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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test cases for connecting signals between threads'''
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from PySide6.QtCore import QThread, QTimer, QObject, Signal, Slot, QCoreApplication
class Source(QObject):
source = Signal()
def __init__(self, *args):
super().__init__(*args)
@Slot()
def emit_sig(self):
self.source.emit()
class Target(QObject):
def __init__(self, *args):
super().__init__(*args)
self.called = False
@Slot()
def myslot(self):
self.called = True
class ThreadJustConnects(QThread):
def __init__(self, source, *args):
super().__init__(*args)
self.source = source
self.target = Target()
def run(self):
self.source.source.connect(self.target.myslot)
self.source.source.connect(self.quit)
self.exec()
class BasicConnection(unittest.TestCase):
def testEmitOutsideThread(self):
global thread_run
app = QCoreApplication([])
source = Source()
thread = ThreadJustConnects(source)
thread.finished.connect(QCoreApplication.quit)
thread.start()
QTimer.singleShot(50, source.emit_sig)
app.exec()
thread.wait()
self.assertTrue(thread.target.called)
if __name__ == '__main__':
unittest.main()
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