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'''Test cases for connecting signals between threads'''
import unittest
from PySide.QtCore import QThread, QObject, SIGNAL, QCoreApplication
thread_run = False
class Source(QObject):
def __init__(self, *args):
QObject.__init__(self, *args)
def emit_sig(self):
self.emit(SIGNAL('source()'))
class Target(QObject):
def __init__(self, *args):
QObject.__init__(self, *args)
self.called = False
def myslot(self):
self.called = True
class ThreadJustConnects(QThread):
def __init__(self, source, *args):
QThread.__init__(self, *args)
self.source = source
self.target = Target()
def run(self):
global thread_run
thread_run = True
QObject.connect(self.source, SIGNAL('source()'), self.target.myslot)
while not self.target.called:
pass
class BasicConnection(unittest.TestCase):
def testEmitOutsideThread(self):
global thread_run
app = QCoreApplication([])
source = Source()
thread = ThreadJustConnects(source)
QObject.connect(thread, SIGNAL('finished()'), lambda: app.exit(0))
thread.start()
while not thread_run:
pass
source.emit_sig()
app.exec_()
thread.wait()
self.assert_(thread.target.called)
if __name__ == '__main__':
unittest.main()
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