from test import support import unittest import codecs import locale import sys, _testcapi, io 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, buffer): self._buffer = buffer def write(self, chars): self._buffer += chars def read(self, size=-1): if size<0: s = self._buffer self._buffer = self._buffer[:0] # make empty return s else: s = self._buffer[:size] self._buffer = self._buffer[size:] return s class MixInCheckStateHandling: def check_state_handling_decode(self, encoding, u, s): for i in range(len(s)+1): d = codecs.getincrementaldecoder(encoding)() part1 = d.decode(s[:i]) state = d.getstate() self.assertIsInstance(state[1], int) # Check that the condition stated in the documentation for # IncrementalDecoder.getstate() holds if not state[1]: # reset decoder to the default state without anything buffered d.setstate((state[0][:0], 0)) # Feeding the previous input may not produce any output self.assertTrue(not d.decode(state[0])) # The decoder must return to the same state self.assertEqual(state, d.getstate()) # Create a new decoder and set it to the state # we extracted from the old one d = codecs.getincrementaldecoder(encoding)() d.setstate(state) part2 = d.decode(s[i:], True) self.assertEqual(u, part1+part2) def check_state_handling_encode(self, encoding, u, s): for i in range(len(u)+1): d = codecs.getincrementalencoder(encoding)() part1 = d.encode(u[:i]) state = d.getstate() d = codecs.getincrementalencoder(encoding)() d.setstate(state) part2 = d.encode(u[i:], True) self.assertEqual(s, part1+part2) class ReadTest(unittest.TestCase, MixInCheckStateHandling): 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(b"") r = codecs.getreader(self.encoding)(q) result = "" for (c, partialresult) in zip(input.encode(self.encoding), partialresults): q.write(bytes([c])) result += r.read() self.assertEqual(result, partialresult) # check that there's nothing left in the buffers self.assertEqual(r.read(), "") self.assertEqual(r.bytebuffer, b"") # do the check again, this time using a incremental decoder d = codecs.getincrementaldecoder(self.encoding)() result = "" for (c, partialresult) in zip(input.encode(self.encoding), partialresults): result += d.decode(bytes([c])) self.assertEqual(result, partialresult) # check that there's nothing left in the buffers self.assertEqual(d.decode(b"", True), "") self.assertEqual(d.buffer, b"") # Check whether the reset method works properly d.reset() result = "" for (c, partialresult) in zip(input.encode(self.encoding), partialresults): result += d.decode(bytes([c])) self.assertEqual(result, partialresult) # check that there's nothing left in the buffers self.assertEqual(d.decode(b"", True), "") self.assertEqual(d.buffer, b"") # check iterdecode() encoded = input.encode(self.encoding) self.assertEqual( input, "".join(codecs.iterdecode([bytes([c]) for c in encoded], self.encoding)) ) def test_readline(self): def getreader(input): stream = io.BytesIO(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 = "foo\nbar\r\nbaz\rspam\u2028eggs" sexpected = "foo\n|bar\r\n|baz\r|spam\u2028|eggs" sexpectednoends = "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("\n \r\n \r \u2028".split()): vw.append((i*200)*"\3042" + lineend) vwo.append((i*200)*"\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 range(80): for lineend in "\n \r\n \r \u2028".split(): s = 10*(size*"a" + lineend + "xxx\n") reader = getreader(s) for i in range(10): self.assertEqual( reader.readline(keepends=True), size*"a" + lineend, ) reader = getreader(s) for i in range(10): self.assertEqual( reader.readline(keepends=False), size*"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("

Today\'s articles

")\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("

Articles written on %s

"% frog.util.mediumdatestr(showdate))\r\n', ' entries = readArticlesFromDate(showdate)\r\n', 'else:\r\n', ' #-------------------- RECENT ARTICLES\r\n', ' self.write("

Recent articles

")\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 = io.BytesIO("".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(b"") writer = codecs.getwriter(self.encoding)(q) reader = codecs.getreader(self.encoding)(q) # No lineends writer.write("foo\r") self.assertEqual(reader.readline(keepends=False), "foo") writer.write("\nbar\r") self.assertEqual(reader.readline(keepends=False), "") self.assertEqual(reader.readline(keepends=False), "bar") writer.write("baz") self.assertEqual(reader.readline(keepends=False), "baz") self.assertEqual(reader.readline(keepends=False), "") # Lineends writer.write("foo\r") self.assertEqual(reader.readline(keepends=True), "foo\r") writer.write("\nbar\r") self.assertEqual(reader.readline(keepends=True), "\n") self.assertEqual(reader.readline(keepends=True), "bar\r") writer.write("baz") self.assertEqual(reader.readline(keepends=True), "baz") self.assertEqual(reader.readline(keepends=True), "") writer.write("foo\r\n") self.assertEqual(reader.readline(keepends=True), "foo\r\n") def test_bug1098990_a(self): s1 = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy\r\n" s2 = "offending line: ladfj askldfj klasdj fskla dfzaskdj fasklfj laskd fjasklfzzzzaa%whereisthis!!!\r\n" s3 = "next line.\r\n" s = (s1+s2+s3).encode(self.encoding) stream = io.BytesIO(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(), "") def test_bug1098990_b(self): s1 = "aaaaaaaaaaaaaaaaaaaaaaaa\r\n" s2 = "bbbbbbbbbbbbbbbbbbbbbbbb\r\n" s3 = "stillokay:bbbbxx\r\n" s4 = "broken!!!!badbad\r\n" s5 = "againokay.