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#!/usr/bin/python
# -*- coding: utf-8 -*-
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of PySide2.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Test cases for QObject.sender()'''
import unittest
from PySide2.QtCore import *
from helper import UsesQCoreApplication
class ExtQTimer(QTimer):
def __init__(self):
QTimer.__init__(self)
class Receiver(QObject):
def __init__(self):
QObject.__init__(self)
self.the_sender = None
def callback(self):
self.the_sender = self.sender()
if QCoreApplication.instance():
QCoreApplication.instance().exit()
class ObjectSenderTest(unittest.TestCase):
'''Test case for QObject.sender() method.'''
def testSenderPythonSignal(self):
sender = QObject()
recv = Receiver()
QObject.connect(sender, SIGNAL('foo()'), recv.callback)
sender.emit(SIGNAL('foo()'))
self.assertEqual(sender, recv.the_sender)
class ObjectSenderCheckOnReceiverTest(unittest.TestCase):
'''Test case for QObject.sender() method, this one tests the equality on the Receiver object.'''
def testSenderPythonSignal(self):
sender = QObject()
recv = Receiver()
QObject.connect(sender, SIGNAL('foo()'), recv.callback)
sender.emit(SIGNAL('foo()'))
self.assertEqual(sender, recv.the_sender)
class ObjectSenderWithQAppTest(UsesQCoreApplication):
'''Test case for QObject.sender() method with QApplication.'''
def testSenderCppSignal(self):
sender = QTimer()
sender.setObjectName('foo')
recv = Receiver()
QObject.connect(sender, SIGNAL('timeout()'), recv.callback)
sender.start(10)
self.app.exec_()
self.assertEqual(sender, recv.the_sender)
def testSenderCppSignalSingleShotTimer(self):
recv = Receiver()
QTimer.singleShot(10, recv.callback)
self.app.exec_()
self.assertTrue(isinstance(recv.the_sender, QObject))
def testSenderCppSignalWithPythonExtendedClass(self):
sender = ExtQTimer()
recv = Receiver()
QObject.connect(sender, SIGNAL('timeout()'), recv.callback)
sender.start(10)
self.app.exec_()
self.assertEqual(sender, recv.the_sender)
class ObjectSenderWithQAppCheckOnReceiverTest(UsesQCoreApplication):
'''Test case for QObject.sender() method with QApplication.'''
def testSenderCppSignal(self):
sender = QTimer()
sender.setObjectName('foo')
recv = Receiver()
QObject.connect(sender, SIGNAL('timeout()'), recv.callback)
sender.start(10)
self.app.exec_()
self.assertEqual(sender, recv.the_sender)
def testSenderCppSignalWithPythonExtendedClass(self):
sender = ExtQTimer()
recv = Receiver()
QObject.connect(sender, SIGNAL('timeout()'), recv.callback)
sender.start(10)
self.app.exec_()
self.assertEqual(sender, recv.the_sender)
if __name__ == '__main__':
unittest.main()
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