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#!/usr/bin/env python
#
# test_multibytecodec.py
# Unit test for multibytecodec itself
#
# $CJKCodecs: test_multibytecodec.py,v 1.8 2004/06/19 06:09:55 perky Exp $
from test import test_support
from test import test_multibytecodec_support
import unittest, StringIO, codecs
class Test_StreamWriter(unittest.TestCase):
if len(u'\U00012345') == 2: # UCS2
def test_gb18030(self):
s= StringIO.StringIO()
c = codecs.lookup('gb18030')[3](s)
c.write(u'123')
self.assertEqual(s.getvalue(), '123')
c.write(u'\U00012345')
self.assertEqual(s.getvalue(), '123\x907\x959')
c.write(u'\U00012345'[0])
self.assertEqual(s.getvalue(), '123\x907\x959')
c.write(u'\U00012345'[1] + u'\U00012345' + u'\uac00\u00ac')
self.assertEqual(s.getvalue(),
'123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851')
c.write(u'\U00012345'[0])
self.assertEqual(s.getvalue(),
'123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851')
self.assertRaises(UnicodeError, c.reset)
self.assertEqual(s.getvalue(),
'123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851')
# standard utf-8 codecs has broken StreamReader
if test_multibytecodec_support.__cjkcodecs__:
def test_utf_8(self):
s= StringIO.StringIO()
c = codecs.lookup('utf-8')[3](s)
c.write(u'123')
self.assertEqual(s.getvalue(), '123')
c.write(u'\U00012345')
self.assertEqual(s.getvalue(), '123\xf0\x92\x8d\x85')
c.write(u'\U00012345'[0])
self.assertEqual(s.getvalue(), '123\xf0\x92\x8d\x85')
c.write(u'\U00012345'[1] + u'\U00012345' + u'\uac00\u00ac')
self.assertEqual(s.getvalue(),
'123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
'\xea\xb0\x80\xc2\xac')
c.write(u'\U00012345'[0])
self.assertEqual(s.getvalue(),
'123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
'\xea\xb0\x80\xc2\xac')
c.reset()
self.assertEqual(s.getvalue(),
'123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
'\xea\xb0\x80\xc2\xac\xed\xa0\x88')
c.write(u'\U00012345'[1])
self.assertEqual(s.getvalue(),
'123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
'\xea\xb0\x80\xc2\xac\xed\xa0\x88\xed\xbd\x85')
else: # UCS4
pass
def test_nullcoding(self):
self.assertEqual(''.decode('gb18030'), u'')
self.assertEqual(unicode('', 'gb18030'), u'')
self.assertEqual(u''.encode('gb18030'), '')
def test_str_decode(self):
self.assertEqual('abcd'.encode('gb18030'), 'abcd')
def test_streamwriter_strwrite(self):
s = StringIO.StringIO()
wr = codecs.getwriter('gb18030')(s)
wr.write('abcd')
self.assertEqual(s.getvalue(), 'abcd')
def test_main():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(Test_StreamWriter))
test_support.run_suite(suite)
if __name__ == "__main__":
test_main()
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