tst_runtimeloader.cpp

// Copyright (C) 2025 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QTest>

#include <QQuickView>

#include "../shared/util.h"

class tst_RuntimeLoader : public QQuick3DDataTest

    Q_OBJECT

private slots:

    void initTestCase() override;

    void queryAll_data();

    void queryAll();

    void nativeGltfFeatures();

    void materialVariantSwitching();

};

void tst_RuntimeLoader::initTestCase()

    QQuick3DDataTest::initTestCase();

    if (!initialized())

        return;

void tst_RuntimeLoader::queryAll_data()

    QTest::addColumn<bool>("assimpFallback");

    QTest::newRow("nativeGltf") << false;

    QTest::newRow("assimpFallback") << true;

void tst_RuntimeLoader::queryAll()

    QFETCH(bool, assimpFallback);

    if (assimpFallback)

        qputenv("QT_QUICK3D_DISABLE_NATIVE_GLTF", "1");

    const auto cleanup = qScopeGuard([] { qunsetenv("QT_QUICK3D_DISABLE_NATIVE_GLTF"); });

    QScopedPointer<QQuickView> view(createView(QLatin1String("queryall.qml"), QSize(200, 200)));

    QVERIFY(view);

    QVERIFY(QTest::qWaitForWindowExposed(view.data()));

    const QImage frame = grab(view.data());

    if (frame.isNull())

        return;

    // Wait for either a successful load or an error (e.g. importer plugin absent).

    QTRY_VERIFY_WITH_TIMEOUT(view->rootObject()->property("loaded").toBool()

                             || view->rootObject()->property("loadError").toBool(),

                             10000);

    if (view->rootObject()->property("loadError").toBool())

        QSKIP("Asset failed to load — importer plugin likely not available on this platform");

    QVERIFY(view->rootObject()->property("materialCount").toInt() > 0);

    QVERIFY(view->rootObject()->property("modelCount").toInt() > 0);

    QVERIFY(view->rootObject()->property("lightCount").toInt() > 0);

    QVERIFY(view->rootObject()->property("queryNullForMissing").toBool());

// Loads assets exercising textures with transforms, material extensions,

// skinning, morph targets, and animations through the native glTF importer.

void tst_RuntimeLoader::nativeGltfFeatures()

    QScopedPointer<QQuickView> view(createView(QLatin1String("nativegltf.qml"), QSize(200, 200)));

    QVERIFY(view);

    QVERIFY(QTest::qWaitForWindowExposed(view.data()));

    const QImage frame = grab(view.data());

    if (frame.isNull())

        return;

    QTRY_VERIFY_WITH_TIMEOUT(view->rootObject()->property("settled").toBool(), 10000);

    const QString errors = view->rootObject()->property("errors").toString();

    if (errors.contains(QLatin1String("unsupported file extension")))

        QSKIP("glTF importer plugin not available on this platform");

    QCOMPARE(errors, QString());

    QCOMPARE(view->rootObject()->property("loadedCount").toInt(),

             view->rootObject()->property("totalCount").toInt());

// Switches between the material variants of a KHR_materials_variants asset

void tst_RuntimeLoader::materialVariantSwitching()

    QScopedPointer<QQuickView> view(createView(QLatin1String("variants.qml"), QSize(200, 200)));

    QVERIFY(view);

    QVERIFY(QTest::qWaitForWindowExposed(view.data()));

    const QImage frame = grab(view.data());

    if (frame.isNull())

        return;

    QTRY_VERIFY_WITH_TIMEOUT(view->rootObject()->property("loaded").toBool()

                             || view->rootObject()->property("loadError").toBool(),

                             10000);

    if (view->rootObject()->property("loadError").toBool())

        QSKIP("Asset failed to load — importer plugin likely not available on this platform");

    QCOMPARE(view->rootObject()->property("variants").toStringList(),

             (QStringList { QStringLiteral("Red"), QStringLiteral("Blue") }));

    QCOMPARE(view->rootObject()->property("defaultMaterial").toString(), QStringLiteral("gray"));

    QCOMPARE(view->rootObject()->property("blueMaterial").toString(), QStringLiteral("blue"));

    QCOMPARE(view->rootObject()->property("redMaterial").toString(), QStringLiteral("red"));

    QCOMPARE(view->rootObject()->property("restoredMaterial").toString(), QStringLiteral("gray"));

QTEST_MAIN(tst_RuntimeLoader)

#include "tst_runtimeloader.moc"