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#############################################################################
##
## Copyright (C) 2020 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.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Helper classes and functions'''
import unittest
from PySide2.QtWidgets import QApplication
class UsesQApplication(unittest.TestCase):
'''Helper class to provide QApplication instances'''
qapplication = True
def setUp(self):
'''Creates the QApplication instance'''
# Simple way of making instance a singleton
super(UsesQApplication, self).setUp()
self.app = QApplication.instance() or QApplication([])
def tearDown(self):
'''Deletes the reference owned by self'''
del self.app
super(UsesQApplication, self).tearDown()
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