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#!/usr/bin/python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test cases for QObject.sender()'''
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 PySide6.QtCore import QCoreApplication, QObject, QTimer, Signal
from helper.usesqapplication import UsesQApplication
class ExtQTimer(QTimer):
def __init__(self):
super().__init__()
class Sender(QObject):
foo = Signal()
class Receiver(QObject):
def __init__(self):
super().__init__()
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 = Sender()
recv = Receiver()
sender.foo.connect(recv.callback)
sender.foo.emit()
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 = Sender()
recv = Receiver()
sender.foo.connect(recv.callback)
sender.foo.emit()
self.assertEqual(sender, recv.the_sender)
class ObjectSenderWithQAppTest(UsesQApplication):
'''Test case for QObject.sender() method with QApplication.'''
def testSenderCppSignal(self):
sender = QTimer()
sender.setObjectName('foo')
recv = Receiver()
sender.timeout.connect(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 testSenderCppSignalSingleShotTimerWithContext(self):
recv = Receiver()
QTimer.singleShot(10, recv, recv.callback)
self.app.exec()
self.assertTrue(isinstance(recv.the_sender, QObject))
def testSenderCppSignalWithPythonExtendedClass(self):
sender = ExtQTimer()
recv = Receiver()
sender.timeout.connect(recv.callback)
sender.start(10)
self.app.exec()
self.assertEqual(sender, recv.the_sender)
class ObjectSenderWithQAppCheckOnReceiverTest(UsesQApplication):
'''Test case for QObject.sender() method with QApplication.'''
def testSenderCppSignal(self):
sender = QTimer()
sender.setObjectName('foo')
recv = Receiver()
sender.timeout.connect(recv.callback)
sender.start(10)
self.app.exec()
self.assertEqual(sender, recv.the_sender)
def testSenderCppSignalWithPythonExtendedClass(self):
sender = ExtQTimer()
recv = Receiver()
sender.timeout.connect(recv.callback)
sender.start(10)
self.app.exec()
self.assertEqual(sender, recv.the_sender)
if __name__ == '__main__':
unittest.main()
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