| # test_multibytecodec.py |
| # Unit test for multibytecodec itself |
| # |
| |
| from test import test_support |
| from test.test_support import TESTFN |
| import unittest, StringIO, codecs, sys, os |
| import _multibytecodec |
| |
| 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_errorcallback_custom_ignore(self): |
| # Issue #23215: MemoryError with custom error handlers and multibyte codecs |
| data = 100 * unichr(0xdc00) |
| codecs.register_error("test.ignore", codecs.ignore_errors) |
| for enc in ALL_CJKENCODINGS: |
| self.assertEqual(data.encode(enc, "test.ignore"), b'') |
| |
| def test_codingspec(self): |
| for enc in ALL_CJKENCODINGS: |
| code = '# coding: {}\n'.format(enc) |
| exec code |
| |
| def test_init_segfault(self): |
| # bug #3305: this used to segfault |
| self.assertRaises(AttributeError, |
| _multibytecodec.MultibyteStreamReader, None) |
| self.assertRaises(AttributeError, |
| _multibytecodec.MultibyteStreamWriter, None) |
| |
| |
| 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 code points. 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') |
| |
| def test_issue5640(self): |
| encoder = codecs.getincrementalencoder('shift-jis')('backslashreplace') |
| self.assertEqual(encoder.encode(u'\xff'), b'\\xff') |
| self.assertEqual(encoder.encode(u'\n'), b'\n') |
| |
| 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_StreamReader(unittest.TestCase): |
| def test_bug1728403(self): |
| try: |
| open(TESTFN, 'w').write('\xa1') |
| f = codecs.open(TESTFN, encoding='cp949') |
| self.assertRaises(UnicodeDecodeError, f.read, 2) |
| finally: |
| try: f.close() |
| except: pass |
| os.unlink(TESTFN) |
| |
| class Test_StreamWriter(unittest.TestCase): |
| @unittest.skipUnless(len(u'\U00012345') == 2, 'need a narrow build') |
| 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') |
| |
| @unittest.skipUnless(len(u'\U00012345') == 2, 'need a narrow build') |
| 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') |
| |
| 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.assertNotIn('\x0e', 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.assertFalse(filter(lambda x: x >= '\x80', e)) |
| |
| def test_bug1572832(self): |
| if sys.maxunicode >= 0x10000: |
| myunichr = unichr |
| else: |
| myunichr = lambda x: unichr(0xD7C0+(x>>10)) + unichr(0xDC00+(x&0x3FF)) |
| |
| for x in xrange(0x10000, 0x110000): |
| # Any ISO 2022 codec will cause the segfault |
| myunichr(x).encode('iso_2022_jp', 'ignore') |
| |
| class TestStateful(unittest.TestCase): |
| text = u'\u4E16\u4E16' |
| encoding = 'iso-2022-jp' |
| expected = b'\x1b$B@$@$' |
| expected_reset = b'\x1b$B@$@$\x1b(B' |
| |
| def test_encode(self): |
| self.assertEqual(self.text.encode(self.encoding), self.expected_reset) |
| |
| def test_incrementalencoder(self): |
| encoder = codecs.getincrementalencoder(self.encoding)() |
| output = b''.join( |
| encoder.encode(char) |
| for char in self.text) |
| self.assertEqual(output, self.expected) |
| |
| def test_incrementalencoder_final(self): |
| encoder = codecs.getincrementalencoder(self.encoding)() |
| last_index = len(self.text) - 1 |
| output = b''.join( |
| encoder.encode(char, index == last_index) |
| for index, char in enumerate(self.text)) |
| self.assertEqual(output, self.expected_reset) |
| |
| class TestHZStateful(TestStateful): |
| text = u'\u804a\u804a' |
| encoding = 'hz' |
| expected = b'~{ADAD' |
| expected_reset = b'~{ADAD~}' |
| |
| def test_main(): |
| test_support.run_unittest(__name__) |
| |
| if __name__ == "__main__": |
| test_main() |