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## This file is part of the test suite of Qt for Python.
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import unittest
from helper import adjust_filename, TimedQApplication
from PySide2.QtQuick import QQuickView
from PySide2.QtCore import QObject, Signal, Slot, QUrl, QTimer, Property

class Obj(QObject):
    def __init__(self):
        QObject.__init__(self)
        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)
        view.setSource(QUrl.fromLocalFile(adjust_filename('signal_arguments.qml', __file__)))
        root = view.rootObject()
        self.assertTrue(root)
        button = root.findChild(QObject, "button")
        view.show()
        button.clicked.emit()
        self.assertEqual(obj.value, 42)

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