from test import test_support
import unittest
import codecs
import locale
import sys, StringIO, _testcapi
def coding_checker(self, coder):
def check(input, expect):
self.assertEqual(coder(input), (expect, len(input)))
return check
class Queue(object):
"""
queue: write bytes at one end, read bytes from the other end
"""
def __init__(self):
self._buffer = ""
def write(self, chars):
self._buffer += chars
def read(self, size=-1):
if size<0:
s = self._buffer
self._buffer = ""
return s
else:
s = self._buffer[:size]
self._buffer = self._buffer[size:]
return s
class ReadTest(unittest.TestCase):
def check_partial(self, input, partialresults):
# get a StreamReader for the encoding and feed the bytestring version
# of input to the reader byte by byte. Read everything available from
# the StreamReader and check that the results equal the appropriate
# entries from partialresults.
q = Queue()
r = codecs.getreader(self.encoding)(q)
result = u""
for (c, partialresult) in zip(input.encode(self.encoding), partialresults):
q.write(c)
result += r.read()
self.assertEqual(result, partialresult)
# check that there's nothing left in the buffers
self.assertEqual(r.read(), u"")
self.assertEqual(r.bytebuffer, "")
self.assertEqual(r.charbuffer, u"")
# do the check again, this time using a incremental decoder
d = codecs.getincrementaldecoder(self.encoding)()
result = u""
for (c, partialresult) in zip(input.encode(self.encoding), partialresults):
result += d.decode(c)
self.assertEqual(result, partialresult)
# check that there's nothing left in the buffers
self.assertEqual(d.decode("", True), u"")
self.assertEqual(d.buffer, "")
# Check whether the reset method works properly
d.reset()
result = u""
for (c, partialresult) in zip(input.encode(self.encoding), partialresults):
result += d.decode(c)
self.assertEqual(result, partialresult)
# check that there's nothing left in the buffers
self.assertEqual(d.decode("", True), u"")
self.assertEqual(d.buffer, "")
# check iterdecode()
encoded = input.encode(self.encoding)
self.assertEqual(
input,
u"".join(codecs.iterdecode(encoded, self.encoding))
)
def test_readline(self):
def getreader(input):
stream = StringIO.StringIO(input.encode(self.encoding))
return codecs.getreader(self.encoding)(stream)
def readalllines(input, keepends=True, size=None):
reader = getreader(input)
lines = []
while True:
line = reader.readline(size=size, keepends=keepends)
if not line:
break
lines.append(line)
return "|".join(lines)
s = u"foo\nbar\r\nbaz\rspam\u2028eggs"
sexpected = u"foo\n|bar\r\n|baz\r|spam\u2028|eggs"
sexpectednoends = u"foo|bar|baz|spam|eggs"
self.assertEqual(readalllines(s, True), sexpected)
self.assertEqual(readalllines(s, False), sexpectednoends)
self.assertEqual(readalllines(s, True, 10), sexpected)
self.assertEqual(readalllines(s, False, 10), sexpectednoends)
# Test long lines (multiple calls to read() in readline())
vw = []
vwo = []
for (i, lineend) in enumerate(u"\n \r\n \r \u2028".split()):
vw.append((i*200)*u"\3042" + lineend)
vwo.append((i*200)*u"\3042")
self.assertEqual(readalllines("".join(vw), True), "".join(vw))
self.assertEqual(readalllines("".join(vw), False),"".join(vwo))
# Test lines where the first read might end with \r, so the
# reader has to look ahead whether this is a lone \r or a \r\n
for size in xrange(80):
for lineend in u"\n \r\n \r \u2028".split():
s = 10*(size*u"a" + lineend + u"xxx\n")
reader = getreader(s)
for i in xrange(10):
self.assertEqual(
reader.readline(keepends=True),
size*u"a" + lineend,
)
reader = getreader(s)
for i in xrange(10):
self.assertEqual(
reader.readline(keepends=False),
size*u"a",
)
def test_bug1175396(self):
s = [
'<%!--===================================================\r\n',
' BLOG index page: show recent articles,\r\n',
' today\'s articles, or articles of a specific date.\r\n',
'========================================================--%>\r\n',
'<%@inputencoding="ISO-8859-1"%>\r\n',
'<%@pagetemplate=TEMPLATE.y%>\r\n',
'<%@import=import frog.util, frog%>\r\n',
'<%@import=import frog.objects%>\r\n',
'<%@import=from frog.storageerrors import StorageError%>\r\n',
'<%\r\n',
'\r\n',
'import logging\r\n',
'log=logging.getLogger("Snakelets.logger")\r\n',
'\r\n',
'\r\n',
'user=self.SessionCtx.user\r\n',
'storageEngine=self.SessionCtx.storageEngine\r\n',
'\r\n',
'\r\n',
'def readArticlesFromDate(date, count=None):\r\n',
' entryids=storageEngine.listBlogEntries(date)\r\n',
' entryids.reverse() # descending\r\n',
' if count:\r\n',
' entryids=entryids[:count]\r\n',
' try:\r\n',
' return [ frog.objects.BlogEntry.load(storageEngine, date, Id) for Id in entryids ]\r\n',
' except StorageError,x:\r\n',
' log.error("Error loading articles: "+str(x))\r\n',
' self.abort("cannot load articles")\r\n',
'\r\n',
'showdate=None\r\n',
'\r\n',
'arg=self.Request.getArg()\r\n',
'if arg=="today":\r\n',
' #-------------------- TODAY\'S ARTICLES\r\n',
' self.write("<h2>Today\'s articles</h2>")\r\n',
' showdate = frog.util.isodatestr() \r\n',
' entries = readArticlesFromDate(showdate)\r\n',
'elif arg=="active":\r\n',
' #-------------------- ACTIVE ARTICLES redirect\r\n',
' self.Yredirect("active.y")\r\n',
'elif arg=="login":\r\n',
' #-------------------- LOGIN PAGE redirect\r\n',
' self.Yredirect("login.y")\r\n',
'elif arg=="date":\r\n',
' #-------------------- ARTICLES OF A SPECIFIC DATE\r\n',
' showdate = self.Request.getParameter("date")\r\n',
' self.write("<h2>Articles written on %s</h2>"% frog.util.mediumdatestr(showdate))\r\n',
' entries = readArticlesFromDate(showdate)\r\n',
'else:\r\n',
' #-------------------- RECENT ARTICLES\r\n',
' self.write("<h2>Recent articles</h2>")\r\n',
' dates=storageEngine.listBlogEntryDates()\r\n',
' if dates:\r\n',
' entries=[]\r\n',
' SHOWAMOUNT=10\r\n',
' for showdate in dates:\r\n',
' entries.extend( readArticlesFromDate(showdate, SHOWAMOUNT-len(entries)) )\r\n',
' if len(entries)>=SHOWAMOUNT:\r\n',
' break\r\n',
' \r\n',
]
stream = StringIO.StringIO("".join(s).encode(self.encoding))
reader = codecs.getreader(self.encoding)(stream)
for (i, line) in enumerate(reader):
self.assertEqual(line, s[i])
def test_readlinequeue(self):
q = Queue()
writer = codecs.getwriter(self.encoding)(q)
reader = codecs.getreader(self.encoding)(q)
# No lineends
writer.write(u"foo\r")
self.assertEqual(reader.readline(keepends=False), u"foo")
writer.write(u"\nbar\r")
self.assertEqual(reader.readline(keepends=False), u"")
self.assertEqual(reader.readline(keepends=False), u"bar")
