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from tests import TestCase, add
import os
from quodlibet import formats
from quodlibet import config
from shutil import copyfileobj
from tempfile import mkstemp
class TestMetaData(TestCase):
base = 'tests/data/silence-44-s'
def setUp(self):
"""Copy the base silent file to a temp name/location and load it"""
config.init()
fd, self.filename = mkstemp(suffix=self.ext, text=False)
dst = os.fdopen(fd, 'w')
src = open(self.base + self.ext, 'rb')
copyfileobj(src, dst)
dst.close()
self.song = formats.MusicFile(self.filename)
def tearDown(self):
"""Delete the temp file"""
os.remove(self.filename)
del self.filename
del self.song
config.quit()
def test_base_data(self):
self.failUnlessEqual(self.song['artist'], 'piman\njzig')
self.failUnlessEqual(self.song['album'], 'Quod Libet Test Data')
self.failUnlessEqual(self.song['title'], 'Silence')
def test_mutability(self):
self.failIf(self.song.can_change('=foo'))
self.failIf(self.song.can_change('foo~bar'))
self.failUnless(self.song.can_change('artist'))
self.failUnless(self.song.can_change('title'))
self.failUnless(self.song.can_change('tracknumber'))
self.failUnless(self.song.can_change('somebadtag'))
self.failUnless(self.song.can_change('some%punctuated:tag.'))
def _test_tag(self, tag, values, remove=True):
self.failUnless(self.song.can_change(tag))
for value in values:
self.song[tag] = value
self.song.write()
written = formats.MusicFile(self.filename)
self.failUnlessEqual(written[tag], value)
if remove:
del self.song[tag]
self.song.write()
deleted = formats.MusicFile(self.filename)
self.failIf(tag in deleted)
def test_artist(self): # a normalish tag
self._test_tag('artist', [u'me', u'you\nme',
u'\u6d5c\u5d0e\u3042\u3086\u307f'])
def test_date(self): # unusual special handling for mp3s
self._test_tag('date', [u'2004', u'2005', u'2005-06-12'], False)
def test_genre(self): # unusual special handling for mp3s
self._test_tag('genre', [u'Pop', u'Rock\nClassical', u'Big Bird',
u'\u30a2\u30cb\u30e1\u30b5\u30f3\u30c8\u30e9',])
def test_odd_performer(self):
values = [u"A Person", u"Another"]
self._test_tag("performer:vocals", values)
self._test_tag("performer:guitar", values)
def test_wackjob(self): # undefined tag
self._test_tag('wackjob', [u'Jelly\nDanish', u'Muppet',
u'\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc'])
tags = ['album', 'arranger', 'artist', 'author', 'comment', 'composer',
'conductor', 'copyright', 'discnumber', 'encodedby', 'genre', 'isrc',
'language', 'license', 'lyricist', 'organization', 'performer', 'title',
'tracknumber', 'version', 'xyzzy_undefined_tag', 'musicbrainz_trackid',
'releasecountry']
for ext in formats._infos.keys():
if os.path.exists(TestMetaData.base + ext):
extra_tests = {}
for tag in tags:
if tag in ['artist', 'date', 'genre']: continue
def test_tag(self, tag=tag): self._test_tag(tag, [u'a'])
extra_tests['test_tag_' + tag] = test_tag
def test_tags(self, tag=tag): self._test_tag(tag, [u'b\nc'])
extra_tests['test_tags_' + tag] = test_tags
testcase = type('MetaData' + ext, (TestMetaData,), extra_tests)
testcase.ext = ext
add(testcase)
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