diff options
Diffstat (limited to 'sources/pyside6/tests/signals/signal_across_threads.py')
-rw-r--r-- | sources/pyside6/tests/signals/signal_across_threads.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/signal_across_threads.py b/sources/pyside6/tests/signals/signal_across_threads.py new file mode 100644 index 000000000..91b1ca986 --- /dev/null +++ b/sources/pyside6/tests/signals/signal_across_threads.py @@ -0,0 +1,82 @@ +# 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.usesqapplication import UsesQApplication + + +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(UsesQApplication): + def setUp(self): + UsesQApplication.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): + UsesQApplication.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() |