writer.write(u"baz")
self.assertEqual(reader.readline(keepends=False), u"baz")
self.assertEqual(reader.readline(keepends=False), u"")
# Lineends
writer.write(u"foo\r")
self.assertEqual(reader.readline(keepends=True), u"foo\r")
writer.write(u"\nbar\r")
self.assertEqual(reader.readline(keepends=True), u"\n")
self.assertEqual(reader.readline(keepends=True), u"bar\r")
writer.write(u"baz")
self.assertEqual(reader.readline(keepends=True), u"baz")
self.assertEqual(reader.readline(keepends=True), u"")
writer.write(u"foo\r\n")
self.assertEqual(reader.readline(keepends=True), u"foo\r\n")
def test_bug1098990_a(self):
s1 = u"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy\r\n"
s2 = u"offending line: ladfj askldfj klasdj fskla dfzaskdj fasklfj laskd fjasklfzzzzaa%whereisthis!!!\r\n"
s3 = u"next line.\r\n"
s = (s1+s2+s3).encode(self.encoding)
stream = StringIO.StringIO(s)
reader = codecs.getreader(self.encoding)(stream)
self.assertEqual(reader.readline(), s1)
self.assertEqual(reader.readline(), s2)
self.assertEqual(reader.readline(), s3)
self.assertEqual(reader.readline(), u"")
def test_bug1098990_b(self):
s1 = u"aaaaaaaaaaaaaaaaaaaaaaaa\r\n"
s2 = u"bbbbbbbbbbbbbbbbbbbbbbbb\r\n"
s3 = u"stillokay:bbbbxx\r\n"
s4 = u"broken!!!!badbad\r\n"
s5 = u"againokay.\r\n"
s = (s1+s2+s3+s4+s5).encode(self.encoding)
stream = StringIO.StringIO(s)
reader = codecs.getreader(self.encoding)(stream)
self.assertEqual(reader.readline(), s1)
self.assertEqual(reader.readline(), s2)
self.assertEqual(reader.readline(), s3)
self.assertEqual(reader.readline(), s4)
self.assertEqual(reader.readline(), s5)
self.assertEqual(reader.readline(), u"")
class UTF32Test(ReadTest):
encoding = "utf-32"
spamle = ('\xff\xfe\x00\x00'
's\x00\x00\x00p\x00\x00\x00a\x00\x00\x00m\x00\x00\x00'
's\x00\x00\x00p\x00\x00\x00a\x00\x00\x00m\x00\x00\x00')
spambe = ('\x00\x00\xfe\xff'
'\x00\x00\x00s\x00\x00\x00p\x00\x00\x00a\x00\x00\x00m'
'\x00\x00\x00s\x00\x00\x00p\x00\x00\x00a\x00\x00\x00m')
def test_only_one_bom(self):
_,_,reader,writer = codecs.lookup(self.encoding)
# encode some stream
s = StringIO.StringIO()
f = writer(s)
f.write(u"spam")
f.write(u"spam")
d = s.getvalue()
# check whether there is exactly one BOM in it
self.assertTrue(d == self.spamle or d == self.spambe)
# try to read it back
s = StringIO.StringIO(d)
f = reader(s)
self.assertEqual(f.read(), u"spamspam")
def test_badbom(self):
s = StringIO.StringIO(4*"\xff")
f = codecs.getreader(self.encoding)(s)
self.assertRaises(UnicodeError, f.read)
s = StringIO.StringIO(8*"\xff")
f = codecs.getreader(self.encoding)(s)
self.assertRaises(UnicodeError, f.read)
def test_partial(self):
self.check_partial(
u"\x00\xff\u0100\uffff\U00010000",
[
u"", # first byte of BOM read
u"", # second byte of BOM read
u"", # third byte of BOM read
u"", # fourth byte of BOM read => byteorder known
u"",
u"",
u"",
u"\x00",
u"\x00",
u"\x00",
u"\x00",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff\U00010000",
]
)
def test_handlers(self):
self.assertEqual((u'\ufffd', 1),
codecs.utf_32_decode('\x01', 'replace', True))
self.assertEqual((u'', 1),
codecs.utf_32_decode('\x01', 'ignore', True))
def test_errors(self):
self.assertRaises(UnicodeDecodeError, codecs.utf_32_decode,
"\xff", "strict", True)
def test_issue8941(self):
# Issue #8941: insufficient result allocation when decoding into
# surrogate pairs on UCS-2 builds.
encoded_le = '\xff\xfe\x00\x00' + '\x00\x00\x01\x00' * 1024
self.assertEqual(u'\U00010000' * 1024,
codecs.utf_32_decode(encoded_le)[0])
encoded_be = '\x00\x00\xfe\xff' + '\x00\x01\x00\x00' * 1024
self.assertEqual(u'\U00010000' * 1024,
codecs.utf_32_decode(encoded_be)[0])
class UTF32LETest(ReadTest):
encoding = "utf-32-le"
def test_partial(self):
self.check_partial(
u"\x00\xff\u0100\uffff\U00010000",
[
u"",
u"",
u"",
u"\x00",
u"\x00",
u"\x00",
u"\x00",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff\U00010000",
]
)
def test_simple(self):
self.assertEqual(u"\U00010203".encode(self.encoding), "\x03\x02\x01\x00")
def test_errors(self):
self.assertRaises(UnicodeDecodeError, codecs.utf_32_le_decode,
"\xff", "strict", True)
def test_issue8941(self):
# Issue #8941: insufficient result allocation when decoding into
# surrogate pairs on UCS-2 builds.
encoded = '\x00\x00\x01\x00' * 1024
self.assertEqual(u'\U00010000' * 1024,
codecs.utf_32_le_decode(encoded)[0])
class UTF32BETest(ReadTest):
encoding = "utf-32-be"
def test_partial(self):
self.check_partial(
u"\x00\xff\u0100\uffff\U00010000",
[
u"",
u"",
u"",
u"\x00",
u"\x00",
u"\x00",
u"\x00",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff\U00010000",
]
)
def test_simple(self):
self.assertEqual(u"\U00010203".encode(self.encoding), "\x00\x01\x02\x03")
def test_errors(self):
self.assertRaises(UnicodeDecodeError, codecs.utf_32_be_decode,
"\xff", "strict", True)
def test_issue8941(self):
# Issue #8941: insufficient result allocation when decoding into
# surrogate pairs on UCS-2 builds.
encoded = '\x00\x01\x00\x00' * 1024
self.assertEqual(u'\U00010000' * 1024,
codecs.utf_32_be_decode(encoded)[0])
class UTF16Test(ReadTest):
encoding = "utf-16"
spamle = '\xff\xfes\x00p\x00a\x00m\x00s\x00p\x00a\x00m\x00'
spambe = '\xfe\xff\x00s\x00p\x00a\x00m\x00s\x00p\x00a\x00m'
def test_only_one_bom(self):
_,_,reader,writer = codecs.lookup(self.encoding)
# encode some stream
s = StringIO.StringIO()
f = writer(s)
f.write(u"spam")
f.write(u"spam")
d = s.getvalue()
# check whether there is exactly one BOM in it
self.assertTrue(d == self.spamle or d == self.spambe)
# try to read it back
s = StringIO.StringIO(d)
f = reader(s)
self.assertEqual(f.read(), u"spamspam")
def test_badbom(self):
s = StringIO.StringIO("\xff\xff")
f = codecs.getreader(self.encoding)(s)
self.assertRaises(UnicodeError, f.read)
s = StringIO.StringIO("\xff\xff\xff\xff")
f = codecs.getreader(self.encoding)(s)
self.assertRaises(UnicodeError, f.read)
def test_partial(self):
self.check_partial(
u"\x00\xff\u0100\uffff\U00010000",
[
u"", # first byte of BOM read
u"", # second byte of BOM read => byteorder known
u"",
u"\x00",
u"\x00",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff\U00010000",
]
)
def test_handlers(self):
self.assertEqual((u'\ufffd', 1),
codecs.utf_16_decode('\x01', 'replace', True))
self.assertEqual((u'', 1),
codecs.utf_16_decode('\x01', 'ignore', True))
def test_errors(self):
self.assertRaises(UnicodeDecodeError, codecs.utf_16_decode, "\xff", "strict", True)
def test_bug691291(self):
