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Python Source  |  2005-10-18  |  27.0 KB  |  758 lines
  1. from test import test_support
  2. import unittest
  3. import codecs
  4. import sys, StringIO
  5.  
  6. class Queue(object):
  7.     """
  8.     queue: write bytes at one end, read bytes from the other end
  9.     """
  10.     def __init__(self):
  11.         self._buffer = ""
  12.  
  13.     def write(self, chars):
  14.         self._buffer += chars
  15.  
  16.     def read(self, size=-1):
  17.         if size<0:
  18.             s = self._buffer
  19.             self._buffer = ""
  20.             return s
  21.         else:
  22.             s = self._buffer[:size]
  23.             self._buffer = self._buffer[size:]
  24.             return s
  25.  
  26. class ReadTest(unittest.TestCase):
  27.     def test_seek(self):
  28.         # all codecs should be able to encode these
  29.         s = u"%s\n%s\n" % (100*u"abc123", 100*u"def456")
  30.         encoding = self.encoding
  31.         reader = codecs.getreader(encoding)(StringIO.StringIO(s.encode(encoding)))
  32.         for t in xrange(5):
  33.             # Test that calling seek resets the internal codec state and buffers
  34.             reader.seek(0, 0)
  35.             line = reader.readline()
  36.             self.assertEqual(s[:len(line)], line)
  37.  
  38.     def check_partial(self, input, partialresults):
  39.         # get a StreamReader for the encoding and feed the bytestring version
  40.         # of input to the reader byte by byte. Read every available from
  41.         # the StreamReader and check that the results equal the appropriate
  42.         # entries from partialresults.
  43.         q = Queue()
  44.         r = codecs.getreader(self.encoding)(q)
  45.         result = u""
  46.         for (c, partialresult) in zip(input.encode(self.encoding), partialresults):
  47.             q.write(c)
  48.             result += r.read()
  49.             self.assertEqual(result, partialresult)
  50.         # check that there's nothing left in the buffers
  51.         self.assertEqual(r.read(), u"")
  52.         self.assertEqual(r.bytebuffer, "")
  53.         self.assertEqual(r.charbuffer, u"")
  54.  
  55.     def test_readline(self):
  56.         def getreader(input):
  57.             stream = StringIO.StringIO(input.encode(self.encoding))
  58.             return codecs.getreader(self.encoding)(stream)
  59.  
  60.         def readalllines(input, keepends=True):
  61.             reader = getreader(input)
  62.             lines = []
  63.             while True:
  64.                 line = reader.readline(keepends=keepends)
  65.                 if not line:
  66.                     break
  67.                 lines.append(line)
  68.             return "".join(lines)
  69.  
  70.         s = u"foo\nbar\r\nbaz\rspam\u2028eggs"
  71.         self.assertEqual(readalllines(s, True), s)
  72.         self.assertEqual(readalllines(s, False), u"foobarbazspameggs")
  73.  
  74.         # Test long lines (multiple calls to read() in readline())
  75.         vw = []
  76.         vwo = []
  77.         for (i, lineend) in enumerate(u"\n \r\n \r \u2028".split()):
  78.             vw.append((i*200)*u"\3042" + lineend)
  79.             vwo.append((i*200)*u"\3042")
  80.         self.assertEqual(readalllines("".join(vw), True), "".join(vw))
  81.         self.assertEqual(readalllines("".join(vw), False),"".join(vwo))
  82.  
  83.         # Test lines where the first read might end with \r, so the
  84.         # reader has to look ahead whether this is a lone \r or a \r\n
  85.         for size in xrange(80):
  86.             for lineend in u"\n \r\n \r \u2028".split():
  87.                 s = 10*(size*u"a" + lineend + u"xxx\n")
  88.                 reader = getreader(s)
  89.                 for i in xrange(10):
  90.                     self.assertEqual(
  91.                         reader.readline(keepends=True),
  92.                         size*u"a" + lineend,
  93.                     )
  94.                 reader = getreader(s)
  95.                 for i in xrange(10):
  96.                     self.assertEqual(
  97.                         reader.readline(keepends=False),
  98.                         size*u"a",
  99.                     )
  100.  
