from test import test_support import unittest import codecs import StringIO class Queue(object): """ queue: write bytes at one end, read bytes from the other end """ def __init__(self): self._buffer = "" def write(self, chars): self._buffer += chars def read(self, size=-1): if size<0: s = self._buffer self._buffer = "" return s else: s = self._buffer[:size] self._buffer = self._buffer[size:] return s class ReadTest(unittest.TestCase): def check_partial(self, input, partialresults): # get a StreamReader for the encoding and feed the bytestring version # of input to the reader byte by byte. Read every available from # the StreamReader and check that the results equal the appropriate # entries from partialresults. q = Queue() r = codecs.getreader(self.encoding)(q) result = u"" for (c, partialresult) in zip(input.encode(self.encoding), partialresults): q.write(c) result += r.read() self.assertEqual(result, partialresult) # check that there's nothing left in the buffers self.assertEqual(r.read(), u"") self.assertEqual(r.bytebuffer, "") self.assertEqual(r.charbuffer, u"") def test_readline(self): def getreader(input): stream = StringIO.StringIO(input.encode(self.encoding)) return codecs.getreader(self.encoding)(stream) def readalllines(input, keepends=True): reader = getreader(input) lines = [] while True: line = reader.readline(keepends=keepends) if not line: break lines.append(line) return "".join(lines) s = u"foo\nbar\r\nbaz\rspam\u2028eggs" self.assertEqual(readalllines(s, True), s) self.assertEqual(readalllines(s, False), u"foobarbazspameggs") # Test long lines (multiple calls to read() in readline()) vw = [] vwo = [] for (i, lineend) in enumerate(u"\n \r\n \r \u2028".split()): vw.append((i*200)*u"\3042" + lineend) vwo.append((i*200)*u"\3042") self.assertEqual(readalllines("".join(vw), True), "".join(vw)) self.assertEqual(readalllines("".join(vw), False),"".join(vwo)) # Test lines where the first read might end with \r, so the # reader has to look ahead whether this is a lone \r or a \r\n for size in xrange(80): for lineend in u"\n \r\n \r \u2028".split(): s = size*u"a" + lineend + u"xxx\n" self.assertEqual( getreader(s).readline(keepends=True), size*u"a" + lineend, ) self.assertEqual( getreader(s).readline(keepends=False), size*u"a", ) def test_readlinequeue(self): q = Queue() writer = codecs.getwriter(self.encoding)(q) reader = codecs.getreader(self.encoding)(q) # No lineends writer.write(u"foo\r") self.assertEqual(reader.readline(keepends=False), u"foo") writer.write(u"\nbar\r") self.assertEqual(reader.readline(keepends=False), u"bar") writer.write(u"baz") self.assertEqual(reader.readline(keepends=False), u"baz") self.assertEqual(reader.readline(keepends=False), u"") # Lineends writer.write(u"foo\r") self.assertEqual(reader.readline(keepends=True), u"foo\r") writer.write(u"\nbar\r") self.assertEqual(reader.readline(keepends=True), u"bar\r") writer.write(u"baz") self.assertEqual(reader.readline(keepends=True), u"baz") self.assertEqual(reader.readline(keepends=True), u"") writer.write(u"foo\r\n") self.assertEqual(reader.readline(keepends=True), u"foo\r\n") def test_bug1098990_a(self): s1 = u"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy\r\n" s2 = u"offending line: ladfj askldfj klasdj fskla dfzaskdj fasklfj laskd fjasklfzzzzaa%whereisthis!!!\r\n" s3 = u"next line.