Add unit tests for the EventForward backend node

Change-Id: I1b04c3a89e52923b31adbd60bc88c906c020a93a
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 211 insertions, 1 deletions

diff --git a/tests/auto/render/eventforward/eventforward.pro b/tests/auto/render/eventforward/eventforward.pro
new file mode 100644
index 000000000..22b481c77
--- /dev/null
+++ b/tests/auto/render/eventforward/eventforward.pro
@@ -0,0 +1,12 @@
+TEMPLATE = app
+
+TARGET = tst_eventforward
+
+QT += 3dcore 3dcore-private 3drender 3drender-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_eventforward.cpp
+
+include(../../core/common/common.pri)
+include(../commons/commons.pri)
diff --git a/tests/auto/render/eventforward/tst_eventforward.cpp b/tests/auto/render/eventforward/tst_eventforward.cpp
new file mode 100644
index 000000000..9a87fc40f
--- /dev/null
+++ b/tests/auto/render/eventforward/tst_eventforward.cpp
@@ -0,0 +1,197 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** 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 <Qt3DRender/qeventforward.h>
+#include <Qt3DRender/private/qeventforward_p.h>
+#include <Qt3DRender/private/eventforward_p.h>
+#include <Qt3DCore/qpropertyupdatedchange.h>
+#include "qbackendnodetester.h"
+#include "testrenderer.h"
+
+class tst_EventForward : public Qt3DCore::QBackendNodeTester
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+
+    void checkInitialState()
+    {
+        // GIVEN
+        Qt3DRender::Render::EventForward backendEventForward;
+
+        // THEN
+        QCOMPARE(backendEventForward.isEnabled(), false);
+        QVERIFY(backendEventForward.peerId().isNull());
+        QCOMPARE(backendEventForward.target(), nullptr);
+        QCOMPARE(backendEventForward.coordinateAttribute(), QStringLiteral(""));
+        QCOMPARE(backendEventForward.coordinateTransform(), QMatrix4x4());
+        QCOMPARE(backendEventForward.forwardMouseEvents(), false);
+        QCOMPARE(backendEventForward.forwardKeyboardEvents(), false);
+    }
+
+    void checkCleanupState()
+    {
+        // GIVEN
+        Qt3DRender::Render::EventForward backendEventForward;
+        QScopedPointer<QObject> obj(new QObject());
+        QMatrix4x4 transform;
+        transform.scale(1.0f, 2.0f, 3.0f);
+
+        // WHEN
+        backendEventForward.setEnabled(true);
+        backendEventForward.setTarget(obj.data());
+        backendEventForward.setCoordinateAttribute(QStringLiteral("default"));
+        backendEventForward.setCoordinateTransform(transform);
+        backendEventForward.setForwardMouseEvents(true);
+        backendEventForward.setForwardKeyboardEvents(true);
+
+        backendEventForward.cleanup();
+
+        // THEN
+        QCOMPARE(backendEventForward.isEnabled(), false);
+        QCOMPARE(backendEventForward.target(), nullptr);
+        QCOMPARE(backendEventForward.coordinateAttribute(), QStringLiteral(""));
+        QCOMPARE(backendEventForward.coordinateTransform(), QMatrix4x4());
+        QCOMPARE(backendEventForward.forwardMouseEvents(), false);
+        QCOMPARE(backendEventForward.forwardKeyboardEvents(), false);
+    }
+
+    void checkInitializeFromPeer()
+    {
+        // GIVEN
+        Qt3DRender::QEventForward eventForward;
+
+        {
+            // WHEN
+            Qt3DRender::Render::EventForward backendEventForward;
+            simulateInitialization(&eventForward, &backendEventForward);
+
+            // THEN
+            QCOMPARE(backendEventForward.isEnabled(), true);
+            QCOMPARE(backendEventForward.peerId(), eventForward.id());
+            QCOMPARE(backendEventForward.target(), nullptr);
+            QCOMPARE(backendEventForward.coordinateAttribute(), QStringLiteral("default"));
+            QCOMPARE(backendEventForward.coordinateTransform(), QMatrix4x4());
+            QCOMPARE(backendEventForward.forwardMouseEvents(), true);
+            QCOMPARE(backendEventForward.forwardKeyboardEvents(), false);
+        }
+        {
+            // WHEN
+            Qt3DRender::Render::EventForward backendEventForward;
+            eventForward.setEnabled(false);
+            simulateInitialization(&eventForward, &backendEventForward);
+
+            // THEN
+            QCOMPARE(backendEventForward.peerId(), eventForward.id());
+            QCOMPARE(backendEventForward.isEnabled(), false);
+        }
+    }
+
+    void checkSceneChangeEvents()
+    {
+        // GIVEN
+        Qt3DRender::Render::EventForward backendEventForward;
+        TestRenderer renderer;
+        backendEventForward.setRenderer(&renderer);
+
+        {
+             // WHEN
+             const bool newValue = false;
+             const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+             change->setPropertyName("enabled");
+             change->setValue(newValue);
+             backendEventForward.sceneChangeEvent(change);
+
+             // THEN
+            QCOMPARE(backendEventForward.isEnabled(), newValue);
+        }
+        {
+             // WHEN
+             QScopedPointer<Qt3DRender::QEventForward> obj(new Qt3DRender::QEventForward());
+             Qt3DRender::QEventForward * newValue = obj.data();
+             const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+             change->setPropertyName("target");
+             change->setValue(QVariant::fromValue(newValue));
+             backendEventForward.sceneChangeEvent(change);
+
+             // THEN
+            QCOMPARE(backendEventForward.target(), newValue);
+        }
+        {
+             // WHEN
+             const QString newValue = QStringLiteral("position");
+             const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+             change->setPropertyName("coordinateAttribute");
+             change->setValue(QVariant::fromValue(newValue));
+             backendEventForward.sceneChangeEvent(change);
+
+             // THEN
+            QCOMPARE(backendEventForward.coordinateAttribute(), newValue);
+        }
+        {
+             // WHEN
+             QMatrix4x4 newValue;
+             newValue.rotate(2.0f, QVector3D(0, 0, 1.0f));
+             const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+             change->setPropertyName("coordinateTransform");
+             change->setValue(QVariant::fromValue(newValue));
+             backendEventForward.sceneChangeEvent(change);
+
+             // THEN
+            QCOMPARE(backendEventForward.coordinateTransform(), newValue);
+        }
+        {
+             // WHEN
+             const bool newValue = true;
+             const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+             change->setPropertyName("forwardMouseEvents");
+             change->setValue(QVariant::fromValue(newValue));
+             backendEventForward.sceneChangeEvent(change);
+
+             // THEN
+            QCOMPARE(backendEventForward.forwardMouseEvents(), newValue);
+        }
+        {
+             // WHEN
+             const bool newValue = true;
+             const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+             change->setPropertyName("forwardKeyboardEvents");
+             change->setValue(QVariant::fromValue(newValue));
+             backendEventForward.sceneChangeEvent(change);
+
+             // THEN
+            QCOMPARE(backendEventForward.forwardKeyboardEvents(), newValue);
+        }
+    }
+
+};
+
+QTEST_MAIN(tst_EventForward)
+
+#include "tst_eventforward.moc"
diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index c42d47e1f..34c07f7dc 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -97,7 +97,8 @@ qtConfig(private_tests) {
         rendercapture \
         trianglevisitor \
         qmemorybarrier \
-        qeventforward
+        qeventforward \
+        eventforward
 
     !macos: SUBDIRS += graphicshelpergl4
 }