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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of PySide2.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
import time
import threading
import unittest
from random import random
from sample import ObjectType, Event
class Producer(ObjectType):
def __init__(self):
ObjectType.__init__(self)
self.data = None
self.read = False
def event(self, event):
self.data = random()
while not self.read:
time.sleep(0.01)
return True
class Collector(threading.Thread):
def __init__(self, objects):
threading.Thread.__init__(self)
self.max_runs = len(objects)
self.objects = objects
self.data = []
def run(self):
i = 0
while i < self.max_runs:
if self.objects[i].data is not None:
self.data.append(self.objects[i].data)
self.objects[i].read = True
i += 1
time.sleep(0.01)
class TestEventLoopWithThread(unittest.TestCase):
'''Communication between a python thread and an simple
event loop in C++'''
def testBasic(self):
'''Allowing threads and calling virtuals from C++'''
number = 10
objs = [Producer() for x in range(number)]
thread = Collector(objs)
thread.start()
evaluated = ObjectType.processEvent(objs,
Event(Event.BASIC_EVENT))
thread.join()
producer_data = [x.data for x in objs]
self.assertEqual(evaluated, number)
self.assertEqual(producer_data, thread.data)
if __name__ == '__main__':
unittest.main()
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