# Files are always opened in binary mode, even if no binary mode was
# specified. This means that no automatic conversion of '\n' is done
# on reading and writing.
s1 = u'Hello\r\nworld\r\n'
s = s1.encode(self.encoding)
self.addCleanup(test_support.unlink, test_support.TESTFN)
with open(test_support.TESTFN, 'wb') as fp:
fp.write(s)
with codecs.open(test_support.TESTFN, 'U', encoding=self.encoding) as reader:
self.assertEqual(reader.read(), s1)
class UTF16LETest(ReadTest):
encoding = "utf-16-le"
def test_partial(self):
self.check_partial(
u"\x00\xff\u0100\uffff\U00010000",
[
u"",
u"\x00",
u"\x00",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff\U00010000",
]
)
def test_errors(self):
tests = [
(b'\xff', u'\ufffd'),
(b'A\x00Z', u'A\ufffd'),
(b'A\x00B\x00C\x00D\x00Z', u'ABCD\ufffd'),
(b'\x00\xd8', u'\ufffd'),
(b'\x00\xd8A', u'\ufffd'),
(b'\x00\xd8A\x00', u'\ufffdA'),
(b'\x00\xdcA\x00', u'\ufffdA'),
]
for raw, expected in tests:
self.assertRaises(UnicodeDecodeError, codecs.utf_16_le_decode,
raw, 'strict', True)
self.assertEqual(raw.decode('utf-16le', 'replace'), expected)
class UTF16BETest(ReadTest):
encoding = "utf-16-be"
def test_partial(self):
self.check_partial(
u"\x00\xff\u0100\uffff\U00010000",
[
u"",
u"\x00",
u"\x00",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff\u0100",
u"\x00\xff\u0100",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff",
u"\x00\xff\u0100\uffff\U00010000",
]
)
def test_errors(self):
tests = [
(b'\xff', u'\ufffd'),
(b'\x00A\xff', u'A\ufffd'),
(b'\x00A\x00B\x00C\x00DZ', u'ABCD\ufffd'),
(b'\xd8\x00', u'\ufffd'),
(b'\xd8\x00\xdc', u'\ufffd'),
(b'\xd8\x00\x00A', u'\ufffdA'),
(b'\xdc\x00\x00A', u'\ufffdA'),
]
for raw, expected in tests:
self.assertRaises(UnicodeDecodeError, codecs.utf_16_be_decode,
raw, 'strict', True)
self.assertEqual(raw.decode('utf-16be', 'replace'), expected)
class UTF8Test(ReadTest):
encoding = "utf-8"
def test_partial(self):
self.check_partial(
u"\x00\xff\u07ff\u0800\uffff\U00010000",
[
u"\x00",
u"\x00",
u"\x00\xff",
u"\x00\xff",
u"\x00\xff\u07ff",
u"\x00\xff\u07ff",
u"\x00\xff\u07ff",
u"\x00\xff\u07ff\u0800",
u"\x00\xff\u07ff\u0800",
u"\x00\xff\u07ff\u0800",
u"\x00\xff\u07ff\u0800\uffff",
u"\x00\xff\u07ff\u0800\uffff",
u"\x00\xff\u07ff\u0800\uffff",
u"\x00\xff\u07ff\u0800\uffff",
u"\x00\xff\u07ff\u0800\uffff\U00010000",
]
)
class UTF7Test(ReadTest):
encoding = "utf-7"
def test_partial(self):
self.check_partial(
u"a+-b",
[
u"a",
u"a",
u"a+",
u"a+-",
u"a+-b",
]
)
class UTF16ExTest(unittest.TestCase):
def test_errors(self):
self.assertRaises(UnicodeDecodeError, codecs.utf_16_ex_decode, "\xff", "strict", 0, True)
def test_bad_args(self):
self.assertRaises(TypeError, codecs.utf_16_ex_decode)
class ReadBufferTest(unittest.TestCase):
def test_array(self):
import array
self.assertEqual(
codecs.readbuffer_encode(array.array("c", "spam")),
("spam", 4)
)
def test_empty(self):
self.assertEqual(codecs.readbuffer_encode(""), ("", 0))
def test_bad_args(self):
self.assertRaises(TypeError, codecs.readbuffer_encode)
self.assertRaises(TypeError, codecs.readbuffer_encode, 42)
class CharBufferTest(unittest.TestCase):
def test_string(self):
self.assertEqual(codecs.charbuffer_encode("spam"), ("spam", 4))
def test_empty(self):
self.assertEqual(codecs.charbuffer_encode(""), ("", 0))
def test_bad_args(self):
self.assertRaises(TypeError, codecs.charbuffer_encode)
self.assertRaises(TypeError, codecs.charbuffer_encode, 42)
class UTF8SigTest(ReadTest):
encoding = "utf-8-sig"
def test_partial(self):
self.check_partial(
u"\ufeff\x00\xff\u07ff\u0800\uffff\U00010000",
[
u"",
u"",
u"", # First BOM has been read and skipped
u"",
u"",
u"\ufeff", # Second BOM has been read and emitted
u"\ufeff\x00", # "\x00" read and emitted
u"\ufeff\x00", # First byte of encoded u"\xff" read
u"\ufeff\x00\xff", # Second byte of encoded u"\xff" read
u"\ufeff\x00\xff", # First byte of encoded u"\u07ff" read
u"\ufeff\x00\xff\u07ff", # Second byte of encoded u"\u07ff" read
u"\ufeff\x00\xff\u07ff",
u"\ufeff\x00\xff\u07ff",
u"\ufeff\x00\xff\u07ff\u0800",
u"\ufeff\x00\xff\u07ff\u0800",
u"\ufeff\x00\xff\u07ff\u0800",
u"\ufeff\x00\xff\u07ff\u0800\uffff",
u"\ufeff\x00\xff\u07ff\u0800\uffff",
u"\ufeff\x00\xff\u07ff\u0800\uffff",
u"\ufeff\x00\xff\u07ff\u0800\uffff",
u"\ufeff\x00\xff\u07ff\u0800\uffff\U00010000",
]
)
def test_bug1601501(self):
# SF bug #1601501: check that the codec works with a buffer
unicode("\xef\xbb\xbf", "utf-8-sig")
def test_bom(self):
d = codecs.getincrementaldecoder("utf-8-sig")()
s = u"spam"
self.assertEqual(d.decode(s.encode("utf-8-sig")), s)
def test_stream_bom(self):
unistring = u"ABC\u00A1\u2200XYZ"
bytestring = codecs.BOM_UTF8 + "ABC\xC2\xA1\xE2\x88\x80XYZ"
reader = codecs.getreader("utf-8-sig")
for sizehint in [None] + range(1, 11) + \
[64, 128, 256, 512, 1024]:
istream = reader(StringIO.StringIO(bytestring))
ostream = StringIO.StringIO()
while 1:
if sizehint is not None:
data = istream.read(sizehint)
else:
data = istream.read()
if not data:
break
ostream.write(data)
got = ostream.getvalue()
self.assertEqual(got, unistring)
def test_stream_bare(self):
unistring = u"ABC\u00A1\u2200XYZ"
bytestring = "ABC\xC2\xA1\xE2\x88\x80XYZ"
reader = codecs.getreader("utf-8-sig")
for sizehint in [None] + range(1, 11) + \
[64, 128, 256, 512, 1024]:
istream = reader(StringIO.StringIO(bytestring))
ostream = StringIO.StringIO()
while 1:
if sizehint is not None:
data = istream.read(sizehint)
else:
data = istream.read()
if not data:
break
ostream.write(data)
got = ostream.getvalue()
self.assertEqual(got, unistring)
class EscapeDecodeTest(unittest.TestCase):
def test_empty(self):
self.assertEqual(codecs.escape_decode(""), ("", 0))
def test_raw(self):
decode = codecs.escape_decode
for b in range(256):
b = chr(b)
if b != '\\':
self.assertEqual(decode(b + '0'), (b + '0', 2))
def test_escape(self):
decode = codecs.escape_decode
check = coding_checker(self, decode)
check(b"[\\\n]", b"[]")
check(br'[\"]', b'["]')
check(br"[\']", b"[']")
check(br"[\\]", br"[\]")
check(br"[\a]", b"[\x07]")
check(br"[\b]", b"[\x08]")
check(br"[\t]", b"[\x09]")
check(br"[\n]", b"[\x0a]")
check(br"[\v]", b"[\x0b]")
check(br"[\f]", b"[\x0c]")
check(br"[\r]", b"[\x0d]")
check(br"[\7]", b"[\x07]")
check(br"[\8]", br"[\8]")
check(br"[\78]", b"[\x078]")
check(br"[\41]", b"[!]")
