openlp/tests/functional/openlp_plugins/bibles/test_lib.py

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

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2019 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 lib submodule of the Bibles plugin.
"""
from unittest import TestCase
from unittest.mock import MagicMock, patch

from openlp.plugins.bibles import lib
from openlp.plugins.bibles.lib import SearchResults, get_reference_match
from tests.helpers.testmixin import TestMixin


class TestLib(TestCase, TestMixin):
    """
    Test the functions in the :mod:`lib` module.
    """
    @patch('openlp.plugins.bibles.lib.update_reference_separators')
    def test_get_reference_separator(self, mocked_update_reference_separators):
        """
        Test the get_reference_separator method
        """
        # GIVEN: A list of expected separators and the lib module's constant is empty
        lib.REFERENCE_SEPARATORS = None
        separators = {'sep_r': '\\s*(?:e)\\s*', 'sep_e_default': 'end', 'sep_v_display': 'w', 'sep_l_display': 'r',
                      'sep_v_default': ':|v|V|verse|verses', 'sep_l': '\\s*(?:r)\\s*', 'sep_l_default': ',|and',
                      'sep_e': '\\s*(?:t)\\s*', 'sep_v': '\\s*(?:w)\\s*', 'sep_r_display': 'e', 'sep_r_default': '-|to'}

        def _update_side_effect():
            """
            Update the references after mocking out the method
            """
            lib.REFERENCE_SEPARATORS = separators

        mocked_update_reference_separators.side_effect = _update_side_effect

        # WHEN: Calling get_reference_separator
        for key, value in separators.items():
            lib.get_reference_separator(key)

            # THEN: get_reference_separator should return the correct separator
            assert separators[key] == value
        mocked_update_reference_separators.assert_called_once_with()

    def test_reference_matched_full(self):
        """
        Test that the 'full' regex parses bible verse references correctly.
        """
        # GIVEN: Some test data which contains different references to parse, with the expected results.
        with patch('openlp.plugins.bibles.lib.Settings', return_value=MagicMock(**{'value.return_value': ''})):
            # The following test data tests with about 240 variants when using the default 'separators'
            # The amount is exactly 222 without '1. John 23' and'1. John. 23'
            test_data = [
                # Input reference, book name, chapter + verse reference
                ('Psalm 23', 'Psalm', '23'),
                ('Psalm. 23', 'Psalm', '23'),
                ('Psalm 23{to}24', 'Psalm', '23-24'),
                ('Psalm 23{verse}1{to}2', 'Psalm', '23:1-2'),
                ('Psalm 23{verse}1{to}{end}', 'Psalm', '23:1-end'),
                ('Psalm 23{verse}1{to}2{_and}5{to}6', 'Psalm', '23:1-2,5-6'),
                ('Psalm 23{verse}1{to}2{_and}5{to}{end}', 'Psalm', '23:1-2,5-end'),
                ('Psalm 23{verse}1{to}2{_and}24{verse}1{to}3', 'Psalm', '23:1-2,24:1-3'),
                ('Psalm 23{verse}1{to}{end}{_and}24{verse}1{to}{end}', 'Psalm', '23:1-end,24:1-end'),
                ('Psalm 23{verse}1{to}24{verse}1', 'Psalm', '23:1-24:1'),
                ('Psalm 23{_and}24', 'Psalm', '23,24'),
                ('1 John 23', '1 John', '23'),
                ('1 John. 23', '1 John', '23'),
                ('1. John 23', '1. John', '23'),
                ('1. John. 23', '1. John', '23'),
                ('1 John 23{to}24', '1 John', '23-24'),
                ('1 John 23{verse}1{to}2', '1 John', '23:1-2'),
                ('1 John 23{verse}1{to}{end}', '1 John', '23:1-end'),
                ('1 John 23{verse}1{to}2{_and}5{to}6', '1 John', '23:1-2,5-6'),
                ('1 John 23{verse}1{to}2{_and}5{to}{end}', '1 John', '23:1-2,5-end'),
                ('1 John 23{verse}1{to}2{_and}24{verse}1{to}3', '1 John', '23:1-2,24:1-3'),
                ('1 John 23{verse}1{to}{end}{_and}24{verse}1{to}{end}', '1 John', '23:1-end,24:1-end'),
                ('1 John 23{verse}1{to}24{verse}1', '1 John', '23:1-24:1'),
                ('1 John 23{_and}24', '1 John', '23,24')]