\r\n" s = (s1+s2+s3+s4+s5).encode(self.encoding) stream = io.BytesIO(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(), "") class UTF32Test(ReadTest): encoding = "utf-32" spamle = (b'\xff\xfe\x00\x00' b's\x00\x00\x00p\x00\x00\x00a\x00\x00\x00m\x00\x00\x00' b's\x00\x00\x00p\x00\x00\x00a\x00\x00\x00m\x00\x00\x00') spambe = (b'\x00\x00\xfe\xff' b'\x00\x00\x00s\x00\x00\x00p\x00\x00\x00a\x00\x00\x00m' b'\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 = io.BytesIO() f = writer(s) f.write("spam") f.write("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 = io.BytesIO(d) f = reader(s) self.assertEqual(f.read(), "spamspam") def test_badbom(self): s = io.BytesIO(4*b"\xff") f = codecs.getreader(self.encoding)(s) self.assertRaises(UnicodeError, f.read) s = io.BytesIO(8*b"\xff") f = codecs.getreader(self.encoding)(s) self.assertRaises(UnicodeError, f.read) def test_partial(self): self.check_partial( "\x00\xff\u0100\uffff\U00010000", [ "", # first byte of BOM read "", # second byte of BOM read "", # third byte of BOM read "", # fourth byte of BOM read => byteorder known "", "", "", "\x00", "\x00", "\x00", "\x00", "\x00\xff", "\x00\xff", "\x00\xff", "\x00\xff", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff\U00010000", ] ) def test_handlers(self): self.assertEqual(('\ufffd', 1), codecs.utf_32_decode(b'\x01', 'replace', True)) self.assertEqual(('', 1), codecs.utf_32_decode(b'\x01', 'ignore', True)) def test_errors(self): self.assertRaises(UnicodeDecodeError, codecs.utf_32_decode, b"\xff", "strict", True) def test_decoder_state(self): self.check_state_handling_decode(self.encoding, "spamspam", self.spamle) self.check_state_handling_decode(self.encoding, "spamspam", self.spambe) def test_issue8941(self): # Issue #8941: insufficient result allocation when decoding into # surrogate pairs on UCS-2 builds. encoded_le = b'\xff\xfe\x00\x00' + b'\x00\x00\x01\x00' * 1024 self.assertEqual('\U00010000' * 1024, codecs.utf_32_decode(encoded_le)[0]) encoded_be = b'\x00\x00\xfe\xff' + b'\x00\x01\x00\x00' * 1024 self.assertEqual('\U00010000' * 1024, codecs.utf_32_decode(encoded_be)[0]) class UTF32LETest(ReadTest): encoding = "utf-32-le" def test_partial(self): self.check_partial( "\x00\xff\u0100\uffff\U00010000", [ "", "", "", "\x00", "\x00", "\x00", "\x00", "\x00\xff", "\x00\xff", "\x00\xff", "\x00\xff", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff\U00010000", ] ) def test_simple(self): self.assertEqual("\U00010203".encode(self.encoding), b"\x03\x02\x01\x00") def test_errors(self): self.assertRaises(UnicodeDecodeError, codecs.utf_32_le_decode, b"\xff", "strict", True) def test_issue8941(self): # Issue #8941: insufficient result allocation when decoding into # surrogate pairs on UCS-2 builds. encoded = b'\x00\x00\x01\x00' * 1024 self.assertEqual('\U00010000' * 1024, codecs.utf_32_le_decode(encoded)[0]) class UTF32BETest(ReadTest): encoding = "utf-32-be" def test_partial(self): self.check_partial( "\x00\xff\u0100\uffff\U00010000", [ "", "", "", "\x00", "\x00", "\x00", "\x00", "\x00\xff", "\x00\xff", "\x00\xff", "\x00\xff", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff\U00010000", ] ) def test_simple(self): self.assertEqual("\U00010203".encode(self.encoding), b"\x00\x01\x02\x03") def test_errors(self): self.assertRaises(UnicodeDecodeError, codecs.utf_32_be_decode, b"\xff", "strict", True) def test_issue8941(self): # Issue #8941: insufficient result allocation when decoding into # surrogate pairs on UCS-2 builds. encoded = b'\x00\x01\x00\x00' * 1024 self.assertEqual('\U00010000' * 1024, codecs.utf_32_be_decode(encoded)[0]) class UTF16Test(ReadTest): encoding = "utf-16" spamle = b'\xff\xfes\x00p\x00a\x00m\x00s\x00p\x00a\x00m\x00' spambe = b'\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 = io.BytesIO() f = writer(s) f.write("spam") f.write("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 = io.BytesIO(d) f = reader(s) self.assertEqual(f.read(), "spamspam") def test_badbom(self): s = io.BytesIO(b"\xff\xff") f = codecs.getreader(self.encoding)(s) self.assertRaises(UnicodeError, f.read) s = io.BytesIO(b"\xff\xff\xff\xff") f = codecs.getreader(self.encoding)(s) self.assertRaises(UnicodeError, f.read) def test_partial(self): self.check_partial( "\x00\xff\u0100\uffff\U00010000", [ "", # first byte of BOM read "", # second byte of BOM read => byteorder known "", "\x00", "\x00", "\x00\xff", "\x00\xff", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff\U00010000", ] ) def test_handlers(self): self.assertEqual(('\ufffd', 1), codecs.utf_16_decode(b'\x01', 'replace', True)) self.assertEqual(('', 1), codecs.utf_16_decode(b'\x01', 'ignore', True)) def test_errors(self): self.assertRaises(UnicodeDecodeError, codecs.utf_16_decode, b"\xff", "strict", True) def test_decoder_state(self): self.check_state_handling_decode(self.encoding, "spamspam", self.spamle) self.check_state_handling_decode(self.encoding, "spamspam", self.spambe) 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 = 'Hello\r\nworld\r\n' s = s1.encode(self.encoding) self.addCleanup(support.unlink, support.TESTFN) with open(support.TESTFN, 'wb') as fp: fp.write(s) with codecs.open(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( "\x00\xff\u0100\uffff\U00010000", [ "", "\x00", "\x00", "\x00\xff", "\x00\xff", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff\U00010000", ] ) def test_errors(self): tests = [ (b'\xff', '\ufffd'), (b'A\x00Z', 'A\ufffd'), (b'A\x00B\x00C\x00D\x00Z', 'ABCD\ufffd'), (b'\x00\xd8', '\ufffd'), (b'\x00\xd8A', '\ufffd'), (b'\x00\xd8A\x00', '\ufffdA'), (b'\x00\xdcA\x00', '\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) def test_nonbmp(self): self.assertEqual("\U00010203".encode(self.encoding), b'\x00\xd8\x03\xde') self.assertEqual(b'\x00\xd8\x03\xde'.decode(self.encoding), "\U00010203") class