openlp/tests/openlp_plugins/presentations/test_presentationcontroller.py
2022-02-06 09:10:17 +00:00

262 lines
10 KiB
Python

# -*- coding: utf-8 -*-
##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2022 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/>. #
##########################################################################
"""
Functional tests to test the PresentationController and PresentationDocument
classes and related methods.
"""
import pytest
from pathlib import Path
from unittest.mock import MagicMock, call, patch
from openlp.plugins.presentations.lib.presentationcontroller import PresentationController, PresentationDocument, \
PresentationList
FOLDER_TO_PATCH = 'openlp.plugins.presentations.lib.presentationcontroller.PresentationDocument.get_thumbnail_folder'
@pytest.fixture()
def get_thumbnail_folder(settings):
gtf = patch('openlp.plugins.presentations.lib.presentationcontroller.PresentationDocument.get_thumbnail_folder',
return_value=Path())
yield gtf.start()
gtf.stop()
@pytest.fixture()
def create_paths(settings):
c_paths = patch('openlp.plugins.presentations.lib.presentationcontroller.create_paths')
yield c_paths.start()
c_paths.stop()
@pytest.fixture()
def setup(settings):
s_up = patch('openlp.plugins.presentations.lib.presentationcontroller.PresentationDocument._setup')
yield s_up.start()
s_up.stop()
@pytest.fixture()
def presentation(settings, get_thumbnail_folder):
mocked_plugin = MagicMock()
mocked_plugin.settings_section = 'presentations'
return PresentationController(mocked_plugin)
@pytest.fixture()
def document(presentation):
return PresentationDocument(presentation, Path(''))
def test_constructor(presentation):
"""
Test the Constructor
"""
# GIVEN: A mocked plugin
# WHEN: The PresentationController is created
# THEN: The name of the presentation controller should be correct
assert 'PresentationController' == presentation.name, \
'The name of the presentation controller should be correct'
def test_save_titles_and_notes(document):
"""
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')
document.save_titles_and_notes(titles, notes)
# THEN: the last call to open should have been for slideNotes2.txt
assert mocked_write_text.call_count == 3, 'There should be exactly three files written'
mocked_write_text.assert_has_calls([call('uno\ndos', encoding='utf-8'), call('one', encoding='utf-8'),
call('two', encoding='utf-8')])
def test_save_titles_and_notes_with_none(document):
"""
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'
document.save_titles_and_notes(titles, notes)
# THEN: No file should have been created
assert mocked_open.call_count == 0, 'No file should be created'
def test_get_titles_and_notes(document):
"""
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 = document.get_titles_and_notes()
# THEN: it should return two items for the titles and two empty strings for the notes
assert type(result_titles) is list, 'result_titles should be of type list'
assert len(result_titles) == 2, 'There should be two items in the titles'
assert type(result_notes) is list, 'result_notes should be of type list'
assert len(result_notes) == 2, 'There should be two items in the notes'
assert mocked_read_text.call_count == 3, 'Three files should be read'
def test_get_titles_and_notes_with_file_not_found(document):
"""
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 = document.get_titles_and_notes()
# THEN: it should return two empty lists
assert isinstance(result_titles, list), 'result_titles should be of type list'
assert len(result_titles) == 0, 'there be no titles'
assert isinstance(result_notes, list), 'result_notes should be a list'
assert len(result_notes) == 0, 'but the list should be empty'
def test_get_titles_and_notes_with_file_error(document):
"""
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 = OSError()
mocked_get_thumbnail_folder.return_value = Path('test')
# WHEN: calling get_titles_and_notes
result_titles, result_notes = document.get_titles_and_notes()
# THEN: it should return two empty lists
assert type(result_titles) is list, 'result_titles should be a list'
def test_initialise_presentation_document(setup):
"""
Test the PresentationDocument __init__ method when initialising the PresentationDocument Class
"""
# GIVEN: A mocked setup method and mocked controller
# WHEN: Creating an instance of PresentationDocument
PresentationDocument(MagicMock(), 'Name')
# THEN: PresentationDocument._setup should have been called with the argument 'Name'
setup.assert_called_once_with('Name')
def test_presentation_document_setup(create_paths, get_thumbnail_folder):
"""
Test the PresentationDocument _setup method when initialising the PresentationDocument Class
"""
# GIVEN: A mocked controller, patched create_paths and get_thumbnail_folder methods
get_thumbnail_folder.return_value = Path('returned/path/')
# WHEN: Creating an instance of PresentationDocument
PresentationDocument(MagicMock(), 'Name')
# THEN: create_paths should have been called with 'returned/path/'
create_paths.assert_called_once_with(Path('returned', 'path/'))
def test_load_presentation(get_thumbnail_folder):
"""
Test the PresentationDocument.load_presentation method.
"""
# GIVEN: An instance of PresentationDocument
instance = PresentationDocument(MagicMock(), 'Name')
# WHEN: Calling load_presentation()
result = instance.load_presentation()
# THEN: load_presentation should return false
assert result is False, "PresentationDocument.load_presentation should return false."
def test_presentation_list_is_singleton():
"""
Test PresentationList is a singleton class
"""
# GIVEN: a PresentationList
presentation_list = PresentationList()
# WHEN: I try to create another instance
presentation_list_2 = PresentationList()
# THEN: I get the same instance returned
assert presentation_list_2 is presentation_list
def test_presentation_list_add_and_retrieve(document):
"""
Test adding a presentation document and later retrieving it
"""
# GIVEN: a fixture with a mocked document which is added to the PresentationList
PresentationList().add(document, "unique id")
# WHEN: I retrieve the presentation document
retrieved_presentation = PresentationList().get_presentation_by_id("unique id")
# THEN: I get the same instance returned
retrieved_presentation is document
def test_presentation_list_remove(document):
"""
Test removing a presentation document from the list
"""
# GIVEN: a fixture with a mocked document which is added to the PresentationList
PresentationList().add(document, "unique id")
# WHEN: I remove the presentation document
PresentationList().remove("unique id")
# THEN: That document shouldn't be in the list
PresentationList().get_presentation_by_id("unique id") is None