2022-09-17 15:26:13 +03:00
|
|
|
#
|
|
|
|
|
# multibytecodec_support.py
|
|
|
|
|
# Common Unittest Routines for CJK codecs
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
import codecs
|
|
|
|
|
import os
|
|
|
|
|
import re
|
|
|
|
|
import sys
|
|
|
|
|
import unittest
|
|
|
|
|
from http.client import HTTPException
|
|
|
|
|
from test import support
|
|
|
|
|
from io import BytesIO
|
|
|
|
|
|
|
|
|
|
class TestBase:
|
|
|
|
|
encoding = '' # codec name
|
|
|
|
|
codec = None # codec tuple (with 4 elements)
|
|
|
|
|
tstring = None # must set. 2 strings to test StreamReader
|
|
|
|
|
|
|
|
|
|
codectests = None # must set. codec test tuple
|
|
|
|
|
roundtriptest = 1 # set if roundtrip is possible with unicode
|
|
|
|
|
has_iso10646 = 0 # set if this encoding contains whole iso10646 map
|
|
|
|
|
xmlcharnametest = None # string to test xmlcharrefreplace
|
|
|
|
|
unmappedunicode = '\udeee' # a unicode code point that is not mapped.
|
|
|
|
|
|
|
|
|
|
def setUp(self):
|
|
|
|
|
if self.codec is None:
|
|
|
|
|
self.codec = codecs.lookup(self.encoding)
|
|
|
|
|
self.encode = self.codec.encode
|
|
|
|
|
self.decode = self.codec.decode
|
|
|
|
|
self.reader = self.codec.streamreader
|
|
|
|
|
self.writer = self.codec.streamwriter
|
|
|
|
|
self.incrementalencoder = self.codec.incrementalencoder
|
|
|
|
|
self.incrementaldecoder = self.codec.incrementaldecoder
|
|
|
|
|
|
|
|
|
|
def test_chunkcoding(self):
|
|
|
|
|
tstring_lines = []
|
|
|
|
|
for b in self.tstring:
|
|
|
|
|
lines = b.split(b"\n")
|
|
|
|
|
last = lines.pop()
|
|
|
|
|
assert last == b""
|
|
|
|
|
lines = [line + b"\n" for line in lines]
|
|
|
|
|
tstring_lines.append(lines)
|
|
|
|
|
for native, utf8 in zip(*tstring_lines):
|
|
|
|
|
u = self.decode(native)[0]
|
|
|
|
|
self.assertEqual(u, utf8.decode('utf-8'))
|
|
|
|
|
if self.roundtriptest:
|
|
|
|
|
self.assertEqual(native, self.encode(u)[0])
|
|
|
|
|
|
|
|
|
|
def test_errorhandle(self):
|
|
|
|
|
for source, scheme, expected in self.codectests:
|
|
|
|
|
if isinstance(source, bytes):
|
|
|
|
|
func = self.decode
|
|
|
|
|
else:
|
|
|
|
|
func = self.encode
|
|
|
|
|
if expected:
|
|
|
|
|
result = func(source, scheme)[0]
|
|
|
|
|
if func is self.decode:
|
|
|
|
|
self.assertTrue(type(result) is str, type(result))
|
|
|
|
|
self.assertEqual(result, expected,
|
|
|
|
|
'%a.decode(%r, %r)=%a != %a'
|
|
|
|
|
% (source, self.encoding, scheme, result,
|
|
|
|
|
expected))
|
|
|
|
|
else:
|
|
|
|
|
self.assertTrue(type(result) is bytes, type(result))
|
|
|
|
|
self.assertEqual(result, expected,
|
|
|
|
|
'%a.encode(%r, %r)=%a != %a'
|
|
|
|
|
% (source, self.encoding, scheme, result,
|
|
|
|
|
expected))
|
|
|
|
|
else:
|
|
|
|
|
self.assertRaises(UnicodeError, func, source, scheme)
|
|
|
|
|
|
|
|
|
|
def test_xmlcharrefreplace(self):
|
|
|
|
|
if self.has_iso10646:
|
|
|
|
|