            full_reference_match = get_reference_match('full')
            for reference_text, book_result, ranges_result in test_data:
                to_separators = ['-', ' - ', 'to', ' to '] if '{to}' in reference_text else ['']
                verse_separators = [':', ' : ', 'v', ' v ', 'V', ' V ', 'verse', ' verse ', 'verses', ' verses '] \
                    if '{verse}' in reference_text else ['']
                and_separators = [',', ' , ', 'and', ' and '] if '{_and}' in reference_text else ['']
                end_separators = ['end', ' end '] if '{end}' in reference_text else ['']

                for to in to_separators:
                    for verse in verse_separators:
                        for _and in and_separators:
                            for end in end_separators:
                                reference_text = reference_text.format(to=to, verse=verse, _and=_and, end=end)

                                # WHEN: Attempting to parse the input string
                                match = full_reference_match.match(reference_text)

                                # THEN: A match should be returned, and the book and reference should match the
                                #       expected result
                                assert match is not None, '{text} should provide a match'.format(text=reference_text)
                                assert book_result == match.group('book'), \
                                    '{text} does not provide the expected result for the book group.'\
                                    .format(text=reference_text)
                                assert ranges_result == match.group('ranges'), \
                                    '{text} does not provide the expected result for the ranges group.' \
                                    .format(text=reference_text)

    def test_reference_matched_range(self):
        """
        Test that the 'range' regex parses bible verse references correctly.
        Note: This test takes in to account that the regex does not work quite as expected!
        see https://bugs.launchpad.net/openlp/+bug/1638620
        """
        # GIVEN: Some test data which contains different references to parse, with the expected results.
        with patch('openlp.plugins.bibles.lib.Settings', return_value=MagicMock(**{'value.return_value': ''})):
            # The following test data tests with 45 variants when using the default 'separators'
            test_data = [
                ('23', None, '23', None, None, None),
                ('23{to}24', None, '23', '-24', None, '24'),
                ('23{verse}1{to}2', '23', '1', '-2', None, '2'),
                ('23{verse}1{to}{end}', '23', '1', '-end', None, None),
                ('23{verse}1{to}24{verse}1', '23', '1', '-24:1', '24', '1')]
            full_reference_match = get_reference_match('range')
            for reference_text, from_chapter, from_verse, range_to, to_chapter, to_verse in test_data:
                to_separators = ['-', ' - ', 'to', ' to '] if '{to}' in reference_text else ['']
                verse_separators = [':', ' : ', 'v', ' v ', 'V', ' V ', 'verse', ' verse ', 'verses', ' verses '] \
                    if '{verse}' in reference_text else ['']
                and_separators = [',', ' , ', 'and', ' and '] if '{_and}' in reference_text else ['']
                end_separators = ['end', ' end '] if '{end}' in reference_text else ['']

                for to in to_separators:
                    for verse in verse_separators:
                        for _and in and_separators:
                            for end in end_separators:
                                reference_text = reference_text.format(to=to, verse=verse, _and=_and, end=end)

                                # WHEN: Attempting to parse the input string
                                match = full_reference_match.match(reference_text)

