forked from openlp/openlp
403 lines
18 KiB
Python
403 lines
18 KiB
Python
"""
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This module contains tests for the lib submodule of the Songs plugin.
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"""
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from unittest import TestCase
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from mock import patch, MagicMock
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from openlp.plugins.songs.lib import VerseType, clean_string, clean_title
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from openlp.plugins.songs.lib.songcompare import songs_probably_equal, _remove_typos, _op_length
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class TestLib(TestCase):
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"""
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Test the functions in the :mod:`lib` module.
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"""
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def setUp(self):
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"""
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Mock up two songs and provide a set of lyrics for the songs_probably_equal tests.
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"""
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self.full_lyrics =u'''amazing grace how sweet the sound that saved a wretch like me i once was lost but now am
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found was blind but now i see twas grace that taught my heart to fear and grace my fears relieved how
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precious did that grace appear the hour i first believed through many dangers toils and snares i have already
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come tis grace that brought me safe thus far and grace will lead me home'''
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self.short_lyrics =u'''twas grace that taught my heart to fear and grace my fears relieved how precious did that
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grace appear the hour i first believed'''
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self.error_lyrics =u'''amazing how sweet the trumpet that saved a wrench like me i once was losst but now am
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found waf blind but now i see it was grace that taught my heart to fear and grace my fears relieved how
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precious did that grace appppppppear the hour i first believedxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx snares i have
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already come to this grace that brought me safe so far and grace will lead me home'''
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self.different_lyrics=u'''on a hill far away stood an old rugged cross the emblem of suffering and shame and i love
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that old cross where the dearest and best for a world of lost sinners was slain so ill cherish the old rugged
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cross till my trophies at last i lay down i will cling to the old rugged cross and exchange it some day for a
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crown'''
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self.song1 = MagicMock()
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self.song2 = MagicMock()
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def clean_string_test(self):
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"""
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Test the clean_string() function
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"""
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# GIVEN: A "dirty" string
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dirty_string = u'Ain\'t gonna find\t you there.'
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# WHEN: We run the string through the function
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result = clean_string(dirty_string)
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# THEN: The string should be cleaned up and lower-cased
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self.assertEqual(result, u'aint gonna find you there ', u'The string should be cleaned up properly')
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def clean_title_test(self):
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"""
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Test the clean_title() function
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"""
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# GIVEN: A "dirty" string
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dirty_string = u'This\u0000 is a\u0014 dirty \u007Fstring\u009F'
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# WHEN: We run the string through the function
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result = clean_title(dirty_string)
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# THEN: The string should be cleaned up
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self.assertEqual(result, u'This is a dirty string', u'The title should be cleaned up properly: "%s"' % result)
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def songs_probably_equal_same_song_test(self):
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"""
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Test the songs_probably_equal function with twice the same song.
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"""
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# GIVEN: Two equal songs.
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self.song1.search_lyrics = self.full_lyrics
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self.song2.search_lyrics = self.full_lyrics
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# WHEN: We compare those songs for equality.
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result = songs_probably_equal(self.song1, self.song2)
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# THEN: The result should be True.
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assert result == True, u'The result should be True'
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def songs_probably_equal_short_song_test(self):
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"""
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Test the songs_probably_equal function with a song and a shorter version of the same song.
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"""
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# GIVEN: A song and a short version of the same song.
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self.song1.search_lyrics = self.full_lyrics
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self.song2.search_lyrics = self.short_lyrics
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# WHEN: We compare those songs for equality.
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result = songs_probably_equal(self.song1, self.song2)
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# THEN: The result should be True.
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assert result == True, u'The result should be True'
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def songs_probably_equal_error_song_test(self):
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"""
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Test the songs_probably_equal function with a song and a very erroneous version of the same song.
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"""
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# GIVEN: A song and the same song with lots of errors.
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self.song1.search_lyrics = self.full_lyrics
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self.song2.search_lyrics = self.error_lyrics
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# WHEN: We compare those songs for equality.
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result = songs_probably_equal(self.song1, self.song2)
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# THEN: The result should be True.
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assert result == True, u'The result should be True'
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def songs_probably_equal_different_song_test(self):
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"""
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Test the songs_probably_equal function with two different songs.
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"""
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# GIVEN: Two different songs.
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self.song1.search_lyrics = self.full_lyrics
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self.song2.search_lyrics = self.different_lyrics
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# WHEN: We compare those songs for equality.
