Files
picard/test/formats/test_id3.py

641 lines
26 KiB
Python

# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
#
# Copyright (C) 2019 Laurent Monin
# Copyright (C) 2019-2020 Philipp Wolfer
# Copyright (C) 2019 Zenara Daley
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import os.path
import mutagen
from test.picardtestcase import PicardTestCase
from picard import config
from picard.formats import id3
from picard.metadata import Metadata
from .common import (
CommonTests,
load_metadata,
load_raw,
save_and_load_metadata,
save_metadata,
save_raw,
skipUnlessTestfile,
)
from .coverart import CommonCoverArtTests
# prevent unittest to run tests in those classes
class CommonId3Tests:
class Id3TestCase(CommonTests.TagFormatsTestCase):
def setup_tags(self):
# Note: in ID3v23, the original date can only be stored as a year.
super().setup_tags()
self.set_tags({
'originaldate': '1980'
})
self.unsupported_tags['r128_album_gain'] = '-2857'
self.unsupported_tags['r128_track_gain'] = '-2857'
@skipUnlessTestfile
def test_id3_freeform_delete(self):
metadata = Metadata(self.tags)
metadata['Foo'] = 'Foo'
original_metadata = save_and_load_metadata(self.filename, metadata)
del metadata['Foo']
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertIn('Foo', original_metadata)
self.assertNotIn('Foo', new_metadata)
@skipUnlessTestfile
def test_id3_ufid_delete(self):
metadata = Metadata(self.tags)
metadata['musicbrainz_recordingid'] = "Foo"
original_metadata = save_and_load_metadata(self.filename, metadata)
del metadata['musicbrainz_recordingid']
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertIn('musicbrainz_recordingid', original_metadata)
self.assertNotIn('musicbrainz_recordingid', new_metadata)
@skipUnlessTestfile
def test_id3_multiple_freeform_delete(self):
metadata = Metadata(self.tags)
metadata['Foo'] = 'Foo'
metadata['Bar'] = 'Foo'
metadata['FooBar'] = 'Foo'
original_metadata = save_and_load_metadata(self.filename, metadata)
del metadata['Foo']
del metadata['Bar']
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertIn('Foo', original_metadata)
self.assertIn('Bar', original_metadata)
self.assertIn('FooBar', original_metadata)
self.assertNotIn('Foo', new_metadata)
self.assertNotIn('Bar', new_metadata)
self.assertIn('FooBar', new_metadata)
@skipUnlessTestfile
def test_id3_rename_freetext_delete(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.TXXX(desc='Work', text='foo'))
save_raw(self.filename, tags)
raw_metadata = load_raw(self.filename)
self.assertIn('TXXX:Work', raw_metadata)
metadata = Metadata()
metadata.delete('work')
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertNotIn('work', new_metadata)
raw_metadata = load_raw(self.filename)
self.assertNotIn('TXXX:Work', raw_metadata)
self.assertNotIn('TXXX:WORK', raw_metadata)
@skipUnlessTestfile
def test_id3_freetext_ci_delete(self):
# No matter which of the names below gets deleted it always
# should remove all of them
tag_name_variants = [
'replaygain_album_gain',
'REPLAYGAIN_ALBUM_GAIN',
'Replaygain_Album_Gain',
]
for tag_in_test in tag_name_variants:
tags = mutagen.id3.ID3Tags()
for tag in tag_name_variants:
tags.add(mutagen.id3.TXXX(desc=tag, text='foo'))
save_raw(self.filename, tags)
raw_metadata = load_raw(self.filename)
for tag in tag_name_variants:
self.assertIn('TXXX:' + tag, raw_metadata)
metadata = Metadata()
metadata.delete(tag_in_test)
save_metadata(self.filename, metadata)
raw_metadata = load_raw(self.filename)
for tag in tag_name_variants:
self.assertNotIn('TXXX:' + tag, raw_metadata)
@skipUnlessTestfile
def test_id3_metadata_tofn(self):
metadata = Metadata(self.tags)
metadata = save_and_load_metadata(self.filename, metadata)
self.assertIn('originalfilename', metadata)
self.assertEqual(metadata['originalfilename'], "Foo")
@skipUnlessTestfile
def test_performer_duplication(self):
config.setting['write_id3v23'] = True
metadata = Metadata({
'album': 'Foo',
'artist': 'Foo',
'performer:piano': 'Foo',
'title': 'Foo',
})
original_metadata = save_and_load_metadata(self.filename, metadata)
