tst_sceneloader.cpp

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// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).

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

#include <QtTest/QTest>

#include <qbackendnodetester.h>

#include <Qt3DRender/qsceneloader.h>

#include <Qt3DRender/private/scene_p.h>

#include <Qt3DRender/private/scenemanager_p.h>

#include <Qt3DCore/private/qbackendnode_p.h>

#include <Qt3DCore/private/qentity_p.h>

#include "testarbiter.h"

#include "testrenderer.h"

class tst_SceneLoader : public Qt3DCore::QBackendNodeTester

    Q_OBJECT

private Q_SLOTS:

    void checkInitialAndCleanedUpState()

        // GIVEN

        TestRenderer renderer;

        Qt3DRender::Render::Scene sceneLoader;

        Qt3DRender::Render::SceneManager sceneManager;

        // THEN

        QVERIFY(sceneLoader.source().isEmpty());

        QVERIFY(sceneLoader.peerId().isNull());

        QVERIFY(sceneManager.takePendingSceneLoaderJobs().empty());

        // GIVEN

        Qt3DRender::QSceneLoader frontendSceneLoader;

        const QUrl newUrl(QStringLiteral("CorvetteMuseum"));

        frontendSceneLoader.setSource(newUrl);

        // WHEN

        sceneLoader.setRenderer(&renderer);

        sceneLoader.setSceneManager(&sceneManager);

        simulateInitializationSync(&frontendSceneLoader, &sceneLoader);

        // THEN

        QVERIFY(!sceneLoader.peerId().isNull());

        QCOMPARE(sceneLoader.source(), newUrl);

        // WHEN

        sceneLoader.cleanup();

        // THEN

        QVERIFY(sceneLoader.source().isEmpty());

    void checkPeerPropertyMirroring()

        // GIVEN

        TestRenderer renderer;

        Qt3DRender::QSceneLoader frontendSceneLoader;

        frontendSceneLoader.setSource(QUrl(QStringLiteral("file:///CorvetteMuseum")));

        Qt3DRender::Render::Scene sceneLoader;

        Qt3DRender::Render::SceneManager sceneManager;

        // WHEN

        sceneLoader.setRenderer(&renderer);

        sceneLoader.setSceneManager(&sceneManager);

        simulateInitializationSync(&frontendSceneLoader, &sceneLoader);

        // THEN

        QCOMPARE(sceneLoader.peerId(), frontendSceneLoader.id());

        QCOMPARE(sceneLoader.source(), frontendSceneLoader.source());

        QVERIFY(!sceneManager.takePendingSceneLoaderJobs().empty());

    void checkPropertyChanges()

        // GIVEN

        TestRenderer renderer;

        Qt3DRender::Render::Scene sceneLoader;

        Qt3DRender::Render::SceneManager sceneManager;

        Qt3DRender::QSceneLoader frontendSceneLoader;

        sceneLoader.setRenderer(&renderer);

        sceneLoader.setSceneManager(&sceneManager);

        simulateInitializationSync(&frontendSceneLoader, &sceneLoader);

        // THEN

        QVERIFY(sceneManager.takePendingSceneLoaderJobs().empty());

        // WHEN

        const QUrl newUrl(QStringLiteral("file:///Bownling_Green_KY"));

        frontendSceneLoader.setSource(newUrl);

        sceneLoader.syncFromFrontEnd(&frontendSceneLoader, false);

        // THEN

        QCOMPARE(sceneLoader.source(), newUrl);

        QVERIFY(!sceneManager.takePendingSceneLoaderJobs().empty());

        // WHEN

        frontendSceneLoader.setEnabled(false);

        sceneLoader.syncFromFrontEnd(&frontendSceneLoader, false);

        // THEN

        QCOMPARE(sceneLoader.isEnabled(), false);

    void checkProcessEmptyPath()

        // GIVEN

        TestRenderer renderer;

        Qt3DRender::Render::Scene sceneLoader;

        Qt3DRender::Render::SceneManager sceneManager;

        Qt3DRender::QSceneLoader frontendSceneLoader;

        sceneLoader.setRenderer(&renderer);

        sceneLoader.setSceneManager(&sceneManager);

        simulateInitializationSync(&frontendSceneLoader, &sceneLoader);

        // THEN

        QVERIFY(sceneManager.takePendingSceneLoaderJobs().empty());

        // WHEN

        const QUrl newUrl(QStringLiteral("file:///Bownling_Green_KY"));

        frontendSceneLoader.setSource(newUrl);

        sceneLoader.syncFromFrontEnd(&frontendSceneLoader, false);

        // THEN

        QCOMPARE(sceneLoader.source(), newUrl);

        QVERIFY(!sceneManager.takePendingSceneLoaderJobs().empty());

        // WHEN

        frontendSceneLoader.setSource(QUrl());

        sceneLoader.syncFromFrontEnd(&frontendSceneLoader, false);

        // THEN -> we should still have generated a job to reset the scene (immediately)

        QCOMPARE(sceneLoader.source(), QUrl());

        QVERIFY(!sceneManager.takePendingSceneLoaderJobs().empty());

};

// Note: setSceneSubtree needs a QCoreApplication

QTEST_MAIN(tst_SceneLoader)

#include "tst_sceneloader.moc"