/usr/lib/python3.5/test/test_multibytecodec.py is in libpython3.5-testsuite 3.5.1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 | #
# 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_errorcallback_custom_ignore(self):
# Issue #23215: MemoryError with custom error handlers and multibyte codecs
data = 100 * "\udc00"
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):
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 code points. 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()
|