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functional bibles

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This commit is contained in:
Tim Bentley 2017-12-22 16:53:40 +00:00
parent 9843d48478
commit dd53bfd157
14 changed files with 91 additions and 99 deletions
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16
tests/functional/openlp_plugins/bibles/test_bibleserver.py
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@ -75,9 +75,8 @@ class TestBSExtract(TestCase):
self.mock_urllib.parse.quote.assert_called_once_with(b'NIV')
self.mock_get_soup_for_bible_ref.assert_called_once_with(
'http://m.bibleserver.com/overlay/selectBook?translation=NIV')
self.assertIsNone(result,
'BSExtract.get_books_from_http should return None when get_soup_for_bible_ref returns a '
'false value')
assert result is None, \
'BSExtract.get_books_from_http should return None when get_soup_for_bible_ref returns a false value'
def test_get_books_from_http_no_content(self):
"""
@ -106,9 +105,8 @@ class TestBSExtract(TestCase):
self.mock_soup.find.assert_called_once_with('ul')
self.mock_log.error.assert_called_once_with('No books found in the Bibleserver response.')
self.mock_send_error_message.assert_called_once_with('parse')
self.assertIsNone(result,
'BSExtract.get_books_from_http should return None when get_soup_for_bible_ref returns a '
'false value')
assert result is None, \
'BSExtract.get_books_from_http should return None when get_soup_for_bible_ref returns a false value'
def test_get_books_from_http_content(self):
"""
@ -138,6 +136,6 @@ class TestBSExtract(TestCase):
self.mock_urllib.parse.quote.assert_called_once_with(b'NIV')
self.mock_get_soup_for_bible_ref.assert_called_once_with(
'http://m.bibleserver.com/overlay/selectBook?translation=NIV')
self.assertFalse(self.mock_log.error.called, 'log.error should not have been called')
self.assertFalse(self.mock_send_error_message.called, 'send_error_message should not have been called')
self.assertEqual(result, ['Genesis', 'Leviticus'])
assert self.mock_log.error.called is False, 'log.error should not have been called'
assert self.mock_send_error_message.called is False, 'send_error_message should not have been called'
assert result == ['Genesis', 'Leviticus']

42
tests/functional/openlp_plugins/bibles/test_lib.py
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@ -59,7 +59,7 @@ class TestLib(TestCase, TestMixin):
_ = lib.get_reference_separator(key)
# THEN: get_reference_separator should return the correct separator
self.assertEqual(separators[key], value)
assert separators[key] == value
mocked_update_reference_separators.assert_called_once_with()
def test_reference_matched_full(self):
@ -116,13 +116,13 @@ class TestLib(TestCase, TestMixin):
# THEN: A match should be returned, and the book and reference should match the
# expected result
self.assertIsNotNone(match, '{text} should provide a match'.format(text=reference_text))
self.assertEqual(book_result, match.group('book'),
'{text} does not provide the expected result for the book group.'
.format(text=reference_text))
self.assertEqual(ranges_result, match.group('ranges'),
'{text} does not provide the expected result for the ranges group.'
.format(text=reference_text))
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):
"""
@ -158,12 +158,12 @@ class TestLib(TestCase, TestMixin):
# THEN: A match should be returned, and the to/from chapter/verses should match as
# expected
self.assertIsNotNone(match, '{text} should provide a match'.format(text=reference_text))
self.assertEqual(match.group('from_chapter'), from_chapter)
self.assertEqual(match.group('from_verse'), from_verse)
self.assertEqual(match.group('range_to'), range_to)
self.assertEqual(match.group('to_chapter'), to_chapter)
self.assertEqual(match.group('to_verse'), to_verse)
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.
@ -199,7 +199,7 @@ class TestLib(TestCase, TestMixin):
references = full_reference_match.split(reference_text)
# THEN: The list of references should be as the expected results
self.assertEqual(references, ranges)
assert references == ranges
def test_search_results_creation(self):
"""
@ -218,10 +218,10 @@ class TestLib(TestCase, TestMixin):
search_results = SearchResults(book, chapter, verse_list)
# THEN: It should have a book, a chapter and a verse list
self.assertIsNotNone(search_results, 'The search_results object should not be None')
self.assertEqual(search_results.book, book, 'The book should be "Genesis"')
self.assertEqual(search_results.chapter, chapter, 'The chapter should be 1')
self.assertDictEqual(search_results.verse_list, verse_list, 'The verse lists should be identical')
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):
"""
@ -234,7 +234,7 @@ class TestLib(TestCase, TestMixin):
has_verse_list = search_results.has_verse_list()
# THEN: It should be True
self.assertTrue(has_verse_list, 'The SearchResults object should have a verse list')
assert has_verse_list is True, 'The SearchResults object should have a verse list'
def test_search_results_has_no_verse_list(self):
"""
@ -247,4 +247,4 @@ class TestLib(TestCase, TestMixin):
has_verse_list = search_results.has_verse_list()
# THEN: It should be False
self.assertFalse(has_verse_list, 'The SearchResults object should have a verse list')
assert has_verse_list is False, 'The SearchResults object should have a verse list'

