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# -*- coding: utf-8 -*-
''' Test case for QObject.receivers()'''
import unittest
from PySide.QtCore import *
def cute_slot():
pass
class TestQObjectReceivers(unittest.TestCase):
'''Test case for QObject::receivers'''
def testBasic(self):
sender = QObject()
receiver1 = QObject()
receiver2 = QObject()
self.assertEqual(sender.receivers(SIGNAL("")), 0)
sender.connect(sender, SIGNAL("destroyed()"), receiver1, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 1)
sender.connect(sender, SIGNAL("destroyed()"), receiver2, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 2)
sender.disconnect(sender, SIGNAL("destroyed()"), receiver2, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 1)
del receiver2
del receiver1
del sender
def testPySlots(self):
sender = QObject()
receiver = QObject()
sender.connect(sender, SIGNAL("destroyed()"), cute_slot)
self.assertEqual(sender.receivers(SIGNAL("destroyed( )")), 1)
sender.connect(sender, SIGNAL("destroyed()"), receiver, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("destroyed()")), 2)
del sender
del receiver
def testPySignals(self):
sender = QObject()
receiver = QObject()
sender.connect(sender, SIGNAL("some_dynamic_signal()"), cute_slot)
self.assertEqual(sender.receivers(SIGNAL("some_dynamic_signal( )")), 1)
sender.connect(sender, SIGNAL("some_dynamic_signal()"), receiver, SLOT("deleteLater()"))
self.assertEqual(sender.receivers(SIGNAL("some_dynamic_signal( )")), 2)
if __name__ == '__main__':
unittest.main()
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