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#!/usr/bin/python
# 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 gc
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(True)
from testbinding import TestObject
from PySide6.QtCore import QObject, SIGNAL
'''Tests the behaviour of signals with default values when emitted from Python.'''
class SignalEmissionFromPython(unittest.TestCase):
def setUp(self):
self.obj1 = TestObject(0)
self.obj2 = TestObject(0)
self.one_called = 0
self.two_called = 0
def tearDown(self):
del self.obj1
del self.obj2
del self.one_called
del self.two_called
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
def testConnectNewStyleEmitVoidSignal(self):
def callbackOne():
self.one_called += 1
self.obj2.signalWithDefaultValue.emit()
def callbackTwo():
self.two_called += 1
self.obj1.signalWithDefaultValue.connect(callbackOne)
self.obj2.signalWithDefaultValue.connect(callbackTwo)
self.obj1.emitSignalWithDefaultValue_void()
self.obj2.emitSignalWithDefaultValue_void()
self.assertEqual(self.one_called, 1)
self.assertEqual(self.two_called, 2)
def testConnectOldStyleEmitVoidSignal(self):
def callbackOne():
self.one_called += 1
self.obj2.signalWithDefaultValue.emit()
def callbackTwo():
self.two_called += 1
self.obj1.signalWithDefaultValue.connect(callbackOne)
self.obj2.signalWithDefaultValue.connect(callbackTwo)
self.obj1.emitSignalWithDefaultValue_void()
self.obj2.emitSignalWithDefaultValue_void()
self.assertEqual(self.one_called, 1)
self.assertEqual(self.two_called, 2)
def testConnectNewStyleEmitBoolSignal(self):
def callbackOne():
self.one_called += 1
self.obj2.signalWithDefaultValue[bool].emit(True)
def callbackTwo():
self.two_called += 1
self.obj1.signalWithDefaultValue.connect(callbackOne)
self.obj2.signalWithDefaultValue.connect(callbackTwo)
self.obj1.emitSignalWithDefaultValue_void()
self.obj2.emitSignalWithDefaultValue_void()
self.assertEqual(self.one_called, 1)
self.assertEqual(self.two_called, 2)
def testConnectOldStyleEmitBoolSignal(self):
def callbackOne():
self.one_called += 1
self.obj2.signalWithDefaultValue[bool].emit(True)
def callbackTwo():
self.two_called += 1
self.obj1.signalWithDefaultValue.connect(callbackOne)
self.obj2.signalWithDefaultValue.connect(callbackTwo)
self.obj1.emitSignalWithDefaultValue_void()
self.obj2.emitSignalWithDefaultValue_void()
self.assertEqual(self.one_called, 1)
self.assertEqual(self.two_called, 2)
if __name__ == '__main__':
unittest.main()
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