self.skipTest('encoding contains full ISO 10646 map')
|
|
|
|
|
|
|
|
|
|
s = "\u0b13\u0b23\u0b60 nd eggs"
|
|
|
|
|
self.assertEqual(
|
|
|
|
|
self.encode(s, "xmlcharrefreplace")[0],
|
|
|
|
|
b"ଓଣୠ nd eggs"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def test_customreplace_encode(self):
|
|
|
|
|
if self.has_iso10646:
|
|
|
|
|
self.skipTest('encoding contains full ISO 10646 map')
|
|
|
|
|
|
|
|
|
|
from html.entities import codepoint2name
|
|
|
|
|
|
|
|
|
|
def xmlcharnamereplace(exc):
|
|
|
|
|
if not isinstance(exc, UnicodeEncodeError):
|
|
|
|
|
raise TypeError("don't know how to handle %r" % exc)
|
|
|
|
|
l = []
|
|
|
|
|
for c in exc.object[exc.start:exc.end]:
|
|
|
|
|
if ord(c) in codepoint2name:
|
|
|
|
|
l.append("&%s;" % codepoint2name[ord(c)])
|
|
|
|
|
else:
|
|
|
|
|
l.append("&#%d;" % ord(c))
|
|
|
|
|
return ("".join(l), exc.end)
|
|
|
|
|
|
|
|
|
|
codecs.register_error("test.xmlcharnamereplace", xmlcharnamereplace)
|
|
|
|
|
|
|
|
|
|
if self.xmlcharnametest:
|
|
|
|
|
sin, sout = self.xmlcharnametest
|
|
|
|
|
else:
|
|
|
|
|
sin = "\xab\u211c\xbb = \u2329\u1234\u232a"
|
|
|
|
|
sout = b"«ℜ» = ⟨ሴ⟩"
|
|
|
|
|
self.assertEqual(self.encode(sin,
|
|
|
|
|
"test.xmlcharnamereplace")[0], sout)
|
|
|
|
|
|
|
|
|
|
def test_callback_returns_bytes(self):
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
return (b"1234", exc.end)
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
enc = self.encode("abc" + self.unmappedunicode + "def", "test.cjktest")[0]
|
|
|
|
|
self.assertEqual(enc, b"abc1234def")
|
|
|
|
|
|
|
|
|
|
def test_callback_wrong_objects(self):
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
return (ret, exc.end)
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
|
|
|
|
|
for ret in ([1, 2, 3], [], None, object()):
|
|
|
|
|
self.assertRaises(TypeError, self.encode, self.unmappedunicode,
|
|
|
|
|
'test.cjktest')
|
|
|
|
|
|
|
|
|
|
def test_callback_long_index(self):
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
return ('x', int(exc.end))
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
self.assertEqual(self.encode('abcd' + self.unmappedunicode + 'efgh',
|
|
|
|
|
'test.cjktest'), (b'abcdxefgh', 9))
|
|
|
|
|
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
return ('x', sys.maxsize + 1)
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
self.assertRaises(IndexError, self.encode, self.unmappedunicode,
|
|
|
|
|
'test.cjktest')
|
|
|
|
|
|
|
|
|
|
def test_callback_None_index(self):
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
return ('x', None)
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
self.assertRaises(TypeError, self.encode, self.unmappedunicode,
|
|
|
|
|
'test.cjktest')
|
|
|
|
|
|
|
|
|
|
def test_callback_backward_index(self):
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
if myreplace.limit > 0:
|
|
|