new_metadata = save_and_load_metadata(self.filename, original_metadata)
self.assertEqual(len(new_metadata['performer:piano']), len(original_metadata['performer:piano']))
@skipUnlessTestfile
def test_comment_delete(self):
metadata = Metadata(self.tags)
metadata['comment:bar'] = 'Foo'
metadata['comment:XXX:withlang'] = 'Foo'
original_metadata = save_and_load_metadata(self.filename, metadata)
del metadata['comment:bar']
del metadata['comment:XXX:withlang']
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertIn('comment:foo', original_metadata)
self.assertIn('comment:bar', original_metadata)
self.assertIn('comment:XXX:withlang', original_metadata)
self.assertIn('comment:foo', new_metadata)
self.assertNotIn('comment:bar', new_metadata)
self.assertNotIn('comment:XXX:withlang', new_metadata)
@skipUnlessTestfile
def test_id3v23_simple_tags(self):
config.setting['write_id3v23'] = True
metadata = Metadata(self.tags)
loaded_metadata = save_and_load_metadata(self.filename, metadata)
for (key, value) in self.tags.items():
self.assertEqual(loaded_metadata[key], value, '%s: %r != %r' % (key, loaded_metadata[key], value))
@property
def itunes_grouping_metadata(self):
metadata = Metadata()
metadata['grouping'] = 'The Grouping'
metadata['work'] = 'The Work'
return metadata
@skipUnlessTestfile
def test_standard_grouping(self):
metadata = self.itunes_grouping_metadata
config.setting['itunes_compatible_grouping'] = False
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(loaded_metadata['grouping'], metadata['grouping'])
self.assertEqual(loaded_metadata['work'], metadata['work'])
@skipUnlessTestfile
def test_itunes_compatible_grouping(self):
metadata = self.itunes_grouping_metadata
config.setting['itunes_compatible_grouping'] = True
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(loaded_metadata['grouping'], metadata['grouping'])
self.assertEqual(loaded_metadata['work'], metadata['work'])
@skipUnlessTestfile
def test_always_read_grp1(self):
metadata = self.itunes_grouping_metadata
config.setting['itunes_compatible_grouping'] = True
save_metadata(self.filename, metadata)
config.setting['itunes_compatible_grouping'] = False
loaded_metadata = load_metadata(self.filename)
self.assertIn(metadata['grouping'], loaded_metadata['grouping'])
self.assertIn(metadata['work'], loaded_metadata['grouping'])
self.assertEqual(loaded_metadata['work'], '')
@skipUnlessTestfile
def test_always_read_txxx_work(self):
metadata = self.itunes_grouping_metadata
config.setting['itunes_compatible_grouping'] = False
save_metadata(self.filename, metadata)
config.setting['itunes_compatible_grouping'] = True
loaded_metadata = load_metadata(self.filename)
self.assertIn(metadata['grouping'], loaded_metadata['work'])
self.assertIn(metadata['work'], loaded_metadata['work'])
self.assertEqual(loaded_metadata['grouping'], '')
@skipUnlessTestfile
def test_save_itunnorm_tag(self):
config.setting['clear_existing_tags'] = True
iTunNORM = '00001E86 00001E86 0000A2A3 0000A2A3 000006A6 000006A6 000078FA 000078FA 00000211 00000211'
metadata = Metadata()
metadata['comment:iTunNORM'] = iTunNORM
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(new_metadata['comment:iTunNORM'], iTunNORM)
@skipUnlessTestfile
def test_delete_itun_tags(self):
metadata = Metadata()
metadata['comment:iTunNORM'] = '00001E86 00001E86 0000A2A3 0000A2A3 000006A6 000006A6 000078FA 000078FA 00000211 00000211'
metadata['comment:iTunPGAP'] = '1'
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertIn('comment:iTunNORM', new_metadata)
self.assertIn('comment:iTunPGAP', new_metadata)
del metadata['comment:iTunNORM']
del metadata['comment:iTunPGAP']
new_metadata = save_and_load_metadata(self.filename, metadata)
self.assertNotIn('comment:iTunNORM', new_metadata)
self.assertNotIn('comment:iTunPGAP', new_metadata)
def test_rename_txxx_tags(self):
file_path = os.path.join('test', 'data', 'test-id3-rename-tags.mp3')
filename = self.copy_file_tmp(file_path, '.mp3')
raw_metadata = load_raw(filename)
self.assertIn('TXXX:Artists', raw_metadata)
