openlp/tests/functional/openlp_plugins/presentations/test_pptviewcontroller.py
Philip Ridout 7f98003d54 test fixes
2017-09-17 20:43:15 +01:00

240 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 #
###############################################################################
"""
This module contains tests for the pptviewcontroller module of the Presentations plugin.
"""
import shutil
from tempfile import mkdtemp
from unittest import TestCase
from unittest.mock import MagicMock, patch
from openlp.plugins.presentations.lib.pptviewcontroller import PptviewDocument, PptviewController
from openlp.core.common import is_win
from openlp.core.common.path import Path
from tests.helpers.testmixin import TestMixin
from tests.utils.constants import TEST_RESOURCES_PATH
if is_win():
from ctypes import cdll
class TestPptviewController(TestCase, TestMixin):
"""
Test the PptviewController Class
"""
def setUp(self):
"""
Set up the patches and mocks need for all tests.
"""
self.setup_application()
self.build_settings()
self.mock_plugin = MagicMock()
self.temp_folder = mkdtemp()
self.mock_plugin.settings_section = self.temp_folder
def tearDown(self):
"""
Stop the patches
"""
self.destroy_settings()
shutil.rmtree(self.temp_folder)
def test_constructor(self):
"""
Test the Constructor from the PptViewController
"""
# GIVEN: No presentation controller
controller = None
# WHEN: The presentation controller object is created
controller = PptviewController(plugin=self.mock_plugin)
# THEN: The name of the presentation controller should be correct
self.assertEqual('Powerpoint Viewer', controller.name,
'The name of the presentation controller should be correct')
def test_check_available(self):
"""
Test check_available / check_installed
"""
# GIVEN: A mocked dll loader and a controller
with patch('ctypes.cdll.LoadLibrary') as mocked_load_library:
mocked_process = MagicMock()
mocked_process.CheckInstalled.return_value = True
mocked_load_library.return_value = mocked_process
controller = PptviewController(plugin=self.mock_plugin)
# WHEN: check_available is called
available = controller.check_available()
# THEN: On windows it should return True, on other platforms False
if is_win():
self.assertTrue(available, 'check_available should return True on windows.')
else:
self.assertFalse(available, 'check_available should return False when not on windows.')
class TestPptviewDocument(TestCase):
"""
Test the PptviewDocument Class
"""
def setUp(self):
"""
Set up the patches and mocks need for all tests.
"""
self.os_isdir_patcher = patch('openlp.plugins.presentations.lib.pptviewcontroller.os.path.isdir')
self.pptview_document_create_thumbnails_patcher = patch(
'openlp.plugins.presentations.lib.pptviewcontroller.PptviewDocument.create_thumbnails')
self.pptview_document_stop_presentation_patcher = patch(
'openlp.plugins.presentations.lib.pptviewcontroller.PptviewDocument.stop_presentation')
self.presentation_document_get_temp_folder_patcher = patch(
'openlp.plugins.presentations.lib.pptviewcontroller.PresentationDocument.get_temp_folder')
self.presentation_document_setup_patcher = patch(
'openlp.plugins.presentations.lib.pptviewcontroller.PresentationDocument._setup')
self.screen_list_patcher = patch('openlp.plugins.presentations.lib.pptviewcontroller.ScreenList')
self.rect_patcher = MagicMock()
self.mock_os_isdir = self.os_isdir_patcher.start()
self.mock_pptview_document_create_thumbnails = self.pptview_document_create_thumbnails_patcher.start()
self.mock_pptview_document_stop_presentation = self.pptview_document_stop_presentation_patcher.start()
self.mock_presentation_document_get_temp_folder = self.presentation_document_get_temp_folder_patcher.start()
self.mock_presentation_document_setup = self.presentation_document_setup_patcher.start()
self.mock_rect = self.rect_patcher.start()
self.mock_screen_list = self.screen_list_patcher.start()
self.mock_controller = MagicMock()
self.mock_presentation = MagicMock()
self.temp_folder = mkdtemp()
self.mock_presentation_document_get_temp_folder.return_value = self.temp_folder
def tearDown(self):
"""
Stop the patches
"""
self.os_isdir_patcher.stop()
self.pptview_document_create_thumbnails_patcher.stop()
self.pptview_document_stop_presentation_patcher.stop()