check(br"[\418]", b"[!8]")
check(br"[\101]", b"[A]")
check(br"[\1010]", b"[A0]")
check(br"[\501]", b"[A]")
check(br"[\x41]", b"[A]")
check(br"[\X41]", br"[\X41]")
check(br"[\x410]", b"[A0]")
for b in range(256):
b = chr(b)
if b not in '\n"\'\\abtnvfr01234567x':
check('\\' + b, '\\' + b)
def test_errors(self):
decode = codecs.escape_decode
self.assertRaises(ValueError, decode, br"\x")
self.assertRaises(ValueError, decode, br"[\x]")
self.assertEqual(decode(br"[\x]\x", "ignore"), (b"[]", 6))
self.assertEqual(decode(br"[\x]\x", "replace"), (b"[?]?", 6))
self.assertRaises(ValueError, decode, br"\x0")
self.assertRaises(ValueError, decode, br"[\x0]")
self.assertEqual(decode(br"[\x0]\x0", "ignore"), (b"[]", 8))
self.assertEqual(decode(br"[\x0]\x0", "replace"), (b"[?]?", 8))
class RecodingTest(unittest.TestCase):
def test_recoding(self):
f = StringIO.StringIO()
f2 = codecs.EncodedFile(f, "unicode_internal", "utf-8")
f2.write(u"a")
f2.close()
# Python used to crash on this at exit because of a refcount
# bug in _codecsmodule.c
# From RFC 3492
punycode_testcases = [
# A Arabic (Egyptian):
(u"\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644"
u"\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F",
"egbpdaj6bu4bxfgehfvwxn"),
# B Chinese (simplified):
(u"\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587",
"ihqwcrb4cv8a8dqg056pqjye"),
# C Chinese (traditional):
(u"\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587",
"ihqwctvzc91f659drss3x8bo0yb"),
# D Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky
(u"\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074"
u"\u011B\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D"
u"\u0065\u0073\u006B\u0079",
"Proprostnemluvesky-uyb24dma41a"),
# E Hebrew:
(u"\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8"
u"\u05DC\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2"
u"\u05D1\u05E8\u05D9\u05EA",
"4dbcagdahymbxekheh6e0a7fei0b"),
# F Hindi (Devanagari):
(u"\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D"
u"\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939"
u"\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947"
u"\u0939\u0948\u0902",
"i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"),
#(G) Japanese (kanji and hiragana):
(u"\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092"
u"\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B",
"n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"),
# (H) Korean (Hangul syllables):
(u"\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774"
u"\uD55C\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74"
u"\uC5BC\uB9C8\uB098\uC88B\uC744\uAE4C",
"989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j"
"psd879ccm6fea98c"),
# (I) Russian (Cyrillic):
(u"\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E"
u"\u043D\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440"
u"\u044F\u0442\u043F\u043E\u0440\u0443\u0441\u0441\u043A"
u"\u0438",
"b1abfaaepdrnnbgefbaDotcwatmq2g4l"),
# (J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol
(u"\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070"
u"\u0075\u0065\u0064\u0065\u006E\u0073\u0069\u006D\u0070"
u"\u006C\u0065\u006D\u0065\u006E\u0074\u0065\u0068\u0061"
u"\u0062\u006C\u0061\u0072\u0065\u006E\u0045\u0073\u0070"
u"\u0061\u00F1\u006F\u006C",
"PorqunopuedensimplementehablarenEspaol-fmd56a"),
# (K) Vietnamese:
# T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch\
# <ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t
(u"\u0054\u1EA1\u0069\u0073\u0061\u006F\u0068\u1ECD\u006B"
u"\u0068\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068"
u"\u1EC9\u006E\u00F3\u0069\u0074\u0069\u1EBF\u006E\u0067"
u"\u0056\u0069\u1EC7\u0074",
"TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"),
#(L) 3<nen>B<gumi><kinpachi><sensei>
(u"\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F",
"3B-ww4c5e180e575a65lsy2b"),
# (M) <amuro><namie>-with-SUPER-MONKEYS
(u"\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074"
u"\u0068\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D"
u"\u004F\u004E\u004B\u0045\u0059\u0053",
"-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"),
# (N) Hello-Another-Way-<sorezore><no><basho>
(u"\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F"
u"\u0074\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D"
u"\u305D\u308C\u305E\u308C\u306E\u5834\u6240",
"Hello-Another-Way--fc4qua05auwb3674vfr0b"),
# (O) <hitotsu><yane><no><shita>2
(u"\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032",
"2-u9tlzr9756bt3uc0v"),
# (P) Maji<de>Koi<suru>5<byou><mae>
(u"\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059"
u"\u308B\u0035\u79D2\u524D",
"MajiKoi5-783gue6qz075azm5e"),
# (Q) <pafii>de<runba>
(u"\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0",
"de-jg4avhby1noc0d"),
# (R) <sono><supiido><de>
(u"\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067",
"d9juau41awczczp"),
# (S) -> $1.00 <-
(u"\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020"
u"\u003C\u002D",
"-> $1.00 <--")
]
for i in punycode_testcases:
if len(i)!=2:
print repr(i)
class PunycodeTest(unittest.TestCase):
def test_encode(self):
for uni, puny in punycode_testcases:
# Need to convert both strings to lower case, since
# some of the extended encodings use upper case, but our
# code produces only lower case. Converting just puny to
# lower is also insufficient, since some of the input characters
# are upper case.
self.assertEqual(uni.encode("punycode").lower(), puny.lower())
def test_decode(self):
for uni, puny in punycode_testcases:
self.assertEqual(uni, puny.decode("punycode"))
class UnicodeInternalTest(unittest.TestCase):
def test_bug1251300(self):
# Decoding with unicode_internal used to not correctly handle "code
# points" above 0x10ffff on UCS-4 builds.
if sys.maxunicode > 0xffff:
ok = [
("\x00\x10\xff\xff", u"\U0010ffff"),
("\x00\x00\x01\x01", u"\U00000101"),
("", u""),
]
not_ok = [
"\x7f\xff\xff\xff",
"\x80\x00\x00\x00",
"\x81\x00\x00\x00",
"\x00",
"\x00\x00\x00\x00\x00",
]
for internal, uni in ok:
if sys.byteorder == "little":
internal = "".join(reversed(internal))
self.assertEqual(uni, internal.decode("unicode_internal"))
for internal in not_ok:
if sys.byteorder == "little":
internal = "".join(reversed(internal))
self.assertRaises(UnicodeDecodeError, internal.decode,
"unicode_internal")
def test_decode_error_attributes(self):
if sys.maxunicode > 0xffff:
try:
"\x00\x00\x00\x00\x00\x11\x11\x00".decode("unicode_internal")
except UnicodeDecodeError, ex:
self.assertEqual("unicode_internal", ex.encoding)
self.assertEqual("\x00\x00\x00\x00\x00\x11\x11\x00", ex.object)
self.assertEqual(4, ex.start)
self.assertEqual(8, ex.end)
else:
self.fail()
def test_decode_callback(self):
if sys.maxunicode > 0xffff:
codecs.register_error("UnicodeInternalTest", codecs.ignore_errors)
decoder = codecs.getdecoder("unicode_internal")
ab = u"ab".encode("unicode_internal")
ignored = decoder("%s\x22\x22\x22\x22%s" % (ab[:4], ab[4:]),
"UnicodeInternalTest")
self.assertEqual((u"ab", 12), ignored)
def test_encode_length(self):
# Issue 3739
encoder = codecs.getencoder("unicode_internal")
self.assertEqual(encoder(u"a")[1], 1)
self.assertEqual(encoder(u"\xe9\u0142")[1], 2)
encoder = codecs.getencoder("string-escape")
self.assertEqual(encoder(r'\x00')[1], 4)
# From http://www.gnu.org/software/libidn/draft-josefsson-idn-test-vectors.html
nameprep_tests = [
# 3.1 Map to nothing.
('foo\xc2\xad\xcd\x8f\xe1\xa0\x86\xe1\xa0\x8bbar'
'\xe2\x80\x8b\xe2\x81\xa0baz\xef\xb8\x80\xef\xb8\x88\xef'