self.assertNotIn('TXXX:ARTISTS', raw_metadata)
self.assertIn('TXXX:Work', raw_metadata)
self.assertNotIn('TXXX:WORK', raw_metadata)
metadata = load_metadata(filename)
self.assertEqual(metadata['artists'], 'Artist1; Artist2')
self.assertNotIn('Artists', metadata)
self.assertEqual(metadata['work'], 'The Work')
self.assertNotIn('Work', metadata)
save_metadata(filename, metadata)
raw_metadata = load_raw(filename)
self.assertNotIn('TXXX:Artists', raw_metadata)
self.assertIn('TXXX:ARTISTS', raw_metadata)
self.assertNotIn('TXXX:Work', raw_metadata)
self.assertIn('TXXX:WORK', raw_metadata)
def test_preserve_unchanged_tags_v23(self):
config.setting['write_id3v23'] = True
self.test_preserve_unchanged_tags()
@skipUnlessTestfile
def test_replaygain_tags_case_insensitive(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.TXXX(desc='replaygain_album_gain', text='-6.48 dB'))
tags.add(mutagen.id3.TXXX(desc='Replaygain_Album_Peak', text='0.978475'))
tags.add(mutagen.id3.TXXX(desc='replaygain_album_range', text='7.84 dB'))
tags.add(mutagen.id3.TXXX(desc='replaygain_track_gain', text='-6.16 dB'))
tags.add(mutagen.id3.TXXX(desc='REPLAYGAIN_track_peak', text='0.976991'))
tags.add(mutagen.id3.TXXX(desc='REPLAYGAIN_TRACK_RANGE', text='8.22 dB'))
tags.add(mutagen.id3.TXXX(desc='replaygain_reference_loudness', text='-18.00 LUFS'))
save_raw(self.filename, tags)
loaded_metadata = load_metadata(self.filename)
for (key, value) in self.replaygain_tags.items():
self.assertEqual(loaded_metadata[key], value, '%s: %r != %r' % (key, loaded_metadata[key], value))
@skipUnlessTestfile
def test_ci_tags_save(self):
tag_name_variants = [
'replaygain_album_gain',
'REPLAYGAIN_ALBUM_GAIN',
'Replaygain_Album_Gain',
]
for tag in tag_name_variants:
metadata = Metadata({tag: 'foo'})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual('foo', loaded_metadata['replaygain_album_gain'])
@skipUnlessTestfile
def test_ci_tags_preserve_case(self):
# Ensure values are not duplicated on repeated save and are saved
# case preserving.
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.TXXX(desc='Replaygain_Album_Peak', text='0.978475'))
save_raw(self.filename, tags)
loaded_metadata = load_metadata(self.filename)
loaded_metadata['replaygain_album_peak'] = '1.0'
save_metadata(self.filename, loaded_metadata)
raw_metadata = load_raw(self.filename)
self.assertIn('TXXX:Replaygain_Album_Peak', raw_metadata)
self.assertEqual(
raw_metadata['TXXX:Replaygain_Album_Peak'].text[0],
loaded_metadata['replaygain_album_peak'])
self.assertEqual(1, len(raw_metadata['TXXX:Replaygain_Album_Peak'].text))
self.assertNotIn('TXXX:REPLAYGAIN_ALBUM_PEAK', raw_metadata)
@skipUnlessTestfile
def test_lyrics_with_description(self):
metadata = Metadata({'lyrics:foo': 'bar'})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(metadata['lyrics:foo'], loaded_metadata['lyrics:foo'])
@skipUnlessTestfile
def test_invalid_track_and_discnumber(self):
metadata = Metadata({
'discnumber': 'notanumber',
'tracknumber': 'notanumber',
})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertNotIn('discnumber', loaded_metadata)
self.assertNotIn('tracknumber', loaded_metadata)
@skipUnlessTestfile
def test_save_explicit_id3_frames(self):
metadata = Metadata({
'~id3:TXXX:foo': 'bar',
'~id3:TOWN': 'owner'
})
save_metadata(self.filename, metadata)
raw_metadata = load_raw(self.filename)
self.assertIn('TXXX:foo', raw_metadata)
self.assertEqual('bar', raw_metadata['TXXX:foo'])
self.assertEqual('owner', raw_metadata['TOWN'])
@skipUnlessTestfile
def test_delete_explicit_id3_frames(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.TOWN(text='bar'))
tags.add(mutagen.id3.TXXX(desc='foo', text='bar1'))
tags.add(mutagen.id3.TXXX(desc='foo', text='bar2'))
save_raw(self.filename, tags)
raw_metadata = load_raw(self.filename)
self.assertIn('TOWN', raw_metadata)
self.assertIn('TXXX:foo', raw_metadata)
metadata = Metadata()
metadata.delete('~id3:TOWN')
metadata.delete('~id3:TXXX:foo')
metadata.delete('~id3:NOTAFRAME')
save_metadata(self.filename, metadata)
raw_metadata = load_raw(self.filename)