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result = songs_probably_equal(self.song1, self.song2)
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# THEN: The result should be False.
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assert result == False, u'The result should be False'
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def remove_typos_beginning_test(self):
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"""
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Test the _remove_typos function with a typo at the beginning.
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"""
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# GIVEN: A diffset with a difference at the beginning.
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diff = [('replace', 0, 2, 0, 1), ('equal', 2, 11, 1, 10)]
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# WHEN: We remove the typos in there.
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result = _remove_typos(diff)
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# THEN: There should be no typos at the beginning anymore.
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assert len(result) == 1, u'The result should contain only one element.'
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assert result[0][0] == 'equal', u'The result should contain an equal element.'
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def remove_typos_beginning_negated_test(self):
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"""
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Test the _remove_typos function with a large difference at the beginning.
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"""
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# GIVEN: A diffset with a large difference at the beginning.
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diff = [('replace', 0, 20, 0, 1), ('equal', 20, 29, 1, 10)]
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# WHEN: We remove the typos in there.
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result = _remove_typos(list(diff))
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# THEN: There diff should not have changed.
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assert result == diff
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def remove_typos_end_test(self):
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"""
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Test the _remove_typos function with a typo at the end.
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"""
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# GIVEN: A diffset with a difference at the end.
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diff = [('equal', 0, 10, 0, 10), ('replace', 10, 12, 10, 11)]
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# WHEN: We remove the typos in there.
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result = _remove_typos(diff)
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# THEN: There should be no typos at the end anymore.
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assert len(result) == 1, u'The result should contain only one element.'
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assert result[0][0] == 'equal', u'The result should contain an equal element.'
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def remove_typos_end_negated_test(self):
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"""
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Test the _remove_typos function with a large difference at the end.
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"""
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# GIVEN: A diffset with a large difference at the end.
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diff = [('equal', 0, 10, 0, 10), ('replace', 10, 20, 10, 1)]
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# WHEN: We remove the typos in there.
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result = _remove_typos(list(diff))
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# THEN: There diff should not have changed.
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assert result == diff
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def remove_typos_middle_test(self):
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"""
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Test the _remove_typos function with a typo in the middle.
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"""
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# GIVEN: A diffset with a difference in the middle.
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diff = [('equal', 0, 10, 0, 10), ('replace', 10, 12, 10, 11), ('equal', 12, 22, 11, 21)]
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# WHEN: We remove the typos in there.
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result = _remove_typos(diff)
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# THEN: There should be no typos in the middle anymore. The remaining equals should have been merged.
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assert len(result) is 1, u'The result should contain only one element.'
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assert result[0][0] == 'equal', u'The result should contain an equal element.'
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assert result[0][1] == 0, u'The start indices should be kept.'
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assert result[0][2] == 22, u'The stop indices should be kept.'
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assert result[0][3] == 0, u'The start indices should be kept.'
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assert result[0][4] == 21, u'The stop indices should be kept.'
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def remove_typos_beginning_negated_test(self):
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"""
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Test the _remove_typos function with a large difference in the middle.
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"""
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# GIVEN: A diffset with a large difference in the middle.
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diff = [('equal', 0, 10, 0, 10), ('replace', 10, 20, 10, 11), ('equal', 20, 30, 11, 21)]
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# WHEN: We remove the typos in there.
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result = _remove_typos(list(diff))
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# THEN: There diff should not have changed.
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assert result == diff
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def op_length_test(self):
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"""
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Test the _op_length function.
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"""
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# GIVEN: A diff entry.
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diff_entry = ('replace', 0, 2, 4, 14)
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# WHEN: We calculate the length of that diff.
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result = _op_length(diff_entry)
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# THEN: The maximum length should be returned.
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assert result == 10, u'The length should be 10.'
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class TestVerseType(TestCase):
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"""
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This is a test case to test various methods in the VerseType enumeration class.