\r\n" s = (s1+s2+s3).encode(self.encoding) stream = StringIO.StringIO(s) reader = codecs.getreader(self.encoding)(stream) self.assertEqual(reader.readline(), s1) self.assertEqual(reader.readline(), s2) self.assertEqual(reader.readline(), s3) self.assertEqual(reader.readline(), u"") def test_bug1098990_b(self): s1 = u"aaaaaaaaaaaaaaaaaaaaaaaa\r\n" s2 = u"bbbbbbbbbbbbbbbbbbbbbbbb\r\n" s3 = u"stillokay:bbbbxx\r\n" s4 = u"broken!!!!badbad\r\n" s5 = u"againokay.\r\n" s = (s1+s2+s3+s4+s5).encode(self.encoding) stream = StringIO.StringIO(s) reader = codecs.getreader(self.encoding)(stream) self.assertEqual(reader.readline(), s1) self.assertEqual(reader.readline(), s2) self.assertEqual(reader.readline(), s3) self.assertEqual(reader.readline(), s4) self.assertEqual(reader.readline(), s5) self.assertEqual(reader.readline(), u"") class UTF16Test(ReadTest): encoding = "utf-16" spamle = '\xff\xfes\x00p\x00a\x00m\x00s\x00p\x00a\x00m\x00' spambe = '\xfe\xff\x00s\x00p\x00a\x00m\x00s\x00p\x00a\x00m' def test_only_one_bom(self): _,_,reader,writer = codecs.lookup(self.encoding) # encode some stream s = StringIO.StringIO() f = writer(s) f.write(u"spam") f.write(u"spam") d = s.getvalue() # check whether there is exactly one BOM in it self.assert_(d == self.spamle or d == self.spambe) # try to read it back s = StringIO.StringIO(d) f = reader(s) self.assertEquals(f.read(), u"spamspam") def test_badbom(self): s = StringIO.StringIO("\xff\xff") f = codecs.getreader(self.encoding)(s) self.assertRaises(UnicodeError, f.read) s = StringIO.StringIO("\xff\xff\xff\xff") f = codecs.getreader(self.encoding)(s) self.assertRaises(UnicodeError, f.read) def test_partial(self): self.check_partial( u"\x00\xff\u0100\uffff", [ u"", # first byte of BOM read u"", # second byte of BOM read => byteorder known u"", u"\x00", u"\x00", u"\x00\xff", u"\x00\xff", u"\x00\xff\u0100", u"\x00\xff\u0100", u"\x00\xff\u0100\uffff", ] ) class UTF16LETest(ReadTest): encoding = "utf-16-le" def test_partial(self): self.check_partial( u"\x00\xff\u0100\uffff", [ u"", u"\x00", u"\x00", u"\x00\xff", u"\x00\xff", u"\x00\xff\u0100", u"\x00\xff\u0100", u"\x00\xff\u0100\uffff", ] ) class UTF16BETest(ReadTest): encoding = "utf-16-be" def test_partial(self): self.check_partial( u"\x00\xff\u0100\uffff", [ u"", u"\x00", u"\x00", u"\x00\xff", u"\x00\xff", u"\x00\xff\u0100", u"\x00\xff\u0100", u"\x00\xff\u0100\uffff", ] ) class UTF8Test(ReadTest): encoding = "utf-8" def test_partial(self): self.check_partial( u"\x00\xff\u07ff\u0800\uffff", [ u"\x00", u"\x00", u"\x00\xff", u"\x00\xff", u"\x00\xff\u07ff", u"\x00\xff\u07ff", u"\x00\xff\u07ff", u"\x00\xff\u07ff\u0800", u"\x00\xff\u07ff\u0800", u"\x00\xff\u07ff\u0800", u"\x00\xff\u07ff\u0800\uffff", ] ) class EscapeDecodeTest(unittest.TestCase): def test_empty_escape_decode(self): self.assertEquals(codecs.escape_decode(""), ("", 0)) class RecodingTest(unittest.TestCase): def test_recoding(self): f = StringIO.StringIO() f2 = codecs.EncodedFile(f, "unicode_internal", "utf-8") f2.write(u"a") f2.close() # Python used to crash on this at exit because of a refcount # bug in _codecsmodule.c # From RFC 3492 punycode_testcases = [ # A Arabic (Egyptian): (u"\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644" u"\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F", "egbpdaj6bu4bxfgehfvwxn"), # B Chinese (simplified): (u"\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587", "ihqwcrb4cv8a8dqg056pqjye"), # C Chinese (traditional): (u"\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587", "ihqwctvzc91f659drss3x8bo0yb"), # D Czech: Proprostnemluvesky (u"\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074" u"\u011B\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D" u"\u0065\u0073\u006B\u0079", "Proprostnemluvesky-uyb24dma41a"), # E Hebrew: (u"\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8" u"\u05DC\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2" u"\u05D1\u05E8\u05D9\u05EA", "4dbcagdahymbxekheh6e0a7fei0b"), # F Hindi (Devanagari): (u"\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D" u"\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939" u"\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947" u"\u0939\u0948\u0902", "i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"), #(G) Japanese (kanji and hiragana): (u"\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092" u"\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B", "n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"), # (H) Korean (Hangul syllables): (u"\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774" u"\uD55C\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74" u"\uC5BC\uB9C8\uB098\uC88B\uC744\uAE4C", "989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j" "psd879ccm6fea98c"), # (I) Russian (Cyrillic): (u"\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E" u"\u043D\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440" u"\u044F\u0442\u043F\u043E\u0440\u0443\u0441\u0441\u043A" u"\u0438", "b1abfaaepdrnnbgefbaDotcwatmq2g4l"), # (J) Spanish: PorqunopuedensimplementehablarenEspaol (u"\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070" u"\u0075\u0065\u0064\u0065\u006E\u0073\u0069\u006D\u0070" u"\u006C\u0065\u006D\u0065\u006E\u0074\u0065\u0068\u0061" u"\u0062\u006C\u0061\u0072\u0065\u006E\u0045\u0073\u0070" u"\u0061\u00F1\u006F\u006C", "PorqunopuedensimplementehablarenEspaol-fmd56a"), # (K) Vietnamese: # Tisaohkhngthch\ # nitingVit (u"\u0054\u1EA1\u0069\u0073\u0061\u006F\u0068\u1ECD\u006B" u"\u0068\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068" u"\u1EC9\u006E\u00F3\u0069\u0074\u0069\u1EBF\u006E\u0067" u"\u0056\u0069\u1EC7\u0074", "TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"), #(L) 3B (u"\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F", "3B-ww4c5e180e575a65lsy2b"), # (M) -with-SUPER-MONKEYS (u"\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074" u"\u0068\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D" u"\u004F\u004E\u004B\u0045\u0059\u0053", "-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"), # (N) Hello-Another-Way- (u"\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F" u"\u0074\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D" u"\u305D\u308C\u305E\u308C\u306E\u5834\u6240", "Hello-Another-Way--fc4qua05auwb3674vfr0b"), # (O) 2 (u"\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032", "2-u9tlzr9756bt3uc0v"), # (P) MajiKoi5 (u"\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059" u"\u308B\u0035\u79D2\u524D", "MajiKoi5-783gue6qz075azm5e"), # (Q) de (u"\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0", "de-jg4avhby1noc0d"), # (R) (u"\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067", "d9juau41awczczp"), # (S) -> $1.00 <- (u"\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020" u"\u003C\u002D", "-> $1.00 <--") ] for i in punycode_testcases: if len(i)!