1 #!/usr/bin/env python 2 # 3 # test_multibytecodec.py 4 # Unit test for multibytecodec itself 5 # 6 7 from test import test_support 8 from test.test_support import TESTFN 9 import unittest, StringIO, codecs, sys, os 10 import _multibytecodec 11 12 ALL_CJKENCODINGS = [ 13 # _codecs_cn 14 'gb2312', 'gbk', 'gb18030', 'hz', 15 # _codecs_hk 16 'big5hkscs', 17 # _codecs_jp 18 'cp932', 'shift_jis', 'euc_jp', 'euc_jisx0213', 'shift_jisx0213', 19 'euc_jis_2004', 'shift_jis_2004', 20 # _codecs_kr 21 'cp949', 'euc_kr', 'johab', 22 # _codecs_tw 23 'big5', 'cp950', 24 # _codecs_iso2022 25 'iso2022_jp', 'iso2022_jp_1', 'iso2022_jp_2', 'iso2022_jp_2004', 26 'iso2022_jp_3', 'iso2022_jp_ext', 'iso2022_kr', 27 ] 28 29 class Test_MultibyteCodec(unittest.TestCase): 30 31 def test_nullcoding(self): 32 for enc in ALL_CJKENCODINGS: 33 self.assertEqual(''.decode(enc), u'') 34 self.assertEqual(unicode('', enc), u'') 35 self.assertEqual(u''.encode(enc), '') 36 37 def test_str_decode(self): 38 for enc in ALL_CJKENCODINGS: 39 self.assertEqual('abcd'.encode(enc), 'abcd') 40 41 def test_errorcallback_longindex(self): 42 dec = codecs.getdecoder('euc-kr') 43 myreplace = lambda exc: (u'', sys.maxint+1) 44 codecs.register_error('test.cjktest', myreplace) 45 self.assertRaises(IndexError, dec, 46 'apple\x92ham\x93spam', 'test.cjktest') 47 48 def test_codingspec(self): 49 for enc in ALL_CJKENCODINGS: 50 code = '# coding: {}\n'.format(enc) 51 exec code 52 53 def test_init_segfault(self): 54 # bug #3305: this used to segfault 55 self.assertRaises(AttributeError, 56 _multibytecodec.MultibyteStreamReader, None) 57 self.assertRaises(AttributeError, 58 _multibytecodec.MultibyteStreamWriter, None) 59 60 61 class Test_IncrementalEncoder(unittest.TestCase): 62 63 def test_stateless(self): 64 # cp949 encoder isn't stateful at all. 65 encoder = codecs.getincrementalencoder('cp949')() 66 self.assertEqual(encoder.encode(u'\ud30c\uc774\uc36c \ub9c8\uc744'), 67 '\xc6\xc4\xc0\xcc\xbd\xe3 \xb8\xb6\xc0\xbb') 68 self.assertEqual(encoder.reset(), None) 69 self.assertEqual(encoder.encode(u'\u2606\u223c\u2606', True), 70 '\xa1\xd9\xa1\xad\xa1\xd9') 71 self.assertEqual(encoder.reset(), None) 72 self.assertEqual(encoder.encode(u'', True), '') 73 self.assertEqual(encoder.encode(u'', False), '') 74 self.assertEqual(encoder.reset(), None) 75 76 def test_stateful(self): 77 # jisx0213 encoder is stateful for a few codepoints. eg) 78 # U+00E6 => A9DC 79 # U+00E6 U+0300 => ABC4 80 # U+0300 => ABDC 81 82 encoder = codecs.getincrementalencoder('jisx0213')() 83 self.assertEqual(encoder.encode(u'\u00e6\u0300'), '\xab\xc4') 84 self.assertEqual(encoder.encode(u'\u00e6'), '') 85 self.assertEqual(encoder.encode(u'\u0300'), '\xab\xc4') 86 self.assertEqual(encoder.encode(u'\u00e6', True), '\xa9\xdc') 87 88 self.assertEqual(encoder.reset(), None) 89 self.assertEqual(encoder.encode(u'\u0300'), '\xab\xdc') 90 91 self.assertEqual(encoder.encode(u'\u00e6'), '') 92 self.assertEqual(encoder.encode('', True), '\xa9\xdc') 93 self.assertEqual(encoder.encode('', True), '') 94 95 def test_stateful_keep_buffer(self): 96 encoder = codecs.getincrementalencoder('jisx0213')() 97 self.assertEqual(encoder.encode(u'\u00e6'), '') 98 self.assertRaises(UnicodeEncodeError, encoder.encode, u'\u0123') 99 