import unittest
-from sima.lib.meta import Meta, Artist, is_uuid4
-from sima.lib.meta import WrongUUID4, MetaException
+from sima.lib.meta import Meta, Artist, MetaContainer, is_uuid4
+from sima.lib.meta import MetaException, SEPARATOR
-VALID = '110E8100-E29B-41D1-A716-116655250000'
+VALID = '110e8100-e29b-41d1-a716-116655250000'
class TestMetaObject(unittest.TestCase):
def test_uuid_integrity(self):
- Meta(mbid=VALID, name='test')
- Meta(mbid=VALID.lower(), name='test')
wrong = VALID +'a'
- self.assertRaises(WrongUUID4, is_uuid4, wrong)
+ self.assertFalse(is_uuid4(wrong))
# test UUID4 format validation
- self.assertRaises(WrongUUID4, is_uuid4, VALID.replace('4', '3'))
- self.assertRaises(WrongUUID4, is_uuid4, VALID.replace('A', 'Z'))
+ self.assertFalse(is_uuid4(VALID.replace('4', '3')))
+ self.assertFalse(is_uuid4(VALID.replace('a', 'z')))
def test_init(self):
for args in [
def test_equality(self):
a = Meta(mbid=VALID, name='a')
b = Meta(mbid=VALID, name='b')
+ c = Meta(mbid=VALID.upper(), name='c')
self.assertEqual(a, b)
+ self.assertEqual(a, c)
def test_hash(self):
a = Meta(mbid=VALID, name='a')
b = Meta(mbid=VALID, name='b')
c = Meta(mbid=VALID, name='c')
- self.assertTrue(len({a,b,c}) == 1)
+ self.assertTrue(len({a, b, c}) == 1)
self.assertTrue(a in [c, b])
self.assertTrue(a in {c, b})
# mbid is immutable
self.assertRaises(AttributeError, a.__setattr__, 'mbid', VALID)
- def test_identity(self):
- a = Meta(mbid=VALID, name='a')
- b = Meta(mbid=VALID, name='a')
- self.assertTrue(a is not b)
-
def test_aliases(self):
art0 = Meta(name='Silver Mt. Zion')
art0.add_alias('A Silver Mt. Zion')
mbid='f22942a1-6f70-4f48-866e-238cb2308fbd')
art02 = Meta(name='Some Other Name not even close, avoid fuzzy match',
mbid='f22942a1-6f70-4f48-866e-238cb2308fbd')
+ art03 = Meta(name='Aphex Twin',
+ mbid='322942a1-6f70-4f48-866e-238cb2308fbd')
self.assertTrue(len({art00, art02}) == 1)
art00._Meta__name = art02._Meta__name = 'Aphex Twin'
self.assertTrue(len({art00, art02}) == 1,
'wrong: hash({!r}) != hash({!r})'.format(art00, art02))
+ self.assertTrue(hash(art00) != hash(art03),
+ 'wrong: hash({!r}) == hash({!r})'.format(art00, art03))
+
def test_comparison(self):
art00 = Meta(name='Aphex Twin',
mbid='f22942a1-6f70-4f48-866e-238cb2308fbd')
class TestArtistObject(unittest.TestCase):
def test_init(self):
- artist = {'artist': ['Name featuring', 'Feature'],
+ artist = {'artist': SEPARATOR.join(['Original Name', 'Featuring Nane', 'Featureā¦']),
'albumartist': 'Name',
'musicbrainz_artistid': VALID,
'musicbrainz_albumartistid': VALID.replace('11', '22'),
self.assertTrue(art.mbid == VALID)
artist.pop('albumartist')
art = Artist(**artist)
+ self.assertTrue(art.name == 'Original Name', art.name)
+
+ def test_empty_name(self):
+ for args in [
+ {'mbid':VALID},
+ {'name': None},
+ {},
+ ]:
+ with self.assertRaises(MetaException,
+ msg='{} does not raise an except.'.format(args)):
+ Artist(**args)
+
+class TestMetaContainers(unittest.TestCase):
+
+ def test_init(self):
+ a = Meta(mbid=VALID, name='a')
+ b = Meta(mbid=VALID, name='b')
+ c = Meta(mbid=VALID.replace('11', '22'), name='b')
+ # redondant with Meta test_comparison, but anyway
+ cont = MetaContainer([a, b, c])
+ self.assertTrue(len(cont) == 2)
+ self.assertTrue(a in cont)
+ self.assertTrue(b in cont)
+ self.assertTrue(Meta(name='a') in cont)
+
+ def test_intersection_difference(self):
+ # Now set works as expected with composite (name/mbid) collections of Meta
+ # cf Meta test_union
+ # >>> len(MetaContainer([Artist(name='Name'), Artist(name='Name', mbid=<UUID4>)]) == 1
+ # but
+ # >>> len({Artist(name='Name'), Artist(name='Name', mbid=<UUID4>}) == 2
+ art00 = Meta(name='Aphex Twin', mbid='f22942a1-6f70-4f48-866e-238cb2308fbd')
+ art01 = Meta(name='Aphex Twin', mbid=None)
+ self.assertTrue(MetaContainer([art00]) & MetaContainer([art01]))
+ self.assertFalse(MetaContainer([art01]) - MetaContainer([art01]))
+ art01._Meta__mbid = art00.mbid
+ self.assertTrue(MetaContainer([art00]) & MetaContainer([art01]))
+ self.assertFalse(MetaContainer([art01]) - MetaContainer([art01]))
+ art01._Meta__mbid = art00.mbid.replace('229', '330')
+ self.assertFalse(MetaContainer([art00]) & MetaContainer([art01]))
# vim: ai ts=4 sw=4 sts=4 expandtab