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#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of Qt for Python.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Test cases for overriding inherited protected virtual methods'''
import os
import sys
import unittest
sys.path.append(os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "util"))
from PySide2.QtCore import QTimerEvent
from PySide2.QtWidgets import QApplication, QSpinBox
from helper.usesqapplication import UsesQApplication
class MySpinButton(QSpinBox):
'''Simple example class of overriding QObject.timerEvent'''
def __init__(self, max_runs=5, app=None):
#Creates a new spinbox that will run <max_runs> and quit <app>
super(MySpinButton, self).__init__()
if app is None:
app = QApplication([])
self.app = app
self.max_runs = max_runs
self.runs = 0
def timerEvent(self, event):
#Timer event method
self.runs += 1
self.setValue(self.runs)
if self.runs == self.max_runs:
self.app.quit()
if not isinstance(event, QTimerEvent):
raise TypeError('Invalid event type. Must be TimerEvent')
class TimerEventTest(UsesQApplication):
'''Test case for running QObject.timerEvent from inherited class'''
qapplication = True
def setUp(self):
#Acquire resources
super(TimerEventTest, self).setUp()
self.widget = MySpinButton(app=self.app)
def tearDown(self):
#Release resources
del self.widget
super(TimerEventTest, self).tearDown()
def testMethod(self):
#QWidget.timerEvent overrinding (protected inherited)
timer_id = self.widget.startTimer(0)
self.app.exec_()
self.widget.killTimer(timer_id)
self.assertTrue(self.widget.runs >= self.widget.max_runs)
if __name__ == '__main__':
unittest.main()
#app = QApplication([])
#widget = MySpinButton(app=app)
#widget.startTimer(500)
#widget.show()
#app.exec_()
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