openlp/tests/helpers/testmixin.py

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# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2019 OpenLP Developers #
# ---------------------------------------------------------------------- #
# 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, either version 3 of the License, or #
# (at your option) any later version. #
# #
# 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, see <https://www.gnu.org/licenses/>. #
##########################################################################
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"""
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.settings import Settings
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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
"""
self.fd, self.ini_file = mkstemp('.ini')
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Settings.set_filename(self.ini_file)
Settings().setDefaultFormat(Settings.IniFormat)
# Needed on windows to make sure a Settings object is available during the tests
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self.setting = Settings()
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Settings().setValue('themes/global theme', 'my_theme')
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def destroy_settings(self):
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"""
Destroy the Settings Object
"""
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del self.setting
os.close(self.fd)
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os.unlink(Settings().fileName())