4
tests/functional/openlp_plugins/bibles/test_manager.py
View File

@ -63,7 +63,7 @@ class TestManager(TestCase):
# THEN: The session should have been closed and set to None, the bible should be deleted, and the result of
# the deletion returned.
self.assertTrue(result)
assert result is True
mocked_close_all.assert_called_once_with()
self.assertIsNone(mocked_bible.session)
assert mocked_bible.session is None
mocked_delete_file.assert_called_once_with(Path('bibles', 'KJV.sqlite'))

67
tests/functional/openlp_plugins/bibles/test_opensongimport.py
View File

@ -68,7 +68,7 @@ class TestOpenSongImport(TestCase, TestMixin):
importer = OpenSongBible(mocked_manager, path='.', name='.', file_path=None)
# THEN: The importer should be an instance of BibleDB
self.assertIsInstance(importer, BibleImport)
assert isinstance(importer, BibleImport)
def test_get_text_no_text(self):
"""
@ -81,7 +81,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = get_text(test_data)
# THEN: A blank string should be returned
self.assertEqual(result, '')
assert result == ''
def test_get_text_text(self):
"""
@ -98,7 +98,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = get_text(test_data)
# THEN: The text returned should be as expected
self.assertEqual(result, 'Element text sub_text_tail text sub_text_tail tail sub_text text sub_tail tail')
assert result == 'Element text sub_text_tail text sub_text_tail tail sub_text text sub_tail tail'
def test_parse_chapter_number(self):
"""
@ -109,7 +109,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = parse_chapter_number('10', 0)
# THEN: The 10 should be returned as an Int
self.assertEqual(result, 10)
assert result == 10
def test_parse_chapter_number_empty_attribute(self):
"""
@ -120,7 +120,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = parse_chapter_number('', 12)
# THEN: parse_chapter_number should increment the previous verse number
self.assertEqual(result, 13)
assert result == 13
def test_parse_verse_number_valid_verse_no(self):
"""
@ -133,7 +133,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = importer.parse_verse_number('15', 0)
# THEN: parse_verse_number should return the verse number
self.assertEqual(result, 15)
assert result == 15
def test_parse_verse_number_verse_range(self):
"""
@ -146,7 +146,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = importer.parse_verse_number('24-26', 0)
# THEN: parse_verse_number should return the first verse number in the range
self.assertEqual(result, 24)
assert result == 24
def test_parse_verse_number_invalid_verse_no(self):
"""
@ -159,7 +159,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = importer.parse_verse_number('invalid', 41)
# THEN: parse_verse_number should increment the previous verse number
self.assertEqual(result, 42)
assert result == 42
def test_parse_verse_number_empty_attribute(self):
"""
@ -171,7 +171,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = importer.parse_verse_number('', 14)
# THEN: parse_verse_number should increment the previous verse number
self.assertEqual(result, 15)
assert result == 15
def test_parse_verse_number_invalid_type(self):
"""
@ -187,7 +187,7 @@ class TestOpenSongImport(TestCase, TestMixin):
# THEN: parse_verse_number should log the verse number it was called with increment the previous verse
# number
mocked_log_warning.assert_called_once_with('Illegal verse number: (1, 2, 3)')
self.assertEqual(result, 13)
assert result == 13
def test_process_books_stop_import(self):
"""
@ -201,7 +201,7 @@ class TestOpenSongImport(TestCase, TestMixin):
importer.process_books(['Book'])
# THEN: find_and_create_book should not have been called
self.assertFalse(self.mocked_find_and_create_book.called)
assert self.mocked_find_and_create_book.called is False
def test_process_books_completes(self):
"""
@ -226,11 +226,10 @@ class TestOpenSongImport(TestCase, TestMixin):
importer.process_books([book1, book2])
# THEN: find_and_create_book and process_books should be called with the details from the mocked books
self.assertEqual(self.mocked_find_and_create_book.call_args_list,
[call('Name1', 2, 10), call('Name2', 2, 10)])
self.assertEqual(mocked_process_chapters.call_args_list,
[call('db_book1', 'Chapter1'), call('db_book2', 'Chapter2')])
