| import codecs |
| import html.entities |
| import sys |
| import test.support |
| import unicodedata |
| import unittest |
| import warnings |
| |
| try: |
| import ctypes |
| except ImportError: |
| ctypes = None |
| SIZEOF_WCHAR_T = -1 |
| else: |
| SIZEOF_WCHAR_T = ctypes.sizeof(ctypes.c_wchar) |
| |
| class PosReturn: |
| # this can be used for configurable callbacks |
| |
| def __init__(self): |
| self.pos = 0 |
| |
| def handle(self, exc): |
| oldpos = self.pos |
| realpos = oldpos |
| if realpos<0: |
| realpos = len(exc.object) + realpos |
| # if we don't advance this time, terminate on the next call |
| # otherwise we'd get an endless loop |
| if realpos <= exc.start: |
| self.pos = len(exc.object) |
| return ("<?>", oldpos) |
| |
| # A UnicodeEncodeError object with a bad start attribute |
| class BadStartUnicodeEncodeError(UnicodeEncodeError): |
| def __init__(self): |
| UnicodeEncodeError.__init__(self, "ascii", "", 0, 1, "bad") |
| self.start = [] |
| |
| # A UnicodeEncodeError object with a bad object attribute |
| class BadObjectUnicodeEncodeError(UnicodeEncodeError): |
| def __init__(self): |
| UnicodeEncodeError.__init__(self, "ascii", "", 0, 1, "bad") |
| self.object = [] |
| |
| # A UnicodeDecodeError object without an end attribute |
| class NoEndUnicodeDecodeError(UnicodeDecodeError): |
| def __init__(self): |
| UnicodeDecodeError.__init__(self, "ascii", bytearray(b""), 0, 1, "bad") |
| del self.end |
| |
| # A UnicodeDecodeError object with a bad object attribute |
| class BadObjectUnicodeDecodeError(UnicodeDecodeError): |
| def __init__(self): |
| UnicodeDecodeError.__init__(self, "ascii", bytearray(b""), 0, 1, "bad") |
| self.object = [] |
| |
| # A UnicodeTranslateError object without a start attribute |
| class NoStartUnicodeTranslateError(UnicodeTranslateError): |
| def __init__(self): |
| UnicodeTranslateError.__init__(self, "", 0, 1, "bad") |
| del self.start |
| |
| # A UnicodeTranslateError object without an end attribute |
| class NoEndUnicodeTranslateError(UnicodeTranslateError): |
| def __init__(self): |
| UnicodeTranslateError.__init__(self, "", 0, 1, "bad") |
| del self.end |
| |
| # A UnicodeTranslateError object without an object attribute |
| class NoObjectUnicodeTranslateError(UnicodeTranslateError): |
| def __init__(self): |
| UnicodeTranslateError.__init__(self, "", 0, 1, "bad") |
| del self.object |
| |
| class CodecCallbackTest(unittest.TestCase): |
| |
| def test_xmlcharrefreplace(self): |
| # replace unencodable characters which numeric character entities. |
| # For ascii, latin-1 and charmaps this is completely implemented |
| # in C and should be reasonably fast. |
| s = "\u30b9\u30d1\u30e2 \xe4nd eggs" |
| self.assertEqual( |
| s.encode("ascii", "xmlcharrefreplace"), |
| b"スパモ änd eggs" |
| ) |
| self.assertEqual( |
| s.encode("latin-1", "xmlcharrefreplace"), |
| b"スパモ \xe4nd eggs" |
| ) |
| |
| def test_xmlcharnamereplace(self): |
| # This time use a named character entity for unencodable |
| # characters, if one is available. |
| |
| def xmlcharnamereplace(exc): |
| if not isinstance(exc, UnicodeEncodeError): |
| raise TypeError("don't know how to handle %r" % exc) |
| l = [] |
| for c in exc.object[exc.start:exc.end]: |
| try: |
| l.append("&%s;" % html.entities.codepoint2name[ord(c)]) |
| except KeyError: |
| l.append("&#%d;" % ord(c)) |
| return ("".join(l), exc.end) |
| |
| codecs.register_error( |
| "test.xmlcharnamereplace", xmlcharnamereplace) |
| |
| sin = "\xab\u211c\xbb = \u2329\u1234\u20ac\u232a" |
| sout = b"«ℜ» = ⟨ሴ€⟩" |
| self.assertEqual(sin.encode("ascii", "test.xmlcharnamereplace"), sout) |
