Add unit tests for QMesh

Change-Id: Id3ebbdef22d2c3735dfc57f9d7dbcecac039a5d8
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 244 insertions, 1 deletions

diff --git a/tests/auto/render/qmesh/qmesh.pro b/tests/auto/render/qmesh/qmesh.pro
new file mode 100644
index 000000000..8d0e69abc
--- /dev/null
+++ b/tests/auto/render/qmesh/qmesh.pro
@@ -0,0 +1,12 @@
+TEMPLATE = app
+
+TARGET = tst_qmesh
+
+QT += 3dcore 3dcore-private 3drender 3drender-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qmesh.cpp
+
+include(../../core/common/common.pri)
+include(../commons/commons.pri)
diff --git a/tests/auto/render/qmesh/tst_qmesh.cpp b/tests/auto/render/qmesh/tst_qmesh.cpp
new file mode 100644
index 000000000..2122d7eb5
--- /dev/null
+++ b/tests/auto/render/qmesh/tst_qmesh.cpp
@@ -0,0 +1,230 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Paul Lemire <paul.lemire350@gmail.com>
+** 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/qmesh.h>
+#include <Qt3DRender/private/qmesh_p.h>
+#include <QObject>
+#include <QSignalSpy>
+#include <Qt3DCore/qpropertyupdatedchange.h>
+#include <Qt3DCore/private/qnodecreatedchangegenerator_p.h>
+#include <Qt3DCore/qnodecreatedchange.h>
+#include "testpostmanarbiter.h"
+
+class tst_QMesh : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+
+    void checkDefaultConstruction()
+    {
+        // GIVEN
+        Qt3DRender::QMesh mesh;
+
+        // THEN
+        QCOMPARE(mesh.source(), QUrl());
+        QCOMPARE(mesh.meshName(), QString());
+    }
+
+    void checkPropertyChanges()
+    {
+        // GIVEN
+        Qt3DRender::QMesh mesh;
+
+        {
+            // WHEN
+            QSignalSpy spy(&mesh, SIGNAL(sourceChanged(QUrl)));
+            const QUrl newValue(QStringLiteral("qrc:/mesh.obj"));
+            mesh.setSource(newValue);
+
+            // THEN
+            QVERIFY(spy.isValid());
+            QCOMPARE(mesh.source(), newValue);
+            QCOMPARE(spy.count(), 1);
+
+            // WHEN
+            spy.clear();
+            mesh.setSource(newValue);
+
+            // THEN
+            QCOMPARE(mesh.source(), newValue);
+            QCOMPARE(spy.count(), 0);
+        }
+        {
+            // WHEN
+            QSignalSpy spy(&mesh, SIGNAL(meshNameChanged(QString)));
+            const QString newValue = QStringLiteral("MainBody");
+            mesh.setMeshName(newValue);
+
+            // THEN
+            QVERIFY(spy.isValid());
+            QCOMPARE(mesh.meshName(), newValue);
+            QCOMPARE(spy.count(), 1);
+
+            // WHEN
+            spy.clear();
+            mesh.setMeshName(newValue);
+
+            // THEN
+            QCOMPARE(mesh.meshName(), newValue);
+            QCOMPARE(spy.count(), 0);
+        }
+    }
+
+    void checkCreationData()
+    {
+        // GIVEN
+        Qt3DRender::QMesh mesh;
+
+        mesh.setSource(QUrl(QStringLiteral("http://someRemoteURL.com")));
+        mesh.setMeshName(QStringLiteral("RearPropeller"));
+
+        // WHEN
+        QVector<Qt3DCore::QNodeCreatedChangeBasePtr> creationChanges;
+
+        {
+            Qt3DCore::QNodeCreatedChangeGenerator creationChangeGenerator(&mesh);
+            creationChanges = creationChangeGenerator.creationChanges();
+        }
+
+        // THEN
+        {
+            QCOMPARE(creationChanges.size(), 1);
+
+            const auto creationChangeData = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<Qt3DRender::QGeometryRendererData>>(creationChanges.first());
+            const Qt3DRender::QGeometryRendererData cloneData = creationChangeData->data;
+
+            Qt3DRender::MeshFunctor meshFunctor(mesh.source(), mesh.meshName());
+
+            QVERIFY(meshFunctor == *cloneData.geometryFactory);
+            QCOMPARE(mesh.id(), creationChangeData->subjectId());
+            QCOMPARE(mesh.isEnabled(), true);
+            QCOMPARE(mesh.isEnabled(), creationChangeData->isNodeEnabled());
+            QCOMPARE(mesh.metaObject(), creationChangeData->metaObject());
+        }
+
+        // WHEN
+        mesh.setEnabled(false);
+
+        {
+            Qt3DCore::QNodeCreatedChangeGenerator creationChangeGenerator(&mesh);
+            creationChanges = creationChangeGenerator.creationChanges();
+        }
+
+        // THEN
+        {
+            QCOMPARE(creationChanges.size(), 1);
+
+            const auto creationChangeData = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<Qt3DRender::QGeometryRendererData>>(creationChanges.first());
+
+            QCOMPARE(mesh.id(), creationChangeData->subjectId());
+            QCOMPARE(mesh.isEnabled(), false);
+            QCOMPARE(mesh.isEnabled(), creationChangeData->isNodeEnabled());
+            QCOMPARE(mesh.metaObject(), creationChangeData->metaObject());
+        }
+    }
+
+    void checkSourceUpdate()
+    {
+        // GIVEN
+        TestArbiter arbiter;
+        Qt3DRender::QMesh mesh;
+        arbiter.setArbiterOnNode(&mesh);
+
+        {
+            // WHEN
+            mesh.setSource(QUrl(QStringLiteral("qrc:/toyplane.obj")));
+            QCoreApplication::processEvents();
+
+            // THEN
+            QCOMPARE(arbiter.events.size(), 1);
+            auto change = arbiter.events.first().staticCast<Qt3DCore::QPropertyUpdatedChange>();
+            QCOMPARE(change->propertyName(), "geometryFactory");
+            QCOMPARE(change->type(), Qt3DCore::PropertyUpdated);
+
+            Qt3DRender::MeshFunctor meshFunctor(mesh.source());
+            Qt3DRender::QGeometryFactoryPtr factory = change->value().value<Qt3DRender::QGeometryFactoryPtr>();
+            QVERIFY(meshFunctor == *factory);
+
+            arbiter.events.clear();
+        }
+
+        {
+            // WHEN
+            mesh.setSource(QStringLiteral("qrc:/toyplane.obj"));
+            QCoreApplication::processEvents();
+
+            // THEN
+            QCOMPARE(arbiter.events.size(), 0);
+        }
+
+    }
+
+    void checkMeshNameUpdate()
+    {
+        // GIVEN
+        TestArbiter arbiter;
+        Qt3DRender::QMesh mesh;
+        arbiter.setArbiterOnNode(&mesh);
+
+        {
+            // WHEN
+            mesh.setMeshName(QStringLiteral("Phil"));
+            QCoreApplication::processEvents();
+
+            // THEN
+            QCOMPARE(arbiter.events.size(), 1);
+            auto change = arbiter.events.first().staticCast<Qt3DCore::QPropertyUpdatedChange>();
+            QCOMPARE(change->propertyName(), "geometryFactory");
+            QCOMPARE(change->type(), Qt3DCore::PropertyUpdated);
+
+            Qt3DRender::MeshFunctor meshFunctor(QUrl(), mesh.meshName());
+            Qt3DRender::QGeometryFactoryPtr factory = change->value().value<Qt3DRender::QGeometryFactoryPtr>();
+            QVERIFY(meshFunctor == *factory);
+
+            arbiter.events.clear();
+        }
+
+        {
+            // WHEN
+            mesh.setMeshName(QStringLiteral("Phil"));
+            QCoreApplication::processEvents();
+
+            // THEN
+            QCOMPARE(arbiter.events.size(), 0);
+        }
+
+    }
+
+};
+
+QTEST_MAIN(tst_QMesh)
+
+#include "tst_qmesh.moc"
diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index 75c4568d1..d613e9278 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -87,7 +87,8 @@ qtConfig(private_tests) {
         qrenderpass \
         qfilterkey \
         effect \
-        filterkey
+        filterkey \
+        qmesh
 
     !macos: SUBDIRS += graphicshelpergl4
 }