openlp/tests/functional/openlp_plugins/presentations/test_powerpointcontroller.py

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# -*- 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 PowerPointController class and related methods.
"""
import os
import shutil
from unittest import TestCase
from unittest.mock import patch, MagicMock
from tempfile import mkdtemp
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from openlp.core.common import is_win
from openlp.core.common.settings import Settings
from openlp.plugins.presentations.lib.powerpointcontroller import PowerpointController, PowerpointDocument, \
_get_text_from_shapes
from tests.helpers.testmixin import TestMixin
from tests.utils.constants import TEST_RESOURCES_PATH
if is_win():
import pywintypes
__default_settings__ = {
'presentations/powerpoint slide click advance': True
}
class TestPowerpointController(TestCase, TestMixin):
"""
Test the PowerpointController 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 PowerpointController
"""
# GIVEN: No presentation controller
controller = None
# WHEN: The presentation controller object is created
controller = PowerpointController(plugin=self.mock_plugin)
# THEN: The name of the presentation controller should be correct
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assert 'Powerpoint' == controller.name, 'The name of the presentation controller should be correct'
class TestPowerpointDocument(TestCase, TestMixin):
"""
Test the PowerpointDocument 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
self.powerpoint_document_stop_presentation_patcher = patch(
'openlp.plugins.presentations.lib.powerpointcontroller.PowerpointDocument.stop_presentation')
self.presentation_document_get_temp_folder_patcher = patch(
'openlp.plugins.presentations.lib.powerpointcontroller.PresentationDocument.get_temp_folder')
self.presentation_document_setup_patcher = patch(
'openlp.plugins.presentations.lib.powerpointcontroller.PresentationDocument._setup')
self.mock_powerpoint_document_stop_presentation = self.powerpoint_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_controller = MagicMock()
self.mock_presentation = MagicMock()
self.mock_presentation_document_get_temp_folder.return_value = 'temp folder'
self.file_name = os.path.join(TEST_RESOURCES_PATH, 'presentations', 'test.pptx')
self.real_controller = PowerpointController(self.mock_plugin)
Settings().extend_default_settings(__default_settings__)
def tearDown(self):
"""
Stop the patches
"""
self.powerpoint_document_stop_presentation_patcher.stop()
self.presentation_document_get_temp_folder_patcher.stop()
self.presentation_document_setup_patcher.stop()
self.destroy_settings()
shutil.rmtree(self.temp_folder)
def test_show_error_msg(self):
"""
Test the PowerpointDocument.show_error_msg() method gets called on com exception
"""
if is_win():
# GIVEN: A PowerpointDocument with mocked controller and presentation
with patch('openlp.plugins.presentations.lib.powerpointcontroller.critical_error_message_box') as \
mocked_critical_error_message_box:
instance = PowerpointDocument(self.mock_controller, self.mock_presentation)
instance.presentation = MagicMock()
instance.presentation.SlideShowWindow.View.GotoSlide = MagicMock(side_effect=pywintypes.com_error('1'))
instance.index_map[42] = 42
# WHEN: Calling goto_slide which will throw an exception
instance.goto_slide(42)
# THEN: mocked_critical_error_message_box should have been called
mocked_critical_error_message_box.assert_called_with('Error', 'An error occurred in the PowerPoint '
'integration and the presentation will be stopped.'
' Restart the presentation if you wish to '
'present it.')
# add _test to the following if necessary
def verify_loading_document(self):
"""
Test loading a document in PowerPoint
"""
if is_win() and self.real_controller.check_available():
# GIVEN: A PowerpointDocument and a presentation
doc = PowerpointDocument(self.real_controller, self.file_name)
# WHEN: loading the filename
doc.load_presentation()
result = doc.is_loaded()
# THEN: result should be true
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assert result is True, 'The result should be True'
else:
self.skipTest('Powerpoint not available, skipping test.')