self.presentation_document_get_temp_folder_patcher.stop()
self.presentation_document_setup_patcher.stop()
self.rect_patcher.stop()
self.screen_list_patcher.stop()
shutil.rmtree(self.temp_folder)
def test_load_presentation_succesfull(self):
"""
Test the PptviewDocument.load_presentation() method when the PPT is successfully opened
"""
# GIVEN: A reset mocked_os
self.mock_os_isdir.reset()
# WHEN: The temporary directory exists and OpenPPT returns successfully (not -1)
self.mock_os_isdir.return_value = True
self.mock_controller.process.OpenPPT.return_value = 0
instance = PptviewDocument(self.mock_controller, self.mock_presentation)
instance.file_path = 'test\path.ppt'
if is_win():
result = instance.load_presentation()
# THEN: PptviewDocument.load_presentation should return True
self.assertTrue(result)
def test_load_presentation_un_succesfull(self):
"""
Test the PptviewDocument.load_presentation() method when the temporary directory does not exist and the PPT is
not successfully opened
"""
# GIVEN: A reset mock_os_isdir
self.mock_os_isdir.reset()
# WHEN: The temporary directory does not exist and OpenPPT returns unsuccessfully (-1)
with patch('openlp.plugins.presentations.lib.pptviewcontroller.os.makedirs') as mock_makedirs:
self.mock_os_isdir.return_value = False
self.mock_controller.process.OpenPPT.return_value = -1
instance = PptviewDocument(self.mock_controller, self.mock_presentation)
instance.file_path = 'test\path.ppt'
if is_win():
result = instance.load_presentation()
# THEN: The temp folder should be created and PptviewDocument.load_presentation should return False
mock_makedirs.assert_called_once_with(self.temp_folder)
self.assertFalse(result)
def test_create_titles_and_notes(self):
"""
Test PowerpointController.create_titles_and_notes
"""
# GIVEN: mocked PresentationController.save_titles_and_notes and a pptx file
doc = PptviewDocument(self.mock_controller, self.mock_presentation)
doc.file_path = Path(TEST_RESOURCES_PATH, 'presentations', 'test.pptx')
doc.save_titles_and_notes = MagicMock()
# WHEN reading the titles and notes
doc.create_titles_and_notes()
# THEN save_titles_and_notes should have been called once with empty arrays
doc.save_titles_and_notes.assert_called_once_with(['Test 1\n', '\n', 'Test 2\n', 'Test 4\n', 'Test 3\n'],
['Notes for slide 1', 'Inserted', 'Notes for slide 2',
'Notes \nfor slide 4', 'Notes for slide 3'])
def test_create_titles_and_notes_nonexistent_file(self):
"""
Test PowerpointController.create_titles_and_notes with nonexistent file
"""
# GIVEN: mocked PresentationController.save_titles_and_notes and an nonexistent file
with patch('builtins.open') as mocked_open, \
patch.object(Path, 'exists') as mocked_path_exists, \
patch('openlp.plugins.presentations.lib.presentationcontroller.check_directory_exists') as \
mocked_dir_exists:
mocked_path_exists.return_value = False
mocked_dir_exists.return_value = False
doc = PptviewDocument(self.mock_controller, self.mock_presentation)
doc.file_path = Path('Idontexist.pptx')
doc.save_titles_and_notes = MagicMock()
# WHEN: Reading the titles and notes
doc.create_titles_and_notes()
# THEN: File existens should have been checked, and not have been opened.
doc.save_titles_and_notes.assert_called_once_with(None, None)
mocked_path_exists.assert_called_with()
self.assertEqual(mocked_open.call_count, 0, 'There should be no calls to open a file.')
def test_create_titles_and_notes_invalid_file(self):
"""
Test PowerpointController.create_titles_and_notes with invalid file
"""
# GIVEN: mocked PresentationController.save_titles_and_notes and an invalid file
with patch('builtins.open') as mocked_open, \
patch('openlp.plugins.presentations.lib.pptviewcontroller.zipfile.is_zipfile') as mocked_is_zf:
mocked_is_zf.return_value = False
mocked_open.filesize = 10
doc = PptviewDocument(self.mock_controller, self.mock_presentation)
doc.file_path = Path(TEST_RESOURCES_PATH, 'presentations', 'test.ppt')
doc.save_titles_and_notes = MagicMock()
# WHEN: reading the titles and notes
doc.create_titles_and_notes()
# THEN:
doc.save_titles_and_notes.assert_called_once_with(None, None)
self.assertEqual(mocked_is_zf.call_count, 1, 'is_zipfile should have been called once')