openlp/tests/helpers/testmixin.py

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# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2016 OpenLP Developers #
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# --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the Free #
# Software Foundation; version 2 of the License. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
"""
Mixin class with helpers
"""
import os
from tempfile import mkstemp
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from PyQt5 import QtCore, QtWidgets
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from openlp.core.common import Settings
class TestMixin(object):
"""
The :class:`TestMixin` class provides test with extra functionality
"""
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def setup_application(self):
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"""
Build or reuse the Application object
"""
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old_app_instance = QtCore.QCoreApplication.instance()
if old_app_instance is None:
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self.app = QtWidgets.QApplication([])
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else:
self.app = old_app_instance
def build_settings(self):
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"""
Build the settings Object and initialise it
"""
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Settings.setDefaultFormat(Settings.IniFormat)
self.fd, self.ini_file = mkstemp('.ini')
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Settings().set_filename(self.ini_file)
def destroy_settings(self):
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"""
Destroy the Settings Object
"""
os.close(self.fd)
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os.unlink(Settings().fileName())