| sout = b"\xabℜ\xbb = ⟨ሴ€⟩" |
| self.assertEqual(sin.encode("latin-1", "test.xmlcharnamereplace"), sout) |
| sout = b"\xabℜ\xbb = ⟨ሴ\xa4⟩" |
| self.assertEqual(sin.encode("iso-8859-15", "test.xmlcharnamereplace"), sout) |
| |
| def test_uninamereplace(self): |
| # We're using the names from the unicode database this time, |
| # and we're doing "syntax highlighting" here, i.e. we include |
| # the replaced text in ANSI escape sequences. For this it is |
| # useful that the error handler is not called for every single |
| # unencodable character, but for a complete sequence of |
| # unencodable characters, otherwise we would output many |
| # unnecessary escape sequences. |
| |
| def uninamereplace(exc): |
| if not isinstance(exc, UnicodeEncodeError): |
| raise TypeError("don't know how to handle %r" % exc) |
| l = [] |
| for c in exc.object[exc.start:exc.end]: |
| l.append(unicodedata.name(c, "0x%x" % ord(c))) |
| return ("\033[1m%s\033[0m" % ", ".join(l), exc.end) |
| |
| codecs.register_error( |
| "test.uninamereplace", uninamereplace) |
| |
| sin = "\xac\u1234\u20ac\u8000" |
| sout = b"\033[1mNOT SIGN, ETHIOPIC SYLLABLE SEE, EURO SIGN, CJK UNIFIED IDEOGRAPH-8000\033[0m" |
| self.assertEqual(sin.encode("ascii", "test.uninamereplace"), sout) |
| |
| sout = b"\xac\033[1mETHIOPIC SYLLABLE SEE, EURO SIGN, CJK UNIFIED IDEOGRAPH-8000\033[0m" |
| self.assertEqual(sin.encode("latin-1", "test.uninamereplace"), sout) |
| |
| sout = b"\xac\033[1mETHIOPIC SYLLABLE SEE\033[0m\xa4\033[1mCJK UNIFIED IDEOGRAPH-8000\033[0m" |
| self.assertEqual(sin.encode("iso-8859-15", "test.uninamereplace"), sout) |
| |
| def test_backslashescape(self): |
| # Does the same as the "unicode-escape" encoding, but with different |
| # base encodings. |
| sin = "a\xac\u1234\u20ac\u8000\U0010ffff" |
| sout = b"a\\xac\\u1234\\u20ac\\u8000\\U0010ffff" |
| self.assertEqual(sin.encode("ascii", "backslashreplace"), sout) |
| |
| sout = b"a\xac\\u1234\\u20ac\\u8000\\U0010ffff" |
| self.assertEqual(sin.encode("latin-1", "backslashreplace"), sout) |
| |
| sout = b"a\xac\\u1234\xa4\\u8000\\U0010ffff" |
| self.assertEqual(sin.encode("iso-8859-15", "backslashreplace"), sout) |
| |
| def test_decoding_callbacks(self): |
| # This is a test for a decoding callback handler |
| # that allows the decoding of the invalid sequence |
| # "\xc0\x80" and returns "\x00" instead of raising an error. |
| # All other illegal sequences will be handled strictly. |
| def relaxedutf8(exc): |
| if not isinstance(exc, UnicodeDecodeError): |
| raise TypeError("don't know how to handle %r" % exc) |
| if exc.object[exc.start:exc.start+2] == b"\xc0\x80": |
| return ("\x00", exc.start+2) # retry after two bytes |
| else: |
| raise exc |
| |
| codecs.register_error("test.relaxedutf8", relaxedutf8) |
| |
| # all the "\xc0\x80" will be decoded to "\x00" |
| sin = b"a\x00b\xc0\x80c\xc3\xbc\xc0\x80\xc0\x80" |
| sout = "a\x00b\x00c\xfc\x00\x00" |
| self.assertEqual(sin.decode("utf-8", "test.relaxedutf8"), sout) |
| |
| # "\xc0\x81" is not valid and a UnicodeDecodeError will be raised |
| sin = b"\xc0\x80\xc0\x81" |
| self.assertRaises(UnicodeDecodeError, sin.decode, |
| "utf-8", "test.relaxedutf8") |
| |
| def test_charmapencode(self): |
| # For charmap encodings the replacement string will be |
| # mapped through the encoding again. This means, that |
| # to be able to use e.g. the "replace" handler, the |
| # charmap has to have a mapping for "?". |
| charmap = dict((ord(c), bytes(2*c.upper(), 'ascii')) for c in "abcdefgh") |
| sin = "abc" |
| sout = b"AABBCC" |
| self.assertEqual(codecs.charmap_encode(sin, "strict", charmap)[0], sout) |
