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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
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.QtWidgets import QPushButton, QSpinBox
from helper.basicpyslotcase import BasicPySlotCase
from helper.usesqapplication import UsesQApplication
class QtGuiMultipleSlots(UsesQApplication):
'''Multiple connections to QtGui signals'''
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()
signal.connect(rec.cb)
rec.args = tuple(args)
emitter(*args)
for rec in receivers:
self.assertTrue(rec.called)
def testButtonClick(self):
"""Multiple connections to QPushButton.clicked()"""
sender = QPushButton('button')
receivers = [BasicPySlotCase() for x in range(30)]
self.run_many(sender.clicked, sender.click, receivers)
def testSpinBoxValueChanged(self):
"""Multiple connections to QSpinBox.valueChanged(int)"""
sender = QSpinBox()
# FIXME if number of receivers if higher than 50, segfaults
receivers = [BasicPySlotCase() for x in range(10)]
self.run_many(sender.valueChanged, sender.setValue,
receivers, (1,))
if __name__ == '__main__':
unittest.main()
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