  101.     def test_bug1175396(self):
  102.         s = [
  103.             '<%!--===================================================\r\n',
  104.             '    BLOG index page: show recent articles,\r\n',
  105.             '    today\'s articles, or articles of a specific date.\r\n',
  106.             '========================================================--%>\r\n',
  107.             '<%@inputencoding="ISO-8859-1"%>\r\n',
  108.             '<%@pagetemplate=TEMPLATE.y%>\r\n',
  109.             '<%@import=import frog.util, frog%>\r\n',
  110.             '<%@import=import frog.objects%>\r\n',
  111.             '<%@import=from frog.storageerrors import StorageError%>\r\n',
  112.             '<%\r\n',
  113.             '\r\n',
  114.             'import logging\r\n',
  115.             'log=logging.getLogger("Snakelets.logger")\r\n',
  116.             '\r\n',
  117.             '\r\n',
  118.             'user=self.SessionCtx.user\r\n',
  119.             'storageEngine=self.SessionCtx.storageEngine\r\n',
  120.             '\r\n',
  121.             '\r\n',
  122.             'def readArticlesFromDate(date, count=None):\r\n',
  123.             '    entryids=storageEngine.listBlogEntries(date)\r\n',
  124.             '    entryids.reverse() # descending\r\n',
  125.             '    if count:\r\n',
  126.             '        entryids=entryids[:count]\r\n',
  127.             '    try:\r\n',
  128.             '        return [ frog.objects.BlogEntry.load(storageEngine, date, Id) for Id in entryids ]\r\n',
  129.             '    except StorageError,x:\r\n',
  130.             '        log.error("Error loading articles: "+str(x))\r\n',
  131.             '        self.abort("cannot load articles")\r\n',
  132.             '\r\n',
  133.             'showdate=None\r\n',
  134.             '\r\n',
  135.             'arg=self.Request.getArg()\r\n',
  136.             'if arg=="today":\r\n',
  137.             '    #-------------------- TODAY\'S ARTICLES\r\n',
  138.             '    self.write("<h2>Today\'s articles</h2>")\r\n',
  139.             '    showdate = frog.util.isodatestr() \r\n',
  140.             '    entries = readArticlesFromDate(showdate)\r\n',
  141.             'elif arg=="active":\r\n',
  142.             '    #-------------------- ACTIVE ARTICLES redirect\r\n',
  143.             '    self.Yredirect("active.y")\r\n',
  144.             'elif arg=="login":\r\n',
  145.             '    #-------------------- LOGIN PAGE redirect\r\n',
  146.             '    self.Yredirect("login.y")\r\n',
  147.             'elif arg=="date":\r\n',
  148.             '    #-------------------- ARTICLES OF A SPECIFIC DATE\r\n',
  149.             '    showdate = self.Request.getParameter("date")\r\n',
  150.             '    self.write("<h2>Articles written on %s</h2>"% frog.util.mediumdatestr(showdate))\r\n',
  151.             '    entries = readArticlesFromDate(showdate)\r\n',
  152.             'else:\r\n',
  153.             '    #-------------------- RECENT ARTICLES\r\n',
  154.             '    self.write("<h2>Recent articles</h2>")\r\n',
  155.             '    dates=storageEngine.listBlogEntryDates()\r\n',
  156.             '    if dates:\r\n',
  157.             '        entries=[]\r\n',
  158.             '        SHOWAMOUNT=10\r\n',
  159.             '        for showdate in dates:\r\n',
  160.             '            entries.extend( readArticlesFromDate(showdate, SHOWAMOUNT-len(entries)) )\r\n',
  161.             '            if len(entries)>=SHOWAMOUNT:\r\n',
  162.             '                break\r\n',
  163.             '                \r\n',
  164.         ]
  165.         stream = StringIO.StringIO("".join(s).encode(self.encoding))
  166.         reader = codecs.getreader(self.encoding)(stream)
  167.         for (i, line) in enumerate(reader):
  168.             self.assertEqual(line, s[i])
  169.  
  170.     def test_readlinequeue(self):
  171.         q = Queue()
  172.         writer = codecs.getwriter(self.encoding)(q)
  173.         reader = codecs.getreader(self.encoding)(q)
  174.  
  175.         # No lineends
  176.         writer.write(u"foo\r")
  177.         self.assertEqual(reader.readline(keepends=False), u"foo")
  178.         writer.write(u"\nbar\r")
  179.         self.assertEqual(reader.readline(keepends=False), u"")
  180.         self.assertEqual(reader.readline(keepends=False), u"bar")
  181.         writer.write(u"baz")
  182.         self.assertEqual(reader.readline(keepends=False), u"baz")
  183.         self.assertEqual(reader.readline(keepends=False), u"")
  184.  