| |
| sin = "abcA" |
| self.assertRaises(UnicodeError, codecs.charmap_encode, sin, "strict", charmap) |
| |
| charmap[ord("?")] = b"XYZ" |
| sin = "abcDEF" |
| sout = b"AABBCCXYZXYZXYZ" |
| self.assertEqual(codecs.charmap_encode(sin, "replace", charmap)[0], sout) |
| |
| charmap[ord("?")] = "XYZ" # wrong type in mapping |
| self.assertRaises(TypeError, codecs.charmap_encode, sin, "replace", charmap) |
| |
| def test_decodeunicodeinternal(self): |
| with test.support.check_warnings(('unicode_internal codec has been ' |
| 'deprecated', DeprecationWarning)): |
| self.assertRaises( |
| UnicodeDecodeError, |
| b"\x00\x00\x00\x00\x00".decode, |
| "unicode-internal", |
| ) |
| if SIZEOF_WCHAR_T == 4: |
| def handler_unicodeinternal(exc): |
| if not isinstance(exc, UnicodeDecodeError): |
| raise TypeError("don't know how to handle %r" % exc) |
| return ("\x01", 1) |
| |
| with test.support.check_warnings(('unicode_internal codec has been ' |
| 'deprecated', DeprecationWarning)): |
| self.assertEqual( |
| b"\x00\x00\x00\x00\x00".decode("unicode-internal", "ignore"), |
| "\u0000" |
| ) |
| |
| self.assertEqual( |
| b"\x00\x00\x00\x00\x00".decode("unicode-internal", "replace"), |
| "\u0000\ufffd" |
| ) |
| |
| codecs.register_error("test.hui", handler_unicodeinternal) |
| |
| self.assertEqual( |
| b"\x00\x00\x00\x00\x00".decode("unicode-internal", "test.hui"), |
| "\u0000\u0001\u0000" |
| ) |
| |
| def test_callbacks(self): |
| def handler1(exc): |
| r = range(exc.start, exc.end) |
| if isinstance(exc, UnicodeEncodeError): |
| l = ["<%d>" % ord(exc.object[pos]) for pos in r] |
| elif isinstance(exc, UnicodeDecodeError): |
| l = ["<%d>" % exc.object[pos] for pos in r] |
| else: |
| raise TypeError("don't know how to handle %r" % exc) |
| return ("[%s]" % "".join(l), exc.end) |
| |
| codecs.register_error("test.handler1", handler1) |
| |
| def handler2(exc): |
| if not isinstance(exc, UnicodeDecodeError): |
| raise TypeError("don't know how to handle %r" % exc) |
| l = ["<%d>" % exc.object[pos] for pos in range(exc.start, exc.end)] |
| return ("[%s]" % "".join(l), exc.end+1) # skip one character |
| |
| codecs.register_error("test.handler2", handler2) |
| |
| s = b"\x00\x81\x7f\x80\xff" |
| |
| self.assertEqual( |
| s.decode("ascii", "test.handler1"), |
| "\x00[<129>]\x7f[<128>][<255>]" |
| ) |
| self.assertEqual( |
| s.decode("ascii", "test.handler2"), |
| "\x00[<129>][<128>]" |
| ) |
| |
| self.assertEqual( |
| b"\\u3042\u3xxx".decode("unicode-escape", "test.handler1"), |
| "\u3042[<92><117><51>]xxx" |
| ) |
| |
| self.assertEqual( |
| b"\\u3042\u3xx".decode("unicode-escape", "test.handler1"), |
| "\u3042[<92><117><51>]xx" |
| ) |
| |
| self.assertEqual( |
| codecs.charmap_decode(b"abc", "test.handler1", {ord("a"): "z"})[0], |
| "z[<98>][<99>]" |
| ) |
| |
| self.assertEqual( |
| "g\xfc\xdfrk".encode("ascii", "test.handler1"), |
| b"g[<252><223>]rk" |
| ) |
| |
| self.assertEqual( |
| "g\xfc\xdf".encode("ascii", "test.handler1"), |
| b"g[<252><223>]" |
| ) |
| |
| def test_longstrings(self): |
| # test long strings to check for memory overflow problems |
| errors = [ "strict", "ignore", "replace", "xmlcharrefreplace", |
| "backslashreplace"] |
| # register the handlers under different names, |
| # to prevent the codec from recognizing the name |
| for err in errors: |
| codecs.register_error("test." + err, codecs.lookup_error(err)) |
| l = 1000 |
| errors += [ "test." + err for err in errors ] |
| for uni in [ s*l for s in ("x", "\u3042", "a\xe4") ]: |
| for enc in ("ascii", "latin-1", "iso-8859-1", "iso-8859-15", |
