mirror of
https://github.com/python/cpython.git
synced 2024-12-26 10:14:58 +08:00
265 lines
9.8 KiB
Python
265 lines
9.8 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# test_multibytecodec.py
|
|
# Unit test for multibytecodec itself
|
|
#
|
|
|
|
from test import support
|
|
from test.support import TESTFN
|
|
import unittest, io, 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(b''.decode(enc), '')
|
|
self.assertEqual(str(b'', enc), '')
|
|
self.assertEqual(''.encode(enc), b'')
|
|
|
|
def test_str_decode(self):
|
|
for enc in ALL_CJKENCODINGS:
|
|
self.assertEqual('abcd'.encode(enc), b'abcd')
|
|
|
|
def test_errorcallback_longindex(self):
|
|
dec = codecs.getdecoder('euc-kr')
|
|
myreplace = lambda exc: ('', sys.maxsize+1)
|
|
codecs.register_error('test.cjktest', myreplace)
|
|
self.assertRaises(IndexError, dec,
|
|
b'apple\x92ham\x93spam', 'test.cjktest')
|
|
|
|
def test_codingspec(self):
|
|
try:
|
|
for enc in ALL_CJKENCODINGS:
|
|
code = '# coding: {}\n'.format(enc)
|
|
exec(code)
|
|
finally:
|
|
support.unlink(TESTFN)
|
|
|
|
def test_init_segfault(self):
|
|
# bug #3305: this used to segfault
|
|
self.assertRaises(AttributeError,
|
|
_multibytecodec.MultibyteStreamReader, None)
|
|
self.assertRaises(AttributeError,
|
|
_multibytecodec.MultibyteStreamWriter, None)
|
|
|
|
def test_decode_unicode(self):
|
|
# Trying to decode an unicode string should raise a TypeError
|
|
for enc in ALL_CJKENCODINGS:
|
|
self.assertRaises(TypeError, codecs.getdecoder(enc), "")
|
|
|
|
class Test_IncrementalEncoder(unittest.TestCase):
|
|
|
|
def test_stateless(self):
|
|
# cp949 encoder isn't stateful at all.
|
|
encoder = codecs.getincrementalencoder('cp949')()
|
|
self.assertEqual(encoder.encode('\ud30c\uc774\uc36c \ub9c8\uc744'),
|
|
b'\xc6\xc4\xc0\xcc\xbd\xe3 \xb8\xb6\xc0\xbb')
|
|
self.assertEqual(encoder.reset(), None)
|
|
self.assertEqual(encoder.encode('\u2606\u223c\u2606', True),
|
|
b'\xa1\xd9\xa1\xad\xa1\xd9')
|
|
self.assertEqual(encoder.reset(), None)
|
|
self.assertEqual(encoder.encode('', True), b'')
|
|
self.assertEqual(encoder.encode('', False), b'')
|
|
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('\u00e6\u0300'), b'\xab\xc4')
|
|
self.assertEqual(encoder.encode('\u00e6'), b'')
|
|
self.assertEqual(encoder.encode('\u0300'), b'\xab\xc4')
|
|
self.assertEqual(encoder.encode('\u00e6', True), b'\xa9\xdc')
|
|
|
|
self.assertEqual(encoder.reset(), None)
|
|
self.assertEqual(encoder.encode('\u0300'), b'\xab\xdc')
|
|
|
|
self.assertEqual(encoder.encode('\u00e6'), b'')
|
|
self.assertEqual(encoder.encode('', True), b'\xa9\xdc')
|
|
self.assertEqual(encoder.encode('', True), b'')
|
|
|
|
def test_stateful_keep_buffer(self):
|
|
encoder = codecs.getincrementalencoder('jisx0213')()
|
|
self.assertEqual(encoder.encode('\u00e6'), b'')
|
|
self.assertRaises(UnicodeEncodeError, encoder.encode, '\u0123')
|
|
self.assertEqual(encoder.encode('\u0300\u00e6'), b'\xab\xc4')
|
|
self.assertRaises(UnicodeEncodeError, encoder.encode, '\u0123')
|
|
self.assertEqual(encoder.reset(), None)
|
|
self.assertEqual(encoder.encode('\u0300'), b'\xab\xdc')
|
|
self.assertEqual(encoder.encode('\u00e6'), b'')
|
|
self.assertRaises(UnicodeEncodeError, encoder.encode, '\u0123')
|
|
self.assertEqual(encoder.encode('', True), b'\xa9\xdc')
|
|
|
|
def test_issue5640(self):
|
|
encoder = codecs.getincrementalencoder('shift-jis')('backslashreplace')
|
|
self.assertEqual(encoder.encode('\xff'), b'\\xff')
|
|
self.assertEqual(encoder.encode('\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(b'\xc6\xc4\xc0\xcc\xbd'),
|
|
'\ud30c\uc774')
|
|
self.assertEqual(decoder.decode(b'\xe3 \xb8\xb6\xc0\xbb'),
|
|
'\uc36c \ub9c8\uc744')
|
|
self.assertEqual(decoder.decode(b''), '')
|
|
|
|
def test_dbcs_keep_buffer(self):
|
|
decoder = codecs.getincrementaldecoder('cp949')()
|
|
self.assertEqual(decoder.decode(b'\xc6\xc4\xc0'), '\ud30c')
|
|
self.assertRaises(UnicodeDecodeError, decoder.decode, b'', True)
