openlp/tests/functional/openlp_plugins/presentations/test_presentationcontroller.py
Philip Ridout 0ee8ebb1c2 PEP fixes
2017-09-18 07:32:19 +01:00

230 lines
11 KiB
Python

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2017 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; 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 #
###############################################################################
"""
Functional tests to test the PresentationController and PresentationDocument
classes and related methods.
"""
from unittest import TestCase
from unittest.mock import MagicMock, call, patch
from openlp.core.common.path import Path
from openlp.plugins.presentations.lib.presentationcontroller import PresentationController, PresentationDocument
FOLDER_TO_PATCH = 'openlp.plugins.presentations.lib.presentationcontroller.PresentationDocument.get_thumbnail_folder'
class TestPresentationController(TestCase):
"""
Test the PresentationController.
"""
def setUp(self):
self.get_thumbnail_folder_patcher = \
patch('openlp.plugins.presentations.lib.presentationcontroller.PresentationDocument.get_thumbnail_folder',
return_value=Path())
self.get_thumbnail_folder_patcher.start()
mocked_plugin = MagicMock()
mocked_plugin.settings_section = 'presentations'
self.presentation = PresentationController(mocked_plugin)
self.document = PresentationDocument(self.presentation, '')
def tearDown(self):
self.get_thumbnail_folder_patcher.stop()
def test_constructor(self):
"""
Test the Constructor
"""
# GIVEN: A mocked plugin
# WHEN: The PresentationController is created
# THEN: The name of the presentation controller should be correct
self.assertEqual('PresentationController', self.presentation.name,
'The name of the presentation controller should be correct')
def test_save_titles_and_notes(self):
"""
Test PresentationDocument.save_titles_and_notes method with two valid lists
"""
# GIVEN: two lists of length==2 and a mocked open and get_thumbnail_folder
with patch('openlp.plugins.presentations.lib.presentationcontroller.Path.write_text') as mocked_write_text, \
patch(FOLDER_TO_PATCH) as mocked_get_thumbnail_folder:
titles = ['uno', 'dos']
notes = ['one', 'two']
# WHEN: calling save_titles_and_notes
mocked_get_thumbnail_folder.return_value = Path('test')
self.document.save_titles_and_notes(titles, notes)
# THEN: the last call to open should have been for slideNotes2.txt
self.assertEqual(mocked_write_text.call_count, 3, 'There should be exactly three files written')
mocked_write_text.assert_has_calls([call('uno\ndos'), call('one'), call('two')])
def test_save_titles_and_notes_with_None(self):
"""
Test PresentationDocument.save_titles_and_notes method with no data
"""
# GIVEN: None and an empty list and a mocked open and get_thumbnail_folder
with patch('builtins.open') as mocked_open, patch(FOLDER_TO_PATCH) as mocked_get_thumbnail_folder:
titles = None
notes = None
# WHEN: calling save_titles_and_notes
mocked_get_thumbnail_folder.return_value = 'test'
self.document.save_titles_and_notes(titles, notes)
# THEN: No file should have been created
self.assertEqual(mocked_open.call_count, 0, 'No file should be created')
def test_get_titles_and_notes(self):
"""
Test PresentationDocument.get_titles_and_notes method
"""
# GIVEN: A mocked open, get_thumbnail_folder and exists
with patch('openlp.plugins.presentations.lib.presentationcontroller.Path.read_text',
return_value='uno\ndos\n') as mocked_read_text, \
patch(FOLDER_TO_PATCH) as mocked_get_thumbnail_folder, \
patch('openlp.plugins.presentations.lib.presentationcontroller.Path.exists') as mocked_exists:
mocked_get_thumbnail_folder.return_value = Path('test')
mocked_exists.return_value = True
# WHEN: calling get_titles_and_notes
result_titles, result_notes = self.document.get_titles_and_notes()
# THEN: it should return two items for the titles and two empty strings for the notes
self.assertIs(type(result_titles), list, 'result_titles should be of type list')
self.assertEqual(len(result_titles), 2, 'There should be two items in the titles')
self.assertIs(type(result_notes), list, 'result_notes should be of type list')
