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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import unittest
from PySide.QtCore import QObject, QCoreApplication, QTimeLine, Signal, Slot
from helper import UsesQCoreApplication
class ExtQObject(QObject):
signalbetween = Signal('qreal')
def __init__(self):
QObject.__init__(self)
self.counter = 0
@Slot('qreal')
def foo(self, value):
self.counter += 1
class SignaltoSignalTest(UsesQCoreApplication):
def setUp(self):
UsesQCoreApplication.setUp(self)
self.receiver = ExtQObject()
self.timeline = QTimeLine(100)
def tearDown(self):
del self.timeline
del self.receiver
UsesQCoreApplication.tearDown(self)
def testSignaltoSignal(self):
self.timeline.setUpdateInterval(10)
self.timeline.finished.connect(self.app.quit)
self.timeline.valueChanged.connect(self.receiver.signalbetween)
self.receiver.signalbetween.connect(self.receiver.foo)
self.timeline.start()
self.app.exec_()
self.assertEqual(self.receiver.counter, 10)
if __name__ == '__main__':
unittest.main()
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