'\xb8\x8f\xef\xbb\xbf',
'foobarbaz'),
# 3.2 Case folding ASCII U+0043 U+0041 U+0046 U+0045.
('CAFE',
'cafe'),
# 3.3 Case folding 8bit U+00DF (german sharp s).
# The original test case is bogus; it says \xc3\xdf
('\xc3\x9f',
'ss'),
# 3.4 Case folding U+0130 (turkish capital I with dot).
('\xc4\xb0',
'i\xcc\x87'),
# 3.5 Case folding multibyte U+0143 U+037A.
('\xc5\x83\xcd\xba',
'\xc5\x84 \xce\xb9'),
# 3.6 Case folding U+2121 U+33C6 U+1D7BB.
# XXX: skip this as it fails in UCS-2 mode
#('\xe2\x84\xa1\xe3\x8f\x86\xf0\x9d\x9e\xbb',
# 'telc\xe2\x88\x95kg\xcf\x83'),
(None, None),
# 3.7 Normalization of U+006a U+030c U+00A0 U+00AA.
('j\xcc\x8c\xc2\xa0\xc2\xaa',
'\xc7\xb0 a'),
# 3.8 Case folding U+1FB7 and normalization.
('\xe1\xbe\xb7',
'\xe1\xbe\xb6\xce\xb9'),
# 3.9 Self-reverting case folding U+01F0 and normalization.
# The original test case is bogus, it says `\xc7\xf0'
('\xc7\xb0',
'\xc7\xb0'),
# 3.10 Self-reverting case folding U+0390 and normalization.
('\xce\x90',
'\xce\x90'),
# 3.11 Self-reverting case folding U+03B0 and normalization.
('\xce\xb0',
'\xce\xb0'),
# 3.12 Self-reverting case folding U+1E96 and normalization.
('\xe1\xba\x96',
'\xe1\xba\x96'),
# 3.13 Self-reverting case folding U+1F56 and normalization.
('\xe1\xbd\x96',
'\xe1\xbd\x96'),
# 3.14 ASCII space character U+0020.
(' ',
' '),
# 3.15 Non-ASCII 8bit space character U+00A0.
('\xc2\xa0',
' '),
# 3.16 Non-ASCII multibyte space character U+1680.
('\xe1\x9a\x80',
None),
# 3.17 Non-ASCII multibyte space character U+2000.
('\xe2\x80\x80',
' '),
# 3.18 Zero Width Space U+200b.
('\xe2\x80\x8b',
''),
# 3.19 Non-ASCII multibyte space character U+3000.
('\xe3\x80\x80',
' '),
# 3.20 ASCII control characters U+0010 U+007F.
('\x10\x7f',
'\x10\x7f'),
# 3.21 Non-ASCII 8bit control character U+0085.
('\xc2\x85',
None),
# 3.22 Non-ASCII multibyte control character U+180E.
('\xe1\xa0\x8e',
None),
# 3.23 Zero Width No-Break Space U+FEFF.
('\xef\xbb\xbf',
''),
# 3.24 Non-ASCII control character U+1D175.
('\xf0\x9d\x85\xb5',
None),
# 3.25 Plane 0 private use character U+F123.
('\xef\x84\xa3',
None),
# 3.26 Plane 15 private use character U+F1234.
('\xf3\xb1\x88\xb4',
None),
# 3.27 Plane 16 private use character U+10F234.
('\xf4\x8f\x88\xb4',
None),
# 3.28 Non-character code point U+8FFFE.
('\xf2\x8f\xbf\xbe',
None),
# 3.29 Non-character code point U+10FFFF.
('\xf4\x8f\xbf\xbf',
None),
# 3.30 Surrogate code U+DF42.
('\xed\xbd\x82',
None),
# 3.31 Non-plain text character U+FFFD.
('\xef\xbf\xbd',
None),
# 3.32 Ideographic description character U+2FF5.
('\xe2\xbf\xb5',
None),
# 3.33 Display property character U+0341.
('\xcd\x81',
'\xcc\x81'),
# 3.34 Left-to-right mark U+200E.
('\xe2\x80\x8e',
None),
# 3.35 Deprecated U+202A.
('\xe2\x80\xaa',
None),
# 3.36 Language tagging character U+E0001.
('\xf3\xa0\x80\x81',
None),
# 3.37 Language tagging character U+E0042.
('\xf3\xa0\x81\x82',
None),
# 3.38 Bidi: RandALCat character U+05BE and LCat characters.
('foo\xd6\xbebar',
None),
# 3.39 Bidi: RandALCat character U+FD50 and LCat characters.
('foo\xef\xb5\x90bar',
None),
# 3.40 Bidi: RandALCat character U+FB38 and LCat characters.
('foo\xef\xb9\xb6bar',
'foo \xd9\x8ebar'),
# 3.41 Bidi: RandALCat without trailing RandALCat U+0627 U+0031.
('\xd8\xa71',
None),
# 3.42 Bidi: RandALCat character U+0627 U+0031 U+0628.
('\xd8\xa71\xd8\xa8',
'\xd8\xa71\xd8\xa8'),
# 3.43 Unassigned code point U+E0002.
# Skip this test as we allow unassigned
#('\xf3\xa0\x80\x82',
# None),
(None, None),
# 3.44 Larger test (shrinking).
# Original test case reads \xc3\xdf
('X\xc2\xad\xc3\x9f\xc4\xb0\xe2\x84\xa1j\xcc\x8c\xc2\xa0\xc2'
'\xaa\xce\xb0\xe2\x80\x80',
'xssi\xcc\x87tel\xc7\xb0 a\xce\xb0 '),
# 3.45 Larger test (expanding).
# Original test case reads \xc3\x9f
('X\xc3\x9f\xe3\x8c\x96\xc4\xb0\xe2\x84\xa1\xe2\x92\x9f\xe3\x8c'
'\x80',
'xss\xe3\x82\xad\xe3\x83\xad\xe3\x83\xa1\xe3\x83\xbc\xe3'
'\x83\x88\xe3\x83\xabi\xcc\x87tel\x28d\x29\xe3\x82'
'\xa2\xe3\x83\x91\xe3\x83\xbc\xe3\x83\x88')
]
class NameprepTest(unittest.TestCase):
def test_nameprep(self):
from encodings.idna import nameprep
for pos, (orig, prepped) in enumerate(nameprep_tests):
if orig is None:
# Skipped
continue
# The Unicode strings are given in UTF-8
orig = unicode(orig, "utf-8")
if prepped is None:
# Input contains prohibited characters
self.assertRaises(UnicodeError, nameprep, orig)
else:
prepped = unicode(prepped, "utf-8")
try:
self.assertEqual(nameprep(orig), prepped)
except Exception,e:
raise test_support.TestFailed("Test 3.%d: %s" % (pos+1, str(e)))
class IDNACodecTest(unittest.TestCase):
def test_builtin_decode(self):
self.assertEqual(unicode("python.org", "idna"), u"python.org")
self.assertEqual(unicode("python.org.", "idna"), u"python.org.")
self.assertEqual(unicode("xn--pythn-mua.org", "idna"), u"pyth\xf6n.org")
self.assertEqual(unicode("xn--pythn-mua.org.", "idna"), u"pyth\xf6n.org.")
def test_builtin_encode(self):
self.assertEqual(u"python.org".encode("idna"), "python.org")
self.assertEqual("python.org.".encode("idna"), "python.org.")
self.assertEqual(u"pyth\xf6n.org".encode("idna"), "xn--pythn-mua.org")
self.assertEqual(u"pyth\xf6n.org.".encode("idna"), "xn--pythn-mua.org.")
def test_stream(self):
import StringIO
r = codecs.getreader("idna")(StringIO.StringIO("abc"))
r.read(3)
self.assertEqual(r.read(), u"")
def test_incremental_decode(self):
self.assertEqual(
"".join(codecs.iterdecode("python.org", "idna")),
u"python.org"
)
self.assertEqual(
"".join(codecs.iterdecode("python.org.", "idna")),
u"python.org."
)
self.assertEqual(
"".join(codecs.iterdecode("xn--pythn-mua.org.", "idna")),
u"pyth\xf6n.org."
)
self.assertEqual(
"".join(codecs.iterdecode("xn--pythn-mua.org.", "idna")),
u"pyth\xf6n.org."
)
decoder = codecs.getincrementaldecoder("idna")()
self.assertEqual(decoder.decode("xn--xam", ), u"")
self.assertEqual(decoder.decode("ple-9ta.o", ), u"\xe4xample.")
self.assertEqual(decoder.decode(u"rg"), u"")
self.assertEqual(decoder.decode(u"", True), u"org")
decoder.reset()
self.assertEqual(decoder.decode("xn--xam", ), u"")
self.assertEqual(decoder.decode("ple-9ta.o", ), u"\xe4xample.")
self.assertEqual(decoder.decode("rg."), u"org.")
self.assertEqual(decoder.decode("", True), u"")
def test_incremental_encode(self):
self.assertEqual(
"".join(codecs.iterencode(u"python.org", "idna")),
"python.org"
)
self.assertEqual(
"".join(codecs.iterencode(u"python.org.", "idna")),
"python.org."