self.assertEqual(importer.session.commit.call_count, 2)
assert self.mocked_find_and_create_book.call_args_list == [call('Name1', 2, 10), call('Name2', 2, 10)]
assert mocked_process_chapters.call_args_list == \
[call('db_book1', 'Chapter1'), call('db_book2', 'Chapter2')]
assert importer.session.commit.call_count == 2
def test_process_chapters_stop_import(self):
"""
@ -245,7 +244,7 @@ class TestOpenSongImport(TestCase, TestMixin):
importer.process_chapters('Book', ['Chapter1'])
# THEN: importer.parse_chapter_number not have been called
self.assertFalse(importer.parse_chapter_number.called)
assert importer.parse_chapter_number.called is False
@patch('openlp.plugins.bibles.lib.importers.opensong.parse_chapter_number', **{'side_effect': [1, 2]})
def test_process_chapters_completes(self, mocked_parse_chapter_number):
@ -273,12 +272,11 @@ class TestOpenSongImport(TestCase, TestMixin):
importer.process_chapters(book, [chapter1, chapter2])
# THEN: parse_chapter_number, process_verses and increment_process_bar should have been called
self.assertEqual(mocked_parse_chapter_number.call_args_list, [call('1', 0), call('2', 1)])
self.assertEqual(
importer.process_verses.call_args_list,
[call(book, 1, ['Chapter1 Verses']), call(book, 2, ['Chapter2 Verses'])])
self.assertEqual(importer.wizard.increment_progress_bar.call_args_list,
[call('Importing Book 1...'), call('Importing Book 2...')])
assert mocked_parse_chapter_number.call_args_list == [call('1', 0), call('2', 1)]
assert importer.process_verses.call_args_list == \
[call(book, 1, ['Chapter1 Verses']), call(book, 2, ['Chapter2 Verses'])]
assert importer.wizard.increment_progress_bar.call_args_list == [call('Importing Book 1...'),
call('Importing Book 2...')]
def test_process_verses_stop_import(self):
"""
@ -293,7 +291,7 @@ class TestOpenSongImport(TestCase, TestMixin):
importer.process_verses('Book', 1, 'Verses')
# THEN: importer.parse_verse_number not have been called
self.assertFalse(importer.parse_verse_number.called)
assert importer.parse_verse_number.called is False
def test_process_verses_completes(self):
"""
@ -324,11 +322,10 @@ class TestOpenSongImport(TestCase, TestMixin):
importer.process_verses(book, 1, [verse1, verse2])
# THEN: parse_chapter_number, process_verses and increment_process_bar should have been called
self.assertEqual(mocked_parse_verse_number.call_args_list, [call('1', 0), call('2', 1)])
self.assertEqual(mocked_get_text.call_args_list, [call(verse1), call(verse2)])
self.assertEqual(
importer.create_verse.call_args_list,
[call(1, 1, 1, 'Verse1 Text'), call(1, 1, 2, 'Verse2 Text')])
assert mocked_parse_verse_number.call_args_list == [call('1', 0), call('2', 1)]
assert mocked_get_text.call_args_list == [call(verse1), call(verse2)]
assert importer.create_verse.call_args_list == \
[call(1, 1, 1, 'Verse1 Text'), call(1, 1, 2, 'Verse2 Text')]
def test_do_import_parse_xml_fails(self):
"""
@ -345,8 +342,8 @@ class TestOpenSongImport(TestCase, TestMixin):
result = importer.do_import()
# THEN: do_import should return False and get_language_id should have not been called
self.assertFalse(result)
self.assertFalse(mocked_language_id.called)
assert result is False
assert mocked_language_id.called is False
def test_do_import_no_language(self):
"""
@ -364,8 +361,8 @@ class TestOpenSongImport(TestCase, TestMixin):
result = importer.do_import()
# THEN: do_import should return False and process_books should have not been called
self.assertFalse(result)
self.assertFalse(mocked_process_books.called)
assert result is False
assert mocked_process_books.called is False
def test_do_import_completes(self):
"""
@ -383,7 +380,7 @@ class TestOpenSongImport(TestCase, TestMixin):
result = importer.do_import()
# THEN: do_import should return True
self.assertTrue(result)
assert result is True
class TestOpenSongImportFileImports(TestCase, TestMixin):
@ -421,6 +418,6 @@ class TestOpenSongImportFileImports(TestCase, TestMixin):
importer.do_import()
# THEN: The create_verse() method should have been called with each verse in the file.
self.assertTrue(importer.create_verse.called)
assert importer.create_verse.called is True
for verse_tag, verse_text in test_data['verses']:
importer.create_verse.assert_any_call(importer.create_book().id, 1, int(verse_tag), verse_text)

