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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 case for PYSIDE-1354: Ensure that slots are invoked from the receiver's
thread context when using derived classes (and thus, a global receiver).'''
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 QObject, QThread, QTimer, Slot
from helper.usesqcoreapplication import UsesQCoreApplication
class ReceiverBase(QObject):
def __init__(self, parent=None):
super().__init__(parent)
self.senderThread = None
@Slot()
def slot_function(self):
self.senderThread = QThread.currentThread()
class Receiver(ReceiverBase):
pass
class TestThread(QThread):
def __init__(self, parent=None):
super().__init__(parent)
def run(self):
pass
class SignalAcrossThreads(UsesQCoreApplication):
def setUp(self):
UsesQCoreApplication.setUp(self)
self._timer_tick = 0
self._timer = QTimer()
self._timer.setInterval(20)
self._timer.timeout.connect(self._control_test)
self._worker_thread = TestThread()
def tearDown(self):
UsesQCoreApplication.tearDown(self)
@Slot()
def _control_test(self):
if self._timer_tick == 0:
self._worker_thread.start()
elif self._timer_tick == 1:
self._worker_thread.wait()
else:
self._timer.stop()
self.app.quit()
self._timer_tick += 1
def test(self):
worker_thread_receiver = Receiver()
worker_thread_receiver.moveToThread(self._worker_thread)
self._worker_thread.started.connect(worker_thread_receiver.slot_function)
main_thread = QThread.currentThread()
main_thread_receiver = Receiver()
self._worker_thread.started.connect(main_thread_receiver.slot_function)
self._timer.start()
self.app.exec()
self.assertEqual(worker_thread_receiver.senderThread, self._worker_thread)
self.assertEqual(main_thread_receiver.senderThread, main_thread)
if __name__ == '__main__':
unittest.main()
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