  185.         # Lineends
  186.         writer.write(u"foo\r")
  187.         self.assertEqual(reader.readline(keepends=True), u"foo\r")
  188.         writer.write(u"\nbar\r")
  189.         self.assertEqual(reader.readline(keepends=True), u"\n")
  190.         self.assertEqual(reader.readline(keepends=True), u"bar\r")
  191.         writer.write(u"baz")
  192.         self.assertEqual(reader.readline(keepends=True), u"baz")
  193.         self.assertEqual(reader.readline(keepends=True), u"")
  194.         writer.write(u"foo\r\n")
  195.         self.assertEqual(reader.readline(keepends=True), u"foo\r\n")
  196.  
  197.     def test_bug1098990_a(self):
  198.         s1 = u"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy\r\n"
  199.         s2 = u"offending line: ladfj askldfj klasdj fskla dfzaskdj fasklfj laskd fjasklfzzzzaa%whereisthis!!!\r\n"
  200.         s3 = u"next line.\r\n"
  201.  
  202.         s = (s1+s2+s3).encode(self.encoding)
  203.         stream = StringIO.StringIO(s)
  204.         reader = codecs.getreader(self.encoding)(stream)
  205.         self.assertEqual(reader.readline(), s1)
  206.         self.assertEqual(reader.readline(), s2)
  207.         self.assertEqual(reader.readline(), s3)
  208.         self.assertEqual(reader.readline(), u"")
  209.  
  210.     def test_bug1098990_b(self):
  211.         s1 = u"aaaaaaaaaaaaaaaaaaaaaaaa\r\n"
  212.         s2 = u"bbbbbbbbbbbbbbbbbbbbbbbb\r\n"
  213.         s3 = u"stillokay:bbbbxx\r\n"
  214.         s4 = u"broken!!!!badbad\r\n"
  215.         s5 = u"againokay.\r\n"
  216.  
  217.         s = (s1+s2+s3+s4+s5).encode(self.encoding)
  218.         stream = StringIO.StringIO(s)
  219.         reader = codecs.getreader(self.encoding)(stream)
  220.         self.assertEqual(reader.readline(), s1)
  221.         self.assertEqual(reader.readline(), s2)
  222.         self.assertEqual(reader.readline(), s3)
  223.         self.assertEqual(reader.readline(), s4)
  224.         self.assertEqual(reader.readline(), s5)
  225.         self.assertEqual(reader.readline(), u"")
  226.  
  227. class UTF16Test(ReadTest):
  228.     encoding = "utf-16"
  229.  
  230.     spamle = '\xff\xfes\x00p\x00a\x00m\x00s\x00p\x00a\x00m\x00'
  231.     spambe = '\xfe\xff\x00s\x00p\x00a\x00m\x00s\x00p\x00a\x00m'
  232.  
  233.     def test_only_one_bom(self):
  234.         _,_,reader,writer = codecs.lookup(self.encoding)
  235.         # encode some stream
  236.         s = StringIO.StringIO()
  237.         f = writer(s)
  238.         f.write(u"spam")
  239.         f.write(u"spam")
  240.         d = s.getvalue()
  241.         # check whether there is exactly one BOM in it
  242.         self.assert_(d == self.spamle or d == self.spambe)
  243.         # try to read it back
  244.         s = StringIO.StringIO(d)
  245.         f = reader(s)
  246.         self.assertEquals(f.read(), u"spamspam")
  247.  
  248.     def test_partial(self):
  249.         self.check_partial(
  250.             u"\x00\xff\u0100\uffff",
  251.             [
  252.                 u"", # first byte of BOM read
  253.                 u"", # second byte of BOM read => byteorder known
  254.                 u"",
  255.                 u"\x00",
  256.                 u"\x00",
  257.                 u"\x00\xff",
  258.                 u"\x00\xff",
  259.                 u"\x00\xff\u0100",
  260.                 u"\x00\xff\u0100",
  261.                 u"\x00\xff\u0100\uffff",
  262.             ]
  263.         )
  264.  
  265. class UTF16LETest(ReadTest):
  266.     encoding = "utf-16-le"
  267.  
  268.     def test_partial(self):
  269.         self.check_partial(
  270.             u"\x00\xff\u0100\uffff",
  271.             [
  272.                 u"",
  273.                 u"\x00",
  274.                 u"\x00",
  275.                 u"\x00\xff",
  276.                 u"\x00\xff",
  277.                 u"\x00\xff\u0100",
  278.                 u"\x00\xff\u0100",
  279.                 u"\x00\xff\u0100\uffff",
  280.             ]
  281.         )
  282.  
