Add unit tests for QRenderCapture frontend node

Unit tests for the frontend node.

Change-Id: I5cb97533da655771155815782e68d8ce2ff463aa
Reviewed-by: Kevin Ottens <kevin.ottens@kdab.com>

3 files changed, 126 insertions, 1 deletions

diff --git a/tests/auto/render/qrendercapture/qrendercapture.pro b/tests/auto/render/qrendercapture/qrendercapture.pro
new file mode 100644
index 000000000..999f95a58
--- /dev/null
+++ b/tests/auto/render/qrendercapture/qrendercapture.pro
@@ -0,0 +1,11 @@
+TEMPLATE = app
+
+TARGET = tst_qrendercapture
+
+QT += core-private 3dcore 3dcore-private 3drender 3drender-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qrendercapture.cpp
+
+include(../commons/commons.pri)
diff --git a/tests/auto/render/qrendercapture/tst_qrendercapture.cpp b/tests/auto/render/qrendercapture/tst_qrendercapture.cpp
new file mode 100644
index 000000000..ef1e9f53c
--- /dev/null
+++ b/tests/auto/render/qrendercapture/tst_qrendercapture.cpp
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 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 <QtTest/QSignalSpy>
+#include <Qt3DCore/private/qnode_p.h>
+#include <Qt3DCore/private/qscene_p.h>
+#include <Qt3DRender/QRenderCapture>
+#include <Qt3DRender/private/qrendercapture_p.h>
+
+#include "testpostmanarbiter.h"
+
+class MyRenderCapture : public Qt3DRender::QRenderCapture
+{
+    Q_OBJECT
+public:
+    MyRenderCapture(Qt3DCore::QNode *parent = nullptr)
+        : Qt3DRender::QRenderCapture(parent)
+    {}
+
+    void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change) Q_DECL_FINAL
+    {
+        Qt3DRender::QRenderCapture::sceneChangeEvent(change);
+    }
+
+private:
+    friend class tst_QRenderCapture;
+};
+
+class tst_QRenderCapture : public Qt3DCore::QNode
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+
+    void checkCaptureRequest()
+    {
+        // GIVEN
+        TestArbiter arbiter;
+        QScopedPointer<Qt3DRender::QRenderCapture> renderCapture(new Qt3DRender::QRenderCapture());
+        arbiter.setArbiterOnNode(renderCapture.data());
+
+        // WHEN
+        QScopedPointer<Qt3DRender::QRenderCaptureReply> reply(renderCapture->requestCapture(12));
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        Qt3DCore::QPropertyUpdatedChangePtr change = arbiter.events.first().staticCast<Qt3DCore::QPropertyUpdatedChange>();
+        QCOMPARE(change->propertyName(), "renderCaptureRequest");
+        QCOMPARE(change->subjectId(),renderCapture->id());
+        QCOMPARE(change->type(), Qt3DCore::PropertyUpdated);
+        QCOMPARE(change->value().toInt(), 12);
+
+        arbiter.events.clear();
+    }
+
+    void checkRenderCaptureReply()
+    {
+        // GIVEN
+        QScopedPointer<MyRenderCapture> renderCapture(new MyRenderCapture());
+        QScopedPointer<Qt3DRender::QRenderCaptureReply> reply(renderCapture->requestCapture(52));
+        QImage img = QImage(20, 20, QImage::Format_ARGB32);
+
+        // WHEN
+        Qt3DRender::RenderCaptureDataPtr data = Qt3DRender::RenderCaptureDataPtr::create();
+        data.data()->captureId = 52;
+        data.data()->image = img;
+
+        auto e = Qt3DCore::QPropertyUpdatedChangePtr::create(renderCapture->id());
+        e->setDeliveryFlags(Qt3DCore::QSceneChange::DeliverToAll);
+        e->setPropertyName("renderCaptureData");
+        e->setValue(QVariant::fromValue(data));
+
+        renderCapture->sceneChangeEvent(e);
+
+        // THEN
+        QCOMPARE(reply->isComplete(), true);
+        QCOMPARE(reply->captureId(), 52);
+        QCOMPARE(reply->image().width(), 20);
+        QCOMPARE(reply->image().height(), 20);
+        QCOMPARE(reply->image().format(), QImage::Format_ARGB32);
+    }
+};
+
+QTEST_MAIN(tst_QRenderCapture)
+
+#include "tst_qrendercapture.moc"
diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index 36eda8afb..95cf94d2f 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -57,5 +57,6 @@ qtConfig(private_tests) {
         qsceneloader \
         qrendertargetoutput \
         qcameralens \
-        qcomputecommand
+        qcomputecommand \
+        qrendercapture
 }