|
|
myreplace.limit -= 1
|
|
|
|
|
return ('REPLACED', 0)
|
|
|
|
|
else:
|
|
|
|
|
return ('TERMINAL', exc.end)
|
|
|
|
|
myreplace.limit = 3
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
self.assertEqual(self.encode('abcd' + self.unmappedunicode + 'efgh',
|
|
|
|
|
'test.cjktest'),
|
|
|
|
|
(b'abcdREPLACEDabcdREPLACEDabcdREPLACEDabcdTERMINALefgh', 9))
|
|
|
|
|
|
|
|
|
|
def test_callback_forward_index(self):
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
return ('REPLACED', exc.end + 2)
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
self.assertEqual(self.encode('abcd' + self.unmappedunicode + 'efgh',
|
|
|
|
|
'test.cjktest'), (b'abcdREPLACEDgh', 9))
|
|
|
|
|
|
|
|
|
|
def test_callback_index_outofbound(self):
|
|
|
|
|
def myreplace(exc):
|
|
|
|
|
return ('TERM', 100)
|
|
|
|
|
codecs.register_error("test.cjktest", myreplace)
|
|
|
|
|
self.assertRaises(IndexError, self.encode, self.unmappedunicode,
|
|
|
|
|
'test.cjktest')
|
|
|
|
|
|
|
|
|
|
def test_incrementalencoder(self):
|
|
|
|
|
UTF8Reader = codecs.getreader('utf-8')
|
|
|
|
|
for sizehint in [None] + list(range(1, 33)) + \
|
|
|
|
|
[64, 128, 256, 512, 1024]:
|
|
|
|
|
istream = UTF8Reader(BytesIO(self.tstring[1]))
|
|
|
|
|
ostream = BytesIO()
|
|
|
|
|
encoder = self.incrementalencoder()
|
|
|
|
|
while 1:
|
|
|
|
|
if sizehint is not None:
|
|
|
|
|
data = istream.read(sizehint)
|
|
|
|
|
else:
|
|
|
|
|
data = istream.read()
|
|
|
|
|
|
|
|
|
|
if not data:
|
|
|
|
|
break
|
|
|
|
|
e = encoder.encode(data)
|
|
|
|
|
ostream.write(e)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(ostream.getvalue(), self.tstring[0])
|
|
|
|
|
|
|
|
|
|
def test_incrementaldecoder(self):
|
|
|
|
|
UTF8Writer = codecs.getwriter('utf-8')
|
|
|
|
|
for sizehint in [None, -1] + list(range(1, 33)) + \
|
|
|
|
|
[64, 128, 256, 512, 1024]:
|
|
|
|
|
istream = BytesIO(self.tstring[0])
|
|
|
|
|
ostream = UTF8Writer(BytesIO())
|
|
|
|
|
decoder = self.incrementaldecoder()
|
|
|
|
|
while 1:
|
|
|
|
|
data = istream.read(sizehint)
|
|
|
|
|
if not data:
|
|
|
|
|
break
|
|
|
|
|
else:
|
|
|
|
|
u = decoder.decode(data)
|
|
|
|
|
ostream.write(u)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(ostream.getvalue(), self.tstring[1])
|
|
|
|
|
|
|
|
|
|
def test_incrementalencoder_error_callback(self):
|
|
|
|
|
inv = self.unmappedunicode
|
|
|
|
|
|
|
|
|
|
e = self.incrementalencoder()
|
|
|
|
|
self.assertRaises(UnicodeEncodeError, e.encode, inv, True)
|
|
|
|
|
|
|
|
|
|
e.errors = 'ignore'
|
|
|
|
|
self.assertEqual(e.encode(inv, True), b'')
|
|
|
|
|
|
|
|
|
|
e.reset()
|
|
|
|
|
def tempreplace(exc):
|
|
|
|
|
return ('called', exc.end)
|
|
|
|
|
codecs.register_error('test.incremental_error_callback', tempreplace)
|
|
|
|
|
e.errors = 'test.incremental_error_callback'
|
|
|
|
|
self.assertEqual(e.encode(inv, True), b'called')
|
|