  283. class UTF16BETest(ReadTest):
  284.     encoding = "utf-16-be"
  285.  
  286.     def test_partial(self):
  287.         self.check_partial(
  288.             u"\x00\xff\u0100\uffff",
  289.             [
  290.                 u"",
  291.                 u"\x00",
  292.                 u"\x00",
  293.                 u"\x00\xff",
  294.                 u"\x00\xff",
  295.                 u"\x00\xff\u0100",
  296.                 u"\x00\xff\u0100",
  297.                 u"\x00\xff\u0100\uffff",
  298.             ]
  299.         )
  300.  
  301. class UTF8Test(ReadTest):
  302.     encoding = "utf-8"
  303.  
  304.     def test_partial(self):
  305.         self.check_partial(
  306.             u"\x00\xff\u07ff\u0800\uffff",
  307.             [
  308.                 u"\x00",
  309.                 u"\x00",
  310.                 u"\x00\xff",
  311.                 u"\x00\xff",
  312.                 u"\x00\xff\u07ff",
  313.                 u"\x00\xff\u07ff",
  314.                 u"\x00\xff\u07ff",
  315.                 u"\x00\xff\u07ff\u0800",
  316.                 u"\x00\xff\u07ff\u0800",
  317.                 u"\x00\xff\u07ff\u0800",
  318.                 u"\x00\xff\u07ff\u0800\uffff",
  319.             ]
  320.         )
  321.  
  322. class EscapeDecodeTest(unittest.TestCase):
  323.     def test_empty_escape_decode(self):
  324.         self.assertEquals(codecs.escape_decode(""), ("", 0))
  325.  
  326. class RecodingTest(unittest.TestCase):
  327.     def test_recoding(self):
  328.         f = StringIO.StringIO()
  329.         f2 = codecs.EncodedFile(f, "unicode_internal", "utf-8")
  330.         f2.write(u"a")
  331.         f2.close()
  332.         # Python used to crash on this at exit because of a refcount
  333.         # bug in _codecsmodule.c
  334.  
  335. # From RFC 3492
  336. punycode_testcases = [
  337.     # A Arabic (Egyptian):
  338.     (u"\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644"
  339.      u"\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F",
  340.      "egbpdaj6bu4bxfgehfvwxn"),
  341.     # B Chinese (simplified):
  342.     (u"\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587",
  343.      "ihqwcrb4cv8a8dqg056pqjye"),
  344.     # C Chinese (traditional):
  345.     (u"\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587",
  346.      "ihqwctvzc91f659drss3x8bo0yb"),
  347.     # D Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky
  348.     (u"\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074"
  349.      u"\u011B\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D"
  350.      u"\u0065\u0073\u006B\u0079",
  351.      "Proprostnemluvesky-uyb24dma41a"),
  352.     # E Hebrew:
  353.     (u"\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8"
  354.      u"\u05DC\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2"
  355.      u"\u05D1\u05E8\u05D9\u05EA",
  356.      "4dbcagdahymbxekheh6e0a7fei0b"),
  357.     # F Hindi (Devanagari):
  358.     (u"\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D"
  359.     u"\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939"
  360.     u"\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947"
  361.     u"\u0939\u0948\u0902",
  362.     "i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"),
  363.  
  364.     #(G) Japanese (kanji and hiragana):
  365.     (u"\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092"
  366.     u"\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B",
  367.      "n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"),
  368.  
  369.     # (H) Korean (Hangul syllables):
  370.     (u"\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774"
  371.      u"\uD55C\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74"
  372.      u"\uC5BC\uB9C8\uB098\uC88B\uC744\uAE4C",
  373.      "989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j"
  374.      "psd879ccm6fea98c"),
  375.  
  376.     # (I) Russian (Cyrillic):
  377.     (u"\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E"
  378.      u"\u043D\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440"
  379.      u"\u044F\u0442\u043F\u043E\u0440\u0443\u0441\u0441\u043A"
  380.      u"\u0438",
  381.      "b1abfaaepdrnnbgefbaDotcwatmq2g4l"),
  382.  
  383.     # (J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol
  384.     (u"\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070"
  385.      u"\u0075\u0065\u0064\u0065\u006E\u0073\u0069\u006D\u0070"
  386.      u"\u006C\u0065\u006D\u0065\u006E\u0074\u0065\u0068\u0061"
  387.      u"\u0062\u006C\u0061\u0072\u0065\u006E\u0045\u0073\u0070"
  388.      u"\u0061\u00F1\u006F\u006C",
  389.      "PorqunopuedensimplementehablarenEspaol-fmd56a"),
  390.  
