openlp/tests/functional/openlp_core_common/test_uistrings.py

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4

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# OpenLP - Open Source Lyrics Projection                                      #
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# Copyright (c) 2008-2017 OpenLP Developers                                   #
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"""
Package to test the openlp.core.lib.uistrings package.
"""
from unittest import TestCase

from openlp.core.common import UiStrings


class TestUiStrings(TestCase):

    def test_check_same_instance(self):
        """
        Test the UiStrings class - we always should have only one instance of the UiStrings class.
        """
        # WHEN: Create two instances of the UiStrings class.
        first_instance = UiStrings()
        second_instance = UiStrings()

        # THEN: Check if the instances are the same.
        self.assertIs(first_instance, second_instance, 'Two UiStrings objects should be the same instance')