Hye-Shik Chang | 3e2a306 | 2004-01-17 14:29:29 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # test_multibytecodec_support.py |
| 4 | # Common Unittest Routines for CJK codecs |
| 5 | # |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 6 | # $CJKCodecs: test_multibytecodec_support.py,v 1.6 2004/06/19 06:09:55 perky Exp $ |
Hye-Shik Chang | 3e2a306 | 2004-01-17 14:29:29 +0000 | [diff] [blame] | 7 | |
| 8 | import sys, codecs, os.path |
| 9 | import unittest |
| 10 | from test import test_support |
| 11 | from StringIO import StringIO |
| 12 | |
| 13 | __cjkcodecs__ = 0 # define this as 0 for python |
| 14 | |
| 15 | class TestBase: |
| 16 | encoding = '' # codec name |
| 17 | codec = None # codec tuple (with 4 elements) |
| 18 | tstring = '' # string to test StreamReader |
| 19 | |
| 20 | codectests = None # must set. codec test tuple |
| 21 | roundtriptest = 1 # set if roundtrip is possible with unicode |
| 22 | has_iso10646 = 0 # set if this encoding contains whole iso10646 map |
| 23 | xmlcharnametest = None # string to test xmlcharrefreplace |
| 24 | |
| 25 | def setUp(self): |
| 26 | if self.codec is None: |
| 27 | self.codec = codecs.lookup(self.encoding) |
| 28 | self.encode, self.decode, self.reader, self.writer = self.codec |
| 29 | |
| 30 | def test_chunkcoding(self): |
| 31 | for native, utf8 in zip(*[StringIO(f).readlines() |
| 32 | for f in self.tstring]): |
| 33 | u = self.decode(native)[0] |
| 34 | self.assertEqual(u, utf8.decode('utf-8')) |
| 35 | if self.roundtriptest: |
| 36 | self.assertEqual(native, self.encode(u)[0]) |
| 37 | |
| 38 | def test_errorhandle(self): |
| 39 | for source, scheme, expected in self.codectests: |
| 40 | if type(source) == type(''): |
| 41 | func = self.decode |
| 42 | else: |
| 43 | func = self.encode |
| 44 | if expected: |
| 45 | result = func(source, scheme)[0] |
| 46 | self.assertEqual(result, expected) |
| 47 | else: |
| 48 | self.assertRaises(UnicodeError, func, source, scheme) |
| 49 | |
| 50 | if sys.hexversion >= 0x02030000: |
| 51 | def test_xmlcharrefreplace(self): |
| 52 | if self.has_iso10646: |
| 53 | return |
| 54 | |
| 55 | s = u"\u0b13\u0b23\u0b60 nd eggs" |
| 56 | self.assertEqual( |
| 57 | self.encode(s, "xmlcharrefreplace")[0], |
| 58 | "ଓଣୠ nd eggs" |
| 59 | ) |
| 60 | |
| 61 | def test_customreplace(self): |
| 62 | if self.has_iso10646: |
| 63 | return |
| 64 | |
| 65 | import htmlentitydefs |
| 66 | |
| 67 | names = {} |
| 68 | for (key, value) in htmlentitydefs.entitydefs.items(): |
| 69 | if len(value)==1: |
| 70 | names[value.decode('latin-1')] = self.decode(key)[0] |
| 71 | else: |
| 72 | names[unichr(int(value[2:-1]))] = self.decode(key)[0] |
| 73 | |
| 74 | def xmlcharnamereplace(exc): |
| 75 | if not isinstance(exc, UnicodeEncodeError): |
| 76 | raise TypeError("don't know how to handle %r" % exc) |
| 77 | l = [] |
| 78 | for c in exc.object[exc.start:exc.end]: |
| 79 | try: |
| 80 | l.append(u"&%s;" % names[c]) |
| 81 | except KeyError: |
| 82 | l.append(u"&#%d;" % ord(c)) |
| 83 | return (u"".join(l), exc.end) |
| 84 | |
| 85 | codecs.register_error( |
| 86 | "test.xmlcharnamereplace", xmlcharnamereplace) |
| 87 | |
| 88 | if self.xmlcharnametest: |
| 89 | sin, sout = self.xmlcharnametest |
| 90 | else: |
| 91 | sin = u"\xab\u211c\xbb = \u2329\u1234\u232a" |
| 92 | sout = "«ℜ» = ⟨ሴ⟩" |
| 93 | self.assertEqual(self.encode(sin, |
| 94 | "test.xmlcharnamereplace")[0], sout) |
| 95 | |
| 96 | def test_streamreader(self): |
| 97 | UTF8Writer = codecs.getwriter('utf-8') |
| 98 | for name in ["read", "readline", "readlines"]: |
| 99 | for sizehint in [None, -1] + range(1, 33) + \ |
| 100 | [64, 128, 256, 512, 1024]: |
| 101 | istream = self.reader(StringIO(self.tstring[0])) |
| 102 | ostream = UTF8Writer(StringIO()) |
| 103 | func = getattr(istream, name) |
| 104 | while 1: |
| 105 | data = func(sizehint) |
| 106 | if not data: |
| 107 | break |
| 108 | if name == "readlines": |
| 109 | ostream.writelines(data) |
| 110 | else: |
| 111 | ostream.write(data) |
| 112 | |
| 113 | self.assertEqual(ostream.getvalue(), self.tstring[1]) |
| 114 | |
| 115 | def test_streamwriter(self): |
| 116 | if __cjkcodecs__: |
| 117 | readfuncs = ('read', 'readline', 'readlines') |