self.assertNotIn('TOWN', raw_metadata)
self.assertNotIn('TXXX:foo', raw_metadata)
@skipUnlessTestfile
def test_delete_tipl(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.TIPL(people=[
['mix', 'mixer1'],
['mix', 'mixer2'],
['producer', 'producer1'],
]))
save_raw(self.filename, tags)
metadata = Metadata()
metadata.delete('mixer')
save_metadata(self.filename, metadata)
raw_metadata = load_raw(self.filename)
people = raw_metadata['TIPL'].people
self.assertIn(['producer', 'producer1'], people)
self.assertNotIn(['mix', 'mixer1'], people)
self.assertNotIn(['mix', 'mixer2'], people)
self.assertEqual(1, len(people))
@skipUnlessTestfile
def test_load_conflicting_txxx_tags(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.TXXX(desc='title', text='foo'))
save_raw(self.filename, tags)
loaded_metadata = load_metadata(self.filename)
self.assertEqual('foo', loaded_metadata['~id3:TXXX:title'])
@skipUnlessTestfile
def test_license_single_url(self):
metadata = Metadata({
'license': 'http://example.com'
})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(metadata['license'], loaded_metadata['license'])
raw_metadata = load_raw(self.filename)
self.assertEqual(metadata['license'], raw_metadata['WCOP'])
@skipUnlessTestfile
def test_license_single_non_url(self):
metadata = Metadata({
'license': 'foo'
})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(metadata['license'], loaded_metadata['license'])
raw_metadata = load_raw(self.filename)
self.assertEqual(metadata['license'], raw_metadata['TXXX:LICENSE'])
@skipUnlessTestfile
def test_license_multi_url(self):
metadata = Metadata({
'license': [
'http://example.com/1',
'http://example.com/2',
]
})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(metadata['license'], loaded_metadata['license'])
raw_metadata = load_raw(self.filename)
self.assertEqual(
set(metadata.getall('license')),
set(raw_metadata.get('TXXX:LICENSE').text))
@skipUnlessTestfile
def test_license_wcop_and_txxx(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.WCOP(url='http://example.com/1'))
tags.add(mutagen.id3.TXXX(desc='license', text='http://example.com/2'))
save_raw(self.filename, tags)
loaded_metadata = load_metadata(self.filename)
loaded_licenses = loaded_metadata.getall('license')
self.assertEqual(2, len(loaded_licenses))
self.assertIn('http://example.com/1', loaded_licenses)
self.assertIn('http://example.com/2', loaded_licenses)
@skipUnlessTestfile
def test_license_upgrade_wcop(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.WCOP(url='http://example.com/1'))
save_raw(self.filename, tags)
metadata = load_metadata(self.filename)
self.assertEqual('http://example.com/1', metadata['license'])
metadata.add('license', 'http://example.com/2')
save_metadata(self.filename, metadata)
raw_metadata = load_raw(self.filename)
self.assertNotIn('WCOP', raw_metadata)
loaded_licenses = [url for url in raw_metadata['TXXX:LICENSE']]
self.assertEqual(['http://example.com/1', 'http://example.com/2'], loaded_licenses)
@skipUnlessTestfile
def test_license_downgrade_wcop(self):
tags = mutagen.id3.ID3Tags()
licenses = ['http://example.com/1', 'http://example.com/2']
tags.add(mutagen.id3.TXXX(desc='LICENSE', text=licenses))
save_raw(self.filename, tags)
raw_metadata = load_raw(self.filename)
metadata = load_metadata(self.filename)
self.assertEqual(licenses, metadata.getall('license'))
metadata['license'] = 'http://example.com/1'
save_metadata(self.filename, metadata)
raw_metadata = load_raw(self.filename)
self.assertEqual('http://example.com/1', raw_metadata['WCOP'])
self.assertNotIn('TXXX:LICENSE', raw_metadata)
@skipUnlessTestfile
def test_license_delete(self):
tags = mutagen.id3.ID3Tags()
tags.add(mutagen.id3.WCOP(url='http://example.com/1'))
tags.add(mutagen.id3.TXXX(desc='LICENSE', text='http://example.com/2'))
save_raw(self.filename, tags)
metadata = load_metadata(self.filename)
del metadata['license']
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertNotIn('license', loaded_metadata)
@skipUnlessTestfile
def test_woar_not_duplicated(self):
metadata = Metadata({