  391.     # (K) Vietnamese:
  392.     #  T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch\
  393.     #   <ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t
  394.     (u"\u0054\u1EA1\u0069\u0073\u0061\u006F\u0068\u1ECD\u006B"
  395.      u"\u0068\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068"
  396.      u"\u1EC9\u006E\u00F3\u0069\u0074\u0069\u1EBF\u006E\u0067"
  397.      u"\u0056\u0069\u1EC7\u0074",
  398.      "TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"),
  399.  
  400.  
  401.     #(L) 3<nen>B<gumi><kinpachi><sensei>
  402.     (u"\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F",
  403.      "3B-ww4c5e180e575a65lsy2b"),
  404.  
  405.     # (M) <amuro><namie>-with-SUPER-MONKEYS
  406.     (u"\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074"
  407.      u"\u0068\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D"
  408.      u"\u004F\u004E\u004B\u0045\u0059\u0053",
  409.      "-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"),
  410.  
  411.     # (N) Hello-Another-Way-<sorezore><no><basho>
  412.     (u"\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F"
  413.      u"\u0074\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D"
  414.      u"\u305D\u308C\u305E\u308C\u306E\u5834\u6240",
  415.      "Hello-Another-Way--fc4qua05auwb3674vfr0b"),
  416.  
  417.     # (O) <hitotsu><yane><no><shita>2
  418.     (u"\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032",
  419.      "2-u9tlzr9756bt3uc0v"),
  420.  
  421.     # (P) Maji<de>Koi<suru>5<byou><mae>
  422.     (u"\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059"
  423.      u"\u308B\u0035\u79D2\u524D",
  424.      "MajiKoi5-783gue6qz075azm5e"),
  425.  
  426.      # (Q) <pafii>de<runba>
  427.     (u"\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0",
  428.      "de-jg4avhby1noc0d"),
  429.  
  430.     # (R) <sono><supiido><de>
  431.     (u"\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067",
  432.      "d9juau41awczczp"),
  433.  
  434.     # (S) -> $1.00 <-
  435.     (u"\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020"
  436.      u"\u003C\u002D",
  437.      "-> $1.00 <--")
  438.     ]
  439.  
  440. for i in punycode_testcases:
  441.     if len(i)!=2:
  442.         print repr(i)
  443.  
  444. class PunycodeTest(unittest.TestCase):
  445.     def test_encode(self):
  446.         for uni, puny in punycode_testcases:
  447.             # Need to convert both strings to lower case, since
  448.             # some of the extended encodings use upper case, but our
  449.             # code produces only lower case. Converting just puny to
  450.             # lower is also insufficient, since some of the input characters
  451.             # are upper case.
  452.             self.assertEquals(uni.encode("punycode").lower(), puny.lower())
  453.  
  454.     def test_decode(self):
  455.         for uni, puny in punycode_testcases:
  456.             self.assertEquals(uni, puny.decode("punycode"))
  457.  
  458. class UnicodeInternalTest(unittest.TestCase):
  459.     def test_bug1251300(self):
  460.         # Decoding with unicode_internal used to not correctly handle "code
  461.         # points" above 0x10ffff on UCS-4 builds.
  462.         if sys.maxunicode > 0xffff:
  463.             ok = [
  464.                 ("\x00\x10\xff\xff", u"\U0010ffff"),
  465.                 ("\x00\x00\x01\x01", u"\U00000101"),
  466.                 ("", u""),
  467.             ]
  468.             not_ok = [
  469.                 "\x7f\xff\xff\xff",
  470.                 "\x80\x00\x00\x00",
  471.                 "\x81\x00\x00\x00",
  472.                 "\x00",
  473.                 "\x00\x00\x00\x00\x00",
  474.             ]
  475.             for internal, uni in ok:
  476.                 if sys.byteorder == "little":
  477.                     internal = "".join(reversed(internal))
  478.                 self.assertEquals(uni, internal.decode("unicode_internal"))
  479.             for internal in not_ok:
  480.                 if sys.byteorder == "little":
  481.                     internal = "".join(reversed(internal))
  482.                 self.assertRaises(UnicodeDecodeError, internal.decode,
  483.                     "unicode_internal")
  484.  