| "utf-8", "utf-7", "utf-16", "utf-32"): |
| for err in errors: |
| try: |
| uni.encode(enc, err) |
| except UnicodeError: |
| pass |
| |
| def check_exceptionobjectargs(self, exctype, args, msg): |
| # Test UnicodeError subclasses: construction, attribute assignment and __str__ conversion |
| # check with one missing argument |
| self.assertRaises(TypeError, exctype, *args[:-1]) |
| # check with one argument too much |
| self.assertRaises(TypeError, exctype, *(args + ["too much"])) |
| # check with one argument of the wrong type |
| wrongargs = [ "spam", b"eggs", b"spam", 42, 1.0, None ] |
| for i in range(len(args)): |
| for wrongarg in wrongargs: |
| if type(wrongarg) is type(args[i]): |
| continue |
| # build argument array |
| callargs = [] |
| for j in range(len(args)): |
| if i==j: |
| callargs.append(wrongarg) |
| else: |
| callargs.append(args[i]) |
| self.assertRaises(TypeError, exctype, *callargs) |
| |
| # check with the correct number and type of arguments |
| exc = exctype(*args) |
| self.assertEqual(str(exc), msg) |
| |
| def test_unicodeencodeerror(self): |
| self.check_exceptionobjectargs( |
| UnicodeEncodeError, |
| ["ascii", "g\xfcrk", 1, 2, "ouch"], |
| "'ascii' codec can't encode character '\\xfc' in position 1: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeEncodeError, |
| ["ascii", "g\xfcrk", 1, 4, "ouch"], |
| "'ascii' codec can't encode characters in position 1-3: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeEncodeError, |
| ["ascii", "\xfcx", 0, 1, "ouch"], |
| "'ascii' codec can't encode character '\\xfc' in position 0: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeEncodeError, |
| ["ascii", "\u0100x", 0, 1, "ouch"], |
| "'ascii' codec can't encode character '\\u0100' in position 0: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeEncodeError, |
| ["ascii", "\uffffx", 0, 1, "ouch"], |
| "'ascii' codec can't encode character '\\uffff' in position 0: ouch" |
| ) |
| if SIZEOF_WCHAR_T == 4: |
| self.check_exceptionobjectargs( |
| UnicodeEncodeError, |
| ["ascii", "\U00010000x", 0, 1, "ouch"], |
| "'ascii' codec can't encode character '\\U00010000' in position 0: ouch" |
| ) |
| |
| def test_unicodedecodeerror(self): |
| self.check_exceptionobjectargs( |
| UnicodeDecodeError, |
| ["ascii", bytearray(b"g\xfcrk"), 1, 2, "ouch"], |
| "'ascii' codec can't decode byte 0xfc in position 1: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeDecodeError, |
| ["ascii", bytearray(b"g\xfcrk"), 1, 3, "ouch"], |
| "'ascii' codec can't decode bytes in position 1-2: ouch" |
| ) |
| |
| def test_unicodetranslateerror(self): |
| self.check_exceptionobjectargs( |
| UnicodeTranslateError, |
| ["g\xfcrk", 1, 2, "ouch"], |
| "can't translate character '\\xfc' in position 1: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeTranslateError, |
| ["g\u0100rk", 1, 2, "ouch"], |
| "can't translate character '\\u0100' in position 1: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeTranslateError, |
| ["g\uffffrk", 1, 2, "ouch"], |
| "can't translate character '\\uffff' in position 1: ouch" |
| ) |
| if SIZEOF_WCHAR_T == 4: |
| self.check_exceptionobjectargs( |
| UnicodeTranslateError, |
| ["g\U00010000rk", 1, 2, "ouch"], |
| "can't translate character '\\U00010000' in position 1: ouch" |
| ) |
| self.check_exceptionobjectargs( |
| UnicodeTranslateError, |
| ["g\xfcrk", 1, 3, "ouch"], |
| "can't translate characters in position 1-2: ouch" |
| ) |
| |
| def test_badandgoodstrictexceptions(self): |
| # "strict" complains about a non-exception passed in |
| self.assertRaises( |
| TypeError, |
| codecs.strict_errors, |