2
tests/functional/openlp_plugins/bibles/test_osisimport.py
View File

@ -207,7 +207,7 @@ class TestOsisImport(TestCase):
# THEN: set_current_chapter should have been called with the test data
mocked_set_current_chapter.assert_called_once_with(test_book.name, 2)
self.assertFalse(mocked_process_verse.called)
assert mocked_process_verse.called is False
def test_process_chapters_milestones_verse_tag(self):
"""

31
tests/functional/openlp_plugins/bibles/test_versereferencelist.py
View File

@ -48,14 +48,12 @@ class TestVerseReferenceList(TestCase):
reference_list.add(book, chapter, verse, version, copyright_, permission)
# THEN: The entries should be in the first entry of the list
self.assertEqual(reference_list.current_index, 0, 'The current index should be 0')
self.assertEqual(reference_list.verse_list[0]['book'], book, 'The book in first entry should be %s' % book)
self.assertEqual(reference_list.verse_list[0]['chapter'], chapter, 'The chapter in first entry should be %u' %
chapter)
self.assertEqual(reference_list.verse_list[0]['start'], verse, 'The start in first entry should be %u' % verse)
self.assertEqual(reference_list.verse_list[0]['version'], version, 'The version in first entry should be %s' %
version)
self.assertEqual(reference_list.verse_list[0]['end'], verse, 'The end in first entry should be %u' % verse)
assert reference_list.current_index == 0, 'The current index should be 0'
assert reference_list.verse_list[0]['book'] == book, 'The book in first entry should be %s' % book
assert reference_list.verse_list[0]['chapter'] == chapter, 'The chapter in first entry should be %u' % chapter
assert reference_list.verse_list[0]['start'] == verse, 'The start in first entry should be %u' % verse
assert reference_list.verse_list[0]['version'] == version, 'The version in first entry should be %s' % version
assert reference_list.verse_list[0]['end'] == verse, 'The end in first entry should be %u' % verse
def test_add_next_verse(self):
"""
@ -76,9 +74,8 @@ class TestVerseReferenceList(TestCase):
reference_list.add(book, chapter, next_verse, version, copyright_, permission)
# THEN: The current index should be 0 and the end pointer of the entry should be '2'
self.assertEqual(reference_list.current_index, 0, 'The current index should be 0')
self.assertEqual(reference_list.verse_list[0]['end'], next_verse,
'The end in first entry should be %u' % next_verse)
assert reference_list.current_index == 0, 'The current index should be 0'
assert reference_list.verse_list[0]['end'] == next_verse, 'The end in first entry should be %u' % next_verse
def test_add_another_verse(self):
"""
@ -101,7 +98,7 @@ class TestVerseReferenceList(TestCase):
reference_list.add(another_book, another_chapter, another_verse, version, copyright_, permission)
# THEN: the current index should be 1
self.assertEqual(reference_list.current_index, 1, 'The current index should be 1')
assert reference_list.current_index == 1, 'The current index should be 1'
def test_add_version(self):
"""
@ -117,10 +114,10 @@ class TestVerseReferenceList(TestCase):
reference_list.add_version(version, copyright_, permission)
# THEN: the data will be appended to the list
self.assertEqual(len(reference_list.version_list), 1, 'The version data should be appended')
self.assertEqual(reference_list.version_list[0],
{'version': version, 'copyright': copyright_, 'permission': permission},
'The version data should be appended')
assert len(reference_list.version_list) == 1, 'The version data should be appended'
assert reference_list.version_list[0] == \
{'version': version, 'copyright': copyright_, 'permission': permission}, \
'The version data should be appended'
def test_add_existing_version(self):
"""
@ -137,4 +134,4 @@ class TestVerseReferenceList(TestCase):
reference_list.add_version(version, copyright_, permission)
# THEN: the data will not be appended to the list
self.assertEqual(len(reference_list.version_list), 1, 'The version data should not be appended')
assert len(reference_list.version_list) == 1, 'The version data should not be appended'

