Unit тесты в qml

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include "testclass.h"
#include <QDebug>
#include <QSettings>
#include <QQmlContext>

int main(int argc, char *argv[])
{
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;
    TestClass t;
    engine.rootContext()->setContextProperty("testclass", new TestClass());
    engine.load(QUrl(QLatin1String("qrc:/main.qml")));

    return app.exec();
}

#ifndef TESTCLASS_H
#define TESTCLASS_H

#include <QObject>


class TestClass : public QObject
{
    Q_OBJECT

public:
    TestClass();
    Q_INVOKABLE int func();
};

#endif // TESTCLASS_H

#include "testclass.h"

TestClass::TestClass()
{

}

int TestClass::func()
{
    return 100;
}

import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Button {
        anchors.fill: parent

        onClicked: {
            console.log(testclass.func())
        }
    }
}