UTF16BETest(ReadTest): encoding = "utf-16-be" def test_partial(self): self.check_partial( "\x00\xff\u0100\uffff\U00010000", [ "", "\x00", "\x00", "\x00\xff", "\x00\xff", "\x00\xff\u0100", "\x00\xff\u0100", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff", "\x00\xff\u0100\uffff\U00010000", ] ) def test_errors(self): tests = [ (b'\xff', '\ufffd'), (b'\x00A\xff', 'A\ufffd'), (b'\x00A\x00B\x00C\x00DZ', 'ABCD\ufffd'), (b'\xd8\x00', '\ufffd'), (b'\xd8\x00\xdc', '\ufffd'), (b'\xd8\x00\x00A', '\ufffdA'), (b'\xdc\x00\x00A', '\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) def test_nonbmp(self): self.assertEqual("\U00010203".encode(self.encoding), b'\xd8\x00\xde\x03') self.assertEqual(b'\xd8\x00\xde\x03'.decode(self.encoding), "\U00010203") class UTF8Test(ReadTest): encoding = "utf-8" def test_partial(self): self.check_partial( "\x00\xff\u07ff\u0800\uffff\U00010000", [ "\x00", "\x00", "\x00\xff", "\x00\xff", "\x00\xff\u07ff", "\x00\xff\u07ff", "\x00\xff\u07ff", "\x00\xff\u07ff\u0800", "\x00\xff\u07ff\u0800", "\x00\xff\u07ff\u0800", "\x00\xff\u07ff\u0800\uffff", "\x00\xff\u07ff\u0800\uffff", "\x00\xff\u07ff\u0800\uffff", "\x00\xff\u07ff\u0800\uffff", "\x00\xff\u07ff\u0800\uffff\U00010000", ] ) def test_decoder_state(self): u = "\x00\x7f\x80\xff\u0100\u07ff\u0800\uffff\U0010ffff" self.check_state_handling_decode(self.encoding, u, u.encode(self.encoding)) def test_lone_surrogates(self): self.assertRaises(UnicodeEncodeError, "\ud800".encode, "utf-8") self.assertRaises(UnicodeDecodeError, b"\xed\xa0\x80".decode, "utf-8") self.assertEqual("[\uDC80]".encode("utf-8", "backslashreplace"), b'[\\udc80]') self.assertEqual("[\uDC80]".encode("utf-8", "xmlcharrefreplace"), b'[�]') self.assertEqual("[\uDC80]".encode("utf-8", "surrogateescape"), b'[\x80]') self.assertEqual("[\uDC80]".encode("utf-8", "ignore"), b'[]') self.assertEqual("[\uDC80]".encode("utf-8", "replace"), b'[?]') def test_surrogatepass_handler(self): self.assertEqual("abc\ud800def".encode("utf-8", "surrogatepass"), b"abc\xed\xa0\x80def") self.assertEqual(b"abc\xed\xa0\x80def".decode("utf-8", "surrogatepass"), "abc\ud800def") self.assertTrue(codecs.lookup_error("surrogatepass")) with self.assertRaises(UnicodeDecodeError): b"abc\xed\xa0".decode("utf-8", "surrogatepass") with self.assertRaises(UnicodeDecodeError): b"abc\xed\xa0z".decode("utf-8", "surrogatepass") class UTF7Test(ReadTest): encoding = "utf-7" def test_partial(self): self.check_partial( "a+-b", [ "a", "a", "a+", "a+-", "a+-b", ] ) class UTF16ExTest(unittest.TestCase): def test_errors(self): self.assertRaises(UnicodeDecodeError, codecs.utf_16_ex_decode, b"\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("b", b"spam")), (b"spam", 4) ) def test_empty(self): self.assertEqual(codecs.readbuffer_encode(""), (b"", 0)) def test_bad_args(self): self.assertRaises(TypeError, codecs.readbuffer_encode) self.assertRaises(TypeError, codecs.readbuffer_encode, 42) class UTF8SigTest(ReadTest): encoding = "utf-8-sig" def test_partial(self): self.check_partial( "\ufeff\x00\xff\u07ff\u0800\uffff\U00010000", [ "", "", "", # First BOM has been read and skipped "", "", "\ufeff", # Second BOM has been read and emitted "\ufeff\x00", # "\x00" read and emitted "\ufeff\x00", # First byte of encoded "\xff" read "\ufeff\x00\xff", # Second byte of encoded "\xff" read "\ufeff\x00\xff", # First byte of encoded "\u07ff" read "\ufeff\x00\xff\u07ff", # Second byte of encoded "\u07ff" read "\ufeff\x00\xff\u07ff", "\ufeff\x00\xff\u07ff", "\ufeff\x00\xff\u07ff\u0800", "\ufeff\x00\xff\u07ff\u0800", "\ufeff\x00\xff\u07ff\u0800", "\ufeff\x00\xff\u07ff\u0800\uffff", "\ufeff\x00\xff\u07ff\u0800\uffff", "\ufeff\x00\xff\u07ff\u0800\uffff", "\ufeff\x00\xff\u07ff\u0800\uffff", "\ufeff\x00\xff\u07ff\u0800\uffff\U00010000", ] ) def test_bug1601501(self): # SF bug #1601501: check that the codec works with a buffer self.assertEqual(str(b"\xef\xbb\xbf", "utf-8-sig"), "") def test_bom(self): d = codecs.getincrementaldecoder("utf-8-sig")() s = "spam" self.assertEqual(d.decode(s.encode("utf-8-sig")), s) def test_stream_bom(self): unistring = "ABC\u00A1\u2200XYZ" bytestring = codecs.BOM_UTF8 + b"ABC\xC2\xA1\xE2\x88\x80XYZ" reader = codecs.getreader("utf-8-sig") for sizehint in [None] + list(range(1, 11)) + \ [64, 128, 256, 512, 1024]: istream = reader(io.BytesIO(bytestring)) ostream = io.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 = "ABC\u00A1\u2200XYZ" bytestring = b"ABC\xC2\xA1\xE2\x88\x80XYZ" reader = codecs.getreader("utf-8-sig") for sizehint in [None] + list(range(1, 11)) + \ [64, 128, 256, 512, 1024]: istream = reader(io.BytesIO(bytestring)) ostream = io.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(b""), (b"", 0)) def test_raw(self): decode = codecs.escape_decode for b in range(256): b = bytes([b]) if b != b'\\': self.assertEqual(decode(b + b'0'), (b + 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): if b not in b'\n"\'\\abtnvfr01234567x': b = bytes([b]) check(b'\\' + b, 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 = io.BytesIO() f2 = codecs.EncodedFile(f, "unicode_internal", "utf-8") f2.write("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): ("\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644" "\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F", b"egbpdaj6bu4bxfgehfvwxn"), # B Chinese (simplified): ("\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587", b"ihqwcrb4cv8a8dqg056pqjye"), # C Chinese (traditional): ("\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587", b"ihqwctvzc91f659drss3x8bo0yb"), # D Czech: Proprostnemluvesky ("\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074" "\u011B\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D" "\u0065\u0073\u006B\u0079", b"Proprostnemluvesky-uyb24dma41a"), # E Hebrew: ("\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8" "\u05DC\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2" "\u05D1\u05E8\u05D9\u05EA", b"4dbcagdahymbxekheh6e0a7fei0b"), # F Hindi (Devanagari): ("\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D" "\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939" "\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947" "\u0939\u0948\u0902", b"i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"), #(G) Japanese (kanji and hiragana): ("\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092" "\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B", b"n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"), # (H) Korean (Hangul syllables): ("\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774" "\uD55C\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74" "\uC5BC\uB9C8\uB098\uC88B\uC744\uAE4C", b"989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j" b"psd879ccm6fea98c"), # (I) Russian (Cyrillic): ("\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E" "\u043D\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440" "\u044F\u0442\u043F\u043E\u0440\u0443\u0441\u0441\u043A" "\u0438", b"b1abfaaepdrnnbgefbaDotcwatmq2g4l"), # (J) Spanish: PorqunopuedensimplementehablarenEspaol ("\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070" "\u0075\u0065\u0064\u0065\u006E\u0073\u0069\u006D\u0070" "\u006C\u0065\u006D\u0065\u006E\u0074\u0065\u0068\u0061" "\u0062\u006C\u0061\u0072\u0065\u006E\u0045\u0073\u0070" "\u0061\u00F1\u006F\u006C", b"PorqunopuedensimplementehablarenEspaol-fmd56a"), # (K) Vietnamese: # Tisaohkhngthch\ # nitingVit ("\u0054\u1EA1\u0069\u0073\u0061\u006F\u0068\u1ECD\u006B" "\u0068\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068" "\u1EC9\u006E\u00F3\u0069\u0074\u0069\u1EBF\u006E\u0067" "\u0056\u0069\u1EC7\u0074", b"TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"), #(L) 3B ("\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F", b"3B-ww4c5e180e575a65lsy2b"), # (M) -with-SUPER-MONKEYS ("\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074" "\u0068\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D" "\u004F\u004E\u004B\u0045\u0059\u0053", b"-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"), # (N) Hello-Another-Way- ("\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F" "\u0074\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D" "\u305D\u308C\u305E\u308C\u306E\u5834\u6240", b"Hello-Another-Way--fc4qua05auwb3674vfr0b"), # (O) 2 ("\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032", b"2-u9tlzr9756bt3uc0v"), # (P) MajiKoi5 ("\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059" "\u308B\u0035\u79D2\u524D", b"MajiKoi5-783gue6qz075azm5e"), # (Q) de ("\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0", b"de-jg4avhby1noc0d"), # (R) ("\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067", b"d9juau41awczczp"), # (S) -> $1.00 <- ("\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020" "\u003C\u002D", b"-> $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( str(uni.encode("punycode"), "ascii").lower(), str(puny, "ascii").lower() ) def test_decode(self): for uni, puny in punycode_testcases: self.assertEqual(uni, puny.decode("punycode")) puny = puny.decode("ascii").encode("ascii") 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 = [ (b"\x00\x10\xff\xff", "\U0010ffff"), (b"\x00\x00\x01\x01", "\U00000101"), (b"", ""), ] not_ok = [ b"\x7f\xff\xff\xff", b"\x80\x00\x00\x00", b"\x81\x00\x00\x00", b"\x00", b"\x00\x00\x00\x00\x00", ] for internal, uni in ok: if sys.byteorder == "little": internal = bytes(reversed(internal)) self.assertEqual(uni, internal.decode("unicode_internal")) for internal in not_ok: if sys.byteorder == "little": internal = bytes(reversed(internal)) self.assertRaises(UnicodeDecodeError, internal.decode, "unicode_internal") def test_decode_error_attributes(self): if sys.maxunicode > 0xffff: try: b"\x00\x00\x00\x00\x00\x11\x11\x00".decode("unicode_internal") except UnicodeDecodeError as ex: self.assertEqual("unicode_internal", ex.encoding) self.assertEqual(b"\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 = "ab".encode("unicode_internal").decode() ignored = decoder(bytes("%s\x22\x22\x22\x22%s" % (ab[:4], ab[4:]), "ascii"), "UnicodeInternalTest") self.assertEqual(("ab", 12), ignored) def test_encode_length(self): # Issue 3739 encoder = codecs.getencoder("unicode_internal") self.assertEqual(encoder("a")[1], 1) self.assertEqual(encoder("\xe9\u0142")[1], 2) self.assertEqual(codecs.escape_encode(br'\x00')[1], 4) # From http://www.gnu.org/software/libidn/draft-josefsson-idn-test-vectors.html nameprep_tests = [ # 3.1 Map to nothing. (b'foo\xc2\xad\xcd\x8f\xe1\xa0\x86\xe1\xa0\x8bbar' b'\xe2\x80\x8b\xe2\x81\xa0baz\xef\xb8\x80\xef\xb8\x88\xef' b'\xb8\x8f\xef\xbb\xbf', b'foobarbaz'), # 3.2 Case folding ASCII U+0043 U+0041 U+0046 U+0045. (b'CAFE', b'cafe'), # 3.3 Case folding 8bit U+00DF (german sharp s). # The original test case is bogus; it says \xc3\xdf (b'\xc3\x9f', b'ss'), # 3.4 Case folding U+0130 (turkish capital I with dot). (b'\xc4\xb0', b'i\xcc\x87'), # 3.5 Case folding multibyte U+0143 U+037A. (b'\xc5\x83\xcd\xba', b'\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. (b'j\xcc\x8c\xc2\xa0\xc2\xaa', b'\xc7\xb0 a'), # 3.8 Case folding U+1FB7 and normalization. (b'\xe1\xbe\xb7', b'\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' (b'\xc7\xb0', b'\xc7\xb0'), # 