self.assertEqual(encoder.encode(u'\u0300\u00e6'), '\xab\xc4') 100 self.assertRaises(UnicodeEncodeError, encoder.encode, u'\u0123') 101 self.assertEqual(encoder.reset(), None) 102 self.assertEqual(encoder.encode(u'\u0300'), '\xab\xdc') 103 self.assertEqual(encoder.encode(u'\u00e6'), '') 104 self.assertRaises(UnicodeEncodeError, encoder.encode, u'\u0123') 105 self.assertEqual(encoder.encode(u'', True), '\xa9\xdc') 106 107 def test_issue5640(self): 108 encoder = codecs.getincrementalencoder('shift-jis')('backslashreplace') 109 self.assertEqual(encoder.encode(u'\xff'), b'\\xff') 110 self.assertEqual(encoder.encode(u'\n'), b'\n') 111 112 class Test_IncrementalDecoder(unittest.TestCase): 113 114 def test_dbcs(self): 115 # cp949 decoder is simple with only 1 or 2 bytes sequences. 116 decoder = codecs.getincrementaldecoder('cp949')() 117 self.assertEqual(decoder.decode('\xc6\xc4\xc0\xcc\xbd'), 118 u'\ud30c\uc774') 119 self.assertEqual(decoder.decode('\xe3 \xb8\xb6\xc0\xbb'), 120 u'\uc36c \ub9c8\uc744') 121 self.assertEqual(decoder.decode(''), u'') 122 123 def test_dbcs_keep_buffer(self): 124 decoder = codecs.getincrementaldecoder('cp949')() 125 self.assertEqual(decoder.decode('\xc6\xc4\xc0'), u'\ud30c') 126 self.assertRaises(UnicodeDecodeError, decoder.decode, '', True) 127 self.assertEqual(decoder.decode('\xcc'), u'\uc774') 128 129 self.assertEqual(decoder.decode('\xc6\xc4\xc0'), u'\ud30c') 130 self.assertRaises(UnicodeDecodeError, decoder.decode, '\xcc\xbd', True) 131 self.assertEqual(decoder.decode('\xcc'), u'\uc774') 132 133 def test_iso2022(self): 134 decoder = codecs.getincrementaldecoder('iso2022-jp')() 135 ESC = '\x1b' 136 self.assertEqual(decoder.decode(ESC + '('), u'') 137 self.assertEqual(decoder.decode('B', True), u'') 138 self.assertEqual(decoder.decode(ESC + '$'), u'') 139 self.assertEqual(decoder.decode('B@$'), u'\u4e16') 140 self.assertEqual(decoder.decode('@$@'), u'\u4e16') 141 self.assertEqual(decoder.decode('$', True), u'\u4e16') 142 self.assertEqual(decoder.reset(), None) 143 self.assertEqual(decoder.decode('@$'), u'@$') 144 self.assertEqual(decoder.decode(ESC + '$'), u'') 145 self.assertRaises(UnicodeDecodeError, decoder.decode, '', True) 146 self.assertEqual(decoder.decode('B@$'), u'\u4e16') 147 148 class Test_StreamReader(unittest.TestCase): 149 def test_bug1728403(self): 150 try: 151 open(TESTFN, 'w').write('\xa1') 152 f = codecs.open(TESTFN, encoding='cp949') 153 self.assertRaises(UnicodeDecodeError, f.read, 2) 154 finally: 155 try: f.close() 156 except: pass 157 os.unlink(TESTFN) 158 159 class Test_StreamWriter(unittest.TestCase): 160 if len(u'\U00012345') == 2: # UCS2 161 def test_gb18030(self): 162 s = StringIO.StringIO() 163 c = codecs.getwriter('gb18030')(s) 164 c.write(u'123') 165 self.assertEqual(s.getvalue(), '123') 166 c.write(u'\U00012345') 167 self.assertEqual(s.getvalue(), '123\x907\x959') 168 c.write(u'\U00012345'[0]) 169 self.assertEqual(s.getvalue(), '123\x907\x959') 170 c.write(u'\U00012345'[1] + u'\U00012345' + u'\uac00\u00ac') 171 self.assertEqual(s.getvalue(), 172 '123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851') 173 c.write(u'\U00012345'[0]) 174 self.assertEqual(s.getvalue(), 175 '123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851') 176 self.assertRaises(UnicodeError, c.reset) 