'website': 'http://example.com/1'
})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(metadata['website'], loaded_metadata['website'])
metadata['website'] = 'http://example.com/2'
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(metadata['website'], loaded_metadata['website'])
@skipUnlessTestfile
def test_woar_delete(self):
metadata = Metadata({
'website': 'http://example.com/1'
})
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertEqual(metadata['website'], loaded_metadata['website'])
del metadata['website']
loaded_metadata = save_and_load_metadata(self.filename, metadata)
self.assertNotIn('website', loaded_metadata)
class MP3Test(CommonId3Tests.Id3TestCase):
testfile = 'test.mp3'
supports_ratings = True
expected_info = {
'length': 156,
'~channels': '2',
'~sample_rate': '44100',
}
unexpected_info = ['~video']
@skipUnlessTestfile
def test_remove_apev2(self):
# Add APEv2 tags
apev2_tags = mutagen.apev2.APEv2()
apev2_tags['Title'] = 'foo'
apev2_tags.save(self.filename)
self.assertEqual('foo', mutagen.apev2.APEv2(self.filename)['Title'])
config.setting['remove_ape_from_mp3'] = False
save_metadata(self.filename, Metadata())
self.assertEqual('foo', mutagen.apev2.APEv2(self.filename)['Title'])
config.setting['remove_ape_from_mp3'] = True
save_metadata(self.filename, Metadata())
self.assertRaises(mutagen.apev2.APENoHeaderError, mutagen.apev2.APEv2, self.filename)
@skipUnlessTestfile
def test_remove_apev2_no_existing_tags(self):
self.assertRaises(mutagen.apev2.APENoHeaderError, mutagen.apev2.APEv2, self.filename)
config.setting['remove_ape_from_mp3'] = True
save_metadata(self.filename, Metadata())
self.assertRaises(mutagen.apev2.APENoHeaderError, mutagen.apev2.APEv2, self.filename)
class TTATest(CommonId3Tests.Id3TestCase):
testfile = 'test.tta'
supports_ratings = True
expected_info = {
'length': 82,
'~sample_rate': '44100',
}
unexpected_info = ['~video']
class DSFTest(CommonId3Tests.Id3TestCase):
testfile = 'test.dsf'
supports_ratings = True
expected_info = {
'length': 10,
'~channels': '2',
'~sample_rate': '5644800',
'~bitrate': '11289.6',
'~bits_per_sample': '1',
}
unexpected_info = ['~video']
if id3.DSDIFFFile:
class DSDIFFTest(CommonId3Tests.Id3TestCase):
testfile = 'test-dsd.dff'
supports_ratings = True
expected_info = {
'length': 10,
'~channels': '2',
'~sample_rate': '5644800',
'~bitrate': '11289.6',
'~bits_per_sample': '1',
}
unexpected_info = ['~video']
class DSDIFFDSTTest(CommonId3Tests.Id3TestCase):
testfile = 'test-dst.dff'
supports_ratings = True
expected_info = {
'length': 0,
'~channels': '2',
'~sample_rate': '5644800',
'~bits_per_sample': '1',
}
unexpected_info = ['~video']
class AIFFTest(CommonId3Tests.Id3TestCase):
testfile = 'test.aiff'
supports_ratings = False
expected_info = {
'length': 82,
'~channels': '2',
'~sample_rate': '44100',
'~bitrate': '1411.2',
}
unexpected_info = ['~video']
class Id3UtilTest(PicardTestCase):
def test_id3text(self):
teststring = '日本語testÖäß'
self.assertEqual(id3.id3text(teststring, 0), '???testÖäß')
self.assertEqual(id3.id3text(teststring, 1), teststring)
self.assertEqual(id3.id3text(teststring, 3), teststring)
def test_image_type_from_id3_num(self):
self.assertEqual(id3.image_type_from_id3_num(0), 'other')
self.assertEqual(id3.image_type_from_id3_num(3), 'front')
self.assertEqual(id3.image_type_from_id3_num(6), 'medium')
self.assertEqual(id3.image_type_from_id3_num(9999), 'other')
def test_image_type_as_id3_num(self):
self.assertEqual(id3.image_type_as_id3_num('other'), 0)
self.assertEqual(id3.image_type_as_id3_num('front'), 3)
self.assertEqual(id3.image_type_as_id3_num('medium'), 6)
self.assertEqual(id3.image_type_as_id3_num('track'), 6)
self.assertEqual(id3.image_type_as_id3_num('unknowntype'), 0)
def test_types_from_id3(self):
self.assertEqual(id3.types_from_id3(0), ['other'])
self.assertEqual(id3.types_from_id3(3), ['front'])
self.assertEqual(id3.types_from_id3(6), ['medium'])
self.assertEqual(id3.types_from_id3(9999), ['other'])
class Mp3CoverArtTest(CommonCoverArtTests.CoverArtTestCase):
testfile = 'test.mp3'