openlp/tests/functional/openlp_plugins/songusage/test_songusage.py

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# -*- coding: utf-8 -*-
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##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2020 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, 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/>. #
##########################################################################
"""
This module contains tests for the Songusage plugin.
"""
from unittest import TestCase
from unittest.mock import MagicMock, patch
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from openlp.core.common.registry import Registry
from openlp.plugins.songusage.lib import upgrade
from openlp.plugins.songusage.lib.db import init_schema
from openlp.plugins.songusage.songusageplugin import SongUsagePlugin
class TestSongUsage(TestCase):
def setUp(self):
Registry.create()
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def test_about_text(self):
"""
Test the about text of the song usage plugin
"""
# GIVEN: The SongUsagePlugin
# WHEN: Retrieving the about text
# THEN: about() should return a string object
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assert isinstance(SongUsagePlugin.about(), str)
# THEN: about() should return a non-empty string
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assert len(SongUsagePlugin.about()) != 0
assert len(SongUsagePlugin.about()) != 0
@patch('openlp.plugins.songusage.songusageplugin.Manager')
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def test_song_usage_init(self, MockedManager):
"""
Test the initialisation of the SongUsagePlugin class
"""
# GIVEN: A mocked database manager
mocked_manager = MagicMock()
MockedManager.return_value = mocked_manager
# WHEN: The SongUsagePlugin class is instantiated
song_usage = SongUsagePlugin()
# THEN: It should be initialised correctly
MockedManager.assert_called_with('songusage', init_schema, upgrade_mod=upgrade)
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assert mocked_manager == song_usage.manager
assert song_usage.song_usage_active is False
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@patch('openlp.plugins.songusage.songusageplugin.Manager')
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def test_check_pre_conditions(self, MockedManager):
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"""
Test that check_pre_condition returns true for valid manager session
"""
# GIVEN: A mocked database manager
mocked_manager = MagicMock()
mocked_manager.session = MagicMock()
MockedManager.return_value = mocked_manager
song_usage = SongUsagePlugin()
# WHEN: The calling check_pre_conditions
ret = song_usage.check_pre_conditions()
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# THEN: It should return True
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assert ret is True
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@patch('openlp.plugins.songusage.songusageplugin.Manager')
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def test_toggle_song_usage_state(self, MockedManager):
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"""
Test that toggle_song_usage_state does toggle song_usage_state
"""
# GIVEN: A SongUsagePlugin
song_usage = SongUsagePlugin()
song_usage.set_button_state = MagicMock()
song_usage.song_usage_active = True
# WHEN: calling toggle_song_usage_state
song_usage.toggle_song_usage_state()
# THEN: song_usage_state should have been toogled
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assert song_usage.song_usage_active is False