#!/usr/bin/env python # # test_multibytecodec.py # Unit test for multibytecodec itself # from test import test_support from test import test_multibytecodec_support from test.test_support import TESTFN import unittest, StringIO, codecs, sys, os ALL_CJKENCODINGS = [ # _codecs_cn 'gb2312', 'gbk', 'gb18030', 'hz', # _codecs_hk 'big5hkscs', # _codecs_jp 'cp932', 'shift_jis', 'euc_jp', 'euc_jisx0213', 'shift_jisx0213', 'euc_jis_2004', 'shift_jis_2004', # _codecs_kr 'cp949', 'euc_kr', 'johab', # _codecs_tw 'big5', 'cp950', # _codecs_iso2022 'iso2022_jp', 'iso2022_jp_1', 'iso2022_jp_2', 'iso2022_jp_2004', 'iso2022_jp_3', 'iso2022_jp_ext', 'iso2022_kr', ] class Test_MultibyteCodec(unittest.TestCase): def test_nullcoding(self): for enc in ALL_CJKENCODINGS: self.assertEqual(''.decode(enc), u'') self.assertEqual(unicode('', enc), u'') self.assertEqual(u''.encode(enc), '') def test_str_decode(self): for enc in ALL_CJKENCODINGS: self.assertEqual('abcd'.encode(enc), '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') def test_codingspec(self): try: for enc in ALL_CJKENCODINGS: print >> open(TESTFN, 'w'), '# coding:', enc exec open(TESTFN) finally: os.unlink(TESTFN) 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_iso2022_jp_g0(self): self.failIf('\x0e' in u'\N{SOFT HYPHEN}'.encode('iso-2022-jp-2')) for encoding in ('iso-2022-jp-2004', 'iso-2022-jp-3'): e = u'\u3406'.encode(encoding) self.failIf(filter(lambda x: x >= '\x80', e)) 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()