|
|
|
|
|
|
|
|
# again
|
|
|
|
|
e.errors = 'ignore'
|
|
|
|
|
self.assertEqual(e.encode(inv, True), b'')
|
|
|
|
|
|
|
|
|
|
def test_streamreader(self):
|
|
|
|
|
UTF8Writer = codecs.getwriter('utf-8')
|
|
|
|
|
for name in ["read", "readline", "readlines"]:
|
|
|
|
|
for sizehint in [None, -1] + list(range(1, 33)) + \
|
|
|
|
|
[64, 128, 256, 512, 1024]:
|
|
|
|
|
istream = self.reader(BytesIO(self.tstring[0]))
|
|
|
|
|
ostream = UTF8Writer(BytesIO())
|
|
|
|
|
func = getattr(istream, name)
|
|
|
|
|
while 1:
|
|
|
|
|
data = func(sizehint)
|
|
|
|
|
if not data:
|
|
|
|
|
break
|
|
|
|
|
if name == "readlines":
|
|
|
|
|
ostream.writelines(data)
|
|
|
|
|
else:
|
|
|
|
|
ostream.write(data)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(ostream.getvalue(), self.tstring[1])
|
|
|
|
|
|
|
|
|
|
def test_streamwriter(self):
|
|
|
|
|
readfuncs = ('read', 'readline', 'readlines')
|
|
|
|
|
UTF8Reader = codecs.getreader('utf-8')
|
|
|
|
|
for name in readfuncs:
|
|
|
|
|
for sizehint in [None] + list(range(1, 33)) + \
|
|
|
|
|
[64, 128, 256, 512, 1024]:
|
|
|
|
|
istream = UTF8Reader(BytesIO(self.tstring[1]))
|
|
|
|
|
ostream = self.writer(BytesIO())
|
|
|
|
|
func = getattr(istream, name)
|
|
|
|
|
while 1:
|
|
|
|
|
if sizehint is not None:
|
|
|
|
|
data = func(sizehint)
|
|
|
|
|
else:
|
|
|
|
|
data = func()
|
|
|
|
|
|
|
|
|
|
if not data:
|
|
|
|
|
break
|
|
|
|
|
if name == "readlines":
|
|
|
|
|
ostream.writelines(data)
|
|
|
|
|
else:
|
|
|
|
|
ostream.write(data)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(ostream.getvalue(), self.tstring[0])
|
|
|
|
|
|
|
|
|
|
def test_streamwriter_reset_no_pending(self):
|
|
|
|
|
# Issue #23247: Calling reset() on a fresh StreamWriter instance
|
|
|
|
|
# (without pending data) must not crash
|
|
|
|
|
stream = BytesIO()
|
|
|
|
|
writer = self.writer(stream)
|
|
|
|
|
writer.reset()
|
|
|
|
|
|
|
|
|
|
def test_incrementalencoder_del_segfault(self):
|
|
|
|
|
e = self.incrementalencoder()
|
|
|
|
|
with self.assertRaises(AttributeError):
|
|
|
|
|
del e.errors
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class TestBase_Mapping(unittest.TestCase):
|
|
|
|
|
pass_enctest = []
|
|
|
|
|
pass_dectest = []
|
|
|
|
|
supmaps = []
|
|
|
|
|
codectests = []
|
|
|
|
|
|
|
|
|
|
def setUp(self):
|
|
|
|
|
try:
|
|
|
|
|
self.open_mapping_file().close() # test it to report the error early
|
|
|
|
|
except (OSError, HTTPException):
|
|
|
|
|
self.skipTest("Could not retrieve "+self.mapfileurl)
|
|
|
|
|
|
|
|
|
|
def open_mapping_file(self):
|
2022-10-09 16:27:10 +03:00
|
|
|
return support.open_urlresource(self.mapfileurl, encoding="utf-8")
|
2022-09-17 15:26:13 +03:00
|
|
|
|
|
|
|
|
def test_mapping_file(self):
|
|
|
|
|
if self.mapfileurl.endswith('.xml'):
|
|
|
|
|
self._test_mapping_file_ucm()
|
|
|
|
|
else:
|
|
|
|
|
self._test_mapping_file_plain()
