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#!/usr/bin/python
# -*- coding: utf-8 -*-
'''Test cases for QObject.sender()'''
import unittest
from PySide.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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(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.assertEquals(sender, recv.the_sender)
if __name__ == '__main__':
unittest.main()
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