3.10 Self-reverting case folding U+0390 and normalization. (b'\xce\x90', b'\xce\x90'), # 3.11 Self-reverting case folding U+03B0 and normalization. (b'\xce\xb0', b'\xce\xb0'), # 3.12 Self-reverting case folding U+1E96 and normalization. (b'\xe1\xba\x96', b'\xe1\xba\x96'), # 3.13 Self-reverting case folding U+1F56 and normalization. (b'\xe1\xbd\x96', b'\xe1\xbd\x96'), # 3.14 ASCII space character U+0020. (b' ', b' '), # 3.15 Non-ASCII 8bit space character U+00A0. (b'\xc2\xa0', b' '), # 3.16 Non-ASCII multibyte space character U+1680. (b'\xe1\x9a\x80', None), # 3.17 Non-ASCII multibyte space character U+2000. (b'\xe2\x80\x80', b' '), # 3.18 Zero Width Space U+200b. (b'\xe2\x80\x8b', b''), # 3.19 Non-ASCII multibyte space character U+3000. (b'\xe3\x80\x80', b' '), # 3.20 ASCII control characters U+0010 U+007F. (b'\x10\x7f', b'\x10\x7f'), # 3.21 Non-ASCII 8bit control character U+0085. (b'\xc2\x85', None), # 3.22 Non-ASCII multibyte control character U+180E. (b'\xe1\xa0\x8e', None), # 3.23 Zero Width No-Break Space U+FEFF. (b'\xef\xbb\xbf', b''), # 3.24 Non-ASCII control character U+1D175. (b'\xf0\x9d\x85\xb5', None), # 3.25 Plane 0 private use character U+F123. (b'\xef\x84\xa3', None), # 3.26 Plane 15 private use character U+F1234. (b'\xf3\xb1\x88\xb4', None), # 3.27 Plane 16 private use character U+10F234. (b'\xf4\x8f\x88\xb4', None), # 3.28 Non-character code point U+8FFFE. (b'\xf2\x8f\xbf\xbe', None), # 3.29 Non-character code point U+10FFFF. (b'\xf4\x8f\xbf\xbf', None), # 3.30 Surrogate code U+DF42. (b'\xed\xbd\x82', None), # 3.31 Non-plain text character U+FFFD. (b'\xef\xbf\xbd', None), # 3.32 Ideographic description character U+2FF5. (b'\xe2\xbf\xb5', None), # 3.33 Display property character U+0341. (b'\xcd\x81', b'\xcc\x81'), # 3.34 Left-to-right mark U+200E. (b'\xe2\x80\x8e', None), # 3.35 Deprecated U+202A. (b'\xe2\x80\xaa', None), # 3.36 Language tagging character U+E0001. (b'\xf3\xa0\x80\x81', None), # 3.37 Language tagging character U+E0042. (b'\xf3\xa0\x81\x82', None), # 3.38 Bidi: RandALCat character U+05BE and LCat characters. (b'foo\xd6\xbebar', None), # 3.39 Bidi: RandALCat character U+FD50 and LCat characters. (b'foo\xef\xb5\x90bar', None), # 3.40 Bidi: RandALCat character U+FB38 and LCat characters. (b'foo\xef\xb9\xb6bar', b'foo \xd9\x8ebar'), # 3.41 Bidi: RandALCat without trailing RandALCat U+0627 U+0031. (b'\xd8\xa71', None), # 3.42 Bidi: RandALCat character U+0627 U+0031 U+0628. (b'\xd8\xa71\xd8\xa8', b'\xd8\xa71\xd8\xa8'), # 3.43 Unassigned code point U+E0002. # Skip this test as we allow unassigned #(b'\xf3\xa0\x80\x82', # None), (None, None), # 3.44 Larger test (shrinking). # Original test case reads \xc3\xdf (b'X\xc2\xad\xc3\x9f\xc4\xb0\xe2\x84\xa1j\xcc\x8c\xc2\xa0\xc2' b'\xaa\xce\xb0\xe2\x80\x80', b'xssi\xcc\x87tel\xc7\xb0 a\xce\xb0 '), # 3.45 Larger test (expanding). # Original test case reads \xc3\x9f (b'X\xc3\x9f\xe3\x8c\x96\xc4\xb0\xe2\x84\xa1\xe2\x92\x9f\xe3\x8c' b'\x80', b'xss\xe3\x82\xad\xe3\x83\xad\xe3\x83\xa1\xe3\x83\xbc\xe3' b'\x83\x88\xe3\x83\xabi\xcc\x87tel\x28d\x29\xe3\x82' b'\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 = str(orig, "utf-8", "surrogatepass") if prepped is None: # Input contains prohibited characters self.assertRaises(UnicodeError, nameprep, orig) else: prepped = str(prepped, "utf-8", "surrogatepass") try: self.assertEqual(nameprep(orig), prepped) except Exception as e: raise support.TestFailed("Test 3.%d: %s" % (pos+1, str(e))) class IDNACodecTest(unittest.TestCase): def test_builtin_decode(self): self.assertEqual(str(b"python.org", "idna"), "python.org") self.assertEqual(str(b"python.org.", "idna"), "python.org.") self.assertEqual(str(b"xn--pythn-mua.org", "idna"), "pyth\xf6n.org") self.assertEqual(str(b"xn--pythn-mua.org.", "idna"), "pyth\xf6n.org.") def test_builtin_encode(self): self.assertEqual("python.org".encode("idna"), b"python.org") self.assertEqual("python.org.".encode("idna"), b"python.org.") self.assertEqual("pyth\xf6n.org".encode("idna"), b"xn--pythn-mua.org") self.assertEqual("pyth\xf6n.org.".encode("idna"), b"xn--pythn-mua.org.") def test_stream(self): r = codecs.getreader("idna")(io.BytesIO(b"abc")) r.read(3) self.assertEqual(r.read(), "") def test_incremental_decode(self): self.assertEqual( "".join(codecs.iterdecode((bytes([c]) for c in b"python.org"), "idna")), "python.org" ) self.assertEqual( "".join(codecs.iterdecode((bytes([c]) for c in b"python.org."), "idna")), "python.org." ) self.assertEqual( "".join(codecs.iterdecode((bytes([c]) for c in b"xn--pythn-mua.org."), "idna")), "pyth\xf6n.org." ) self.assertEqual( "".join(codecs.iterdecode((bytes([c]) for c in b"xn--pythn-mua.org."), "idna")), "pyth\xf6n.org." ) decoder = codecs.getincrementaldecoder("idna")() self.assertEqual(decoder.decode(b"xn--xam", ), "") self.assertEqual(decoder.decode(b"ple-9ta.o", ), "\xe4xample.") self.assertEqual(decoder.decode(b"rg"), "") self.assertEqual(decoder.decode(b"", True), "org") decoder.reset() self.assertEqual(decoder.decode(b"xn--xam", ), "") self.assertEqual(decoder.decode(b"ple-9ta.o", ), "\xe4xample.") self.assertEqual(decoder.decode(b"rg."), "org.") self.assertEqual(decoder.decode(b"", True), "") def test_incremental_encode(self): self.assertEqual( b"".join(codecs.iterencode("python.org", "idna")), b"python.org" ) self.assertEqual( b"".join(codecs.iterencode("python.org.", "idna")), b"python.org." ) self.assertEqual( b"".join(codecs.iterencode("pyth\xf6n.org.", "idna")), b"xn--pythn-mua.org." ) self.assertEqual( b"".join(codecs.iterencode("pyth\xf6n.org.", "idna")), b"xn--pythn-mua.org." ) encoder = codecs.getincrementalencoder("idna")() self.assertEqual(encoder.encode("\xe4x"), b"") self.assertEqual(encoder.encode("ample.org"), b"xn--xample-9ta.") self.assertEqual(encoder.encode("", True), b"org") encoder.reset() self.assertEqual(encoder.encode("\xe4x"), b"") self.assertEqual(encoder.encode("ample.org."), b"xn--xample-9ta.org.") self.assertEqual(encoder.encode("", True), b"") class CodecsModuleTest(unittest.TestCase): def test_decode(self): self.assertEqual(codecs.decode(b'\xe4\xf6\xfc', 'latin-1'), '\xe4\xf6\xfc') self.assertRaises(TypeError, codecs.decode) self.assertEqual(codecs.decode(b'abc'), 'abc') self.assertRaises(UnicodeDecodeError, codecs.decode, b'\xff', 'ascii') def test_encode(self): self.assertEqual(codecs.encode('\xe4\xf6\xfc', 'latin-1'), b'\xe4\xf6\xfc') self.assertRaises(TypeError, codecs.encode) self.assertRaises(LookupError, codecs.encode, "foo", "__spam__") self.assertEqual(codecs.encode('abc'), b'abc') self.assertRaises(UnicodeEncodeError, codecs.encode, '\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 "ı" (dotless i) oldlocale = locale.setlocale(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 = io.BytesIO(b'\xed\x95\x9c\n\xea\xb8\x80') def test_readlines(self): f = self.reader(self.stream) self.assertEqual(f.readlines(), ['\ud55c\n', '\uae00']) class EncodedFileTest(unittest.TestCase): def test_basic(self): f = io.BytesIO(b'\xed\x95\x9c\n\xea\xb8\x80') ef = codecs.EncodedFile(f, 'utf-16-le', 'utf-8') self.assertEqual(ef.read(), b'\\\xd5\n\x00\x00\xae') f = io.BytesIO() ef = codecs.EncodedFile(f, 'utf-8', 'latin1') ef.write(b'\xc3\xbc') self.assertEqual(f.getvalue(), b'\xfc') all_unicode_encodings = [ "ascii", "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", "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", "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 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 = [ "punycode", "unicode_internal" ] broken_incremental_coders = broken_unicode_with_streams + [ "idna", ] class BasicUnicodeTest(unittest.TestCase, MixInCheckStateHandling): def test_basics(self): s = "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("_", "-")) (b, size) = codecs.getencoder(encoding)(s) self.assertEqual(size, len(s), "%r != %r (encoding=%r)" % (size, len(s), encoding)) (chars, size) = codecs.getdecoder(encoding)(b) 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(b"") writer = codecs.getwriter(encoding)(q) encodedresult = b"" for c in s: writer.write(c) chunk = q.read() self.assertTrue(type(chunk) is bytes, type(chunk)) encodedresult += chunk q = Queue(b"") reader = codecs.getreader(encoding)(q) decodedresult = "" for c in encodedresult: q.write(bytes([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 = b"" for c in s: encodedresult += encoder.encode(c) encodedresult += encoder.encode("", True) decoder = codecs.getincrementaldecoder(encoding)() decodedresult = "" for c in encodedresult: decodedresult += decoder.decode(bytes([c])) decodedresult += decoder.decode(b"", True) self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding)) # check C API encodedresult = b"" for c in s: encodedresult += cencoder.encode(c) encodedresult += cencoder.encode("", True) cdecoder = _testcapi.codec_incrementaldecoder(encoding) decodedresult = "" for c in encodedresult: decodedresult += cdecoder.decode(bytes([c])) decodedresult += cdecoder.decode(b"", True) self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding)) # check iterencode()/iterdecode() result = "".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 = "".join(codecs.iterdecode(codecs.iterencode("", encoding), encoding)) self.assertEqual(result, "") if encoding not in ("idna", "mbcs"): # 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 = b"".join(encoder.encode(c) for c in s) decoder = codecs.getincrementaldecoder(encoding)("ignore") decodedresult = "".join(decoder.decode(bytes([c])) for c in encodedresult) self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding)) encodedresult = b"".join(cencoder.encode(c) for c in s) cdecoder = _testcapi.codec_incrementaldecoder(encoding, "ignore") decodedresult = "".join(cdecoder.decode(bytes([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 = "%s\n%s\n" % (100*"abc123", 100*"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)(io.BytesIO(s.encode(encoding))) for t in range(5): # Test that calling seek resets the internal codec state and buffers reader.seek(0, 0) data = reader.read() self.assertEqual(s, data) 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) def test_decoder_state(self): # Check that getstate() and setstate() handle the state properly u = "abc123" for encoding in all_unicode_encodings: if encoding not in broken_incremental_coders: self.check_state_handling_decode(encoding, u, u.encode(encoding)) self.check_state_handling_encode(encoding, u, u.encode(encoding)) class CharmapTest(unittest.TestCase): def test_decode_with_string_map(self): self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "strict", "abc"), ("abc", 3) ) self.assertRaises(UnicodeDecodeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", "ab" ) self.assertRaises(UnicodeDecodeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", "ab\ufffe" ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "replace", "ab"), ("ab\ufffd", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "replace", "ab\ufffe"), ("ab\ufffd", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "ignore", "ab"), ("ab", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "ignore", "ab\ufffe"), ("ab", 3) ) allbytes = bytes(range(256)) self.assertEqual( codecs.charmap_decode(allbytes, "ignore", ""), ("", len(allbytes)) ) def