self.assertEqual(len(result_notes), 2, 'There should be two items in the notes')
self.assertEqual(mocked_read_text.call_count, 3, 'Three files should be read')
def test_get_titles_and_notes_with_file_not_found(self):
"""
Test PresentationDocument.get_titles_and_notes method with file not found
"""
# GIVEN: A mocked open, get_thumbnail_folder and exists
with patch('openlp.plugins.presentations.lib.presentationcontroller.Path.read_text') as mocked_read_text, \
patch(FOLDER_TO_PATCH) as mocked_get_thumbnail_folder:
mocked_read_text.side_effect = FileNotFoundError()
mocked_get_thumbnail_folder.return_value = Path('test')
# WHEN: calling get_titles_and_notes
result_titles, result_notes = self.document.get_titles_and_notes()
# THEN: it should return two empty lists
self.assertIsInstance(result_titles, list, 'result_titles should be of type list')
self.assertEqual(len(result_titles), 0, 'there be no titles')
self.assertIsInstance(result_notes, list, 'result_notes should be a list')
self.assertEqual(len(result_notes), 0, 'but the list should be empty')
def test_get_titles_and_notes_with_file_error(self):
"""
Test PresentationDocument.get_titles_and_notes method with file errors
"""
# GIVEN: A mocked open, get_thumbnail_folder and exists
with patch('openlp.plugins.presentations.lib.presentationcontroller.Path.read_text') as mocked_read_text, \
patch(FOLDER_TO_PATCH) as mocked_get_thumbnail_folder:
mocked_read_text.side_effect = IOError()
mocked_get_thumbnail_folder.return_value = Path('test')
# WHEN: calling get_titles_and_notes
result_titles, result_notes = self.document.get_titles_and_notes()
# THEN: it should return two empty lists
self.assertIs(type(result_titles), list, 'result_titles should be a list')
class TestPresentationDocument(TestCase):
"""
Test the PresentationDocument Class
"""
def setUp(self):
"""
Set up the patches and mocks need for all tests.
"""
self.check_directory_exists_patcher = \
patch('openlp.plugins.presentations.lib.presentationcontroller.check_directory_exists')
self.get_thumbnail_folder_patcher = \
patch('openlp.plugins.presentations.lib.presentationcontroller.PresentationDocument.get_thumbnail_folder')
self._setup_patcher = \
patch('openlp.plugins.presentations.lib.presentationcontroller.PresentationDocument._setup')
self.mock_check_directory_exists = self.check_directory_exists_patcher.start()
self.mock_get_thumbnail_folder = self.get_thumbnail_folder_patcher.start()
self.mock_setup = self._setup_patcher.start()
self.mock_controller = MagicMock()
self.mock_get_thumbnail_folder.return_value = Path('returned/path/')
def tearDown(self):
"""
Stop the patches
"""
self.check_directory_exists_patcher.stop()
self.get_thumbnail_folder_patcher.stop()
self._setup_patcher.stop()
def test_initialise_presentation_document(self):
"""
Test the PresentationDocument __init__ method when initialising the PresentationDocument Class
"""
# GIVEN: A mocked setup method and mocked controller
self.mock_setup.reset()
# WHEN: Creating an instance of PresentationDocument
PresentationDocument(self.mock_controller, 'Name')
# THEN: PresentationDocument._setup should have been called with the argument 'Name'
self.mock_setup.assert_called_once_with('Name')
def test_presentation_document_setup(self):
"""
Test the PresentationDocument _setup method when initialising the PresentationDocument Class
"""
self._setup_patcher.stop()
# GIVEN: A mocked controller, patched check_directory_exists and get_thumbnail_folder methods
# WHEN: Creating an instance of PresentationDocument
PresentationDocument(self.mock_controller, 'Name')
# THEN: check_directory_exists should have been called with 'returned/path/'
self.mock_check_directory_exists.assert_called_once_with(Path('returned', 'path/'))
self._setup_patcher.start()
def test_load_presentation(self):
"""
Test the PresentationDocument.load_presentation method.
"""
# GIVEN: An instance of PresentationDocument
instance = PresentationDocument(self.mock_controller, 'Name')
# WHEN: Calling load_presentation()
result = instance.load_presentation()
# THEN: load_presentation should return false
self.assertFalse(result, "PresentationDocument.load_presentation should return false.")