|
|
|
|
|
|
|
|
|
|
def _test_mapping_file_plain(self):
|
|
|
|
|
def unichrs(s):
|
|
|
|
|
return ''.join(chr(int(x, 16)) for x in s.split('+'))
|
|
|
|
|
|
|
|
|
|
urt_wa = {}
|
|
|
|
|
|
|
|
|
|
with self.open_mapping_file() as f:
|
|
|
|
|
for line in f:
|
|
|
|
|
if not line:
|
|
|
|
|
break
|
|
|
|
|
data = line.split('#')[0].split()
|
|
|
|
|
if len(data) != 2:
|
|
|
|
|
continue
|
|
|
|
|
|
|
|
|
|
if data[0][:2] != '0x':
|
|
|
|
|
self.fail(f"Invalid line: {line!r}")
|
|
|
|
|
csetch = bytes.fromhex(data[0][2:])
|
|
|
|
|
if len(csetch) == 1 and 0x80 <= csetch[0]:
|
|
|
|
|
continue
|
|
|
|
|
|
|
|
|
|
unich = unichrs(data[1])
|
|
|
|
|
if ord(unich) == 0xfffd or unich in urt_wa:
|
|
|
|
|
continue
|
|
|
|
|
urt_wa[unich] = csetch
|
|
|
|
|
|
|
|
|
|
self._testpoint(csetch, unich)
|
|
|
|
|
|
|
|
|
|
def _test_mapping_file_ucm(self):
|
|
|
|
|
with self.open_mapping_file() as f:
|
|
|
|
|
ucmdata = f.read()
|
|
|
|
|
uc = re.findall('<a u="([A-F0-9]{4})" b="([0-9A-F ]+)"/>', ucmdata)
|
|
|
|
|
for uni, coded in uc:
|
|
|
|
|
unich = chr(int(uni, 16))
|
|
|
|
|
codech = bytes.fromhex(coded)
|
|
|
|
|
self._testpoint(codech, unich)
|
|
|
|
|
|
|
|
|
|
def test_mapping_supplemental(self):
|
|
|
|
|
for mapping in self.supmaps:
|
|
|
|
|
self._testpoint(*mapping)
|
|
|
|
|
|
|
|
|
|
def _testpoint(self, csetch, unich):
|
|
|
|
|
if (csetch, unich) not in self.pass_enctest:
|
|
|
|
|
self.assertEqual(unich.encode(self.encoding), csetch)
|
|
|
|
|
if (csetch, unich) not in self.pass_dectest:
|
|
|
|
|
self.assertEqual(str(csetch, self.encoding), unich)
|
|
|
|
|
|
|
|
|
|
def test_errorhandle(self):
|
|
|
|
|
for source, scheme, expected in self.codectests:
|
|
|
|
|
if isinstance(source, bytes):
|
|
|
|
|
func = source.decode
|
|
|
|
|
else:
|
|
|
|
|
func = source.encode
|
|
|
|
|
if expected:
|
|
|
|
|
if isinstance(source, bytes):
|
|
|
|
|
result = func(self.encoding, scheme)
|
|
|
|
|
self.assertTrue(type(result) is str, type(result))
|
|
|
|
|
self.assertEqual(result, expected,
|
|
|
|
|
'%a.decode(%r, %r)=%a != %a'
|
|
|
|
|
% (source, self.encoding, scheme, result,
|
|
|
|
|
expected))
|
|
|
|
|
else:
|
|
|
|
|
result = func(self.encoding, scheme)
|
|
|
|
|
self.assertTrue(type(result) is bytes, type(result))
|
|
|
|
|
self.assertEqual(result, expected,
|
|
|
|
|
'%a.encode(%r, %r)=%a != %a'
|
|
|
|
|
% (source, self.encoding, scheme, result,
|
|
|
|
|
expected))
|
|
|
|
|
else:
|
|
|
|
|
self.assertRaises(UnicodeError, func, self.encoding, scheme)
|
|
|
|
|
|
|
|
|
|
def load_teststring(name):
|
|
|
|
|
dir = os.path.join(os.path.dirname(__file__), 'cjkencodings')
|
|
|
|
|
with open(os.path.join(dir, name + '.txt'), 'rb') as f:
|
|
|
|
|
encoded = f.read()
|
|
|
|
|
with open(os.path.join(dir, name + '-utf8.txt'), 'rb') as f:
|
|
|
|
|
utf8 = f.read()
|
|
|
|
|
return encoded, utf8
|