test_decode_with_int2str_map(self): self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "strict", {0: 'a', 1: 'b', 2: 'c'}), ("abc", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "strict", {0: 'Aa', 1: 'Bb', 2: 'Cc'}), ("AaBbCc", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "strict", {0: '\U0010FFFF', 1: 'b', 2: 'c'}), ("\U0010FFFFbc", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "strict", {0: 'a', 1: 'b', 2: ''}), ("ab", 3) ) self.assertRaises(UnicodeDecodeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", {0: 'a', 1: 'b'} ) self.assertRaises(UnicodeDecodeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", {0: 'a', 1: 'b', 2: None} ) # Issue #14850 self.assertRaises(UnicodeDecodeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", {0: 'a', 1: 'b', 2: '\ufffe'} ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "replace", {0: 'a', 1: 'b'}), ("ab\ufffd", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "replace", {0: 'a', 1: 'b', 2: None}), ("ab\ufffd", 3) ) # Issue #14850 self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "replace", {0: 'a', 1: 'b', 2: '\ufffe'}), ("ab\ufffd", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "ignore", {0: 'a', 1: 'b'}), ("ab", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "ignore", {0: 'a', 1: 'b', 2: None}), ("ab", 3) ) # Issue #14850 self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "ignore", {0: 'a', 1: 'b', 2: '\ufffe'}), ("ab", 3) ) allbytes = bytes(range(256)) self.assertEqual( codecs.charmap_decode(allbytes, "ignore", {}), ("", len(allbytes)) ) def test_decode_with_int2int_map(self): a = ord('a') b = ord('b') c = ord('c') self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "strict", {0: a, 1: b, 2: c}), ("abc", 3) ) # Issue #15379 self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "strict", {0: 0x10FFFF, 1: b, 2: c}), ("\U0010FFFFbc", 3) ) self.assertRaises(TypeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", {0: 0x110000, 1: b, 2: c} ) self.assertRaises(UnicodeDecodeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", {0: a, 1: b}, ) self.assertRaises(UnicodeDecodeError, codecs.charmap_decode, b"\x00\x01\x02", "strict", {0: a, 1: b, 2: 0xFFFE}, ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "replace", {0: a, 1: b}), ("ab\ufffd", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "replace", {0: a, 1: b, 2: 0xFFFE}), ("ab\ufffd", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "ignore", {0: a, 1: b}), ("ab", 3) ) self.assertEqual( codecs.charmap_decode(b"\x00\x01\x02", "ignore", {0: a, 1: b, 2: 0xFFFE}), ("ab", 3) ) class WithStmtTest(unittest.TestCase): def test_encodedfile(self): f = io.BytesIO(b"\xc3\xbc") with codecs.EncodedFile(f, "latin-1", "utf-8") as ef: self.assertEqual(ef.read(), b"\xfc") def test_streamreaderwriter(self): f = io.BytesIO(b"\xc3\xbc") info = codecs.lookup("utf-8") with codecs.StreamReaderWriter(f, info.streamreader, info.streamwriter, 'strict') as srw: self.assertEqual(srw.read(), "\xfc") class TypesTest(unittest.TestCase): def test_decode_unicode(self): # Most decoders don't accept unicode input decoders = [ codecs.utf_7_decode, codecs.utf_8_decode, codecs.utf_16_le_decode, codecs.utf_16_be_decode, codecs.utf_16_ex_decode, codecs.utf_32_decode, codecs.utf_32_le_decode, codecs.utf_32_be_decode, codecs.utf_32_ex_decode, codecs.latin_1_decode, codecs.ascii_decode, codecs.charmap_decode, ] if hasattr(codecs, "mbcs_decode"): decoders.append(codecs.mbcs_decode) for decoder in decoders: self.assertRaises(TypeError, decoder, "xxx") def test_unicode_escape(self): # Escape-decoding an unicode string is supported ang gives the same # result as decoding the equivalent ASCII bytes string. self.assertEqual(codecs.unicode_escape_decode(r"\u1234"), ("\u1234", 6)) self.assertEqual(codecs.unicode_escape_decode(br"\u1234"), ("\u1234", 6)) self.assertEqual(codecs.raw_unicode_escape_decode(r"\u1234"), ("\u1234", 6)) self.assertEqual(codecs.raw_unicode_escape_decode(br"\u1234"), ("\u1234", 6)) class UnicodeEscapeTest(unittest.TestCase): def test_empty(self): self.assertEqual(codecs.unicode_escape_encode(""), (b"", 0)) self.assertEqual(codecs.unicode_escape_decode(b""), ("", 0)) def test_raw_encode(self): encode = codecs.unicode_escape_encode for b in range(32, 127): if b != b'\\'[0]: self.assertEqual(encode(chr(b)), (bytes([b]), 1)) def test_raw_decode(self): decode = codecs.unicode_escape_decode for b in range(256): if b != b'\\'[0]: self.assertEqual(decode(bytes([b]) + b'0'), (chr(b) + '0', 2)) def test_escape_encode(self): encode = codecs.unicode_escape_encode check = coding_checker(self, encode) check('\t', br'\t') check('\n', br'\n') check('\r', br'\r') check('\\', br'\\') for b in range(32): if chr(b) not in '\t\n\r': check(chr(b), ('\\x%02x' % b).encode()) for b in range(127, 256): check(chr(b), ('\\x%02x' % b).encode()) check('\u20ac', br'\u20ac') check('\U0001d120', br'\U0001d120') def test_escape_decode(self): decode = codecs.unicode_escape_decode check = coding_checker(self, decode) check(b"[\\\n]", "[]") check(br'[\"]', '["]') check(br"[\']", "[']") check(br"[\\]", r"[\]") check(br"[\a]", "[\x07]") check(br"[\b]", "[\x08]") check(br"[\t]", "[\x09]") check(br"[\n]", "[\x0a]") check(br"[\v]", "[\x0b]") check(br"[\f]", "[\x0c]") check(br"[\r]", "[\x0d]") check(br"[\7]", "[\x07]") check(br"[\8]", r"[\8]") check(br"[\78]", "[\x078]") check(br"[\41]", "[!]") check(br"[\418]", "[!8]") check(br"[\101]", "[A]") check(br"[\1010]", "[A0]") check(br"[\x41]", "[A]") check(br"[\x410]", "[A0]") check(br"\u20ac", "\u20ac") check(br"\U0001d120", "\U0001d120") for