=2: print repr(i) class PunycodeTest(unittest.TestCase): def test_encode(self): for uni, puny in punycode_testcases: # Need to convert both strings to lower case, since # some of the extended encodings use upper case, but our # code produces only lower case. Converting just puny to # lower is also insufficient, since some of the input characters # are upper case. self.assertEquals(uni.encode("punycode").lower(), puny.lower()) def test_decode(self): for uni, puny in punycode_testcases: self.assertEquals(uni, puny.decode("punycode")) # From http://www.gnu.org/software/libidn/draft-josefsson-idn-test-vectors.html nameprep_tests = [ # 3.1 Map to nothing. ('foo\xc2\xad\xcd\x8f\xe1\xa0\x86\xe1\xa0\x8bbar' '\xe2\x80\x8b\xe2\x81\xa0baz\xef\xb8\x80\xef\xb8\x88\xef' '\xb8\x8f\xef\xbb\xbf', 'foobarbaz'), # 3.2 Case folding ASCII U+0043 U+0041 U+0046 U+0045. ('CAFE', 'cafe'), # 3.3 Case folding 8bit U+00DF (german sharp s). # The original test case is bogus; it says \xc3\xdf ('\xc3\x9f', 'ss'), # 3.4 Case folding U+0130 (turkish capital I with dot). ('\xc4\xb0', 'i\xcc\x87'), # 3.5 Case folding multibyte U+0143 U+037A. ('\xc5\x83\xcd\xba', '\xc5\x84 \xce\xb9'), # 3.6 Case folding U+2121 U+33C6 U+1D7BB. # XXX: skip this as it fails in UCS-2 mode #('\xe2\x84\xa1\xe3\x8f\x86\xf0\x9d\x9e\xbb', # 'telc\xe2\x88\x95kg\xcf\x83'), (None, None), # 3.7 Normalization of U+006a U+030c U+00A0 U+00AA. ('j\xcc\x8c\xc2\xa0\xc2\xaa', '\xc7\xb0 a'), # 3.8 Case folding U+1FB7 and normalization. ('\xe1\xbe\xb7', '\xe1\xbe\xb6\xce\xb9'), # 3.9 Self-reverting case folding U+01F0 and normalization. # The original test case is bogus, it says `\xc7\xf0' ('\xc7\xb0', '\xc7\xb0'), # 3.10 Self-reverting case folding U+0390 and normalization. ('\xce\x90', '\xce\x90'), # 3.11 Self-reverting case folding U+03B0 and normalization. ('\xce\xb0', '\xce\xb0'), # 3.12 Self-reverting case folding U+1E96 and normalization. ('\xe1\xba\x96', '\xe1\xba\x96'), # 3.13 Self-reverting case folding U+1F56 and normalization. ('\xe1\xbd\x96', '\xe1\xbd\x96'), # 3.14 ASCII space character U+0020. (' ', ' '), # 3.15 Non-ASCII 8bit space character U+00A0. ('\xc2\xa0', ' '), # 3.16 Non-ASCII multibyte space character U+1680. ('\xe1\x9a\x80', None), # 3.17 Non-ASCII multibyte space character U+2000. ('\xe2\x80\x80', ' '), # 3.18 Zero Width Space U+200b. ('\xe2\x80\x8b', ''), # 3.19 Non-ASCII multibyte space character U+3000. ('\xe3\x80\x80', ' '), # 3.20 ASCII control characters U+0010 U+007F. ('\x10\x7f', '\x10\x7f'), # 3.21 Non-ASCII 8bit control character U+0085. ('\xc2\x85', None), # 3.22 Non-ASCII multibyte control character U+180E. ('\xe1\xa0\x8e', None), # 3.23 Zero Width No-Break Space U+FEFF. ('\xef\xbb\xbf', ''), # 3.24 Non-ASCII control character U+1D175. ('\xf0\x9d\x85\xb5', None), # 3.25 Plane 0 private use character U+F123. ('\xef\x84\xa3', None), # 3.26 Plane 15 private use character U+F1234. ('\xf3\xb1\x88\xb4', None), # 3.27 Plane 16 private use character U+10F234. ('\xf4\x8f\x88\xb4', None), # 3.28 Non-character code point U+8FFFE. ('\xf2\x8f\xbf\xbe', None), # 3.29 Non-character code point U+10FFFF. ('\xf4\x8f\xbf\xbf', None), # 3.30 Surrogate