity *, camera);
+
+        // WHEN
+        Qt3DRender::QCameraSelector *clone = static_cast<Qt3DRender::QCameraSelector *>(QNode::clone(cameraSelector));
+
+        // THEN
+        QVERIFY(clone != Q_NULLPTR);
+
+        QCOMPARE(cameraSelector->id(), clone->id());
+        if (cameraSelector->camera()) {
+            QVERIFY(clone->camera());
+            QCOMPARE(clone->camera()->id(), camera->id());
+        } else {
+            QVERIFY(clone->camera() == Q_NULLPTR);
+        }
+
+        delete cameraSelector;
+        delete clone;
+    }
+
+    void checkPropertyUpdates()
+    {
+        // GIVEN
+        QScopedPointer<Qt3DRender::QCameraSelector> cameraSelector(new Qt3DRender::QCameraSelector());
+        TestArbiter arbiter(cameraSelector.data());
+
+        // WHEN
+        Qt3DCore::QEntity *camera = new Qt3DCore::QEntity();
+        cameraSelector->setCamera(camera);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        Qt3DCore::QScenePropertyChangePtr change = arbiter.events.first().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "camera");
+        QCOMPARE(change->value().value<Qt3DCore::QNodeId>(), camera->id());
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+
+        // WHEN
+        cameraSelector->setCamera(camera);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 0);
+
+        // WHEN
+        Qt3DCore::QEntity *camera2 = new Qt3DCore::QEntity();
+        cameraSelector->setCamera(camera2);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        change = arbiter.events.first().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "camera");
+        QCOMPARE(change->value().value<Qt3DCore::QNodeId>(), camera2->id());
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+        arbiter.events.clear();
+
+        // WHEN
+        cameraSelector->setCamera(Q_NULLPTR);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        change = arbiter.events.first().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "camera");
+        QCOMPARE(change->value().value<Qt3DCore::QNodeId>(), Qt3DCore::QNodeId());
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+    }
+
+protected:
+    Qt3DCore::QNode *doClone() const Q_DECL_OVERRIDE
+    {
+        return Q_NULLPTR;
+    }
+
+};
+
+QTEST_MAIN(tst_QCameraSelector)
+
+#include "tst_qcameraselector.moc"