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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
''' Forced disconnection: Delete one end of the signal connection'''
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, SLOT
class Dummy(QObject):
def dispatch(self):
self.emit(SIGNAL('foo()'))
class PythonSignalRefCount(unittest.TestCase):
def setUp(self):
self.emitter = Dummy()
def tearDown(self):
self.emitter
@unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
def testRefCount(self):
def cb(*args):
pass
self.assertEqual(sys.getrefcount(cb), 2)
QObject.connect(self.emitter, SIGNAL('foo()'), cb)
self.assertEqual(sys.getrefcount(cb), 3)
QObject.disconnect(self.emitter, SIGNAL('foo()'), cb)
self.assertEqual(sys.getrefcount(cb), 2)
class CppSignalRefCount(unittest.TestCase):
def setUp(self):
self.emitter = QObject()
def tearDown(self):
self.emitter
@unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
def testRefCount(self):
def cb(*args):
pass
self.assertEqual(sys.getrefcount(cb), 2)
self.emitter.destroyed.connect(cb)
self.assertEqual(sys.getrefcount(cb), 3)
QObject.disconnect(self.emitter, SIGNAL('destroyed()'), cb)
self.assertEqual(sys.getrefcount(cb), 2)
if __name__ == '__main__':
unittest.main()
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