Unit tests: add QmlSceneReader

Allows to load a scene tree from QML

Change-Id: Ia91b369b0676475c13d6598bba229008e9d17daa
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

3 files changed, 154 insertions, 0 deletions

diff --git a/tests/auto/render/qmlscenereader/qmlscenereader.cpp b/tests/auto/render/qmlscenereader/qmlscenereader.cpp
new file mode 100644
index 000000000..182782edb
--- /dev/null
+++ b/tests/auto/render/qmlscenereader/qmlscenereader.cpp
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 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.LGPL3 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-3.0.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 (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmlscenereader.h"
+#include <QQmlEngine>
+#include <QQmlComponent>
+#include <QDebug>
+
+QT_BEGIN_NAMESPACE
+
+QmlSceneReader::QmlSceneReader(const QUrl &source)
+    : m_qmlEngine(new QQmlEngine)
+    , m_component(new QQmlComponent(m_qmlEngine.data(), source, QQmlComponent::PreferSynchronous))
+    , m_root(nullptr)
+{
+    loadComplete();
+}
+
+QmlSceneReader::~QmlSceneReader()
+{}
+
+// Caller needs to delete m_root
+QObject *QmlSceneReader::root() const
+{
+    return m_root;
+}
+
+void QmlSceneReader::loadComplete()
+{
+    if (m_component->isError()) {
+        const auto errors = m_component->errors();
+        for (const QQmlError &error : errors) {
+            QMessageLogger(error.url().toString().toLatin1().constData(), error.line(), 0).warning()
+                << error;
+        }
+        return;
+    }
+    m_root = m_component->create();
+    if (m_component->isError()) {
+        const auto errors = m_component->errors();
+        for (const QQmlError &error : errors) {
+            QMessageLogger(error.url().toString().toLatin1().constData(), error.line(), 0).warning()
+                << error;
+        }
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/tests/auto/render/qmlscenereader/qmlscenereader.h b/tests/auto/render/qmlscenereader/qmlscenereader.h
new file mode 100644
index 000000000..9d4643d93
--- /dev/null
+++ b/tests/auto/render/qmlscenereader/qmlscenereader.h
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 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.LGPL3 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-3.0.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 (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QObject>
+
+QT_BEGIN_NAMESPACE
+
+class QQmlEngine;
+class QQmlComponent;
+
+class QmlSceneReader : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QmlSceneReader(const QUrl &source);
+    ~QmlSceneReader();
+    QObject *root() const;
+
+private:
+    QScopedPointer<QQmlEngine> m_qmlEngine;
+    QScopedPointer<QQmlComponent> m_component;
+    QObject *m_root;
+
+    void loadComplete();
+};
+
+QT_END_NAMESPACE
diff --git a/tests/auto/render/qmlscenereader/qmlscenereader.pri b/tests/auto/render/qmlscenereader/qmlscenereader.pri
new file mode 100644
index 000000000..829f2a612
--- /dev/null
+++ b/tests/auto/render/qmlscenereader/qmlscenereader.pri
@@ -0,0 +1,7 @@
+INCLUDEPATH += $$PWD
+
+SOURCES += $$PWD/qmlscenereader.cpp
+
+HEADERS += $$PWD/qmlscenereader.h
+
+QT += core-private qml