)
self.assertEqual(
"".join(codecs.iterencode(u"pyth\xf6n.org.", "idna")),
"xn--pythn-mua.org."
)
self.assertEqual(
"".join(codecs.iterencode(u"pyth\xf6n.org.", "idna")),
"xn--pythn-mua.org."
)
encoder = codecs.getincrementalencoder("idna")()
self.assertEqual(encoder.encode(u"\xe4x"), "")
self.assertEqual(encoder.encode(u"ample.org"), "xn--xample-9ta.")
self.assertEqual(encoder.encode(u"", True), "org")
encoder.reset()
self.assertEqual(encoder.encode(u"\xe4x"), "")
self.assertEqual(encoder.encode(u"ample.org."), "xn--xample-9ta.org.")
self.assertEqual(encoder.encode(u"", True), "")
class CodecsModuleTest(unittest.TestCase):
def test_decode(self):
self.assertEqual(codecs.decode('\xe4\xf6\xfc', 'latin-1'),
u'\xe4\xf6\xfc')
self.assertRaises(TypeError, codecs.decode)
self.assertEqual(codecs.decode('abc'), u'abc')
self.assertRaises(UnicodeDecodeError, codecs.decode, '\xff', 'ascii')
def test_encode(self):
self.assertEqual(codecs.encode(u'\xe4\xf6\xfc', 'latin-1'),
'\xe4\xf6\xfc')
self.assertRaises(TypeError, codecs.encode)
self.assertRaises(LookupError, codecs.encode, "foo", "__spam__")
self.assertEqual(codecs.encode(u'abc'), 'abc')
self.assertRaises(UnicodeEncodeError, codecs.encode, u'\xffff', 'ascii')
def test_register(self):
self.assertRaises(TypeError, codecs.register)
self.assertRaises(TypeError, codecs.register, 42)
def test_lookup(self):
self.assertRaises(TypeError, codecs.lookup)
self.assertRaises(LookupError, codecs.lookup, "__spam__")
self.assertRaises(LookupError, codecs.lookup, " ")
def test_getencoder(self):
self.assertRaises(TypeError, codecs.getencoder)
self.assertRaises(LookupError, codecs.getencoder, "__spam__")
def test_getdecoder(self):
self.assertRaises(TypeError, codecs.getdecoder)
self.assertRaises(LookupError, codecs.getdecoder, "__spam__")
def test_getreader(self):
self.assertRaises(TypeError, codecs.getreader)
self.assertRaises(LookupError, codecs.getreader, "__spam__")
def test_getwriter(self):
self.assertRaises(TypeError, codecs.getwriter)
self.assertRaises(LookupError, codecs.getwriter, "__spam__")
def test_lookup_issue1813(self):
# Issue #1813: under Turkish locales, lookup of some codecs failed
# because 'I' is lowercased as a dotless "i"
oldlocale = locale.getlocale(locale.LC_CTYPE)
self.addCleanup(locale.setlocale, locale.LC_CTYPE, oldlocale)
try:
locale.setlocale(locale.LC_CTYPE, 'tr_TR')
except locale.Error:
# Unsupported locale on this system
self.skipTest('test needs Turkish locale')
c = codecs.lookup('ASCII')
self.assertEqual(c.name, 'ascii')
class StreamReaderTest(unittest.TestCase):
def setUp(self):
self.reader = codecs.getreader('utf-8')
self.stream = StringIO.StringIO('\xed\x95\x9c\n\xea\xb8\x80')
def test_readlines(self):
f = self.reader(self.stream)
self.assertEqual(f.readlines(), [u'\ud55c\n', u'\uae00'])
class EncodedFileTest(unittest.TestCase):
def test_basic(self):
f = StringIO.StringIO('\xed\x95\x9c\n\xea\xb8\x80')
ef = codecs.EncodedFile(f, 'utf-16-le', 'utf-8')
self.assertEqual(ef.read(), '\\\xd5\n\x00\x00\xae')
f = StringIO.StringIO()
ef = codecs.EncodedFile(f, 'utf-8', 'latin1')
ef.write('\xc3\xbc')
self.assertEqual(f.getvalue(), '\xfc')
class Str2StrTest(unittest.TestCase):
def test_read(self):
sin = "\x80".encode("base64_codec")
reader = codecs.getreader("base64_codec")(StringIO.StringIO(sin))
sout = reader.read()
self.assertEqual(sout, "\x80")
self.assertIsInstance(sout, str)
def test_readline(self):
sin = "\x80".encode("base64_codec")
reader = codecs.getreader("base64_codec")(StringIO.StringIO(sin))
sout = reader.readline()
self.assertEqual(sout, "\x80")
self.assertIsInstance(sout, str)
all_unicode_encodings = [
"ascii",
"base64_codec",
"big5",
"big5hkscs",
"charmap",
"cp037",
"cp1006",
"cp1026",
"cp1140",
"cp1250",
"cp1251",
"cp1252",
"cp1253",
"cp1254",
"cp1255",
"cp1256",
"cp1257",
"cp1258",
"cp424",
"cp437",
"cp500",
"cp720",
"cp737",
"cp775",
"cp850",
"cp852",
"cp855",
"cp856",
"cp857",
"cp858",
"cp860",
"cp861",
"cp862",
"cp863",
"cp864",
"cp865",
"cp866",
"cp869",
"cp874",
"cp875",
"cp932",
"cp949",
"cp950",
"euc_jis_2004",
"euc_jisx0213",
"euc_jp",
"euc_kr",
"gb18030",
"gb2312",
"gbk",
"hex_codec",
"hp_roman8",
"hz",
"idna",
"iso2022_jp",
"iso2022_jp_1",
"iso2022_jp_2",
"iso2022_jp_2004",
"iso2022_jp_3",
"iso2022_jp_ext",
"iso2022_kr",
"iso8859_1",
"iso8859_10",
"iso8859_11",
"iso8859_13",
"iso8859_14",
"iso8859_15",
"iso8859_16",
"iso8859_2",
"iso8859_3",
"iso8859_4",
"iso8859_5",
"iso8859_6",
"iso8859_7",
"iso8859_8",
"iso8859_9",
"johab",
"koi8_r",
"koi8_u",
"latin_1",
"mac_cyrillic",
"mac_greek",
"mac_iceland",
"mac_latin2",
"mac_roman",
"mac_turkish",
"palmos",
"ptcp154",
"punycode",
"raw_unicode_escape",
"rot_13",
"shift_jis",
"shift_jis_2004",
"shift_jisx0213",
"tis_620",
"unicode_escape",
"unicode_internal",
"utf_16",
"utf_16_be",
"utf_16_le",
"utf_7",
"utf_8",
]
if hasattr(codecs, "mbcs_encode"):
all_unicode_encodings.append("mbcs")
# The following encodings work only with str, not unicode
all_string_encodings = [
"quopri_codec",
"string_escape",
"uu_codec",
]
# The following encoding is not tested, because it's not supposed
# to work:
# "undefined"
# The following encodings don't work in stateful mode
broken_unicode_with_streams = [
"base64_codec",
"hex_codec",
"punycode",
"unicode_internal"
]
broken_incremental_coders = broken_unicode_with_streams[:]
# The following encodings only support "strict" mode
only_strict_mode = [
"idna",
"zlib_codec",
"bz2_codec",
]
try:
import bz2
except ImportError:
pass
else:
all_unicode_encodings.append("bz2_codec")
broken_unicode_with_streams.append("bz2_codec")
try:
import zlib
except ImportError:
pass
else:
all_unicode_encodings.append("zlib_codec")
broken_unicode_with_streams.append("zlib_codec")
class BasicUnicodeTest(unittest.TestCase):
def test_basics(self):
s = u"abc123" # all codecs should be able to encode these
for encoding in all_unicode_encodings:
name = codecs.lookup(encoding).name
if encoding.endswith("_codec"):
name += "_codec"
elif encoding == "latin_1":
name = "latin_1"
self.assertEqual(encoding.replace("_", "-"), name.replace("_", "-"))
(bytes, size) = codecs.getencoder(encoding)(s)
self.assertEqual(size, len(s), "%r != %r (encoding=%r)" % (size, len(s), encoding))
(chars, size) = codecs.getdecoder(encoding)(bytes)
self.assertEqual(chars, s, "%r != %r (encoding=%r)" % (chars, s, encoding))
if encoding not in broken_unicode_with_streams:
# check stream reader/writer
q = Queue()
writer = codecs.getwriter(encoding)(q)
encodedresult = ""
for c in s:
writer.write(c)
encodedresult += q.read()
q = Queue()
reader = codecs.getreader(encoding)(q)
decodedresult = u""
for c in encodedresult:
q.write(c)
decodedresult += reader.read()
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
if encoding not in broken_incremental_coders:
# check incremental decoder/encoder (fetched via the Python
# and C API) and iterencode()/iterdecode()
try:
encoder = codecs.getincrementalencoder(encoding)()
cencoder = _testcapi.codec_incrementalencoder(encoding)
except LookupError: # no IncrementalEncoder
pass
else:
# check incremental decoder/encoder
encodedresult = ""
for c in s:
encodedresult += encoder.encode(c)
encodedresult += encoder.encode(u"", True)
decoder = codecs.getincrementaldecoder(encoding)()
decodedresult = u""
for c in encodedresult:
decodedresult += decoder.decode(c)
decodedresult += decoder.decode("", True)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
# check C API
encodedresult = ""
for c in s:
encodedresult += cencoder.encode(c)
encodedresult += cencoder.encode(u"", True)
cdecoder = _testcapi.codec_incrementaldecoder(encoding)
decodedresult = u""
for c in encodedresult:
decodedresult += cdecoder.decode(c)
decodedresult += cdecoder.decode("", True)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
