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# -*- coding: utf-8 -*-
import unittest
from sima.lib.meta import Meta, Artist, Album, MetaContainer, is_uuid4
from sima.lib.meta import MetaException, SEPARATOR
VALID = '110e8100-e29b-41d1-a716-116655250000'
class TestMetaObject(unittest.TestCase):
def test_uuid_integrity(self):
wrong = VALID +'a'
self.assertFalse(is_uuid4(wrong))
# test UUID4 format validation
self.assertFalse(is_uuid4(VALID.replace('a', 'z')))
def test_init(self):
for args in [
{'mbid':VALID},
{'name': None},
{'name': 42},
]:
with self.assertRaises(MetaException,
msg='{} does not raise an except.'.format(args)):
Meta(**args)
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(a in [c, b])
self.assertTrue(a in {c, b})
# mbid is immutable
self.assertRaises(AttributeError, a.__setattr__, 'mbid', VALID)
def test_aliases(self):
art0 = Meta(name='Silver Mt. Zion')
art0.add_alias('A Silver Mt. Zion')
art0.add_alias(art0)
# Controls 'Silver Mt. Zion' is not in aliases
self.assertTrue('Silver Mt. Zion' not in art0.aliases)
# test equality str with Obj.__aliases
self.assertTrue(art0 == 'A Silver Mt. Zion')
self.assertTrue('A Silver Mt. Zion' == art0)
# test equality Obj.__name with OgjBis.__aliases
self.assertTrue(art0 == Meta(name='A Silver Mt. Zion'))
art1 = Meta(name='Silver Mt. Zion')
art1.add_alias(art0)
self.assertIn('A Silver Mt. Zion', art1.aliases)
art3 = Meta(name='foo')
art3.add_alias('Silver Mt. Zion')
art1.add_alias(art3)
self.assertNotIn('Silver Mt. Zion', art1.aliases)
def test_union(self):
art00 = Meta(name='Aphex Twin',
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)
# >>> len({Artist(name='Name'), Artist(name='Name', mbid=<UUID4>)}) == 2
art00._Meta__mbid = None
self.assertTrue(len({art00, art02}) == 2,
'wrong: hash({!r}) == hash({!r})'.format(art00, art02))
# equivalent: self.assertTrue(hash(art00) != hash(art02))
# >>> len({Artist(name='Name'), Artist(name='Name')}) == 1
art00._Meta__mbid = art02._Meta__mbid = None
# equivalent: self.assertTrue(hash(art00) == hash(art02))
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')
art01 = Meta(name='Aphex Twin',)
art02 = Meta(name='Some Other Name not even close, avoid fuzzy match',
mbid='f22942a1-6f70-4f48-866e-238cb2308fbd')
art10 = Meta(name='Aphex Twin',
mbid='d22942a1-6f70-4f48-866e-238cb2308fbd')
# testing name/mbid == name/None
self.assertTrue(art00 == art01, 'wrong: %r != %r' % (art00, art01))
# testing name/mbid == other_name/mbid
self.assertTrue(art00 == art02, 'wrong: %r != %r' % (art00, art02))
# testing name/mbid != name/other_mbid
self.assertTrue(art00 != art10, 'wrong: %r == %r' % (art00, art10))
# Testing name/None == name/None
art10._Meta__mbid = None
self.assertTrue(art01 == art10, 'wrong: %r != %r' % (art00, art01))
def test_mpd_serialization(self):
"""Controls serialization of names"""
name = "Heaven's Door"
heavens_door = Meta(name=name)
target = r"Heaven\'s Door"
self.assertEqual(heavens_door.name_sz, target)
self.assertEqual(heavens_door.name, name)
self.assertEqual(heavens_door.names_sz, {target})
heavens_door.add_alias(name+" LP")
self.assertEqual(heavens_door.aliases_sz, {target+" LP"})
# Controls inheritance
heavens_door = Album(name=name)
self.assertEqual(heavens_door.name_sz, target)
heavens_door = Artist(name=name)
self.assertEqual(heavens_door.name_sz, target)
# Same with double quote
name = 'Bonnie "Prince" Billy'
bonnie = Meta(name=name)
target = r"Bonnie \"Prince\" Billy"
self.assertEqual(bonnie.name_sz, target)
self.assertEqual(bonnie.name, name)
class TestArtistObject(unittest.TestCase):
def test_init(self):
artist = {'artist':
SEPARATOR.join(['Original Name', 'Featuring Nane', 'Feature…']),
'albumartist': 'Name',
'musicbrainz_artistid':
SEPARATOR.join([VALID, VALID.replace('0000', '1312')]),
}
art = Artist(**artist)
self.assertEqual(art.name, 'Original Name')
self.assertEqual(art.mbid, VALID)
self.assertEqual(art.albumartist, artist['albumartist'])
artist.pop('albumartist')
art = Artist(**artist)
self.assertEqual(art.name, 'Original Name')
self.assertEqual(art.albumartist, 'Original 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
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