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"""
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def translated_tag_test(self):
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"""
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Test that the translated_tag() method returns the correct tags
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_tag() method with a "verse"
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result = VerseType.translated_tag(u'v')
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# THEN: The result should be "V"
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self.assertEqual(result, u'V', u'The result should be "V"')
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# WHEN: We run the translated_tag() method with a "chorus"
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result = VerseType.translated_tag(u'c')
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# THEN: The result should be "C"
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self.assertEqual(result, u'C', u'The result should be "C"')
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def translated_invalid_tag_test(self):
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"""
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Test that the translated_tag() method returns the default tag when passed an invalid tag
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_tag() method with an invalid verse type
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result = VerseType.translated_tag(u'z')
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# THEN: The result should be "O"
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self.assertEqual(result, u'O', u'The result should be "O", but was "%s"' % result)
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def translated_invalid_tag_with_specified_default_test(self):
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"""
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Test that the translated_tag() method returns the specified default tag when passed an invalid tag
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_tag() method with an invalid verse type and specify a default
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result = VerseType.translated_tag(u'q', VerseType.Bridge)
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# THEN: The result should be "B"
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self.assertEqual(result, u'B', u'The result should be "B", but was "%s"' % result)
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def translated_invalid_tag_with_invalid_default_test(self):
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"""
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Test that the translated_tag() method returns a sane default tag when passed an invalid default
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_tag() method with an invalid verse type and an invalid default
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result = VerseType.translated_tag(u'q', 29)
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# THEN: The result should be "O"
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self.assertEqual(result, u'O', u'The result should be "O", but was "%s"' % result)
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def translated_name_test(self):
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"""
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Test that the translated_name() method returns the correct name
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_name() method with a "verse"
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result = VerseType.translated_name(u'v')
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# THEN: The result should be "Verse"
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self.assertEqual(result, u'Verse', u'The result should be "Verse"')
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# WHEN: We run the translated_name() method with a "chorus"
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result = VerseType.translated_name(u'c')
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# THEN: The result should be "Chorus"
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self.assertEqual(result, u'Chorus', u'The result should be "Chorus"')
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def translated_invalid_name_test(self):
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"""
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Test that the translated_name() method returns the default name when passed an invalid tag
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_name() method with an invalid verse type
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result = VerseType.translated_name(u'z')
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# THEN: The result should be "Other"
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self.assertEqual(result, u'Other', u'The result should be "Other", but was "%s"' % result)
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def translated_invalid_name_with_specified_default_test(self):
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"""
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Test that the translated_name() method returns the specified default name when passed an invalid tag
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_name() method with an invalid verse type and specify a default
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result = VerseType.translated_name(u'q', VerseType.Bridge)
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# THEN: The result should be "Bridge"
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self.assertEqual(result, u'Bridge', u'The result should be "Bridge", but was "%s"' % result)
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def translated_invalid_name_with_invalid_default_test(self):
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"""
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Test that the translated_name() method returns the specified default tag when passed an invalid tag
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the translated_name() method with an invalid verse type and specify an invalid default
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result = VerseType.translated_name(u'q', 29)
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# THEN: The result should be "Other"
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self.assertEqual(result, u'Other', u'The result should be "Other", but was "%s"' % result)
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def from_tag_test(self):
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"""
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Test that the from_tag() method returns the correct VerseType.
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the from_tag() method with a valid verse type, we get the name back
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result = VerseType.from_tag(u'v')
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# THEN: The result should be VerseType.Verse
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self.assertEqual(result, VerseType.Verse, u'The result should be VerseType.Verse, but was "%s"' % result)
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def from_tag_with_invalid_tag_test(self):
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"""
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Test that the from_tag() method returns the default VerseType when it is passed an invalid tag.
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the from_tag() method with a valid verse type, we get the name back
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result = VerseType.from_tag(u'w')
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# THEN: The result should be VerseType.Other
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self.assertEqual(result, VerseType.Other, u'The result should be VerseType.Other, but was "%s"' % result)
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def from_tag_with_specified_default_test(self):
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"""
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Test that the from_tag() method returns the specified default when passed an invalid tag.
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the from_tag() method with an invalid verse type, we get the specified default back
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result = VerseType.from_tag(u'x', VerseType.Chorus)
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# THEN: The result should be VerseType.Chorus
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self.assertEqual(result, VerseType.Chorus, u'The result should be VerseType.Chorus, but was "%s"' % result)
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def from_tag_with_invalid_default_test(self):
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"""
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Test that the from_tag() method returns a sane default when passed an invalid tag and an invalid default.
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"""
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# GIVEN: A mocked out translate() function that just returns what it was given
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with patch(u'openlp.plugins.songs.lib.translate') as mocked_translate:
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mocked_translate.side_effect = lambda x, y: y
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# WHEN: We run the from_tag() method with an invalid verse type, we get the specified default back
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result = VerseType.from_tag(u'm', 29)
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# THEN: The result should be VerseType.Other
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self.assertEqual(result, VerseType.Other, u'The result should be VerseType.Other, but was "%s"' % result)
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