  485.     def test_decode_error_attributes(self):
  486.         if sys.maxunicode > 0xffff:
  487.             try:
  488.                 "\x00\x00\x00\x00\x00\x11\x11\x00".decode("unicode_internal")
  489.             except UnicodeDecodeError, ex:
  490.                 self.assertEquals("unicode_internal", ex.encoding)
  491.                 self.assertEquals("\x00\x00\x00\x00\x00\x11\x11\x00", ex.object)
  492.                 self.assertEquals(4, ex.start)
  493.                 self.assertEquals(8, ex.end)
  494.             else:
  495.                 self.fail()
  496.  
  497.     def test_decode_callback(self):
  498.         if sys.maxunicode > 0xffff:
  499.             codecs.register_error("UnicodeInternalTest", codecs.ignore_errors)
  500.             decoder = codecs.getdecoder("unicode_internal")
  501.             ab = u"ab".encode("unicode_internal")
  502.             ignored = decoder("%s\x22\x22\x22\x22%s" % (ab[:4], ab[4:]),
  503.                 "UnicodeInternalTest")
  504.             self.assertEquals((u"ab", 12), ignored)
  505.  
  506. # From http://www.gnu.org/software/libidn/draft-josefsson-idn-test-vectors.html
  507. nameprep_tests = [
  508.     # 3.1 Map to nothing.
  509.     ('foo\xc2\xad\xcd\x8f\xe1\xa0\x86\xe1\xa0\x8bbar'
  510.      '\xe2\x80\x8b\xe2\x81\xa0baz\xef\xb8\x80\xef\xb8\x88\xef'
  511.      '\xb8\x8f\xef\xbb\xbf',
  512.      'foobarbaz'),
  513.     # 3.2 Case folding ASCII U+0043 U+0041 U+0046 U+0045.
  514.     ('CAFE',
  515.      'cafe'),
  516.     # 3.3 Case folding 8bit U+00DF (german sharp s).
  517.     # The original test case is bogus; it says \xc3\xdf
  518.     ('\xc3\x9f',
  519.      'ss'),
  520.     # 3.4 Case folding U+0130 (turkish capital I with dot).
  521.     ('\xc4\xb0',
  522.      'i\xcc\x87'),
  523.     # 3.5 Case folding multibyte U+0143 U+037A.
  524.     ('\xc5\x83\xcd\xba',
  525.      '\xc5\x84 \xce\xb9'),
  526.     # 3.6 Case folding U+2121 U+33C6 U+1D7BB.
  527.     # XXX: skip this as it fails in UCS-2 mode
  528.     #('\xe2\x84\xa1\xe3\x8f\x86\xf0\x9d\x9e\xbb',
  529.     # 'telc\xe2\x88\x95kg\xcf\x83'),
  530.     (None, None),
  531.     # 3.7 Normalization of U+006a U+030c U+00A0 U+00AA.
  532.     ('j\xcc\x8c\xc2\xa0\xc2\xaa',
  533.      '\xc7\xb0 a'),
  534.     # 3.8 Case folding U+1FB7 and normalization.
  535.     ('\xe1\xbe\xb7',
  536.      '\xe1\xbe\xb6\xce\xb9'),
  537.     # 3.9 Self-reverting case folding U+01F0 and normalization.
  538.     # The original test case is bogus, it says `\xc7\xf0'
  539.     ('\xc7\xb0',
  540.      '\xc7\xb0'),
  541.     # 3.10 Self-reverting case folding U+0390 and normalization.
  542.     ('\xce\x90',
  543.      '\xce\x90'),
  544.     # 3.11 Self-reverting case folding U+03B0 and normalization.
  545.     ('\xce\xb0',
  546.      '\xce\xb0'),
  547.     # 3.12 Self-reverting case folding U+1E96 and normalization.
  548.     ('\xe1\xba\x96',
  549.      '\xe1\xba\x96'),
  550.     # 3.13 Self-reverting case folding U+1F56 and normalization.
  551.     ('\xe1\xbd\x96',
  552.      '\xe1\xbd\x96'),
  553.     # 3.14 ASCII space character U+0020.
  554.     (' ',
  555.      ' '),
  556.     # 3.15 Non-ASCII 8bit space character U+00A0.
  557.     ('\xc2\xa0',
  558.      ' '),
  559.     # 3.16 Non-ASCII multibyte space character U+1680.
  560.     ('\xe1\x9a\x80',
  561.      None),
  562.     # 3.17 Non-ASCII multibyte space character U+2000.
  563.     ('\xe2\x80\x80',
  564.      ' '),
  565.     # 3.18 Zero Width Space U+200b.
  566.     ('\xe2\x80\x8b',
  567.      ''),
  568.     # 3.19 Non-ASCII multibyte space character U+3000.