6
tests/functional/openlp_plugins/bibles/test_zefaniaimport.py
View File

@ -59,7 +59,7 @@ class TestZefaniaImport(TestCase):
importer = ZefaniaBible(mocked_manager, path='.', name='.', file_path=None)
# THEN: The importer should be an instance of BibleDB
self.assertIsInstance(importer, BibleDB)
assert isinstance(importer, BibleDB)
def test_file_import(self):
"""
@ -86,7 +86,7 @@ class TestZefaniaImport(TestCase):
importer.do_import()
# THEN: The create_verse() method should have been called with each verse in the file.
self.assertTrue(importer.create_verse.called)
assert importer.create_verse.called is True
for verse_tag, verse_text in test_data['verses']:
importer.create_verse.assert_any_call(importer.create_book().id, 1, verse_tag, verse_text)
importer.create_book.assert_any_call('Genesis', 1, 1)
@ -116,7 +116,7 @@ class TestZefaniaImport(TestCase):
importer.do_import()
# THEN: The create_verse() method should have been called with each verse in the file.
self.assertTrue(importer.create_verse.called)
assert importer.create_verse.called is True
for verse_tag, verse_text in test_data['verses']:
importer.create_verse.assert_any_call(importer.create_book().id, 1, verse_tag, verse_text)
importer.create_book.assert_any_call('Exodus', 2, 1)

4
tests/functional/openlp_plugins/images/test_lib.py
View File

@ -276,9 +276,9 @@ class TestImageMediaItem(TestCase):
item = self.media_item.create_item_from_id('1')
# THEN: A QTreeWidgetItem should be created with the above model object as it's data
self.assertIsInstance(item, QtWidgets.QTreeWidgetItem)
assert isinstance(item, QtWidgets.QTreeWidgetItem)
self.assertEqual('test_file_1.jpg', item.text(0))
item_data = item.data(0, QtCore.Qt.UserRole)
self.assertIsInstance(item_data, ImageFilenames)
assert isinstance(item_data, ImageFilenames)
self.assertEqual(1, item_data.id)
self.assertEqual(Path('/', 'tmp', 'test_file_1.jpg'), item_data.file_path)

