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# -*- 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 case for signal to signal connections.'''
import unittest
from PySide2.QtCore import *
def cute_slot():
pass
class TestSignal2SignalConnect(unittest.TestCase):
'''Test case for signal to signal connections'''
def setUp(self):
#Set up the basic resources needed
self.sender = QObject()
self.forwarder = QObject()
self.args = None
self.called = False
def tearDown(self):
#Delete used resources
try:
del self.sender
except:
pass
try:
del self.forwarder
except:
pass
del self.args
def callback_noargs(self):
#Default callback without arguments
self.called = True
def callback_args(self, *args):
#Default callback with arguments
if args == self.args:
self.called = True
else:
raise TypeError("Invalid arguments")
def callback_qobject(self, *args):
#Default callback for QObject as argument
if args[0].objectName() == self.args[0]:
self.called = True
else:
raise TypeError("Invalid arguments")
def testSignalWithoutArguments(self):
QObject.connect(self.sender, SIGNAL("destroyed()"),
self.forwarder, SIGNAL("forward()"))
QObject.connect(self.forwarder, SIGNAL("forward()"),
self.callback_noargs)
del self.sender
self.assertTrue(self.called)
def testSignalWithOnePrimitiveTypeArgument(self):
QObject.connect(self.sender, SIGNAL("mysignal(int)"),
self.forwarder, SIGNAL("mysignal(int)"))
QObject.connect(self.forwarder, SIGNAL("mysignal(int)"),
self.callback_args)
self.args = (19,)
self.sender.emit(SIGNAL('mysignal(int)'), *self.args)
self.assertTrue(self.called)
def testSignalWithMultiplePrimitiveTypeArguments(self):
QObject.connect(self.sender, SIGNAL("mysignal(int,int)"),
self.forwarder, SIGNAL("mysignal(int,int)"))
QObject.connect(self.forwarder, SIGNAL("mysignal(int,int)"),
self.callback_args)
self.args = (23, 29)
self.sender.emit(SIGNAL('mysignal(int,int)'), *self.args)
self.assertTrue(self.called)
def testSignalWithOneStringArgument(self):
QObject.connect(self.sender, SIGNAL("mysignal(QString)"),
self.forwarder, SIGNAL("mysignal(QString)"))
QObject.connect(self.forwarder, SIGNAL("mysignal(QString)"),
self.callback_args)
self.args = ('myargument',)
self.sender.emit(SIGNAL('mysignal(QString)'), *self.args)
self.assertTrue(self.called)
def testSignalWithOneQObjectArgument(self):
QObject.connect(self.sender, SIGNAL('destroyed(QObject*)'),
self.forwarder, SIGNAL('forward(QObject*)'))
QObject.connect(self.forwarder, SIGNAL('forward(QObject*)'),
self.callback_qobject)
obj_name = 'sender'
self.sender.setObjectName(obj_name)
self.args = (obj_name, )
del self.sender
self.assertTrue(self.called)
if __name__ == '__main__':
unittest.main()
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