| from test import support |
| import unittest |
| import codecs |
| import locale |
| import sys, _testcapi, io |
| |
| 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("<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 = 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", |
| [ |
| "", # 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", |
| ] |
| ) |
| |
| 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", |
| [ |
| "", |
| "", |
| "", |
| "\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", |
| ] |
| ) |
| |
| 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", |
| [ |
| "", |
| "", |
| "", |
| "\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", |
| ] |
| ) |
| |
| 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", |
| [ |
| "", # 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", |
| ] |
| ) |
| |
| 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", |
| [ |
| "", |
| "\x00", |
| "\x00", |
| "\x00\xff", |
| "\x00\xff", |
| "\x00\xff\u0100", |
| "\x00\xff\u0100", |
| "\x00\xff\u0100\uffff", |
| ] |
| ) |
| |
| def test_errors(self): |
| self.assertRaises(UnicodeDecodeError, codecs.utf_16_le_decode, |
| b"\xff", "strict", True) |
| |
| 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", |
| [ |
| "", |
| "\x00", |
| "\x00", |
| "\x00\xff", |
| "\x00\xff", |
| "\x00\xff\u0100", |
| "\x00\xff\u0100", |
| "\x00\xff\u0100\uffff", |
| ] |
| ) |
| |
| def test_errors(self): |
| self.assertRaises(UnicodeDecodeError, codecs.utf_16_be_decode, |
| b"\xff", "strict", True) |
| |
| 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", |
| [ |
| "\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", |
| ] |
| ) |
| |
| 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")) |
| |
| 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", |
| [ |
| "", |
| "", |
| "", # 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", |
| ] |
| ) |
| |
| 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(""), ("", 0)) |
| |
| 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: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky |
| ("\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: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol |
| ("\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: |
| # T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch\ |
| # <ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t |
| ("\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) 3<nen>B<gumi><kinpachi><sensei> |
| ("\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F", |
| b"3B-ww4c5e180e575a65lsy2b"), |
| |
| # (M) <amuro><namie>-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-<sorezore><no><basho> |
| ("\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) <hitotsu><yane><no><shita>2 |
| ("\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032", |
| b"2-u9tlzr9756bt3uc0v"), |
| |
| # (P) Maji<de>Koi<suru>5<byou><mae> |
| ("\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059" |
| "\u308B\u0035\u79D2\u524D", |
| b"MajiKoi5-783gue6qz075azm5e"), |
| |
| # (Q) <pafii>de<runba> |
| ("\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0", |
| b"de-jg4avhby1noc0d"), |
| |
| # (R) <sono><supiido><de> |
| ("\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.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)) |
| ) |
| |
| 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 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, |
| UTF7Test, |
| UTF16ExTest, |
| ReadBufferTest, |
| RecodingTest, |
| PunycodeTest, |
| UnicodeInternalTest, |
| NameprepTest, |
| IDNACodecTest, |
| CodecsModuleTest, |
| StreamReaderTest, |
| EncodedFileTest, |
| BasicUnicodeTest, |
| CharmapTest, |
| WithStmtTest, |
| TypesTest, |
| SurrogateEscapeTest, |
| BomTest, |
| TransformCodecTest, |
| ) |
| |
| |
| if __name__ == "__main__": |
| test_main() |