| 42 |
| ) |
| # "strict" complains about the wrong exception type |
| self.assertRaises( |
| Exception, |
| codecs.strict_errors, |
| Exception("ouch") |
| ) |
| |
| # If the correct exception is passed in, "strict" raises it |
| self.assertRaises( |
| UnicodeEncodeError, |
| codecs.strict_errors, |
| UnicodeEncodeError("ascii", "\u3042", 0, 1, "ouch") |
| ) |
| |
| def test_badandgoodignoreexceptions(self): |
| # "ignore" complains about a non-exception passed in |
| self.assertRaises( |
| TypeError, |
| codecs.ignore_errors, |
| 42 |
| ) |
| # "ignore" complains about the wrong exception type |
| self.assertRaises( |
| TypeError, |
| codecs.ignore_errors, |
| UnicodeError("ouch") |
| ) |
| # If the correct exception is passed in, "ignore" returns an empty replacement |
| self.assertEqual( |
| codecs.ignore_errors( |
| UnicodeEncodeError("ascii", "\u3042", 0, 1, "ouch")), |
| ("", 1) |
| ) |
| self.assertEqual( |
| codecs.ignore_errors( |
| UnicodeDecodeError("ascii", bytearray(b"\xff"), 0, 1, "ouch")), |
| ("", 1) |
| ) |
| self.assertEqual( |
| codecs.ignore_errors( |
| UnicodeTranslateError("\u3042", 0, 1, "ouch")), |
| ("", 1) |
| ) |
| |
| def test_badandgoodreplaceexceptions(self): |
| # "replace" complains about a non-exception passed in |
| self.assertRaises( |
| TypeError, |
| codecs.replace_errors, |
| 42 |
| ) |
| # "replace" complains about the wrong exception type |
| self.assertRaises( |
| TypeError, |
| codecs.replace_errors, |
| UnicodeError("ouch") |
| ) |
| self.assertRaises( |
| TypeError, |
| codecs.replace_errors, |
| BadObjectUnicodeEncodeError() |
| ) |
| self.assertRaises( |
| TypeError, |
| codecs.replace_errors, |
| BadObjectUnicodeDecodeError() |
| ) |
| # With the correct exception, "replace" returns an "?" or "\ufffd" replacement |
| self.assertEqual( |
| codecs.replace_errors( |
| UnicodeEncodeError("ascii", "\u3042", 0, 1, "ouch")), |
| ("?", 1) |
| ) |
| self.assertEqual( |
| codecs.replace_errors( |
| UnicodeDecodeError("ascii", bytearray(b"\xff"), 0, 1, "ouch")), |
| ("\ufffd", 1) |
| ) |
| self.assertEqual( |
| codecs.replace_errors( |
| UnicodeTranslateError("\u3042", 0, 1, "ouch")), |
| ("\ufffd", 1) |
| ) |
| |
| def test_badandgoodxmlcharrefreplaceexceptions(self): |
| # "xmlcharrefreplace" complains about a non-exception passed in |
| self.assertRaises( |
| TypeError, |
| codecs.xmlcharrefreplace_errors, |
| 42 |
| ) |
| # "xmlcharrefreplace" complains about the wrong exception types |
| self.assertRaises( |
| TypeError, |
| codecs.xmlcharrefreplace_errors, |
| UnicodeError("ouch") |
| ) |
| # "xmlcharrefreplace" can only be used for encoding |
| self.assertRaises( |
| TypeError, |
| codecs.xmlcharrefreplace_errors, |
| UnicodeDecodeError("ascii", bytearray(b"\xff"), 0, 1, "ouch") |
| ) |
| self.assertRaises( |
| TypeError, |
| codecs.xmlcharrefreplace_errors, |
| UnicodeTranslateError("\u3042", 0, 1, "ouch") |
| ) |
| # Use the correct exception |
| cs = (0, 1, 9, 10, 99, 100, 999, 1000, 9999, 10000, 0x3042) |
| s = "".join(chr(c) for c in cs) |
| self.assertEqual( |
| codecs.xmlcharrefreplace_errors( |
| UnicodeEncodeError("ascii", s, 0, len(s), "ouch") |
| ), |
| ("".join("&#%d;" % ord(c) for c in s), len(s)) |
| ) |
| |
| def test_badandgoodbackslashreplaceexceptions(self): |
| # "backslashreplace" complains about a non-exception passed in |
| self.assertRaises( |
| TypeError, |
| codecs.backslashreplace_errors, |
| 42 |
| ) |
| # "backslashreplace" complains about the wrong exception types |
| self.assertRaises( |
| TypeError, |
| codecs.backslashreplace_errors, |
| UnicodeError("ouch") |
| ) |