|
|
self.assertEqual(decoder.decode(b'\xcc'), '\uc774')
|
|
|
|
self.assertEqual(decoder.decode(b'\xc6\xc4\xc0'), '\ud30c')
|
|
self.assertRaises(UnicodeDecodeError, decoder.decode,
|
|
b'\xcc\xbd', True)
|
|
self.assertEqual(decoder.decode(b'\xcc'), '\uc774')
|
|
|
|
def test_iso2022(self):
|
|
decoder = codecs.getincrementaldecoder('iso2022-jp')()
|
|
ESC = b'\x1b'
|
|
self.assertEqual(decoder.decode(ESC + b'('), '')
|
|
self.assertEqual(decoder.decode(b'B', True), '')
|
|
self.assertEqual(decoder.decode(ESC + b'$'), '')
|
|
self.assertEqual(decoder.decode(b'B@$'), '\u4e16')
|
|
self.assertEqual(decoder.decode(b'@$@'), '\u4e16')
|
|
self.assertEqual(decoder.decode(b'$', True), '\u4e16')
|
|
self.assertEqual(decoder.reset(), None)
|
|
self.assertEqual(decoder.decode(b'@$'), '@$')
|
|
self.assertEqual(decoder.decode(ESC + b'$'), '')
|
|
self.assertRaises(UnicodeDecodeError, decoder.decode, b'', True)
|
|
self.assertEqual(decoder.decode(b'B@$'), '\u4e16')
|
|
|
|
def test_decode_unicode(self):
|
|
# Trying to decode an unicode string should raise a TypeError
|
|
for enc in ALL_CJKENCODINGS:
|
|
decoder = codecs.getincrementaldecoder(enc)()
|
|
self.assertRaises(TypeError, decoder.decode, "")
|
|
|
|
class Test_StreamReader(unittest.TestCase):
|
|
def test_bug1728403(self):
|
|
try:
|
|
f = open(TESTFN, 'wb')
|
|
try:
|
|
f.write(b'\xa1')
|
|
finally:
|
|
f.close()
|
|
f = codecs.open(TESTFN, encoding='cp949')
|
|
try:
|
|
self.assertRaises(UnicodeDecodeError, f.read, 2)
|
|
finally:
|
|
f.close()
|
|
finally:
|
|
support.unlink(TESTFN)
|
|
|
|
class Test_StreamWriter(unittest.TestCase):
|
|
def test_gb18030(self):
|
|
s= io.BytesIO()
|
|
c = codecs.getwriter('gb18030')(s)
|
|
c.write('123')
|
|
self.assertEqual(s.getvalue(), b'123')
|
|
c.write('\U00012345')
|
|
self.assertEqual(s.getvalue(), b'123\x907\x959')
|
|
c.write('\uac00\u00ac')
|
|
self.assertEqual(s.getvalue(),
|
|
b'123\x907\x959\x827\xcf5\x810\x851')
|
|
|
|
def test_utf_8(self):
|
|
s= io.BytesIO()
|
|
c = codecs.getwriter('utf-8')(s)
|
|
c.write('123')
|
|
self.assertEqual(s.getvalue(), b'123')
|
|
c.write('\U00012345')
|
|
self.assertEqual(s.getvalue(), b'123\xf0\x92\x8d\x85')
|
|
c.write('\uac00\u00ac')
|
|
self.assertEqual(s.getvalue(),
|
|
b'123\xf0\x92\x8d\x85'
|
|
b'\xea\xb0\x80\xc2\xac')
|
|
|
|
def test_streamwriter_strwrite(self):
|
|
s = io.BytesIO()
|
|
wr = codecs.getwriter('gb18030')(s)
|
|
wr.write('abcd')
|
|
self.assertEqual(s.getvalue(), b'abcd')
|
|
|
|
class Test_ISO2022(unittest.TestCase):
|
|
def test_g2(self):
|
|
iso2022jp2 = b'\x1b(B:hu4:unit\x1b.A\x1bNi de famille'
|
|
uni = ':hu4:unit\xe9 de famille'
|
|
self.assertEqual(iso2022jp2.decode('iso2022-jp-2'), uni)
|
|
|
|
def test_iso2022_jp_g0(self):
|
|
self.assertNotIn(b'\x0e', '\N{SOFT HYPHEN}'.encode('iso-2022-jp-2'))
|
|
for encoding in ('iso-2022-jp-2004', 'iso-2022-jp-3'):
|
|
e = '\u3406'.encode(encoding)
|
|
self.assertFalse(any(x > 0x80 for x in e))
|
|
|
|
def test_bug1572832(self):
|
|
for x in range(0x10000, 0x110000):
|
|
# Any ISO 2022 codec will cause the segfault
|
|
chr(x).encode('iso_2022_jp', 'ignore')
|
|
|
|
class TestStateful(unittest.TestCase):
|
|
text = '\u4E16\u4E16'
|
|
encoding = 'iso-2022-jp'
|
|
expected = b'\x1b$B@$@$'
|
|
reset = b'\x1b(B'
|
|
expected_reset = expected + reset
|
|
|
|
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)
|
|
self.assertEqual(encoder.encode('', final=True), self.reset)
|
|
self.assertEqual(encoder.encode('', final=True), b'')
|
|
|
|
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)
|
|
self.assertEqual(encoder.encode('', final=True), b'')
|
|
|
|
class TestHZStateful(TestStateful):
|
|
text = '\u804a\u804a'
|
|
encoding = 'hz'
|
|
expected = b'~{ADAD'
|
|
reset = b'~}'
|
|
expected_reset = expected + reset
|
|
|
|
def test_main():
|
|
support.run_unittest(__name__)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|