1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
|
import unittest
import codecs
import precis_i18n.codec
class TestCodec(unittest.TestCase):
def test_encode(self):
self.assertEqual('Juliet'.encode('UsernameCasePreserved'), b'Juliet')
self.assertEqual('Juliet'.encode('UsernameCaseMapped'), b'juliet')
self.assertEqual(' pass \u1FBF\u3000'.encode('OpaqueString'),
b' pass \xe1\xbe\xbf ')
self.assertEqual(' Juliet '.encode('NicknameCaseMapped'), b'juliet')
self.assertEqual('Juliet'.encode('IdentifierClass'), b'Juliet')
self.assertEqual('Juliet'.encode('FreeFormClass'), b'Juliet')
def test_decode(self):
with self.assertRaises(NotImplementedError):
b'Juliet'.decode('UsernameCasePreserved')
def test_encode_errors(self):
# errors must be 'strict'; 'replace' and others are not supported.
with self.assertRaises(ValueError):
'Juliet'.encode('opaquestring', errors='replace')
# non-matching codec names shouldn't work.
with self.assertRaises(LookupError) as cm:
'Juliet'.encode('opaquestring_nonexistant')
# Exception must be LookupError (not KeyError or IndexError).
self.assertIs(type(cm.exception), LookupError)
def test_search_function(self):
_search = precis_i18n.codec.search
# Check search function result.
codec_info = _search('usernamecasepreserved')
self.assertIsInstance(codec_info, codecs.CodecInfo)
# Search function must return None for non-existant codec.
codec_info = _search('opaquestring_nonexistant')
self.assertIs(codec_info, None)
|