cpython/Lib/test/test_iconv_codecs.py

100 lines
3.8 KiB
Python

from test import test_support
import unittest, sys
import codecs, _iconv_codec
from encodings import iconv_codec
from StringIO import StringIO
class IconvCodecTest(unittest.TestCase):
if sys.byteorder == 'big':
spam = '\x00s\x00p\x00a\x00m' * 2
else:
spam = 's\x00p\x00a\x00m\x00' * 2
def test_sane(self):
# FIXME: Commented out, because it's not clear whether
# the internal encoding choosen requires byte swapping
# for this iconv() implementation.
if False:
self.encoder, self.decoder, self.reader, self.writer = \
codecs.lookup(_iconv_codec.internal_encoding)
self.assertEqual(self.decoder(self.spam), (u'spamspam', 16))
self.assertEqual(self.encoder(u'spamspam'), (self.spam, 8))
self.assertEqual(self.reader(StringIO(self.spam)).read(), u'spamspam')
f = StringIO()
self.writer(f).write(u'spamspam')
self.assertEqual(f.getvalue(), self.spam)
def test_basic_errors(self):
self.encoder, self.decoder, self.reader, self.writer = \
iconv_codec.lookup("ascii")
def testencerror(errors):
return self.encoder(u'sp\ufffdam', errors)
def testdecerror(errors):
return self.decoder('sp\xffam', errors)
self.assertRaises(UnicodeEncodeError, testencerror, 'strict')
self.assertRaises(UnicodeDecodeError, testdecerror, 'strict')
self.assertEqual(testencerror('replace'), ('sp?am', 5))
self.assertEqual(testdecerror('replace'), (u'sp\ufffdam', 5))
self.assertEqual(testencerror('ignore'), ('spam', 5))
self.assertEqual(testdecerror('ignore'), (u'spam', 5))
def test_pep293_errors(self):
self.encoder, self.decoder, self.reader, self.writer = \
iconv_codec.lookup("ascii")
def testencerror(errors):
return self.encoder(u'sp\ufffdam', errors)
def testdecerror(errors):
return self.decoder('sp\xffam', errors)
self.assertEqual(testencerror('xmlcharrefreplace'),
('sp�am', 5))
self.assertEqual(testencerror('backslashreplace'),
('sp\\ufffdam', 5))
def error_bomb(exc):
return (u'*'*40, len(exc.object))
def error_mock(exc):
error_mock.lastexc = exc
return (unicode(exc.object[exc.start - 1]), exc.end)
codecs.register_error('test_iconv_codec.bomb', error_bomb)
codecs.register_error('test_iconv_codec.mock', error_mock)
self.assertEqual(testencerror('test_iconv_codec.bomb'),
('sp' + ('*'*40), 5))
self.assertEqual(testdecerror('test_iconv_codec.bomb'),
(u'sp' + (u'*'*40), 5))
self.assertEqual(testencerror('test_iconv_codec.mock'), ('sppam', 5))
exc = error_mock.lastexc
self.assertEqual(exc.object, u'sp\ufffdam')
self.assertEqual(exc.start, 2)
self.assertEqual(exc.end, 3)
self.assert_(isinstance(exc, UnicodeEncodeError))
self.assertEqual(testdecerror('test_iconv_codec.mock'), (u'sppam', 5))
exc = error_mock.lastexc
self.assertEqual(exc.object, 'sp\xffam')
self.assertEqual(exc.start, 2)
self.assertEqual(exc.end, 3)
self.assert_(isinstance(exc, UnicodeDecodeError))
def test_empty_escape_decode(self):
self.encoder, self.decoder, self.reader, self.writer = \
iconv_codec.lookup("ascii")
self.assertEquals(self.decoder(u""), ("", 0))
self.assertEquals(self.encoder(""), (u"", 0))
def test_main():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(IconvCodecTest))
test_support.run_suite(suite)
if __name__ == "__main__":
test_main()
# ex: ts=8 sts=4 et