tst_loadscenejob.cpp

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// Copyright (C) 2016 Paul Lemire <paul.lemire350@gmail.com>

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

#include <QtTest/QTest>

#include <Qt3DRender/private/scene_p.h>

#include <Qt3DRender/private/loadscenejob_p.h>

#include <Qt3DRender/private/qsceneimporter_p.h>

#include <Qt3DRender/private/nodemanagers_p.h>

#include <Qt3DRender/private/scenemanager_p.h>

#include <Qt3DCore/QEntity>

#include <Qt3DCore/private/qbackendnode_p.h>

#include "testarbiter.h"

class TestSceneImporter : public Qt3DRender::QSceneImporter

public:

    explicit TestSceneImporter(bool supportsFormat, bool shouldFail)

        : m_supportsFormat(supportsFormat)

        , m_shouldFail(shouldFail)

{}

    void setSource(const QUrl &source) override

        m_source = source;

    void setData(const QByteArray& data, const QString &basePath) override

        Q_UNUSED(data);

        Q_UNUSED(basePath);

    bool areFileTypesSupported(const QStringList &extensions) const override

        Q_UNUSED(extensions);

        return m_supportsFormat;

    Qt3DCore::QEntity *scene(const QString &) override

        return m_shouldFail ? nullptr : new Qt3DCore::QEntity();

    Qt3DCore::QEntity *node(const QString &) override

        return m_shouldFail ? nullptr : new Qt3DCore::QEntity();

    QUrl source() const

        return m_source;

private:

    QUrl m_source;

    bool m_supportsFormat;

    bool m_shouldFail;

};

class tst_LoadSceneJob : public QObject

    Q_OBJECT

private Q_SLOTS:

    void checkInitialState()

        // GIVEN

        QUrl url;

        Qt3DCore::QNodeId nodeId;

        Qt3DRender::Render::LoadSceneJob backendLoadSceneJob(url, nodeId);

        // THEN

        QCOMPARE(backendLoadSceneJob.source(), url);

        QCOMPARE(backendLoadSceneJob.sceneComponentId(), nodeId);

        QVERIFY(backendLoadSceneJob.nodeManagers() == nullptr);

        QCOMPARE(backendLoadSceneJob.sceneImporters().size(), 0);

    void checkInitialize()

        // GIVEN

        const QUrl url(QStringLiteral("file:///URL"));

        const Qt3DCore::QNodeId sceneId = Qt3DCore::QNodeId::createId();

        Qt3DRender::Render::NodeManagers nodeManagers;

        TestSceneImporter fakeImporter(true, true);

        // WHEN

        Qt3DRender::Render::LoadSceneJob backendLoadSceneJob(url, sceneId);

        backendLoadSceneJob.setNodeManagers(&nodeManagers);

        backendLoadSceneJob.setSceneImporters(

                    QList<Qt3DRender::QSceneImporter *>() << &fakeImporter);

        // THEN

        QCOMPARE(backendLoadSceneJob.source(), url);

        QCOMPARE(backendLoadSceneJob.sceneComponentId(), sceneId);

        QVERIFY(backendLoadSceneJob.nodeManagers() == &nodeManagers);

        QCOMPARE(backendLoadSceneJob.sceneImporters().size(), 1);

        QCOMPARE(backendLoadSceneJob.sceneImporters().first(), &fakeImporter);

    void checkRunValidSourceSupportedFormat()

        QSKIP("Can't test successful loading");

        // GIVEN

        const QUrl url(QStringLiteral("file:///URL"));

        TestArbiter arbiter;

        Qt3DRender::Render::NodeManagers nodeManagers;

        TestSceneImporter fakeImporter(true, false);

        Qt3DCore::QNodeId sceneId = Qt3DCore::QNodeId::createId();

        Qt3DRender::Render::Scene *scene = nodeManagers.sceneManager()->getOrCreateResource(sceneId);

        // THEN

        QVERIFY(scene != nullptr);

        // WHEN

        Qt3DRender::Render::LoadSceneJob loadSceneJob(url, sceneId);

        loadSceneJob.setNodeManagers(&nodeManagers);

        loadSceneJob.setSceneImporters(QList<Qt3DRender::QSceneImporter *>() << &fakeImporter);

        loadSceneJob.run();