| # "backslashreplace" can only be used for encoding |
| self.assertRaises( |
| TypeError, |
| codecs.backslashreplace_errors, |
| UnicodeDecodeError("ascii", bytearray(b"\xff"), 0, 1, "ouch") |
| ) |
| self.assertRaises( |
| TypeError, |
| codecs.backslashreplace_errors, |
| UnicodeTranslateError("\u3042", 0, 1, "ouch") |
| ) |
| # Use the correct exception |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\u3042", 0, 1, "ouch")), |
| ("\\u3042", 1) |
| ) |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\x00", 0, 1, "ouch")), |
| ("\\x00", 1) |
| ) |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\xff", 0, 1, "ouch")), |
| ("\\xff", 1) |
| ) |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\u0100", 0, 1, "ouch")), |
| ("\\u0100", 1) |
| ) |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\uffff", 0, 1, "ouch")), |
| ("\\uffff", 1) |
| ) |
| if SIZEOF_WCHAR_T > 0: |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\U00010000", |
| 0, 1, "ouch")), |
| ("\\U00010000", 1) |
| ) |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\U0010ffff", |
| 0, 1, "ouch")), |
| ("\\U0010ffff", 1) |
| ) |
| # Lone surrogates (regardless of unicode width) |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\ud800", 0, 1, "ouch")), |
| ("\\ud800", 1) |
| ) |
| self.assertEqual( |
| codecs.backslashreplace_errors( |
| UnicodeEncodeError("ascii", "\udfff", 0, 1, "ouch")), |
| ("\\udfff", 1) |
| ) |
| |
| def test_badhandlerresults(self): |
| results = ( 42, "foo", (1,2,3), ("foo", 1, 3), ("foo", None), ("foo",), ("foo", 1, 3), ("foo", None), ("foo",) ) |
| encs = ("ascii", "latin-1", "iso-8859-1", "iso-8859-15") |
| |
| for res in results: |
| codecs.register_error("test.badhandler", lambda x: res) |
| for enc in encs: |
| self.assertRaises( |
| TypeError, |
| "\u3042".encode, |
| enc, |
| "test.badhandler" |
| ) |
| for (enc, bytes) in ( |
| ("ascii", b"\xff"), |
| ("utf-8", b"\xff"), |
| ("utf-7", b"+x-"), |
| ("unicode-internal", b"\x00"), |
| ): |
| with test.support.check_warnings(): |
| # unicode-internal has been deprecated |
| self.assertRaises( |
| TypeError, |
| bytes.decode, |
| enc, |
| "test.badhandler" |
| ) |
| |
| def test_lookup(self): |
| self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict")) |
| self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore")) |
| self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict")) |
| self.assertEqual( |
| codecs.xmlcharrefreplace_errors, |
| codecs.lookup_error("xmlcharrefreplace") |
| ) |
| self.assertEqual( |
| codecs.backslashreplace_errors, |
| codecs.lookup_error("backslashreplace") |
| ) |
| |
| def test_unencodablereplacement(self): |
| def unencrepl(exc): |
| if isinstance(exc, UnicodeEncodeError): |
| return ("\u4242", exc.end) |
| else: |
| raise TypeError("don't know how to handle %r" % exc) |
| codecs.register_error("test.unencreplhandler", unencrepl) |
| for enc in ("ascii", "iso-8859-1", "iso-8859-15"): |
| self.assertRaises( |
| UnicodeEncodeError, |
| "\u4242".encode, |
| enc, |
| "test.unencreplhandler" |
| ) |
| |
| def test_badregistercall(self): |
| # enhance coverage of: |
| # Modules/_codecsmodule.c::register_error() |
| # Python/codecs.c::PyCodec_RegisterError() |
| self.assertRaises(TypeError, codecs.register_error, 42) |
| self.assertRaises(TypeError, codecs.register_error, "test.dummy", 42) |
| |
| def test_badlookupcall(self): |
| # enhance coverage of: |
| # Modules/_codecsmodule.c::lookup_error() |
| self.assertRaises(TypeError, codecs.lookup_error) |
| |
| def test_unknownhandler(self): |
| # enhance coverage of: |
