| #!/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, sys |
| |
| class Test_MultibyteCodec(unittest.TestCase): |
| |
| 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_errorcallback_longindex(self): |
| dec = codecs.getdecoder('euc-kr') |
| myreplace = lambda exc: (u'', sys.maxint+1) |
| codecs.register_error('test.cjktest', myreplace) |
| self.assertRaises(IndexError, dec, |
| 'apple\x92ham\x93spam', 'test.cjktest') |
| |
| class Test_IncrementalEncoder(unittest.TestCase): |
| |
| def test_stateless(self): |
| # cp949 encoder isn't stateful at all. |
| encoder = codecs.getincrementalencoder('cp949')() |
| self.assertEqual(encoder.encode(u'\ud30c\uc774\uc36c \ub9c8\uc744'), |
| '\xc6\xc4\xc0\xcc\xbd\xe3 \xb8\xb6\xc0\xbb') |
| self.assertEqual(encoder.reset(), None) |
| self.assertEqual(encoder.encode(u'\u2606\u223c\u2606', True), |
| '\xa1\xd9\xa1\xad\xa1\xd9') |
| self.assertEqual(encoder.reset(), None) |
| self.assertEqual(encoder.encode(u'', True), '') |
| self.assertEqual(encoder.encode(u'', False), '') |
| self.assertEqual(encoder.reset(), None) |
| |
| def test_stateful(self): |
| # jisx0213 encoder is stateful for a few codepoints. eg) |
| # U+00E6 => A9DC |
| # U+00E6 U+0300 => ABC4 |
| # U+0300 => ABDC |
| |
| encoder = codecs.getincrementalencoder('jisx0213')() |
| self.assertEqual(encoder.encode(u'\u00e6\u0300'), '\xab\xc4') |
| self.assertEqual(encoder.encode(u'\u00e6'), '') |
| self.assertEqual(encoder.encode(u'\u0300'), '\xab\xc4') |
| self.assertEqual(encoder.encode(u'\u00e6', True), '\xa9\xdc') |
| |
| self.assertEqual(encoder.reset(), None) |
| self.assertEqual(encoder.encode(u'\u0300'), '\xab\xdc') |
| |
| self.assertEqual(encoder.encode(u'\u00e6'), '') |
| self.assertEqual(encoder.encode('', True), '\xa9\xdc') |
| self.assertEqual(encoder.encode('', True), '') |
| |
| def test_stateful_keep_buffer(self): |
| encoder = codecs.getincrementalencoder('jisx0213')() |
| self.assertEqual(encoder.encode(u'\u00e6'), '') |
| self.assertRaises(UnicodeEncodeError, encoder.encode, u'\u0123') |
| self.assertEqual(encoder.encode(u'\u0300\u00e6'), '\xab\xc4') |
| self.assertRaises(UnicodeEncodeError, encoder.encode, u'\u0123') |
| self.assertEqual(encoder.reset(), None) |
| self.assertEqual(encoder.encode(u'\u0300'), '\xab\xdc') |
| self.assertEqual(encoder.encode(u'\u00e6'), '') |
| self.assertRaises(UnicodeEncodeError, encoder.encode, u'\u0123') |
| self.assertEqual(encoder.encode(u'', True), '\xa9\xdc') |
| |
| |
| class Test_IncrementalDecoder(unittest.TestCase): |
| |
| def test_dbcs(self): |
| # cp949 decoder is simple with only 1 or 2 bytes sequences. |
| decoder = codecs.getincrementaldecoder('cp949')() |
| self.assertEqual(decoder.decode('\xc6\xc4\xc0\xcc\xbd'), |
| u'\ud30c\uc774') |
| self.assertEqual(decoder.decode('\xe3 \xb8\xb6\xc0\xbb'), |
| u'\uc36c \ub9c8\uc744') |
| self.assertEqual(decoder.decode(''), u'') |
| |
| def test_dbcs_keep_buffer(self): |
| decoder = codecs.getincrementaldecoder('cp949')() |
| self.assertEqual(decoder.decode('\xc6\xc4\xc0'), u'\ud30c') |
| self.assertRaises(UnicodeDecodeError, decoder.decode, '', True) |
| self.assertEqual(decoder.decode('\xcc'), u'\uc774') |
| |
| self.assertEqual(decoder.decode('\xc6\xc4\xc0'), u'\ud30c') |
| self.assertRaises(UnicodeDecodeError, decoder.decode, '\xcc\xbd', True) |
| self.assertEqual(decoder.decode('\xcc'), u'\uc774') |
| |
| def test_iso2022(self): |
| decoder = codecs.getincrementaldecoder('iso2022-jp')() |
| ESC = '\x1b' |
| self.assertEqual(decoder.decode(ESC + '('), u'') |
| self.assertEqual(decoder.decode('B', True), u'') |
| self.assertEqual(decoder.decode(ESC + '$'), u'') |
| self.assertEqual(decoder.decode('B@$'), u'\u4e16') |
| self.assertEqual(decoder.decode('@$@'), u'\u4e16') |
| self.assertEqual(decoder.decode('$', True), u'\u4e16') |
| self.assertEqual(decoder.reset(), None) |
| self.assertEqual(decoder.decode('@$'), u'@$') |
| self.assertEqual(decoder.decode(ESC + '$'), u'') |
| self.assertRaises(UnicodeDecodeError, decoder.decode, '', True) |
| self.assertEqual(decoder.decode('B@$'), u'\u4e16') |
| |
| |
| class Test_StreamWriter(unittest.TestCase): |
| if len(u'\U00012345') == 2: # UCS2 |
| def test_gb18030(self): |
| s= StringIO.StringIO() |
| c = codecs.getwriter('gb18030')(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') |
| |
| def test_utf_8(self): |
| s= StringIO.StringIO() |
| c = codecs.getwriter('utf-8')(s) |
| c.write(u'123') |
| self.assertEqual(s.getvalue(), '123') |
| c.write(u'\U00012345') |
| self.assertEqual(s.getvalue(), '123\xf0\x92\x8d\x85') |
| |
| # Python utf-8 codec can't buffer surrogate pairs yet. |
| if 0: |
| 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_streamwriter_strwrite(self): |
| s = StringIO.StringIO() |
| wr = codecs.getwriter('gb18030')(s) |
| wr.write('abcd') |
| self.assertEqual(s.getvalue(), 'abcd') |
| |
| class Test_ISO2022(unittest.TestCase): |
| def test_g2(self): |
| iso2022jp2 = '\x1b(B:hu4:unit\x1b.A\x1bNi de famille' |
| uni = u':hu4:unit\xe9 de famille' |
| self.assertEqual(iso2022jp2.decode('iso2022-jp-2'), uni) |
| |
| def test_main(): |
| suite = unittest.TestSuite() |
| suite.addTest(unittest.makeSuite(Test_MultibyteCodec)) |
| suite.addTest(unittest.makeSuite(Test_IncrementalEncoder)) |
| suite.addTest(unittest.makeSuite(Test_IncrementalDecoder)) |
| suite.addTest(unittest.makeSuite(Test_StreamWriter)) |
| suite.addTest(unittest.makeSuite(Test_ISO2022)) |
| test_support.run_suite(suite) |
| |
| if __name__ == "__main__": |
| test_main() |