  569.     ('\xe3\x80\x80',
  570.      ' '),
  571.     # 3.20 ASCII control characters U+0010 U+007F.
  572.     ('\x10\x7f',
  573.      '\x10\x7f'),
  574.     # 3.21 Non-ASCII 8bit control character U+0085.
  575.     ('\xc2\x85',
  576.      None),
  577.     # 3.22 Non-ASCII multibyte control character U+180E.
  578.     ('\xe1\xa0\x8e',
  579.      None),
  580.     # 3.23 Zero Width No-Break Space U+FEFF.
  581.     ('\xef\xbb\xbf',
  582.      ''),
  583.     # 3.24 Non-ASCII control character U+1D175.
  584.     ('\xf0\x9d\x85\xb5',
  585.      None),
  586.     # 3.25 Plane 0 private use character U+F123.
  587.     ('\xef\x84\xa3',
  588.      None),
  589.     # 3.26 Plane 15 private use character U+F1234.
  590.     ('\xf3\xb1\x88\xb4',
  591.      None),
  592.     # 3.27 Plane 16 private use character U+10F234.
  593.     ('\xf4\x8f\x88\xb4',
  594.      None),
  595.     # 3.28 Non-character code point U+8FFFE.
  596.     ('\xf2\x8f\xbf\xbe',
  597.      None),
  598.     # 3.29 Non-character code point U+10FFFF.
  599.     ('\xf4\x8f\xbf\xbf',
  600.      None),
  601.     # 3.30 Surrogate code U+DF42.
  602.     ('\xed\xbd\x82',
  603.      None),
  604.     # 3.31 Non-plain text character U+FFFD.
  605.     ('\xef\xbf\xbd',
  606.      None),
  607.     # 3.32 Ideographic description character U+2FF5.
  608.     ('\xe2\xbf\xb5',
  609.      None),
  610.     # 3.33 Display property character U+0341.
  611.     ('\xcd\x81',
  612.      '\xcc\x81'),
  613.     # 3.34 Left-to-right mark U+200E.
  614.     ('\xe2\x80\x8e',
  615.      None),
  616.     # 3.35 Deprecated U+202A.
  617.     ('\xe2\x80\xaa',
  618.      None),
  619.     # 3.36 Language tagging character U+E0001.
  620.     ('\xf3\xa0\x80\x81',
  621.      None),
  622.     # 3.37 Language tagging character U+E0042.
  623.     ('\xf3\xa0\x81\x82',
  624.      None),
  625.     # 3.38 Bidi: RandALCat character U+05BE and LCat characters.
  626.     ('foo\xd6\xbebar',
  627.      None),
  628.     # 3.39 Bidi: RandALCat character U+FD50 and LCat characters.
  629.     ('foo\xef\xb5\x90bar',
  630.      None),
  631.     # 3.40 Bidi: RandALCat character U+FB38 and LCat characters.
  632.     ('foo\xef\xb9\xb6bar',
  633.      'foo \xd9\x8ebar'),
  634.     # 3.41 Bidi: RandALCat without trailing RandALCat U+0627 U+0031.
  635.     ('\xd8\xa71',
  636.      None),
  637.     # 3.42 Bidi: RandALCat character U+0627 U+0031 U+0628.
  638.     ('\xd8\xa71\xd8\xa8',
  639.      '\xd8\xa71\xd8\xa8'),
  640.     # 3.43 Unassigned code point U+E0002.
  641.     # Skip this test as we allow unassigned
  642.     #('\xf3\xa0\x80\x82',
  643.     # None),
  644.     (None, None),
  645.     # 3.44 Larger test (shrinking).
  646.     # Original test case reads \xc3\xdf
  647.     ('X\xc2\xad\xc3\x9f\xc4\xb0\xe2\x84\xa1j\xcc\x8c\xc2\xa0\xc2'
  648.      '\xaa\xce\xb0\xe2\x80\x80',
  649.      'xssi\xcc\x87tel\xc7\xb0 a\xce\xb0 '),
  650.     # 3.45 Larger test (expanding).
  651.     # Original test case reads \xc3\x9f
  652.     ('X\xc3\x9f\xe3\x8c\x96\xc4\xb0\xe2\x84\xa1\xe2\x92\x9f\xe3\x8c'
  653.      '\x80',
  654.      'xss\xe3\x82\xad\xe3\x83\xad\xe3\x83\xa1\xe3\x83\xbc\xe3'
  655.      '\x83\x88\xe3\x83\xabi\xcc\x87tel\x28d\x29\xe3\x82'
  656.      '\xa2\xe3\x83\x91\xe3\x83\xbc\xe3\x83\x88')
  657.     ]
  658.  
