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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 helper.usesqapplication import UsesQApplication
from PySide6.QtCore import QFile, QObject, QTimer, Signal, SignalInstance, Slot
from PySide6.QtWidgets import QSlider
class C(QObject):
custom_signal = Signal()
class D(C):
pass
class TestSignalInstance(unittest.TestCase):
def test_signal_instances_are_equal(self):
o = QTimer()
self.assertTrue(o.timeout == o.timeout)
def test_inherited_signal_instances_are_equal(self):
o = QFile()
self.assertTrue(o.readyRead == o.readyRead)
def test_custom_signal_instances_are_equal(self):
o = C()
self.assertTrue(o.custom_signal == o.custom_signal)
def test_custom_inherited_signal_instances_are_equal(self):
o = D()
self.assertTrue(o.custom_signal == o.custom_signal)
# additional tests of old errors from 2010 or so
def test_uninitialized_SignalInstance(self):
# This will no longer crash
print(SignalInstance())
with self.assertRaises(RuntimeError):
SignalInstance().connect(lambda: None)
with self.assertRaises(RuntimeError):
SignalInstance().disconnect()
with self.assertRaises(RuntimeError):
SignalInstance().emit()
class MyWidget(QSlider):
valueChanged = Signal(tuple)
def __init__(self):
super().__init__()
self.valueChanged.connect(self._on_change)
def setValue(self, value):
self.valueChanged.emit(value)
@Slot()
def _on_change(self, new_value):
print("new_value:", new_value)
global result
result = new_value
class TestRightOrder(UsesQApplication):
def test_rightOrder(self):
wdg = MyWidget()
# PYSIDE-1751: Fixes the wrong behavior we got on >=6.2
# PySide <=6.1.3 prints "new_value: (30, 40)"
# PySide >=6.2 prints "new_value: 0"
wdg.setValue((30, 40))
self.assertEqual(result, (30, 40))
if __name__ == '__main__':
unittest.main()
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