Qt Quick Auto Test (C++)

CMakeLists.txt

cmake_minimum_required(VERSION 3.5)

project(tst_untitled LANGUAGES CXX)

enable_testing()

find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Gui Test Quick)
find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Gui Test Quick)

set(CMAKE_INCLUDE_CURRENT_DIR ON)

set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

add_executable(tst_untitled tst_untitled.cpp)
add_test(NAME tst_untitled COMMAND tst_untitled)

target_link_libraries(tst_untitled
    PRIVATE
        Qt${QT_VERSION_MAJOR}::Gui
        Qt${QT_VERSION_MAJOR}::Test
        Qt${QT_VERSION_MAJOR}::Quick
)

tst_untitled.cpp

#include <QtTest>
#include <QQmlComponent>
#include <QQmlApplicationEngine>
#include <QQuickWindow>

class tst_untitled : public QObject
{
    Q_OBJECT

public:
    tst_untitled();

private Q_SLOTS:
    void testCase1();
};

tst_untitled::tst_untitled()
{
}

void tst_untitled::testCase1()
{
    QQmlApplicationEngine engine;

    QQmlComponent component(&engine);
    const QString testFilePath = QFINDTESTDATA("data/window.qml");
    component.loadUrl(QUrl::fromLocalFile(testFilePath));
    QVERIFY2(component.isReady(), qPrintable(QString::fromUtf8(
        "Failed to load component at %1:\n%2").arg(testFilePath, component.errorString())));

    const QVariantMap initialProperties;// = {{ "foo", "bar" }, { "blah", "blah" }}
    QScopedPointer<QObject> rootObject(component.createWithInitialProperties(initialProperties));
    QVERIFY2(rootObject, qPrintable(QString::fromUtf8("Failed to create window: %1").arg(component.errorString())));

    auto window = qobject_cast<QQuickWindow*>(rootObject.data());
    QVERIFY2(window, "Root object must be a QQuickWindow subclass");

    // Add stuff here
}

QTEST_MAIN(tst_untitled)

#include "tst_untitled.moc"

window.qml

import QtQuick 2.15
import QtQuick.Window 2.15

Window {
    width: 640
    height: 480
    visible: true
    title: "tst_untitled"
}