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#!/usr/bin/python
'''Test cases for QTimer.singleShot'''
import unittest
from PySide.QtCore import QObject, QTimer, QCoreApplication, Signal
from helper import UsesQCoreApplication
class WatchDog(QObject):
'''Exits the QCoreApplication main loop after sometime.'''
def __init__(self, watched):
QObject.__init__(self)
self.times_called = 0
self.watched = watched
def timerEvent(self, evt):
self.times_called += 1
if self.times_called == 20:
self.watched.exit_app_cb()
class TestSingleShot(UsesQCoreApplication):
'''Test case for QTimer.singleShot'''
def setUp(self):
#Acquire resources
UsesQCoreApplication.setUp(self)
self.watchdog = WatchDog(self)
self.called = False
def tearDown(self):
#Release resources
del self.watchdog
del self.called
UsesQCoreApplication.tearDown(self)
def callback(self):
self.called = True
self.app.quit()
def testSingleShot(self):
QTimer.singleShot(100, self.callback)
self.app.exec_()
self.assert_(self.called)
class SigEmitter(QObject):
sig1 = Signal()
class TestSingleShotSignal(UsesQCoreApplication):
'''Test case for QTimer.singleShot connecting to signals'''
def setUp(self):
UsesQCoreApplication.setUp(self)
self.watchdog = WatchDog(self)
self.called = False
def tearDown(self):
del self.watchdog
del self.called
UsesQCoreApplication.tearDown(self)
def callback(self):
self.called = True
self.app.quit()
def testSingleShotSignal(self):
emitter = SigEmitter()
emitter.sig1.connect(self.callback)
QTimer.singleShot(100, emitter.sig1)
self.app.exec_()
self.assert_(self.called)
if __name__ == '__main__':
unittest.main()
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