code U+DF42. ('\xed\xbd\x82', None), # 3.31 Non-plain text character U+FFFD. ('\xef\xbf\xbd', None), # 3.32 Ideographic description character U+2FF5. ('\xe2\xbf\xb5', None), # 3.33 Display property character U+0341. ('\xcd\x81', '\xcc\x81'), # 3.34 Left-to-right mark U+200E. ('\xe2\x80\x8e', None), # 3.35 Deprecated U+202A. ('\xe2\x80\xaa', None), # 3.36 Language tagging character U+E0001. ('\xf3\xa0\x80\x81', None), # 3.37 Language tagging character U+E0042. ('\xf3\xa0\x81\x82', None), # 3.38 Bidi: RandALCat character U+05BE and LCat characters. ('foo\xd6\xbebar', None), # 3.39 Bidi: RandALCat character U+FD50 and LCat characters. ('foo\xef\xb5\x90bar', None), # 3.40 Bidi: RandALCat character U+FB38 and LCat characters. ('foo\xef\xb9\xb6bar', 'foo \xd9\x8ebar'), # 3.41 Bidi: RandALCat without trailing RandALCat U+0627 U+0031. ('\xd8\xa71', None), # 3.42 Bidi: RandALCat character U+0627 U+0031 U+0628. ('\xd8\xa71\xd8\xa8', '\xd8\xa71\xd8\xa8'), # 3.43 Unassigned code point U+E0002. # Skip this test as we allow unassigned #('\xf3\xa0\x80\x82', # None), (None, None), # 3.44 Larger test (shrinking). # Original test case reads \xc3\xdf ('X\xc2\xad\xc3\x9f\xc4\xb0\xe2\x84\xa1j\xcc\x8c\xc2\xa0\xc2' '\xaa\xce\xb0\xe2\x80\x80', 'xssi\xcc\x87tel\xc7\xb0 a\xce\xb0 '), # 3.45 Larger test (expanding). # Original test case reads \xc3\x9f ('X\xc3\x9f\xe3\x8c\x96\xc4\xb0\xe2\x84\xa1\xe2\x92\x9f\xe3\x8c' '\x80', 'xss\xe3\x82\xad\xe3\x83\xad\xe3\x83\xa1\xe3\x83\xbc\xe3' '\x83\x88\xe3\x83\xabi\xcc\x87tel\x28d\x29\xe3\x82' '\xa2\xe3\x83\x91\xe3\x83\xbc\xe3\x83\x88') ] class NameprepTest(unittest.TestCase): def test_nameprep(self): from encodings.idna import nameprep for pos, (orig, prepped) in enumerate(nameprep_tests): if orig is None: # Skipped continue # The Unicode strings are given in UTF-8 orig = unicode(orig, "utf-8") if prepped is None: # Input contains prohibited characters self.assertRaises(UnicodeError, nameprep, orig) else: prepped = unicode(prepped, "utf-8") try: self.assertEquals(nameprep(orig), prepped) except Exception,e: raise test_support.TestFailed("Test 3.%d: %s" % (pos+1, str(e))) class CodecTest(unittest.TestCase): def test_builtin(self): self.assertEquals(unicode("python.org", "idna"), u"python.org") class CodecsModuleTest(unittest.TestCase): def test_decode(self): self.assertEquals(codecs.decode('\xe4\xf6\xfc', 'latin-1'), u'\xe4\xf6\xfc') self.assertRaises(TypeError, codecs.decode) self.assertEquals(codecs.decode('abc'), u'abc') self.assertRaises(UnicodeDecodeError, codecs.decode, '\xff', 'ascii') def test_encode(self): self.assertEquals(codecs.encode(u'\xe4\xf6\xfc', 'latin-1'), '\xe4\xf6\xfc') self.assertRaises(TypeError, codecs.encode) self.assertEquals(codecs.encode(u'abc'), 'abc') self.assertRaises(UnicodeEncodeError, codecs.encode, u'\xffff', 'ascii') def test_register(self): self.assertRaises(TypeError, codecs.register) def test_lookup(self): self.assertRaises(TypeError, codecs.lookup) self.assertRaises(LookupError, codecs.lookup, "__spam__") class StreamReaderTest(unittest.TestCase): def setUp(self): self.reader = codecs.getreader('utf-8') self.stream = StringIO.StringIO('\xed\x95\x9c\n\xea\xb8\x80') def test_readlines(self): f = self.reader(self.stream) self.assertEquals(f.readlines(), [u'\ud55c\n', u'\uae00']) all_unicode_encodings = [ "ascii", "base64_codec", "big5", "big5hkscs", "charmap", "cp037", "cp1006", "cp1026", "cp1140", "cp1250", "cp1251", "cp1252", "cp1253", "cp1254", "cp1255", "cp1256", "cp1257", "cp1258", "cp424", "cp437", "cp500", "cp737", "cp775", "cp850", "cp852", "cp855", "cp856", "cp857", "cp860", "cp861", "cp862", "cp863", "cp864", "cp865", "cp866", "cp869", "cp874", "cp875", "cp932", "cp949", "cp950", "euc_jis_2004", "euc_jisx0213", "euc_jp", "euc_kr", "gb18030", "gb2312", "gbk", "hex_codec", "hp_roman8", "hz", "idna", "iso2022_jp", "iso2022_jp_1", "iso2022_jp_2", "iso2022_jp_2004", "iso2022_jp_3", "iso2022_jp_ext", "iso2022_kr", "iso8859_1", "iso8859_10", "iso8859_11", "iso8859_13", "iso8859_14", "iso8859_15", "iso8859_16", "iso8859_2", "iso8859_3", "iso8859_4", "iso8859_5", "iso8859_6", "iso8859_7", "iso8859_8", "iso8859_9", "johab", "koi8_r", "koi8_u", "latin_1", "mac_cyrillic", "mac_greek", "mac_iceland", "mac_latin2", "mac_roman", "mac_turkish", "palmos", "ptcp154", "punycode", "raw_unicode_escape", "rot_13", "shift_jis", "shift_jis_2004", "shift_jisx0213", "tis_620", "unicode_escape", "unicode_internal", "utf_16", "utf_16_be", "utf_16_le", "utf_7", "utf_8", ] if hasattr(codecs, "mbcs_encode"): all_unicode_encodings.append("mbcs") # The following encodings work only with str, not unicode all_string_encodings = [ "quopri_codec", "string_escape", "uu_codec", ] # The following encoding is not tested, because it's not supposed # to work: # "undefined" # The following encodings don't work in stateful mode broken_unicode_with_streams = [ "base64_codec", "hex_codec", "punycode", "unicode_internal" ] try: import bz2 except ImportError: pass else: all_unicode_encodings.append("bz2_codec") broken_unicode_with_streams.append("bz2_codec") try: import zlib except ImportError: pass else: all_unicode_encodings.append("zlib_codec") broken_unicode_with_streams.append("zlib_codec") class BasicUnicodeTest(unittest.TestCase): def test_basics(self): s = u"abc123" # all codecs should be able to encode these for encoding in all_unicode_encodings: (bytes, size) = codecs.getencoder(encoding)(s) if encoding != "unicode_internal": self.assertEqual(size, len(s), "%r != %r (encoding=%r)" % (size, len(s), encoding)) (chars, size) = codecs.getdecoder(encoding)(bytes) self.assertEqual(chars, s, "%r != %r (encoding=%r)" % (chars, s, encoding)) if encoding not in broken_unicode_with_streams: # check stream reader/writer q = Queue() writer = codecs.getwriter(encoding)(q) encodedresult = "" for c in s: writer.write(c) encodedresult += q.read() q = Queue() reader = codecs.getreader(encoding)(q) decodedresult = u"" for c in encodedresult: q.write(c) decodedresult += reader.read() self.assertEqual(decodedresult, s, "%r != %r (encoding=%r)" % (decodedresult, s, encoding)) class BasicStrTest(unittest.TestCase): def test_basics(self): s = "abc123" for encoding in all_string_encodings: (bytes, size) = codecs.getencoder(encoding)(s) self.assertEqual(size, len(s)) (chars, size) = codecs.getdecoder(encoding)(bytes) self.assertEqual(chars, s, "%r != %r (encoding=%r)" % (chars, s, encoding)) def test_main(): test_support.run_unittest( UTF16Test, UTF16LETest, UTF16BETest, UTF8Test, EscapeDecodeTest, RecodingTest, PunycodeTest, NameprepTest, CodecTest, CodecsModuleTest, StreamReaderTest, BasicUnicodeTest, BasicStrTest ) if __name__ == "__main__": test_main()