openlp/tests/functional/openlp_plugins/images/test_imagetab.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) 2008-2017 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 #
###############################################################################
"""
This module contains tests for the lib submodule of the Images plugin.
"""
from unittest import TestCase
from unittest.mock import MagicMock, patch
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from PyQt5 import QtWidgets
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from openlp.core.common import Registry, Settings
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from openlp.plugins.images.lib.db import ImageFilenames, ImageGroups
from openlp.plugins.images.lib.mediaitem import ImageMediaItem
from openlp.plugins.images.lib import ImageTab
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from tests.helpers.testmixin import TestMixin
__default_settings__ = {
'images/db type': 'sqlite',
'images/background color': '#000000',
}
class TestImageMediaItem(TestCase, TestMixin):
"""
This is a test case to test various methods in the ImageTab.
"""
def setUp(self):
"""
Create the UI
"""
Registry.create()
Registry().register('settings_form', MagicMock())
self.setup_application()
self.build_settings()
Settings().extend_default_settings(__default_settings__)
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self.parent = QtWidgets.QMainWindow()
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self.form = ImageTab(self.parent, 'Images', None, None)
self.form.settings_form.register_post_process = MagicMock()
def tearDown(self):
"""
Delete all the C++ objects at the end so that we don't have a segfault
"""
del self.parent
del self.form
self.destroy_settings()
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def test_save_tab_nochange(self):
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"""
Test no changes does not trigger post processing
"""
# GIVEN: No changes on the form.
self.initial_color = '#999999'
# WHEN: the save is invoked
self.form.save()
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# THEN: the post process should not be requested
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self.assertEqual(0, self.form.settings_form.register_post_process.call_count,
'Image Post processing should not have been requested')
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def test_save_tab_change(self):
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"""
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Test a color change is applied and triggers post processing.
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"""
# GIVEN: Apply a change to the form.
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self.form.on_background_color_changed('#999999')
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# WHEN: the save is invoked
self.form.save()
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# THEN: the post process should be requested
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self.assertEqual(1, self.form.settings_form.register_post_process.call_count,
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'Image Post processing should have been requested')
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# THEN: The color should be set
self.assertEqual(self.form.background_color, '#999999', 'The updated color should have been saved')