openlp/tests/functional/openlp_plugins/presentations/test_pptviewcontroller.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) 2008-2016 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 pptviewcontroller module of the Presentations plugin.
"""
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import os
import shutil
from tempfile import mkdtemp
from unittest import TestCase
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from tests.functional import MagicMock, patch
from tests.helpers.testmixin import TestMixin
from tests.utils.constants import TEST_RESOURCES_PATH
from openlp.plugins.presentations.lib.pptviewcontroller import PptviewDocument, PptviewController
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from openlp.core.common import is_win
if is_win():
from ctypes import cdll
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class TestPptviewController(TestCase, TestMixin):
"""
Test the PptviewController Class
"""
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# TODO: Items left to test
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# PptviewController
# start_process(self)
# kill
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)
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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
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self.assertEqual('Powerpoint Viewer', controller.name,
'The name of the presentation controller should be correct')
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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
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if is_win():
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self.assertTrue(available, 'check_available should return True on windows.')
else:
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self.assertFalse(available, 'check_available should return False when not on windows.')
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class TestPptviewDocument(TestCase):
"""
Test the PptviewDocument Class
"""
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# TODO: Items left to test
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# PptviewDocument
# __init__
# create_thumbnails
# close_presentation
# is_loaded
# is_active
# blank_screen
# unblank_screen
# is_blank
# stop_presentation
# start_presentation
# get_slide_number
# get_slide_count
# goto_slide
# next_step
# previous_step
def setUp(self):
"""
Set up the patches and mocks need for all tests.
"""
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self.os_isdir_patcher = patch('openlp.plugins.presentations.lib.pptviewcontroller.os.path.isdir')
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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')
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self.rect_patcher = MagicMock()
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self.mock_os_isdir = self.os_isdir_patcher.start()
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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
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def tearDown(self):
"""
Stop the patches
"""
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self.os_isdir_patcher.stop()
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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)
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def test_load_presentation_succesfull(self):
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"""
Test the PptviewDocument.load_presentation() method when the PPT is successfully opened
"""
# GIVEN: A reset mocked_os
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self.mock_os_isdir.reset()
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# WHEN: The temporary directory exists and OpenPPT returns successfully (not -1)
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self.mock_os_isdir.return_value = True
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self.mock_controller.process.OpenPPT.return_value = 0
instance = PptviewDocument(self.mock_controller, self.mock_presentation)
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instance.file_path = 'test\path.ppt'
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if is_win():
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result = instance.load_presentation()
# THEN: PptviewDocument.load_presentation should return True
self.assertTrue(result)
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def test_load_presentation_un_succesfull(self):
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"""
Test the PptviewDocument.load_presentation() method when the temporary directory does not exist and the PPT is
not successfully opened
"""
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# GIVEN: A reset mock_os_isdir
self.mock_os_isdir.reset()
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# WHEN: The temporary directory does not exist and OpenPPT returns unsuccessfully (-1)
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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'
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if is_win():
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result = instance.load_presentation()
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# THEN: The temp folder should be created and PptviewDocument.load_presentation should return False
mock_makedirs.assert_called_once_with(self.temp_folder)
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self.assertFalse(result)
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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 = os.path.join(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'])
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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('openlp.plugins.presentations.lib.pptviewcontroller.os.path.exists') as mocked_exists, \
patch('openlp.plugins.presentations.lib.presentationcontroller.check_directory_exists') as \
mocked_dir_exists:
mocked_exists.return_value = False
mocked_dir_exists.return_value = False
doc = PptviewDocument(self.mock_controller, self.mock_presentation)
doc.file_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_exists.assert_any_call('Idontexist.pptx')
self.assertEqual(mocked_open.call_count, 0, 'There should be no calls to open a file.')
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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 = os.path.join(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')