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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, SignalInstance
'''Tests the behaviour of homonymous signals and slots.'''
class HomonymousSignalAndMethodTest(unittest.TestCase):
def setUp(self):
self.value = 123
self.called = False
self.obj = TestObject(self.value)
def tearDown(self):
del self.value
del self.called
del self.obj
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
def testIdValueSignalEmission(self):
def callback(idValue):
self.assertEqual(idValue, self.value)
self.obj.idValue.connect(callback)
self.obj.emitIdValueSignal()
def testStaticMethodDoubleSignalEmission(self):
def callback():
self.called = True
self.obj.staticMethodDouble.connect(callback)
self.obj.emitStaticMethodDoubleSignal()
self.assertTrue(self.called)
def testSignalNotCallable(self):
self.assertRaises(TypeError, self.obj.justASignal)
def testCallingInstanceMethodWithArguments(self):
self.assertRaises(TypeError, TestObject.idValue, 1)
def testCallingInstanceMethodWithoutArguments(self):
self.assertRaises(TypeError, TestObject.idValue)
def testHomonymousSignalAndMethod(self):
self.assertEqual(self.obj.idValue(), self.value)
def testHomonymousSignalAndStaticMethod(self):
self.assertEqual(TestObject.staticMethodDouble(3), 6)
def testHomonymousSignalAndStaticMethodFromInstance(self):
self.assertEqual(self.obj.staticMethodDouble(4), 8)
# PYSIDE-1730: Homonymous Methods with multiple inheritance
class Q(QObject):
signal = Signal()
def method(self):
msg = 'Q::method'
print(msg)
return msg
class M:
def signal(self):
msg = 'M::signal'
print(msg)
return msg
def method(self):
msg = 'M::method'
print(msg)
return msg
class C(M, Q):
def __init__(self):
Q.__init__(self)
M.__init__(self)
class HomonymousMultipleInheritanceTest(unittest.TestCase):
def testHomonymousMultipleInheritance(self):
c = C()
self.assertEqual(c.method(), "M::method") # okay
self.assertEqual(c.signal(), "M::signal") # problem on PySide6 6.2.2
self.assertEqual(type(c.signal), SignalInstance)
if __name__ == '__main__':
unittest.main()
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