2
tests/functional/openlp_plugins/media/test_mediaplugin.py
View File

@ -56,7 +56,7 @@ class MediaPluginTest(TestCase, TestMixin):
# GIVEN: The MediaPlugin
# WHEN: Retrieving the about text
# THEN: about() should return a string object
self.assertIsInstance(MediaPlugin.about(), str)
assert isinstance(MediaPlugin.about(), str)
# THEN: about() should return a non-empty string
self.assertNotEquals(len(MediaPlugin.about()), 0)

4
tests/functional/openlp_plugins/presentations/test_presentationcontroller.py
View File

@ -132,9 +132,9 @@ class TestPresentationController(TestCase):
result_titles, result_notes = self.document.get_titles_and_notes()
# THEN: it should return two empty lists
self.assertIsInstance(result_titles, list, 'result_titles should be of type list')
assert isinstance(result_titles, list, 'result_titles should be of type list')
self.assertEqual(len(result_titles), 0, 'there be no titles')
self.assertIsInstance(result_notes, list, 'result_notes should be a list')
assert isinstance(result_notes, list, 'result_notes should be a list')
self.assertEqual(len(result_notes), 0, 'but the list should be empty')
def test_get_titles_and_notes_with_file_error(self):

2
tests/functional/openlp_plugins/songs/test_openlyricsimport.py
View File

@ -114,7 +114,7 @@ class TestOpenLyricsImport(TestCase, TestMixin):
importer = OpenLyricsImport(mocked_manager, file_paths=[])
# THEN: The importer should be an instance of SongImport
self.assertIsInstance(importer, SongImport)
assert isinstance(importer, SongImport)
def test_file_import(self):
"""

6
tests/functional/openlp_plugins/songs/test_songselect.py
View File

@ -427,7 +427,7 @@ class TestSongSelectImport(TestCase, TestMixin):
result = importer.save_song(song_dict)
# THEN: The return value should be a Song class and the mocked_db_manager should have been called
self.assertIsInstance(result, Song, 'The returned value should be a Song object')
assert isinstance(result, Song, 'The returned value should be a Song object')
mocked_clean_song.assert_called_with(mocked_db_manager, result)
self.assertEqual(2, mocked_db_manager.save_object.call_count,
'The save_object() method should have been called twice')
@ -463,7 +463,7 @@ class TestSongSelectImport(TestCase, TestMixin):
result = importer.save_song(song_dict)
# THEN: The return value should be a Song class and the mocked_db_manager should have been called
self.assertIsInstance(result, Song, 'The returned value should be a Song object')
assert isinstance(result, Song, 'The returned value should be a Song object')
mocked_clean_song.assert_called_with(mocked_db_manager, result)
self.assertEqual(2, mocked_db_manager.save_object.call_count,
'The save_object() method should have been called twice')
@ -498,7 +498,7 @@ class TestSongSelectImport(TestCase, TestMixin):
result = importer.save_song(song_dict)
# THEN: The return value should be a Song class and the mocked_db_manager should have been called
self.assertIsInstance(result, Song, 'The returned value should be a Song object')
assert isinstance(result, Song, 'The returned value should be a Song object')
mocked_clean_song.assert_called_with(mocked_db_manager, result)
self.assertEqual(2, mocked_db_manager.save_object.call_count,
'The save_object() method should have been called twice')

2
tests/functional/openlp_plugins/songs/test_zionworximport.py
View File

@ -59,7 +59,7 @@ class TestZionWorxImport(TestCase):
importer = ZionWorxImport(mocked_manager, file_paths=[])
# THEN: The importer should be an instance of SongImport
self.assertIsInstance(importer, SongImport)
assert isinstance(importer, SongImport)
class TestZionWorxFileImport(SongImportTestHelper):

2
tests/functional/openlp_plugins/songusage/test_songusage.py
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@ -43,7 +43,7 @@ class TestSongUsage(TestCase):
# GIVEN: The SongUsagePlugin
# WHEN: Retrieving the about text
# THEN: about() should return a string object
self.assertIsInstance(SongUsagePlugin.about(), str)
assert isinstance(SongUsagePlugin.about(), str)
# THEN: about() should return a non-empty string
self.assertNotEquals(len(SongUsagePlugin.about()), 0)
self.assertNotEquals(len(SongUsagePlugin.about()), 0)