| # Modules/_codecsmodule.c::lookup_error() |
| self.assertRaises(LookupError, codecs.lookup_error, "test.unknown") |
| |
| def test_xmlcharrefvalues(self): |
| # enhance coverage of: |
| # Python/codecs.c::PyCodec_XMLCharRefReplaceErrors() |
| # and inline implementations |
| v = (1, 5, 10, 50, 100, 500, 1000, 5000, 10000, 50000) |
| if SIZEOF_WCHAR_T == 4: |
| v += (100000, 500000, 1000000) |
| s = "".join([chr(x) for x in v]) |
| codecs.register_error("test.xmlcharrefreplace", codecs.xmlcharrefreplace_errors) |
| for enc in ("ascii", "iso-8859-15"): |
| for err in ("xmlcharrefreplace", "test.xmlcharrefreplace"): |
| s.encode(enc, err) |
| |
| def test_decodehelper(self): |
| # enhance coverage of: |
| # Objects/unicodeobject.c::unicode_decode_call_errorhandler() |
| # and callers |
| self.assertRaises(LookupError, b"\xff".decode, "ascii", "test.unknown") |
| |
| def baddecodereturn1(exc): |
| return 42 |
| codecs.register_error("test.baddecodereturn1", baddecodereturn1) |
| self.assertRaises(TypeError, b"\xff".decode, "ascii", "test.baddecodereturn1") |
| self.assertRaises(TypeError, b"\\".decode, "unicode-escape", "test.baddecodereturn1") |
| self.assertRaises(TypeError, b"\\x0".decode, "unicode-escape", "test.baddecodereturn1") |
| self.assertRaises(TypeError, b"\\x0y".decode, "unicode-escape", "test.baddecodereturn1") |
| self.assertRaises(TypeError, b"\\Uffffeeee".decode, "unicode-escape", "test.baddecodereturn1") |
| self.assertRaises(TypeError, b"\\uyyyy".decode, "raw-unicode-escape", "test.baddecodereturn1") |
| |
| def baddecodereturn2(exc): |
| return ("?", None) |
| codecs.register_error("test.baddecodereturn2", baddecodereturn2) |
| self.assertRaises(TypeError, b"\xff".decode, "ascii", "test.baddecodereturn2") |
| |
| handler = PosReturn() |
| codecs.register_error("test.posreturn", handler.handle) |
| |
| # Valid negative position |
| handler.pos = -1 |
| self.assertEqual(b"\xff0".decode("ascii", "test.posreturn"), "<?>0") |
| |
| # Valid negative position |
| handler.pos = -2 |
| self.assertEqual(b"\xff0".decode("ascii", "test.posreturn"), "<?><?>") |
| |
| # Negative position out of bounds |
| handler.pos = -3 |
| self.assertRaises(IndexError, b"\xff0".decode, "ascii", "test.posreturn") |
| |
| # Valid positive position |
| handler.pos = 1 |
| self.assertEqual(b"\xff0".decode("ascii", "test.posreturn"), "<?>0") |
| |
| # Largest valid positive position (one beyond end of input) |
| handler.pos = 2 |
| self.assertEqual(b"\xff0".decode("ascii", "test.posreturn"), "<?>") |
| |
| # Invalid positive position |
| handler.pos = 3 |
| self.assertRaises(IndexError, b"\xff0".decode, "ascii", "test.posreturn") |
| |
| # Restart at the "0" |
| handler.pos = 6 |
| self.assertEqual(b"\\uyyyy0".decode("raw-unicode-escape", "test.posreturn"), "<?>0") |
| |
| class D(dict): |
| def __getitem__(self, key): |
| raise ValueError |
| self.assertRaises(UnicodeError, codecs.charmap_decode, b"\xff", "strict", {0xff: None}) |
| self.assertRaises(ValueError, codecs.charmap_decode, b"\xff", "strict", D()) |
| self.assertRaises(TypeError, codecs.charmap_decode, b"\xff", "strict", {0xff: sys.maxunicode+1}) |
| |
| def test_encodehelper(self): |
| # enhance coverage of: |
| # Objects/unicodeobject.c::unicode_encode_call_errorhandler() |
| # and callers |
| self.assertRaises(LookupError, "\xff".encode, "ascii", "test.unknown") |
| |
| def badencodereturn1(exc): |
| return 42 |
| codecs.register_error("test.badencodereturn1", badencodereturn1) |
| self.assertRaises(TypeError, "\xff".encode, "ascii", "test.badencodereturn1") |
| |
| def badencodereturn2(exc): |
| return ("?", None) |
