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#!/usr/bin/env python
#
# test_multibytecodec_support.py
# Common Unittest Routines for CJK codecs
#
# $CJKCodecs: test_multibytecodec_support.py,v 1.5 2004/01/17 12:47:19 perky Exp $
import sys, codecs, os.path
import unittest
from test import test_support
from StringIO import StringIO
__cjkcodecs__ = 0 # define this as 0 for python
class TestBase:
encoding = '' # codec name
codec = None # codec tuple (with 4 elements)
tstring = '' # string 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
def setUp(self):
if self.codec is None:
self.codec = codecs.lookup(self.encoding)
self.encode, self.decode, self.reader, self.writer = self.codec
def test_chunkcoding(self):
for native, utf8 in zip(*[StringIO(f).readlines()
for f in self.tstring]):
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 type(source) == type(''):
func = self.decode
else:
func = self.encode
if expected:
result = func(source, scheme)[0]
self.assertEqual(result, expected)
else:
self.assertRaises(UnicodeError, func, source, scheme)
if sys.hexversion >= 0x02030000:
def test_xmlcharrefreplace(self):
if self.has_iso10646:
return
s = u"\u0b13\u0b23\u0b60 nd eggs"
self.assertEqual(
self.encode(s, "xmlcharrefreplace")[0],
"ଓଣୠ nd eggs"
)
def test_customreplace(self):
if self.has_iso10646:
return
import htmlentitydefs
names = {}
for (key, value) in htmlentitydefs.entitydefs.items():
if len(value)==1:
names[value.decode('latin-1')] = self.decode(key)[0]
else:
names[unichr(int(value[2:-1]))] = self.decode(key)[0]
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]:
try:
l.append(u"&%s;" % names[c])
except KeyError:
l.append(u"&#%d;" % ord(c))
return (u"".join(l), exc.end)
codecs.register_error(
"test.xmlcharnamereplace", xmlcharnamereplace)
if self.xmlcharnametest:
sin, sout = self.xmlcharnametest
else:
sin = u"\xab\u211c\xbb = \u2329\u1234\u232a"
sout = "«ℜ» = ⟨ሴ⟩"
self.assertEqual(self.encode(sin,
"test.xmlcharnamereplace")[0], sout)
def test_streamreader(self):
UTF8Writer = codecs.getwriter('utf-8')
for name in ["read", "readline", "readlines"]:
for sizehint in [None, -1] + range(1, 33) + \
[64, 128, 256, 512, 1024]:
istream = self.reader(StringIO(self.tstring[0]))
ostream = UTF8Writer(StringIO())
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):
if __cjkcodecs__:
readfuncs = ('read', 'readline', 'readlines')
else:
# standard utf8 codec has broken readline and readlines.
readfuncs = ('read',)
UTF8Reader = codecs.getreader('utf-8')
for name in readfuncs:
for sizehint in [None] + range(1, 33) + \
[64, 128, 256, 512, 1024]:
istream = UTF8Reader(StringIO(self.tstring[1]))
ostream = self.writer(StringIO())
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])
if len(u'\U00012345') == 2: # ucs2 build
_unichr = unichr
def unichr(v):
if v >= 0x10000:
return _unichr(0xd800 + ((v - 0x10000) >> 10)) + \
_unichr(0xdc00 + ((v - 0x10000) & 0x3ff))
else:
return _unichr(v)
_ord = ord
def ord(c):
if len(c) == 2:
return 0x10000 + ((_ord(c[0]) - 0xd800) << 10) + \
(ord(c[1]) - 0xdc00)
else:
return _ord(c)
class TestBase_Mapping(unittest.TestCase):
pass_enctest = []
pass_dectest = []
supmaps = []
def __init__(self, *args, **kw):
unittest.TestCase.__init__(self, *args, **kw)
if not os.path.exists(self.mapfilename):
parent = os.path.join(os.pardir, self.mapfilename)
if not os.path.exists(parent):
format = '%s not found, download from %s'
raise test_support.TestSkipped(format %
(self.mapfilename, self.mapfileurl))
else:
self.mapfilename = parent
def test_mapping_file(self):
unichrs = lambda s: u''.join(map(unichr, map(eval, s.split('+'))))
urt_wa = {}
for line in open(self.mapfilename):
if not line:
break
data = line.split('#')[0].strip().split()
if len(data) != 2:
continue
csetval = eval(data[0])
if csetval <= 0x7F:
csetch = chr(csetval & 0xff)
elif csetval >= 0x1000000:
csetch = chr(csetval >> 24) + chr((csetval >> 16) & 0xff) + \
chr((csetval >> 8) & 0xff) + chr(csetval & 0xff)
elif csetval >= 0x10000:
csetch = chr(csetval >> 16) + \
chr((csetval >> 8) & 0xff) + chr(csetval & 0xff)
elif csetval >= 0x100:
csetch = chr(csetval >> 8) + chr(csetval & 0xff)
else:
continue
unich = unichrs(data[1])
if ord(unich) == 0xfffd or urt_wa.has_key(unich):
continue
urt_wa[unich] = csetch
self._testpoint(csetch, 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(unicode(csetch, self.encoding), unich)
def load_teststring(encoding):
if __cjkcodecs__:
etxt = open(os.path.join('sampletexts', encoding) + '.txt').read()
utxt = open(os.path.join('sampletexts', encoding) + '.utf8').read()
return (etxt, utxt)
else:
from test import cjkencodings_test
return cjkencodings_test.teststring[encoding]
def register_skip_expected(*cases):
for case in cases: # len(cases) must be 1 at least.
for path in [os.path.curdir, os.path.pardir]:
fn = os.path.join(path, case.mapfilename)
if os.path.exists(fn):
case.mapfilename = fn
break
else:
sys.modules[case.__module__].skip_expected = True
break
else:
sys.modules[case.__module__].skip_expected = False
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