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# -*- coding: utf-8 -*-
''' Test case for signal to signal connections.'''
import unittest
from PySide.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.assert_(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.assert_(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.assert_(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.assert_(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.assert_(self.called)
if __name__ == '__main__':
unittest.main()
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