# check iterencode()/iterdecode()
result = u"".join(codecs.iterdecode(codecs.iterencode(s, encoding), encoding))
self.assertEqual(result, s, "%r != %r (encoding=%r)" % (result, s, encoding))
# check iterencode()/iterdecode() with empty string
result = u"".join(codecs.iterdecode(codecs.iterencode(u"", encoding), encoding))
self.assertEqual(result, u"")
if encoding not in only_strict_mode:
# check incremental decoder/encoder with errors argument
try:
encoder = codecs.getincrementalencoder(encoding)("ignore")
cencoder = _testcapi.codec_incrementalencoder(encoding, "ignore")
except LookupError: # no IncrementalEncoder
pass
else:
encodedresult = "".join(encoder.encode(c) for c in s)
decoder = codecs.getincrementaldecoder(encoding)("ignore")
decodedresult = u"".join(decoder.decode(c) for c in encodedresult)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
encodedresult = "".join(cencoder.encode(c) for c in s)
cdecoder = _testcapi.codec_incrementaldecoder(encoding, "ignore")
decodedresult = u"".join(cdecoder.decode(c) for c in encodedresult)
self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding))
def test_seek(self):
# all codecs should be able to encode these
s = u"%s\n%s\n" % (100*u"abc123", 100*u"def456")
for encoding in all_unicode_encodings:
if encoding == "idna": # FIXME: See SF bug #1163178
continue
if encoding in broken_unicode_with_streams:
continue
reader = codecs.getreader(encoding)(StringIO.StringIO(s.encode(encoding)))
for t in xrange(5):
# Test that calling seek resets the internal codec state and buffers
reader.seek(0, 0)
line = reader.readline()
self.assertEqual(s[:len(line)], line)
def test_bad_decode_args(self):
for encoding in all_unicode_encodings:
decoder = codecs.getdecoder(encoding)
self.assertRaises(TypeError, decoder)
if encoding not in ("idna", "punycode"):
self.assertRaises(TypeError, decoder, 42)
def test_bad_encode_args(self):
for encoding in all_unicode_encodings:
encoder = codecs.getencoder(encoding)
self.assertRaises(TypeError, encoder)
def test_encoding_map_type_initialized(self):
from encodings import cp1140
# This used to crash, we are only verifying there's no crash.
table_type = type(cp1140.encoding_table)
self.assertEqual(table_type, table_type)
class BasicStrTest(unittest.TestCase):
def test_basics(self):
s = "abc123"
for encoding in all_string_encodings:
(bytes, size) = codecs.getencoder(encoding)(s)
self.assertEqual(size, len(s))
(chars, size) = codecs.getdecoder(encoding)(bytes)
self.assertEqual(chars, s, "%r != %r (encoding=%r)" % (chars, s, encoding))
class CharmapTest(unittest.TestCase):
def test_decode_with_string_map(self):
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "strict", u"abc"),
(u"abc", 3)
)
self.assertRaises(UnicodeDecodeError,
codecs.charmap_decode, b"\x00\x01\x02", "strict", u"ab"
)
self.assertRaises(UnicodeDecodeError,
codecs.charmap_decode, "\x00\x01\x02", "strict", u"ab\ufffe"
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "replace", u"ab"),
(u"ab\ufffd", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "replace", u"ab\ufffe"),
(u"ab\ufffd", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "ignore", u"ab"),
(u"ab", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "ignore", u"ab\ufffe"),
(u"ab", 3)
)
allbytes = "".join(chr(i) for i in xrange(256))
self.assertEqual(
codecs.charmap_decode(allbytes, "ignore", u""),
(u"", len(allbytes))
)
def test_decode_with_int2str_map(self):
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "strict",
{0: u'a', 1: u'b', 2: u'c'}),
(u"abc", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "strict",
{0: u'Aa', 1: u'Bb', 2: u'Cc'}),
(u"AaBbCc", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "strict",
{0: u'\U0010FFFF', 1: u'b', 2: u'c'}),
(u"\U0010FFFFbc", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "strict",
{0: u'a', 1: u'b', 2: u''}),
(u"ab", 3)
)
self.assertRaises(UnicodeDecodeError,
codecs.charmap_decode, "\x00\x01\x02", "strict",
{0: u'a', 1: u'b'}
)
self.assertRaises(UnicodeDecodeError,
codecs.charmap_decode, "\x00\x01\x02", "strict",
{0: u'a', 1: u'b', 2: None}
)
# Issue #14850
self.assertRaises(UnicodeDecodeError,
codecs.charmap_decode, "\x00\x01\x02", "strict",
{0: u'a', 1: u'b', 2: u'\ufffe'}
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "replace",
{0: u'a', 1: u'b'}),
(u"ab\ufffd", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "replace",
{0: u'a', 1: u'b', 2: None}),
(u"ab\ufffd", 3)
)
# Issue #14850
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "replace",
{0: u'a', 1: u'b', 2: u'\ufffe'}),
(u"ab\ufffd", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "ignore",
{0: u'a', 1: u'b'}),
(u"ab", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "ignore",
{0: u'a', 1: u'b', 2: None}),
(u"ab", 3)
)
# Issue #14850
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "ignore",
{0: u'a', 1: u'b', 2: u'\ufffe'}),
(u"ab", 3)
)
allbytes = "".join(chr(i) for i in xrange(256))
self.assertEqual(
codecs.charmap_decode(allbytes, "ignore", {}),
(u"", len(allbytes))
)
def test_decode_with_int2int_map(self):
a = ord(u'a')
b = ord(u'b')
c = ord(u'c')
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "strict",
{0: a, 1: b, 2: c}),
(u"abc", 3)
)
# Issue #15379
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "strict",
{0: 0x10FFFF, 1: b, 2: c}),
(u"\U0010FFFFbc", 3)
)
self.assertRaises(TypeError,
codecs.charmap_decode, "\x00\x01\x02", "strict",
{0: 0x110000, 1: b, 2: c}
)
self.assertRaises(UnicodeDecodeError,
codecs.charmap_decode, "\x00\x01\x02", "strict",
{0: a, 1: b},
)
self.assertRaises(UnicodeDecodeError,
codecs.charmap_decode, "\x00\x01\x02", "strict",
{0: a, 1: b, 2: 0xFFFE},
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "replace",
{0: a, 1: b}),
(u"ab\ufffd", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "replace",
{0: a, 1: b, 2: 0xFFFE}),
(u"ab\ufffd", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "ignore",
{0: a, 1: b}),
(u"ab", 3)
)
self.assertEqual(
codecs.charmap_decode("\x00\x01\x02", "ignore",
{0: a, 1: b, 2: 0xFFFE}),
(u"ab", 3)
)
class WithStmtTest(unittest.TestCase):
def test_encodedfile(self):
f = StringIO.StringIO("\xc3\xbc")
with codecs.EncodedFile(f, "latin-1", "utf-8") as ef:
self.assertEqual(ef.read(), "\xfc")
def test_streamreaderwriter(self):
f = StringIO.StringIO("\xc3\xbc")
info = codecs.lookup("utf-8")
with codecs.StreamReaderWriter(f, info.streamreader,
info.streamwriter, 'strict') as srw:
self.assertEqual(srw.read(), u"\xfc")
class UnicodeEscapeTest(unittest.TestCase):
def test_empty(self):
self.assertEqual(codecs.unicode_escape_encode(u""), ("", 0))
self.assertEqual(codecs.unicode_escape_decode(""), (u"", 0))
def test_raw_encode(self):
encode = codecs.unicode_escape_encode
for b in range(32, 127):
if b != ord('\\'):
self.assertEqual(encode(unichr(b)), (chr(b), 1))
def test_raw_decode(self):
decode = codecs.unicode_escape_decode
for b in range(256):
if b != ord('\\'):
self.assertEqual(decode(chr(b) + '0'), (unichr(b) + u'0', 2))
def test_escape_encode(self):
encode = codecs.unicode_escape_encode
check = coding_checker(self, encode)
check(u'\t', r'\t')
check(u'\n', r'\n')
check(u'\r', r'\r')
check(u'\\', r'\\')
for b in range(32):
if chr(b) not in '\t\n\r':
check(unichr(b), '\\x%02x' % b)
for b in range(127, 256):
check(unichr(b), '\\x%02x' % b)
check(u'\u20ac', r'\u20ac')
check(u'\U0001d120', r'\U0001d120')
def test_escape_decode(self):
decode = codecs.unicode_escape_decode
check = coding_checker(self, decode)
check("[\\\n]", u"[]")
check(r'[\"]', u'["]')
check(r"[\']", u"[']")
check(r"[\\]", ur"[\]")
check(r"[\a]", u"[\x07]")
check(r"[\b]", u"[\x08]")
check(r"[\t]", u"[\x09]")
check(r"[\n]", u"[\x0a]")
check(r"[\v]", u"[\x0b]")
check(r"[\f]", u"[\x0c]")
check(r"[\r]", u"[\x0d]")
check(r"[\7]", u"[\x07]")
check(r"[\8]", ur"[\8]")
check(r"[\78]", u"[\x078]")
check(r"[\41]", u"[!]")