def test_create_titles_and_notes(self):
"""
Test creating the titles from PowerPoint
"""
# GIVEN: mocked save_titles_and_notes, _get_text_from_shapes and two mocked slides
self.doc = PowerpointDocument(self.mock_controller, self.file_name)
self.doc.get_slide_count = MagicMock()
self.doc.get_slide_count.return_value = 2
self.doc.index_map = {1: 1, 2: 2}
self.doc.save_titles_and_notes = MagicMock()
self.doc._PowerpointDocument__get_text_from_shapes = MagicMock()
slide = MagicMock()
slide.Shapes.Title.TextFrame.TextRange.Text = 'SlideText'
pres = MagicMock()
pres.Slides = MagicMock(side_effect=[slide, slide])
self.doc.presentation = pres
# WHEN reading the titles and notes
self.doc.create_titles_and_notes()
# THEN the save should have been called exactly once with 2 titles and 2 notes
self.doc.save_titles_and_notes.assert_called_once_with(['SlideText\n', 'SlideText\n'], [' ', ' '])
def test_create_titles_and_notes_with_no_slides(self):
"""
Test creating the titles from PowerPoint when it returns no slides
"""
# GIVEN: mocked save_titles_and_notes, _get_text_from_shapes and two mocked slides
doc = PowerpointDocument(self.mock_controller, self.file_name)
doc.save_titles_and_notes = MagicMock()
doc._PowerpointDocument__get_text_from_shapes = MagicMock()
pres = MagicMock()
pres.Slides = []
doc.presentation = pres
# WHEN reading the titles and notes
doc.create_titles_and_notes()
# THEN the save should have been called exactly once with empty titles and notes
doc.save_titles_and_notes.assert_called_once_with([], [])
def test_get_text_from_shapes(self):
"""
Test getting text from powerpoint shapes
"""
# GIVEN: mocked shapes
shape = MagicMock()
shape.PlaceholderFormat.Type = 2
shape.HasTextFrame = shape.TextFrame.HasText = True
shape.TextFrame.TextRange.Text = 'slideText'
shapes = [shape, shape]
# WHEN: getting the text
result = _get_text_from_shapes(shapes)
# THEN: it should return the text
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assert result == 'slideText\nslideText\n', 'result should match \'slideText\nslideText\n\''
def test_get_text_from_shapes_with_no_shapes(self):
"""
Test getting text from powerpoint shapes with no shapes
"""
# GIVEN: empty shapes array
shapes = []
# WHEN: getting the text
result = _get_text_from_shapes(shapes)
# THEN: it should not fail but return empty string
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assert result == '', 'result should be empty'
def test_goto_slide(self):
"""
Test that goto_slide goes to next effect if the slide is already displayed
"""
# GIVEN: A Document with mocked controller, presentation, and mocked functions get_slide_number and next_step
doc = PowerpointDocument(self.mock_controller, self.mock_presentation)
doc.presentation = MagicMock()
doc.presentation.SlideShowWindow.View.GetClickIndex.return_value = 1
doc.presentation.SlideShowWindow.View.GetClickCount.return_value = 2
doc.get_slide_number = MagicMock()
doc.get_slide_number.return_value = 1
doc.next_step = MagicMock()
doc.index_map[1] = 1
# WHEN: Calling goto_slide
doc.goto_slide(1)
# THEN: next_step() should be call to try to advance to the next effect.
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assert doc.next_step.called is True, 'next_step() should have been called!'
def test_blank_screen(self):
"""
Test that blank_screen works as expected
"""
# GIVEN: A Document with mocked controller, presentation, and mocked function get_slide_number
doc = PowerpointDocument(self.mock_controller, self.mock_presentation)
doc.presentation = MagicMock()
doc.presentation.SlideShowWindow.View.GetClickIndex.return_value = 3
doc.presentation.Application.Version = 14.0
doc.get_slide_number = MagicMock()
doc.get_slide_number.return_value = 2
# WHEN: Calling goto_slide
doc.blank_screen()
# THEN: The view state, doc.blank_slide and doc.blank_click should have new values
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assert doc.presentation.SlideShowWindow.View.State == 3, 'The View State should be 3'
assert doc.blank_slide == 2, 'doc.blank_slide should be 2 because of the PowerPoint version'
assert doc.blank_click == 3, 'doc.blank_click should be 3 because of the PowerPoint version'
def test_unblank_screen(self):
"""
Test that unblank_screen works as expected
"""
# GIVEN: A Document with mocked controller, presentation, ScreenList, and mocked function get_slide_number
with patch('openlp.plugins.presentations.lib.powerpointcontroller.ScreenList') as mocked_screen_list:
mocked_screen_list_ret = MagicMock()
mocked_screen_list_ret.screen_list = [1]
mocked_screen_list.return_value = mocked_screen_list_ret
doc = PowerpointDocument(self.mock_controller, self.mock_presentation)
doc.presentation = MagicMock()
doc.presentation.SlideShowWindow.View.GetClickIndex.return_value = 3
doc.presentation.Application.Version = 14.0
doc.get_slide_number = MagicMock()
doc.get_slide_number.return_value = 2
doc.index_map[1] = 1
doc.blank_slide = 1
doc.blank_click = 1
# WHEN: Calling goto_slide
doc.unblank_screen()
# THEN: The view state have new value, and several function should have been called
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assert doc.presentation.SlideShowWindow.View.State == 1, 'The View State should be 1'
assert doc.presentation.SlideShowWindow.Activate.called is True, \
'SlideShowWindow.Activate should have been called'
assert doc.presentation.SlideShowWindow.View.GotoSlide.called is True, \
'View.GotoSlide should have been called because of the PowerPoint version'
assert doc.presentation.SlideShowWindow.View.GotoClick.called is True, \
'View.GotoClick should have been called because of the PowerPoint version'