                                # THEN: A match should be returned, and the to/from chapter/verses should match as
                                #       expected
                                assert match is not None, '{text} should provide a match'.format(text=reference_text)
                                assert match.group('from_chapter') == from_chapter
                                assert match.group('from_verse') == from_verse
                                assert match.group('range_to') == range_to
                                assert match.group('to_chapter') == to_chapter
                                assert match.group('to_verse') == to_verse

    def test_reference_matched_range_separator(self):
        # GIVEN: Some test data which contains different references to parse, with the expected results.
        with patch('openlp.plugins.bibles.lib.Settings', return_value=MagicMock(**{'value.return_value': ''})):
            # The following test data tests with 111 variants when using the default 'separators'
            # The regex for handling ranges is a bit screwy, see https://bugs.launchpad.net/openlp/+bug/1638620
            test_data = [
                ('23', ['23']),
                ('23{to}24', ['23-24']),
                ('23{verse}1{to}2', ['23:1-2']),
                ('23{verse}1{to}{end}', ['23:1-end']),
                ('23{verse}1{to}2{_and}5{to}6', ['23:1-2', '5-6']),
                ('23{verse}1{to}2{_and}5{to}{end}', ['23:1-2', '5-end']),
                ('23{verse}1{to}2{_and}24{verse}1{to}3', ['23:1-2', '24:1-3']),
                ('23{verse}1{to}{end}{_and}24{verse}1{to}{end}', ['23:1-end', '24:1-end']),
                ('23{verse}1{to}24{verse}1', ['23:1-24:1']),
                ('23,24', ['23', '24'])]
            full_reference_match = get_reference_match('range_separator')
            for reference_text, ranges in test_data:
                to_separators = ['-', ' - ', 'to', ' to '] if '{to}' in reference_text else ['']
                verse_separators = [':', ' : ', 'v', ' v ', 'V', ' V ', 'verse', ' verse ', 'verses', ' verses '] \
                    if '{verse}' in reference_text else ['']
                and_separators = [',', ' , ', 'and', ' and '] if '{_and}' in reference_text else ['']
                end_separators = ['end', ' end '] if '{end}' in reference_text else ['']

                for to in to_separators:
                    for verse in verse_separators:
                        for _and in and_separators:
                            for end in end_separators:
                                reference_text = reference_text.format(to=to, verse=verse, _and=_and, end=end)

                                # WHEN: Attempting to parse the input string
                                references = full_reference_match.split(reference_text)

                                # THEN: The list of references should be as the expected results
                                assert references == ranges

    def test_search_results_creation(self):
        """
        Test the creation and construction of the SearchResults class
        """
        # GIVEN: A book, chapter and a verse list
        book = 'Genesis'
        chapter = 1
        verse_list = {
            1: 'In the beginning God created the heavens and the earth.',
            2: 'The earth was without form and void, and darkness was over the face of the deep. And the Spirit of '
               'God was hovering over the face of the waters.'
        }

        # WHEN: We create the search results object
        search_results = SearchResults(book, chapter, verse_list)

        # THEN: It should have a book, a chapter and a verse list
        assert search_results is not None, 'The search_results object should not be None'
        assert search_results.book == book, 'The book should be "Genesis"'
        assert search_results.chapter == chapter, 'The chapter should be 1'
        assert search_results.verse_list == verse_list, 'The verse lists should be identical'

    def test_search_results_has_verse_list(self):
        """
        Test that a SearchResults object with a valid verse list returns True when checking ``has_verse_list()``
        """
        # GIVEN: A valid SearchResults object with a proper verse list
        search_results = SearchResults('Genesis', 1, {1: 'In the beginning God created the heavens and the earth.'})

        # WHEN: We check that the SearchResults object has a verse list
        has_verse_list = search_results.has_verse_list()

        # THEN: It should be True
        assert has_verse_list is True, 'The SearchResults object should have a verse list'

    def test_search_results_has_no_verse_list(self):
        """
        Test that a SearchResults object with an empty verse list returns False when checking ``has_verse_list()``
        """
        # GIVEN: A valid SearchResults object with an empty verse list
        search_results = SearchResults('Genesis', 1, {})

        # WHEN: We check that the SearchResults object has a verse list
        has_verse_list = search_results.has_verse_list()

        # THEN: It should be False
        assert has_verse_list is False, 'The SearchResults object should have a verse list'