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

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2013 Raoul Snyman                                        #
# Portions copyright (c) 2008-2013 Tim Bentley, Gerald Britton, Jonathan      #
# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub,      #
# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer.   #
# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru,          #
# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith,             #
# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock,              #
# Frode Woldsund, Martin Zibricky, Patrick Zimmermann                         #
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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  #
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"""
This module contains tests for the lib submodule of the Presentations plugin.
"""
from unittest import TestCase

from PyQt4 import QtGui

from openlp.core.lib import Registry
from openlp.plugins.presentations.lib.mediaitem import PresentationMediaItem
from tests.functional import patch, MagicMock


class TestMediaItem(TestCase):
    """
    Test the mediaitem methods.
    """
    def setUp(self):
        """
        Set up the components need for all tests.
        """
        Registry.create()
        Registry().register('service_manager', MagicMock())
        Registry().register('main_window', MagicMock())

        with patch('openlp.plugins.presentations.lib.mediaitem.PresentationMediaItem.__init__') as mocked_init:
            mocked_init.return_value = None
            self.media_item = PresentationMediaItem(MagicMock(), MagicMock, MagicMock(), MagicMock())

        self.application = QtGui.QApplication.instance()

    def tearDown(self):
        """
        Delete all the C++ objects at the end so that we don't have a segfault
        """
        del self.application

    def build_file_mask_string_test(self):
        """
        Test the build_file_mask_string() method
        """
        # GIVEN: Different controllers.
        impress_controller = MagicMock()
        impress_controller.enabled.return_value = True
        impress_controller.supports = ['odp']
        impress_controller.also_supports = ['ppt']
        presentation_controller = MagicMock()
        presentation_controller.enabled.return_value = True
        presentation_controller.supports = ['ppt']
        presentation_controller.also_supports = []
        presentation_viewer_controller = MagicMock()
        presentation_viewer_controller.enabled.return_value = False
        # Mock the controllers.
        self.media_item.controllers = {
            'Impress': impress_controller,
            'Powerpoint': presentation_controller,
            'Powerpoint Viewer': presentation_viewer_controller
        }

        # WHEN: Build the file mask.
        with patch('openlp.plugins.presentations.lib.mediaitem.translate') as mocked_translate:
            mocked_translate.side_effect = lambda module, string_to_translate: string_to_translate
            self.media_item.build_file_mask_string()

        # THEN: The file mask should be generated.
        assert self.media_item.on_new_file_masks == 'Presentations (*.odp *.ppt )', \
            'The file mask should contain the odp and ppt extensions'