        // THEN

        Qt3DRender::Render::LoadSceneJobPrivate *dJob = static_cast<decltype(dJob)>(Qt3DCore::QAspectJobPrivate::get(&loadSceneJob));

        QCOMPARE(dJob->m_status, Qt3DRender::QSceneLoader::Ready);

        QVERIFY(dJob->m_sceneSubtree != nullptr);

    void checkEmptySource()

        // GIVEN

        QUrl url;

        TestArbiter arbiter;

        Qt3DRender::Render::NodeManagers nodeManagers;

        TestSceneImporter fakeImporter(true, false);

        Qt3DCore::QNodeId sceneId = Qt3DCore::QNodeId::createId();

        Qt3DRender::Render::Scene *scene = nodeManagers.sceneManager()->getOrCreateResource(sceneId);

        // THEN

        QVERIFY(scene != nullptr);

        // WHEN

        Qt3DRender::Render::LoadSceneJob loadSceneJob(url, sceneId);

        loadSceneJob.setNodeManagers(&nodeManagers);

        loadSceneJob.setSceneImporters(QList<Qt3DRender::QSceneImporter *>() << &fakeImporter);

        loadSceneJob.run();

        // THEN

        Qt3DRender::Render::LoadSceneJobPrivate *dJob = static_cast<decltype(dJob)>(Qt3DCore::QAspectJobPrivate::get(&loadSceneJob));

        QCOMPARE(dJob->m_status, Qt3DRender::QSceneLoader::None);

        QVERIFY(dJob->m_sceneSubtree == nullptr);

    void checkRunValidSourceUnsupportedFormat()

        // no data is loaded so...

        QSKIP("Can't differentiate between no data and unsupported data");

        // GIVEN

        const QUrl url(QStringLiteral("file:///URL"));

        TestArbiter arbiter;

        Qt3DRender::Render::NodeManagers nodeManagers;

        TestSceneImporter fakeImporter(false, false);

        Qt3DCore::QNodeId sceneId = Qt3DCore::QNodeId::createId();

        Qt3DRender::Render::Scene *scene = nodeManagers.sceneManager()->getOrCreateResource(sceneId);

        // THEN

        QVERIFY(scene != nullptr);

        // WHEN

        Qt3DRender::Render::LoadSceneJob loadSceneJob(url, sceneId);

        loadSceneJob.setNodeManagers(&nodeManagers);

        loadSceneJob.setSceneImporters(QList<Qt3DRender::QSceneImporter *>() << &fakeImporter);

        loadSceneJob.run();

        // THEN

        Qt3DRender::Render::LoadSceneJobPrivate *dJob = static_cast<decltype(dJob)>(Qt3DCore::QAspectJobPrivate::get(&loadSceneJob));

        QCOMPARE(dJob->m_status, Qt3DRender::QSceneLoader::Error);

        QVERIFY(dJob->m_sceneSubtree == nullptr);

    void checkRunErrorAtLoading()

        // GIVEN

        const QUrl url(QStringLiteral("file:///URL"));

        Qt3DRender::Render::NodeManagers nodeManagers;

        TestSceneImporter fakeImporter(true, true);

        Qt3DCore::QNodeId sceneId = Qt3DCore::QNodeId::createId();

        Qt3DRender::Render::Scene *scene = nodeManagers.sceneManager()->getOrCreateResource(sceneId);

        // THEN

        QVERIFY(scene != nullptr);

        // WHEN

        Qt3DRender::Render::LoadSceneJob loadSceneJob(url, sceneId);

        loadSceneJob.setNodeManagers(&nodeManagers);

        loadSceneJob.setSceneImporters(QList<Qt3DRender::QSceneImporter *>() << &fakeImporter);

        loadSceneJob.run();

        // THEN

        // THEN

        Qt3DRender::Render::LoadSceneJobPrivate *dJob = static_cast<decltype(dJob)>(Qt3DCore::QAspectJobPrivate::get(&loadSceneJob));

        QCOMPARE(dJob->m_status, Qt3DRender::QSceneLoader::Error);

        QVERIFY(dJob->m_sceneSubtree == nullptr);

};

QTEST_MAIN(tst_LoadSceneJob)

#include "tst_loadscenejob.moc"