Unit tests for RenderGeometry

Change-Id: Ife9e6572349ffbb14c95e75b12d35f8800612f32
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 155 insertions, 1 deletions

diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index 89e21e688..0a3e6322f 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -19,5 +19,6 @@ contains(QT_CONFIG, private_tests) {
         qgeometry \
         qgeometryrenderer \
         renderbuffer \
-        renderattribute
+        renderattribute \
+        rendergeometry
 }
diff --git a/tests/auto/render/rendergeometry/rendergeometry.pro b/tests/auto/render/rendergeometry/rendergeometry.pro
new file mode 100644
index 000000000..7ca493242
--- /dev/null
+++ b/tests/auto/render/rendergeometry/rendergeometry.pro
@@ -0,0 +1,9 @@
+TEMPLATE = app
+
+TARGET = tst_rendergeometry
+
+QT += 3dcore 3dcore-private 3drenderer 3drenderer-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_rendergeometry.cpp
diff --git a/tests/auto/render/rendergeometry/tst_rendergeometry.cpp b/tests/auto/render/rendergeometry/tst_rendergeometry.cpp
new file mode 100644
index 000000000..d0f8f9985
--- /dev/null
+++ b/tests/auto/render/rendergeometry/tst_rendergeometry.cpp
@@ -0,0 +1,144 @@
+/****************************************************************************
+**
+** 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 <Qt3DRenderer/private/rendergeometry_p.h>
+#include <Qt3DRenderer/qgeometry.h>
+#include <Qt3DRenderer/qattribute.h>
+#include <Qt3DCore/qscenepropertychange.h>
+
+class tst_RenderGeometry : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+
+    void checkPeerPropertyMirroring()
+    {
+        // GIVEN
+        Qt3D::Render::RenderGeometry renderGeometry;
+
+        Qt3D::QGeometry geometry;
+        Qt3D::QAttribute attr1;
+        Qt3D::QAttribute attr2;
+        Qt3D::QAttribute attr4;
+        Qt3D::QAttribute attr3;
+
+        geometry.addAttribute(&attr1);
+        geometry.addAttribute(&attr2);
+        geometry.addAttribute(&attr3);
+        geometry.addAttribute(&attr4);
+
+        // WHEN
+        renderGeometry.setPeer(&geometry);
+
+        // THEN
+        QCOMPARE(renderGeometry.peerUuid(), geometry.id());
+        QCOMPARE(renderGeometry.isDirty(), true);
+        QCOMPARE(renderGeometry.attributes().count(), 4);
+
+        for (int i = 0; i < 4; ++i)
+            QCOMPARE(geometry.attributes().at(i)->id(), renderGeometry.attributes().at(i));
+    }
+
+    void checkInitialAndCleanedUpState()
+    {
+        // GIVEN
+        Qt3D::Render::RenderGeometry renderGeometry;
+
+        // THEN
+        QCOMPARE(renderGeometry.isDirty(), false);
+        QVERIFY(renderGeometry.attributes().isEmpty());
+        QVERIFY(renderGeometry.peerUuid().isNull());
+
+        // GIVEN
+        Qt3D::QGeometry geometry;
+        Qt3D::QAttribute attr1;
+        Qt3D::QAttribute attr2;
+        Qt3D::QAttribute attr4;
+        Qt3D::QAttribute attr3;
+
+        geometry.addAttribute(&attr1);
+        geometry.addAttribute(&attr2);
+        geometry.addAttribute(&attr3);
+        geometry.addAttribute(&attr4);
+
+        // WHEN
+        renderGeometry.updateFromPeer(&geometry);
+        renderGeometry.cleanup();
+
+        // THEN
+        QCOMPARE(renderGeometry.isDirty(), false);
+        QVERIFY(renderGeometry.attributes().isEmpty());
+    }
+
+    void checkPropertyChanges()
+    {
+        // GIVEN
+        Qt3D::Render::RenderGeometry renderGeometry;
+        Qt3D::QNodeId geometryId = Qt3D::QNodeId::createId();
+
+        // WHEN
+        Qt3D::QScenePropertyChangePtr updateChange(new Qt3D::QScenePropertyChange(Qt3D::NodeAdded, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(QVariant::fromValue(geometryId));
+        updateChange->setPropertyName("attribute");
+        renderGeometry.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometry.attributes().count(), 1);
+        QVERIFY(renderGeometry.isDirty());
+
+        renderGeometry.unsetDirty();
+        QVERIFY(!renderGeometry.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeRemoved, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(QVariant::fromValue(geometryId));
+        updateChange->setPropertyName("attribute");
+        renderGeometry.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderGeometry.attributes().count(), 0);
+        QVERIFY(renderGeometry.isDirty());
+
+        renderGeometry.unsetDirty();
+        QVERIFY(!renderGeometry.isDirty());
+    }
+};
+
+
+QTEST_APPLESS_MAIN(tst_RenderGeometry)
+
+#include "tst_rendergeometry.moc"