check(r"[\418]", u"[!8]")
check(r"[\101]", u"[A]")
check(r"[\1010]", u"[A0]")
check(r"[\x41]", u"[A]")
check(r"[\x410]", u"[A0]")
check(r"\u20ac", u"\u20ac")
check(r"\U0001d120", u"\U0001d120")
for b in range(256):
if chr(b) not in '\n"\'\\abtnvfr01234567xuUN':
check('\\' + chr(b), u'\\' + unichr(b))
def test_decode_errors(self):
decode = codecs.unicode_escape_decode
for c, d in ('x', 2), ('u', 4), ('U', 4):
for i in range(d):
self.assertRaises(UnicodeDecodeError, decode,
"\\" + c + "0"*i)
self.assertRaises(UnicodeDecodeError, decode,
"[\\" + c + "0"*i + "]")
data = "[\\" + c + "0"*i + "]\\" + c + "0"*i
self.assertEqual(decode(data, "ignore"), (u"[]", len(data)))
self.assertEqual(decode(data, "replace"),
(u"[\ufffd]\ufffd", len(data)))
self.assertRaises(UnicodeDecodeError, decode, r"\U00110000")
self.assertEqual(decode(r"\U00110000", "ignore"), (u"", 10))
self.assertEqual(decode(r"\U00110000", "replace"), (u"\ufffd", 10))
class RawUnicodeEscapeTest(unittest.TestCase):
def test_empty(self):
self.assertEqual(codecs.raw_unicode_escape_encode(u""), ("", 0))
self.assertEqual(codecs.raw_unicode_escape_decode(""), (u"", 0))
def test_raw_encode(self):
encode = codecs.raw_unicode_escape_encode
for b in range(256):
self.assertEqual(encode(unichr(b)), (chr(b), 1))
def test_raw_decode(self):
decode = codecs.raw_unicode_escape_decode
for b in range(256):
self.assertEqual(decode(chr(b) + '0'), (unichr(b) + u'0', 2))
def test_escape_encode(self):
encode = codecs.raw_unicode_escape_encode
check = coding_checker(self, encode)
for b in range(256):
if chr(b) not in 'uU':
check(u'\\' + unichr(b), '\\' + chr(b))
check(u'\u20ac', r'\u20ac')
check(u'\U0001d120', r'\U0001d120')
def test_escape_decode(self):
decode = codecs.raw_unicode_escape_decode
check = coding_checker(self, decode)
for b in range(256):
if chr(b) not in 'uU':
check('\\' + chr(b), u'\\' + unichr(b))
check(r"\u20ac", u"\u20ac")
check(r"\U0001d120", u"\U0001d120")
def test_decode_errors(self):
decode = codecs.raw_unicode_escape_decode
for c, d in ('u', 4), ('U', 4):
for i in range(d):
self.assertRaises(UnicodeDecodeError, decode,
"\\" + c + "0"*i)
self.assertRaises(UnicodeDecodeError, decode,
"[\\" + c + "0"*i + "]")
data = "[\\" + c + "0"*i + "]\\" + c + "0"*i
self.assertEqual(decode(data, "ignore"), (u"[]", len(data)))
self.assertEqual(decode(data, "replace"),
(u"[\ufffd]\ufffd", len(data)))
self.assertRaises(UnicodeDecodeError, decode, r"\U00110000")
self.assertEqual(decode(r"\U00110000", "ignore"), (u"", 10))
self.assertEqual(decode(r"\U00110000", "replace"), (u"\ufffd", 10))
class BomTest(unittest.TestCase):
def test_seek0(self):
data = u"1234567890"
tests = ("utf-16",
"utf-16-le",
"utf-16-be",
"utf-32",
"utf-32-le",
"utf-32-be")
self.addCleanup(test_support.unlink, test_support.TESTFN)
for encoding in tests:
# Check if the BOM is written only once
with codecs.open(test_support.TESTFN, 'w+', encoding=encoding) as f:
f.write(data)
f.write(data)
f.seek(0)
self.assertEqual(f.read(), data * 2)
f.seek(0)
self.assertEqual(f.read(), data * 2)
# Check that the BOM is written after a seek(0)
with codecs.open(test_support.TESTFN, 'w+', encoding=encoding) as f:
f.write(data[0])
self.assertNotEqual(f.tell(), 0)
f.seek(0)
f.write(data)
f.seek(0)
self.assertEqual(f.read(), data)
# (StreamWriter) Check that the BOM is written after a seek(0)
with codecs.open(test_support.TESTFN, 'w+', encoding=encoding) as f:
f.writer.write(data[0])
self.assertNotEqual(f.writer.tell(), 0)
f.writer.seek(0)
f.writer.write(data)
f.seek(0)
self.assertEqual(f.read(), data)
# Check that the BOM is not written after a seek() at a position
# different than the start
with codecs.open(test_support.TESTFN, 'w+', encoding=encoding) as f:
f.write(data)
f.seek(f.tell())
f.write(data)
f.seek(0)
self.assertEqual(f.read(), data * 2)
# (StreamWriter) Check that the BOM is not written after a seek()
# at a position different than the start
with codecs.open(test_support.TESTFN, 'w+', encoding=encoding) as f:
f.writer.write(data)
f.writer.seek(f.writer.tell())
f.writer.write(data)
f.seek(0)
self.assertEqual(f.read(), data * 2)
def test_main():
test_support.run_unittest(
UTF32Test,
UTF32LETest,
UTF32BETest,
UTF16Test,
UTF16LETest,
UTF16BETest,
UTF8Test,
UTF8SigTest,
UTF7Test,
UTF16ExTest,
ReadBufferTest,
CharBufferTest,
EscapeDecodeTest,
RecodingTest,
PunycodeTest,
UnicodeInternalTest,
NameprepTest,
IDNACodecTest,
CodecsModuleTest,
StreamReaderTest,
EncodedFileTest,
Str2StrTest,
BasicUnicodeTest,
BasicStrTest,
CharmapTest,
WithStmtTest,
UnicodeEscapeTest,
RawUnicodeEscapeTest,
BomTest,
)
if __name__ == "__main__":
test_main()