177 self.assertEqual(s.getvalue(), 178 '123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851') 179 180 def test_utf_8(self): 181 s= StringIO.StringIO() 182 c = codecs.getwriter('utf-8')(s) 183 c.write(u'123') 184 self.assertEqual(s.getvalue(), '123') 185 c.write(u'\U00012345') 186 self.assertEqual(s.getvalue(), '123\xf0\x92\x8d\x85') 187 188 # Python utf-8 codec can't buffer surrogate pairs yet. 189 if 0: 190 c.write(u'\U00012345'[0]) 191 self.assertEqual(s.getvalue(), '123\xf0\x92\x8d\x85') 192 c.write(u'\U00012345'[1] + u'\U00012345' + u'\uac00\u00ac') 193 self.assertEqual(s.getvalue(), 194 '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85' 195 '\xea\xb0\x80\xc2\xac') 196 c.write(u'\U00012345'[0]) 197 self.assertEqual(s.getvalue(), 198 '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85' 199 '\xea\xb0\x80\xc2\xac') 200 c.reset() 201 self.assertEqual(s.getvalue(), 202 '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85' 203 '\xea\xb0\x80\xc2\xac\xed\xa0\x88') 204 c.write(u'\U00012345'[1]) 205 self.assertEqual(s.getvalue(), 206 '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85' 207 '\xea\xb0\x80\xc2\xac\xed\xa0\x88\xed\xbd\x85') 208 209 else: # UCS4 210 pass 211 212 def test_streamwriter_strwrite(self): 213 s = StringIO.StringIO() 214 wr = codecs.getwriter('gb18030')(s) 215 wr.write('abcd') 216 self.assertEqual(s.getvalue(), 'abcd') 217 218 class Test_ISO2022(unittest.TestCase): 219 def test_g2(self): 220 iso2022jp2 = '\x1b(B:hu4:unit\x1b.A\x1bNi de famille' 221 uni = u':hu4:unit\xe9 de famille' 222 self.assertEqual(iso2022jp2.decode('iso2022-jp-2'), uni) 223 224 def test_iso2022_jp_g0(self): 225 self.assertNotIn('\x0e', u'\N{SOFT HYPHEN}'.encode('iso-2022-jp-2')) 226 for encoding in ('iso-2022-jp-2004', 'iso-2022-jp-3'): 227 e = u'\u3406'.encode(encoding) 228 self.assertFalse(filter(lambda x: x >= '\x80', e)) 229 230 def test_bug1572832(self): 231 if sys.maxunicode >= 0x10000: 232 myunichr = unichr 233 else: 234 myunichr = lambda x: unichr(0xD7C0+(x>>10)) + unichr(0xDC00+(x&0x3FF)) 235 236 for x in xrange(0x10000, 0x110000): 237 # Any ISO 2022 codec will cause the segfault 238 myunichr(x).encode('iso_2022_jp', 'ignore') 239 240 class TestStateful(unittest.TestCase): 241 text = u'\u4E16\u4E16' 242 encoding = 'iso-2022-jp' 243 expected = b'\x1b$B@$@$' 244 expected_reset = b'\x1b$B@$@$\x1b(B' 245 246 def test_encode(self): 247 self.assertEqual(self.text.encode(self.encoding), self.expected_reset) 248 249 def test_incrementalencoder(self): 250 encoder = codecs.getincrementalencoder(self.encoding)() 251 output = b''.join( 252 encoder.encode(char) 253 for char in self.text) 254 self.assertEqual(output, self.expected) 255 256 def test_incrementalencoder_final(self): 257 encoder = codecs.getincrementalencoder(self.encoding)() 258 last_index = len(self.text) - 1 259 output = b''.join( 260 encoder.encode(char, index == last_index) 261 for index, char in enumerate(self.text)) 262 self.assertEqual(output, self.expected_reset) 263 264 class TestHZStateful(TestStateful): 265 text = u'\u804a\u804a' 266 encoding = 'hz' 267 expected = b'~{ADAD' 268 expected_reset = b'~{ADAD~}' 269 270 def test_main(): 271 test_support.run_unittest(__name__) 272 273 if __name__ == "__main__": 274 test_main() 275