  659.  
  660. class NameprepTest(unittest.TestCase):
  661.     def test_nameprep(self):
  662.         from encodings.idna import nameprep
  663.         for pos, (orig, prepped) in enumerate(nameprep_tests):
  664.             if orig is None:
  665.                 # Skipped
  666.                 continue
  667.             # The Unicode strings are given in UTF-8
  668.             orig = unicode(orig, "utf-8")
  669.             if prepped is None:
  670.                 # Input contains prohibited characters
  671.                 self.assertRaises(UnicodeError, nameprep, orig)
  672.             else:
  673.                 prepped = unicode(prepped, "utf-8")
  674.                 try:
  675.                     self.assertEquals(nameprep(orig), prepped)
  676.                 except Exception,e:
  677.                     raise test_support.TestFailed("Test 3.%d: %s" % (pos+1, str(e)))
  678.  
  679. class CodecTest(unittest.TestCase):
  680.     def test_builtin(self):
  681.         self.assertEquals(unicode("python.org", "idna"), u"python.org")
  682.  
  683.     def test_stream(self):
  684.         import StringIO
  685.         r = codecs.getreader("idna")(StringIO.StringIO("abc"))
  686.         r.read(3)
  687.         self.assertEquals(r.read(), u"")
  688.  
  689. class CodecsModuleTest(unittest.TestCase):
  690.  
  691.     def test_decode(self):
  692.         self.assertEquals(codecs.decode('\xe4\xf6\xfc', 'latin-1'),
  693.                           u'\xe4\xf6\xfc')
  694.         self.assertRaises(TypeError, codecs.decode)
  695.         self.assertEquals(codecs.decode('abc'), u'abc')
  696.         self.assertRaises(UnicodeDecodeError, codecs.decode, '\xff', 'ascii')
  697.  
  698.     def test_encode(self):
  699.         self.assertEquals(codecs.encode(u'\xe4\xf6\xfc', 'latin-1'),
  700.                           '\xe4\xf6\xfc')
  701.         self.assertRaises(TypeError, codecs.encode)
  702.         self.assertEquals(codecs.encode(u'abc'), 'abc')
  703.         self.assertRaises(UnicodeEncodeError, codecs.encode, u'\xffff', 'ascii')
  704.  
  705.     def test_register(self):
  706.         self.assertRaises(TypeError, codecs.register)
  707.  
  708.     def test_lookup(self):
  709.         self.assertRaises(TypeError, codecs.lookup)
  710.         self.assertRaises(LookupError, codecs.lookup, "__spam__")
  711.  
  712. class StreamReaderTest(unittest.TestCase):
  713.  
  714.     def setUp(self):
  715.         self.reader = codecs.getreader('utf-8')
  716.         self.stream = StringIO.StringIO('\xed\x95\x9c\n\xea\xb8\x80')
  717.  
  718.     def test_readlines(self):
  719.         f = self.reader(self.stream)
  720.         self.assertEquals(f.readlines(), [u'\ud55c\n', u'\uae00'])
  721.  
  722. class Str2StrTest(unittest.TestCase):
  723.  
  724.     def test_read(self):
  725.         sin = "\x80".encode("base64_codec")
  726.         reader = codecs.getreader("base64_codec")(StringIO.StringIO(sin))
  727.         sout = reader.read()
  728.         self.assertEqual(sout, "\x80")
  729.         self.assert_(isinstance(sout, str))
  730.  
  731.     def test_readline(self):
  732.         sin = "\x80".encode("base64_codec")
  733.         reader = codecs.getreader("base64_codec")(StringIO.StringIO(sin))
  734.         sout = reader.readline()
  735.         self.assertEqual(sout, "\x80")
  736.         self.assert_(isinstance(sout, str))
  737.  
  738. def test_main():
  739.     test_support.run_unittest(
  740.         UTF16Test,
  741.         UTF16LETest,
  742.         UTF16BETest,
  743.         UTF8Test,
  744.         EscapeDecodeTest,
  745.         RecodingTest,
  746.         PunycodeTest,
  747.         UnicodeInternalTest,
  748.         NameprepTest,
  749.         CodecTest,
  750.         CodecsModuleTest,
  751.         StreamReaderTest,
  752.         Str2StrTest
  753.     )
  754.  
  755.  
  756. if __name__ == "__main__":
  757.     test_main()
  758.