QOrbitCameraController: add unit tests

Change-Id: I9d35b44d9b2928e273e893c33a6aad09b2f3f971
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 161 insertions, 1 deletions

diff --git a/tests/auto/extras/extras.pro b/tests/auto/extras/extras.pro
index 8890d7375..bbdf118b3 100644
--- a/tests/auto/extras/extras.pro
+++ b/tests/auto/extras/extras.pro
@@ -5,5 +5,6 @@ contains(QT_CONFIG, private_tests) {
         qcuboidgeometry \
         qtorusgeometry \
         qforwardrenderer \
-        qfirstpersoncameracontroller
+        qfirstpersoncameracontroller \
+        qorbitcameracontroller
 }
diff --git a/tests/auto/extras/qorbitcameracontroller/qorbitcameracontroller.pro b/tests/auto/extras/qorbitcameracontroller/qorbitcameracontroller.pro
new file mode 100644
index 000000000..5a6b68503
--- /dev/null
+++ b/tests/auto/extras/qorbitcameracontroller/qorbitcameracontroller.pro
@@ -0,0 +1,10 @@
+TEMPLATE = app
+
+TARGET = tst_qorbitcameracontroller
+
+QT += 3dcore 3dcore-private 3drender 3drender-private 3dextras testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qorbitcameracontroller.cpp
+
diff --git a/tests/auto/extras/qorbitcameracontroller/tst_qorbitcameracontroller.cpp b/tests/auto/extras/qorbitcameracontroller/tst_qorbitcameracontroller.cpp
new file mode 100644
index 000000000..04f92b6ac
--- /dev/null
+++ b/tests/auto/extras/qorbitcameracontroller/tst_qorbitcameracontroller.cpp
@@ -0,0 +1,149 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QTest>
+#include <Qt3DExtras/qorbitcameracontroller.h>
+#include <Qt3DRender/qcamera.h>
+#include <QObject>
+#include <QSignalSpy>
+
+class tst_QOrbitCameraController : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+
+    void checkDefaultConstruction()
+    {
+        // GIVEN
+        Qt3DExtras::QOrbitCameraController orbitCameraController;
+
+        // THEN
+        QVERIFY(orbitCameraController.camera() == nullptr);
+        QCOMPARE(orbitCameraController.linearSpeed(), 10.0f);
+        QCOMPARE(orbitCameraController.lookSpeed(), 180.0f);
+        QCOMPARE(orbitCameraController.zoomInLimit(), 2.0f);
+    }
+
+    void checkPropertyChanges()
+    {
+        // GIVEN
+        Qt3DExtras::QOrbitCameraController orbitCameraController;
+
+        {
+            // WHEN
+            QSignalSpy spy(&orbitCameraController, SIGNAL(cameraChanged()));
+            Qt3DRender::QCamera *newValue = new Qt3DRender::QCamera(&orbitCameraController);
+            orbitCameraController.setCamera(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.camera(), newValue);
+            QCOMPARE(spy.count(), 1);
+
+            // WHEN
+            spy.clear();
+            orbitCameraController.setCamera(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.camera(), newValue);
+            QCOMPARE(spy.count(), 0);
+
+            // WHEN
+            spy.clear();
+            // Check node bookeeping
+            delete newValue;
+
+            // THEN
+            QCOMPARE(spy.count(), 1);
+            QVERIFY(orbitCameraController.camera() == nullptr);
+        }
+        {
+            // WHEN
+            QSignalSpy spy(&orbitCameraController, SIGNAL(linearSpeedChanged()));
+            const float newValue = 0.0f;
+            orbitCameraController.setLinearSpeed(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.linearSpeed(), newValue);
+            QCOMPARE(spy.count(), 1);
+
+            // WHEN
+            spy.clear();
+            orbitCameraController.setLinearSpeed(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.linearSpeed(), newValue);
+            QCOMPARE(spy.count(), 0);
+
+        }
+        {
+            // WHEN
+            QSignalSpy spy(&orbitCameraController, SIGNAL(lookSpeedChanged()));
+            const float newValue = 100.0f;
+            orbitCameraController.setLookSpeed(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.lookSpeed(), newValue);
+            QCOMPARE(spy.count(), 1);
+
+            // WHEN
+            spy.clear();
+            orbitCameraController.setLookSpeed(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.lookSpeed(), newValue);
+            QCOMPARE(spy.count(), 0);
+
+        }
+        {
+            // WHEN
+            QSignalSpy spy(&orbitCameraController, SIGNAL(zoomInLimitChanged()));
+            const float newValue = 1.0f;
+            orbitCameraController.setZoomInLimit(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.zoomInLimit(), newValue);
+            QCOMPARE(spy.count(), 1);
+
+            // WHEN
+            spy.clear();
+            orbitCameraController.setZoomInLimit(newValue);
+
+            // THEN
+            QCOMPARE(orbitCameraController.zoomInLimit(), newValue);
+            QCOMPARE(spy.count(), 0);
+
+        }
+    }
+
+};
+
+QTEST_APPLESS_MAIN(tst_QOrbitCameraController)
+
+#include "tst_qorbitcameracontroller.moc"