| 118 | else: |
| 119 | # standard utf8 codec has broken readline and readlines. |
| 120 | readfuncs = ('read',) |
| 121 | UTF8Reader = codecs.getreader('utf-8') |
| 122 | for name in readfuncs: |
| 123 | for sizehint in [None] + range(1, 33) + \ |
| 124 | [64, 128, 256, 512, 1024]: |
| 125 | istream = UTF8Reader(StringIO(self.tstring[1])) |
| 126 | ostream = self.writer(StringIO()) |
| 127 | func = getattr(istream, name) |
| 128 | while 1: |
| 129 | if sizehint is not None: |
| 130 | data = func(sizehint) |
| 131 | else: |
| 132 | data = func() |
| 133 | |
| 134 | if not data: |
| 135 | break |
| 136 | if name == "readlines": |
| 137 | ostream.writelines(data) |
| 138 | else: |
| 139 | ostream.write(data) |
| 140 | |
| 141 | self.assertEqual(ostream.getvalue(), self.tstring[0]) |
| 142 | |
| 143 | if len(u'\U00012345') == 2: # ucs2 build |
| 144 | _unichr = unichr |
| 145 | def unichr(v): |
| 146 | if v >= 0x10000: |
| 147 | return _unichr(0xd800 + ((v - 0x10000) >> 10)) + \ |
| 148 | _unichr(0xdc00 + ((v - 0x10000) & 0x3ff)) |
| 149 | else: |
| 150 | return _unichr(v) |
| 151 | _ord = ord |
| 152 | def ord(c): |
| 153 | if len(c) == 2: |
| 154 | return 0x10000 + ((_ord(c[0]) - 0xd800) << 10) + \ |
| 155 | (ord(c[1]) - 0xdc00) |
| 156 | else: |
| 157 | return _ord(c) |
| 158 | |
| 159 | class TestBase_Mapping(unittest.TestCase): |
| 160 | pass_enctest = [] |
| 161 | pass_dectest = [] |
| 162 | supmaps = [] |
| 163 | |
| 164 | def __init__(self, *args, **kw): |
| 165 | unittest.TestCase.__init__(self, *args, **kw) |
| 166 | if not os.path.exists(self.mapfilename): |
Hye-Shik Chang | 2bb146f | 2004-07-18 03:06:29 +0000 | [diff] [blame] | 167 | raise test_support.TestSkipped('%s not found, download from %s' % |
| 168 | (self.mapfilename, self.mapfileurl)) |
Hye-Shik Chang | 3e2a306 | 2004-01-17 14:29:29 +0000 | [diff] [blame] | 169 | |
| 170 | def test_mapping_file(self): |
| 171 | unichrs = lambda s: u''.join(map(unichr, map(eval, s.split('+')))) |
| 172 | urt_wa = {} |
| 173 | |
| 174 | for line in open(self.mapfilename): |
| 175 | if not line: |
| 176 | break |
| 177 | data = line.split('#')[0].strip().split() |
| 178 | if len(data) != 2: |
| 179 | continue |
| 180 | |
| 181 | csetval = eval(data[0]) |
| 182 | if csetval <= 0x7F: |
| 183 | csetch = chr(csetval & 0xff) |
| 184 | elif csetval >= 0x1000000: |
| 185 | csetch = chr(csetval >> 24) + chr((csetval >> 16) & 0xff) + \ |
| 186 | chr((csetval >> 8) & 0xff) + chr(csetval & 0xff) |
| 187 | elif csetval >= 0x10000: |
| 188 | csetch = chr(csetval >> 16) + \ |
| 189 | chr((csetval >> 8) & 0xff) + chr(csetval & 0xff) |
| 190 | elif csetval >= 0x100: |
| 191 | csetch = chr(csetval >> 8) + chr(csetval & 0xff) |
| 192 | else: |
| 193 | continue |
| 194 | |
| 195 | unich = unichrs(data[1]) |
| 196 | if ord(unich) == 0xfffd or urt_wa.has_key(unich): |
| 197 | continue |
| 198 | urt_wa[unich] = csetch |
| 199 | |
| 200 | self._testpoint(csetch, unich) |
| 201 | |
| 202 | def test_mapping_supplemental(self): |
| 203 | for mapping in self.supmaps: |
| 204 | self._testpoint(*mapping) |
| 205 | |
| 206 | def _testpoint(self, csetch, unich): |
| 207 | if (csetch, unich) not in self.pass_enctest: |
| 208 | self.assertEqual(unich.encode(self.encoding), csetch) |
| 209 | if (csetch, unich) not in self.pass_dectest: |
| 210 | self.assertEqual(unicode(csetch, self.encoding), unich) |
| 211 | |
| 212 | def load_teststring(encoding): |
| 213 | if __cjkcodecs__: |
| 214 | etxt = open(os.path.join('sampletexts', encoding) + '.txt').read() |
| 215 | utxt = open(os.path.join('sampletexts', encoding) + '.utf8').read() |
| 216 | return (etxt, utxt) |
| 217 | else: |
| 218 | from test import cjkencodings_test |
| 219 | return cjkencodings_test.teststring[encoding] |
| 220 | |
| 221 | def register_skip_expected(*cases): |
| 222 | for case in cases: # len(cases) must be 1 at least. |
| 223 | for path in [os.path.curdir, os.path.pardir]: |
| 224 | fn = os.path.join(path, case.mapfilename) |
| 225 | if os.path.exists(fn): |
| 226 | case.mapfilename = fn |
| 227 | break |
| 228 | else: |
| 229 | sys.modules[case.__module__].skip_expected = True |
| 230 | break |
| 231 | else: |
| 232 | sys.modules[case.__module__].skip_expected = False |