b in range(256): if b not in b'\n"\'\\abtnvfr01234567xuUN': check(b'\\' + bytes([b]), '\\' + chr(b)) def test_decode_errors(self): decode = codecs.unicode_escape_decode for c, d in (b'x', 2), (b'u', 4), (b'U', 4): for i in range(d): self.assertRaises(UnicodeDecodeError, decode, b"\\" + c + b"0"*i) self.assertRaises(UnicodeDecodeError, decode, b"[\\" + c + b"0"*i + b"]") data = b"[\\" + c + b"0"*i + b"]\\" + c + b"0"*i self.assertEqual(decode(data, "ignore"), ("[]", len(data))) self.assertEqual(decode(data, "replace"), ("[\ufffd]\ufffd", len(data))) self.assertRaises(UnicodeDecodeError, decode, br"\U00110000") self.assertEqual(decode(br"\U00110000", "ignore"), ("", 10)) self.assertEqual(decode(br"\U00110000", "replace"), ("\ufffd", 10)) class RawUnicodeEscapeTest(unittest.TestCase): def test_empty(self): self.assertEqual(codecs.raw_unicode_escape_encode(""), (b"", 0)) self.assertEqual(codecs.raw_unicode_escape_decode(b""), ("", 0)) def test_raw_encode(self): encode = codecs.raw_unicode_escape_encode for b in range(256): self.assertEqual(encode(chr(b)), (bytes([b]), 1)) def test_raw_decode(self): decode = codecs.raw_unicode_escape_decode for b in range(256): self.assertEqual(decode(bytes([b]) + b'0'), (chr(b) + '0', 2)) def test_escape_encode(self): encode = codecs.raw_unicode_escape_encode check = coding_checker(self, encode) for b in range(256): if b not in b'uU': check('\\' + chr(b), b'\\' + bytes([b])) check('\u20ac', br'\u20ac') check('\U0001d120', br'\U0001d120') def test_escape_decode(self): decode = codecs.raw_unicode_escape_decode check = coding_checker(self, decode) for b in range(256): if b not in b'uU': check(b'\\' + bytes([b]), '\\' + chr(b)) check(br"\u20ac", "\u20ac") check(br"\U0001d120", "\U0001d120") def test_decode_errors(self): decode = codecs.raw_unicode_escape_decode for c, d in (b'u', 4), (b'U', 4): for i in range(d): self.assertRaises(UnicodeDecodeError, decode, b"\\" + c + b"0"*i) self.assertRaises(UnicodeDecodeError, decode, b"[\\" + c + b"0"*i + b"]") data = b"[\\" + c + b"0"*i + b"]\\" + c + b"0"*i self.assertEqual(decode(data, "ignore"), ("[]", len(data))) self.assertEqual(decode(data, "replace"), ("[\ufffd]\ufffd", len(data))) self.assertRaises(UnicodeDecodeError, decode, br"\U00110000") self.assertEqual(decode(br"\U00110000", "ignore"), ("", 10)) self.assertEqual(decode(br"\U00110000", "replace"), ("\ufffd", 10)) class SurrogateEscapeTest(unittest.TestCase): def test_utf8(self): # Bad byte self.assertEqual(b"foo\x80bar".decode("utf-8", "surrogateescape"), "foo\udc80bar") self.assertEqual("foo\udc80bar".encode("utf-8", "surrogateescape"), b"foo\x80bar") # bad-utf-8 encoded surrogate self.assertEqual(b"\xed\xb0\x80".decode("utf-8", "surrogateescape"), "\udced\udcb0\udc80") self.assertEqual("\udced\udcb0\udc80".encode("utf-8", "surrogateescape"), b"\xed\xb0\x80") def test_ascii(self): # bad byte self.assertEqual(b"foo\x80bar".decode("ascii", "surrogateescape"), "foo\udc80bar") self.assertEqual("foo\udc80bar".encode("ascii", "surrogateescape"), b"foo\x80bar") def test_charmap(self): # bad byte: \xa5 is unmapped in iso-8859-3 self.assertEqual(b"foo\xa5bar".decode("iso-8859-3", "surrogateescape"), "foo\udca5bar") self.assertEqual("foo\udca5bar".encode("iso-8859-3", "surrogateescape"), b"foo\xa5bar") def test_latin1(self): # Issue6373 self.assertEqual("\udce4\udceb\udcef\udcf6\udcfc".encode("latin1", "surrogateescape"), b"\xe4\xeb\xef\xf6\xfc") class BomTest(unittest.TestCase): def test_seek0(self): data = "1234567890" tests = ("utf-16", "utf-16-le", "utf-16-be", "utf-32", "utf-32-le", "utf-32-be") self.addCleanup(support.unlink, support.TESTFN) for encoding in tests: # Check if the BOM is written only once with codecs.open(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(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(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(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(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) bytes_transform_encodings = [ "base64_codec", "uu_codec", "quopri_codec", "hex_codec", ] try: import zlib except ImportError: pass else: bytes_transform_encodings.append("zlib_codec") try: import bz2 except ImportError: pass else: bytes_transform_encodings.append("bz2_codec") class TransformCodecTest(unittest.TestCase): def test_basics(self): binput = bytes(range(256)) for encoding in bytes_transform_encodings: # generic codecs interface (o, size) = codecs.getencoder(encoding)(binput) self.assertEqual(size, len(binput)) (i, size) = codecs.getdecoder(encoding)(o) self.assertEqual(size, len(o)) self.assertEqual(i, binput) def test_read(self): for encoding in bytes_transform_encodings: sin = codecs.encode(b"\x80", encoding) reader = codecs.getreader(encoding)(io.BytesIO(sin)) sout = reader.read() self.assertEqual(sout, b"\x80") def test_readline(self): for encoding in bytes_transform_encodings: if encoding in ['uu_codec', 'zlib_codec']: continue sin = codecs.encode(b"\x80", encoding) reader = codecs.getreader(encoding)(io.BytesIO(sin)) sout = reader.readline() self.assertEqual(sout, b"\x80") def test_main(): support.run_unittest( UTF32Test, UTF32LETest, UTF32BETest, UTF16Test, UTF16LETest, UTF16BETest, UTF8Test, UTF8SigTest, EscapeDecodeTest, UTF7Test, UTF16ExTest, ReadBufferTest, RecodingTest, PunycodeTest, UnicodeInternalTest, NameprepTest, IDNACodecTest, CodecsModuleTest, StreamReaderTest, EncodedFileTest, BasicUnicodeTest, CharmapTest, WithStmtTest, TypesTest, UnicodeEscapeTest, RawUnicodeEscapeTest, SurrogateEscapeTest, BomTest, TransformCodecTest, ) if __name__ == "__main__": test_main()