| codecs.register_error("test.badencodereturn2", badencodereturn2) |
| self.assertRaises(TypeError, "\xff".encode, "ascii", "test.badencodereturn2") |
| |
| handler = PosReturn() |
| codecs.register_error("test.posreturn", handler.handle) |
| |
| # Valid negative position |
| handler.pos = -1 |
| self.assertEqual("\xff0".encode("ascii", "test.posreturn"), b"<?>0") |
| |
| # Valid negative position |
| handler.pos = -2 |
| self.assertEqual("\xff0".encode("ascii", "test.posreturn"), b"<?><?>") |
| |
| # Negative position out of bounds |
| handler.pos = -3 |
| self.assertRaises(IndexError, "\xff0".encode, "ascii", "test.posreturn") |
| |
| # Valid positive position |
| handler.pos = 1 |
| self.assertEqual("\xff0".encode("ascii", "test.posreturn"), b"<?>0") |
| |
| # Largest valid positive position (one beyond end of input |
| handler.pos = 2 |
| self.assertEqual("\xff0".encode("ascii", "test.posreturn"), b"<?>") |
| |
| # Invalid positive position |
| handler.pos = 3 |
| self.assertRaises(IndexError, "\xff0".encode, "ascii", "test.posreturn") |
| |
| handler.pos = 0 |
| |
| class D(dict): |
| def __getitem__(self, key): |
| raise ValueError |
| for err in ("strict", "replace", "xmlcharrefreplace", "backslashreplace", "test.posreturn"): |
| self.assertRaises(UnicodeError, codecs.charmap_encode, "\xff", err, {0xff: None}) |
| self.assertRaises(ValueError, codecs.charmap_encode, "\xff", err, D()) |
| self.assertRaises(TypeError, codecs.charmap_encode, "\xff", err, {0xff: 300}) |
| |
| def test_translatehelper(self): |
| # enhance coverage of: |
| # Objects/unicodeobject.c::unicode_encode_call_errorhandler() |
| # and callers |
| # (Unfortunately the errors argument is not directly accessible |
| # from Python, so we can't test that much) |
| class D(dict): |
| def __getitem__(self, key): |
| raise ValueError |
| #self.assertRaises(ValueError, "\xff".translate, D()) |
| self.assertRaises(TypeError, "\xff".translate, {0xff: sys.maxunicode+1}) |
| self.assertRaises(TypeError, "\xff".translate, {0xff: ()}) |
| |
| def test_bug828737(self): |
| charmap = { |
| ord("&"): "&", |
| ord("<"): "<", |
| ord(">"): ">", |
| ord('"'): """, |
| } |
| |
| for n in (1, 10, 100, 1000): |
| text = 'abc<def>ghi'*n |
| text.translate(charmap) |
| |
| def test_mutatingdecodehandler(self): |
| baddata = [ |
| ("ascii", b"\xff"), |
| ("utf-7", b"++"), |
| ("utf-8", b"\xff"), |
| ("utf-16", b"\xff"), |
| ("utf-32", b"\xff"), |
| ("unicode-escape", b"\\u123g"), |
| ("raw-unicode-escape", b"\\u123g"), |
| ("unicode-internal", b"\xff"), |
| ] |
| |
| def replacing(exc): |
| if isinstance(exc, UnicodeDecodeError): |
| exc.object = 42 |
| return ("\u4242", 0) |
| else: |
| raise TypeError("don't know how to handle %r" % exc) |
| codecs.register_error("test.replacing", replacing) |
| |
| with test.support.check_warnings(): |
| # unicode-internal has been deprecated |
| for (encoding, data) in baddata: |
| with self.assertRaises(TypeError): |
| data.decode(encoding, "test.replacing") |
| |
| def mutating(exc): |
| if isinstance(exc, UnicodeDecodeError): |
| exc.object[:] = b"" |
| return ("\u4242", 0) |
| else: |
| raise TypeError("don't know how to handle %r" % exc) |
| codecs.register_error("test.mutating", mutating) |
| # If the decoder doesn't pick up the modified input the following |
| # will lead to an endless loop |
| with test.support.check_warnings(): |
| # unicode-internal has been deprecated |
| for (encoding, data) in baddata: |
| with self.assertRaises(TypeError): |
| data.decode(encoding, "test.replacing") |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |