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Text File  |  2005-10-18  |  3KB  |  85 lines
  1. #!/usr/bin/env python
  2. #
  3. # test_multibytecodec.py
  4. #   Unit test for multibytecodec itself
  5. #
  6. # $CJKCodecs: test_multibytecodec.py,v 1.8 2004/06/19 06:09:55 perky Exp $
  7.  
  8. from test import test_support
  9. from test import test_multibytecodec_support
  10. import unittest, StringIO, codecs
  11.  
  12. class Test_StreamWriter(unittest.TestCase):
  13.     if len(u'\U00012345') == 2: # UCS2
  14.         def test_gb18030(self):
  15.             s= StringIO.StringIO()
  16.             c = codecs.lookup('gb18030')[3](s)
  17.             c.write(u'123')
  18.             self.assertEqual(s.getvalue(), '123')
  19.             c.write(u'\U00012345')
  20.             self.assertEqual(s.getvalue(), '123\x907\x959')
  21.             c.write(u'\U00012345'[0])
  22.             self.assertEqual(s.getvalue(), '123\x907\x959')
  23.             c.write(u'\U00012345'[1] + u'\U00012345' + u'\uac00\u00ac')
  24.             self.assertEqual(s.getvalue(),
  25.                     '123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851')
  26.             c.write(u'\U00012345'[0])
  27.             self.assertEqual(s.getvalue(),
  28.                     '123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851')
  29.             self.assertRaises(UnicodeError, c.reset)
  30.             self.assertEqual(s.getvalue(),
  31.                     '123\x907\x959\x907\x959\x907\x959\x827\xcf5\x810\x851')
  32.  
  33.         # standard utf-8 codecs has broken StreamReader
  34.         if test_multibytecodec_support.__cjkcodecs__:
  35.             def test_utf_8(self):
  36.                 s= StringIO.StringIO()
  37.                 c = codecs.lookup('utf-8')[3](s)
  38.                 c.write(u'123')
  39.                 self.assertEqual(s.getvalue(), '123')
  40.                 c.write(u'\U00012345')
  41.                 self.assertEqual(s.getvalue(), '123\xf0\x92\x8d\x85')
  42.                 c.write(u'\U00012345'[0])
  43.                 self.assertEqual(s.getvalue(), '123\xf0\x92\x8d\x85')
  44.                 c.write(u'\U00012345'[1] + u'\U00012345' + u'\uac00\u00ac')
  45.                 self.assertEqual(s.getvalue(),
  46.                     '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
  47.                     '\xea\xb0\x80\xc2\xac')
  48.                 c.write(u'\U00012345'[0])
  49.                 self.assertEqual(s.getvalue(),
  50.                     '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
  51.                     '\xea\xb0\x80\xc2\xac')
  52.                 c.reset()
  53.                 self.assertEqual(s.getvalue(),
  54.                     '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
  55.                     '\xea\xb0\x80\xc2\xac\xed\xa0\x88')
  56.                 c.write(u'\U00012345'[1])
  57.                 self.assertEqual(s.getvalue(),
  58.                     '123\xf0\x92\x8d\x85\xf0\x92\x8d\x85\xf0\x92\x8d\x85'
  59.                     '\xea\xb0\x80\xc2\xac\xed\xa0\x88\xed\xbd\x85')
  60.  
  61.     else: # UCS4
  62.         pass
  63.  
  64.     def test_nullcoding(self):
  65.         self.assertEqual(''.decode('gb18030'), u'')
  66.         self.assertEqual(unicode('', 'gb18030'), u'')
  67.         self.assertEqual(u''.encode('gb18030'), '')
  68.  
  69.     def test_str_decode(self):
  70.         self.assertEqual('abcd'.encode('gb18030'), 'abcd')
  71.  
  72.     def test_streamwriter_strwrite(self):
  73.         s = StringIO.StringIO()
  74.         wr = codecs.getwriter('gb18030')(s)
  75.         wr.write('abcd')
  76.         self.assertEqual(s.getvalue(), 'abcd')
  77.  
  78. def test_main():
  79.     suite = unittest.TestSuite()
  80.     suite.addTest(unittest.makeSuite(Test_StreamWriter))
  81.     test_support.run_suite(suite)
  82.  
  83. if __name__ == "__main__":
  84.     test_main()
  85.