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import os
import sys
import unittest

from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)

from helper.helper import quickview_errorstring
from helper.timedqapplication import TimedQApplication

from PySide6.QtQuick import QQuickView
from PySide6.QtCore import QObject, Signal, Slot, QUrl, QTimer, Property


class Obj(QObject):
    def __init__(self):
        super().__init__()
        self.value = 0

    sumResult = Signal(int, name="sumResult", arguments=['sum'])

    @Slot(int, int)
    def sum(self, arg1, arg2):
        self.sumResult.emit(arg1 + arg2)

    @Slot(str)
    def sendValue(self, s):
        self.value = int(s)


class TestConnectionWithQml(TimedQApplication):

    def testSignalArguments(self):
        view = QQuickView()
        obj = Obj()

        context = view.rootContext()
        context.setContextProperty("o", obj)
        file = Path(__file__).resolve().parent / 'signal_arguments.qml'
        self.assertTrue(file.is_file())
        view.setSource(QUrl.fromLocalFile(os.fspath(file)))
        root = view.rootObject()
        self.assertTrue(root, quickview_errorstring(view))
        button = root.findChild(QObject, "button")
        self.assertTrue(button)
        view.show()
        button.clicked.emit()
        self.assertEqual(obj.value, 42)


if __name__ == '__main__':
    unittest.main()
