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Diffstat (limited to 'sources/pyside6/tests/signals/multiple_connections_test.py')
-rw-r--r-- | sources/pyside6/tests/signals/multiple_connections_test.py | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/multiple_connections_test.py b/sources/pyside6/tests/signals/multiple_connections_test.py new file mode 100644 index 000000000..233851797 --- /dev/null +++ b/sources/pyside6/tests/signals/multiple_connections_test.py @@ -0,0 +1,90 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 + +from functools import partial +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, Signal, QProcess + +from helper.basicpyslotcase import BasicPySlotCase +from helper.usesqapplication import UsesQApplication + + +class MultipleSignalConnections(unittest.TestCase): + '''Base class for multiple signal connection testing''' + + def run_many(self, signal, emitter, receivers, args=None): + """Utility method to connect a list of receivers to a signal. + sender - QObject that will emit the signal + signal - string with the signal signature + emitter - the callable that will trigger the signal + receivers - list of BasicPySlotCase instances + args - tuple with the arguments to be sent. + """ + + if args is None: + args = tuple() + for rec in receivers: + rec.setUp() + self.assertTrue(signal.connect(rec.cb)) + rec.args = tuple(args) + + emitter(*args) + + for rec in receivers: + self.assertTrue(rec.called) + + +class PythonMultipleSlots(UsesQApplication, MultipleSignalConnections): + '''Multiple connections to python signals''' + + def testPythonSignal(self): + """Multiple connections to a python signal (short-circuit)""" + + class Sender(QObject): + + foobar = Signal(int) + + sender = Sender() + receivers = [BasicPySlotCase() for x in range(10)] + self.run_many(sender.foobar, partial(sender.foobar.emit), + receivers, (0, )) + + +class QProcessMultipleSlots(UsesQApplication, MultipleSignalConnections): + '''Multiple connections to QProcess signals''' + + def testQProcessStarted(self): + '''Multiple connections to QProcess.started()''' + sender = QProcess() + receivers = [BasicPySlotCase() for x in range(10)] + + def start_proc(*args): + sender.start(sys.executable, ['-c', '""']) + self.assertTrue(sender.waitForStarted()) + self.assertTrue(sender.waitForFinished()) + + self.run_many(sender.started, start_proc, receivers) + + def testQProcessFinished(self): + '''Multiple connections to QProcess.finished(int)''' + sender = QProcess() + receivers = [BasicPySlotCase() for x in range(10)] + + def start_proc(*args): + sender.start(sys.executable, ['-c', '""']) + self.assertTrue(sender.waitForStarted()) + self.assertTrue(sender.waitForFinished()) + + self.run_many(sender.finished, start_proc, receivers, (0, QProcess.ExitStatus.NormalExit)) + + +if __name__ == '__main__': + unittest.main() |