# -*- coding: utf-8 -*-

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## This file is part of the test suite of PySide2.
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'''Test case for signal signature received by QObject::connectNotify().'''

import unittest
from PySide2.QtCore import *
from helper import UsesQCoreApplication

class Obj(QObject):
    def __init__(self):
        QObject.__init__(self)
        self.signal = ''

    def connectNotify(self, signal):
        self.signal = signal

def callback(arg=None):
    pass

class TestConnectNotifyWithNewStyleSignals(UsesQCoreApplication):
    '''Test case for signal signature received by QObject::connectNotify().'''

    def testOldStyle(self):
        sender = Obj()
        receiver = QObject()
        sender.connect(SIGNAL('destroyed()'), receiver, SLOT('deleteLater()'))
        # When connecting to a regular slot, and not a python callback function, QObject::connect
        # will use the non-cloned method signature, so connectinc to destroyed() will actually
        # connect to destroyed(QObject*).
        self.assertEqual(sender.signal.methodSignature(), 'destroyed(QObject*)')

    def testOldStyleWithPythonCallback(self):
        sender = Obj()
        sender.connect(SIGNAL('destroyed()'), callback)
        self.assertEqual(sender.signal.methodSignature(), 'destroyed()')

    def testNewStyle(self):
        sender = Obj()

        sender.destroyed.connect(callback)
        self.assertEqual(sender.signal.methodSignature(), 'destroyed()')

        sender.destroyed[QObject].connect(callback)
        self.assertEqual(sender.signal.methodSignature(), 'destroyed(QObject*)')

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