test_ucn.py 6.0 KB

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  1. """ Test script for the Unicode implementation.
  2. Written by Bill Tutt.
  3. Modified for Python 2.0 by Fredrik Lundh (fredrik@pythonware.com)
  4. (c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
  5. """#"
  6. import unittest
  7. import sys
  8. from test import test_support
  9. try:
  10. from _testcapi import INT_MAX, PY_SSIZE_T_MAX, UINT_MAX
  11. except ImportError:
  12. INT_MAX = PY_SSIZE_T_MAX = UINT_MAX = 2**64 - 1
  13. class UnicodeNamesTest(unittest.TestCase):
  14. def checkletter(self, name, code):
  15. # Helper that put all \N escapes inside eval'd raw strings,
  16. # to make sure this script runs even if the compiler
  17. # chokes on \N escapes
  18. res = eval(ur'u"\N{%s}"' % name)
  19. self.assertEqual(res, code)
  20. return res
  21. def test_general(self):
  22. # General and case insensitivity test:
  23. chars = [
  24. "LATIN CAPITAL LETTER T",
  25. "LATIN SMALL LETTER H",
  26. "LATIN SMALL LETTER E",
  27. "SPACE",
  28. "LATIN SMALL LETTER R",
  29. "LATIN CAPITAL LETTER E",
  30. "LATIN SMALL LETTER D",
  31. "SPACE",
  32. "LATIN SMALL LETTER f",
  33. "LATIN CAPITAL LeTtEr o",
  34. "LATIN SMaLl LETTER x",
  35. "SPACE",
  36. "LATIN SMALL LETTER A",
  37. "LATIN SMALL LETTER T",
  38. "LATIN SMALL LETTER E",
  39. "SPACE",
  40. "LATIN SMALL LETTER T",
  41. "LATIN SMALL LETTER H",
  42. "LATIN SMALL LETTER E",
  43. "SpAcE",
  44. "LATIN SMALL LETTER S",
  45. "LATIN SMALL LETTER H",
  46. "LATIN small LETTER e",
  47. "LATIN small LETTER e",
  48. "LATIN SMALL LETTER P",
  49. "FULL STOP"
  50. ]
  51. string = u"The rEd fOx ate the sheep."
  52. self.assertEqual(
  53. u"".join([self.checkletter(*args) for args in zip(chars, string)]),
  54. string
  55. )
  56. def test_ascii_letters(self):
  57. import unicodedata
  58. for char in "".join(map(chr, xrange(ord("a"), ord("z")))):
  59. name = "LATIN SMALL LETTER %s" % char.upper()
  60. code = unicodedata.lookup(name)
  61. self.assertEqual(unicodedata.name(code), name)
  62. def test_hangul_syllables(self):
  63. self.checkletter("HANGUL SYLLABLE GA", u"\uac00")
  64. self.checkletter("HANGUL SYLLABLE GGWEOSS", u"\uafe8")
  65. self.checkletter("HANGUL SYLLABLE DOLS", u"\ub3d0")
  66. self.checkletter("HANGUL SYLLABLE RYAN", u"\ub7b8")
  67. self.checkletter("HANGUL SYLLABLE MWIK", u"\ubba0")
  68. self.checkletter("HANGUL SYLLABLE BBWAEM", u"\ubf88")
  69. self.checkletter("HANGUL SYLLABLE SSEOL", u"\uc370")
  70. self.checkletter("HANGUL SYLLABLE YI", u"\uc758")
  71. self.checkletter("HANGUL SYLLABLE JJYOSS", u"\ucb40")
  72. self.checkletter("HANGUL SYLLABLE KYEOLS", u"\ucf28")
  73. self.checkletter("HANGUL SYLLABLE PAN", u"\ud310")
  74. self.checkletter("HANGUL SYLLABLE HWEOK", u"\ud6f8")
  75. self.checkletter("HANGUL SYLLABLE HIH", u"\ud7a3")
  76. import unicodedata
  77. self.assertRaises(ValueError, unicodedata.name, u"\ud7a4")
  78. def test_cjk_unified_ideographs(self):
  79. self.checkletter("CJK UNIFIED IDEOGRAPH-3400", u"\u3400")
  80. self.checkletter("CJK UNIFIED IDEOGRAPH-4DB5", u"\u4db5")
  81. self.checkletter("CJK UNIFIED IDEOGRAPH-4E00", u"\u4e00")
  82. self.checkletter("CJK UNIFIED IDEOGRAPH-9FA5", u"\u9fa5")
  83. self.checkletter("CJK UNIFIED IDEOGRAPH-20000", u"\U00020000")
  84. self.checkletter("CJK UNIFIED IDEOGRAPH-2A6D6", u"\U0002a6d6")
  85. def test_bmp_characters(self):
  86. import unicodedata
  87. count = 0
  88. for code in xrange(0x10000):
  89. char = unichr(code)
  90. name = unicodedata.name(char, None)
  91. if name is not None:
  92. self.assertEqual(unicodedata.lookup(name), char)
  93. count += 1
  94. def test_misc_symbols(self):
  95. self.checkletter("PILCROW SIGN", u"\u00b6")
  96. self.checkletter("REPLACEMENT CHARACTER", u"\uFFFD")
  97. self.checkletter("HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK", u"\uFF9F")
  98. self.checkletter("FULLWIDTH LATIN SMALL LETTER A", u"\uFF41")
  99. def test_errors(self):
  100. import unicodedata
  101. self.assertRaises(TypeError, unicodedata.name)
  102. self.assertRaises(TypeError, unicodedata.name, u'xx')
  103. self.assertRaises(TypeError, unicodedata.lookup)
  104. self.assertRaises(KeyError, unicodedata.lookup, u'unknown')
  105. def test_strict_eror_handling(self):
  106. # bogus character name
  107. self.assertRaises(
  108. UnicodeError,
  109. unicode, "\\N{blah}", 'unicode-escape', 'strict'
  110. )
  111. # long bogus character name
  112. self.assertRaises(
  113. UnicodeError,
  114. unicode, "\\N{%s}" % ("x" * 100000), 'unicode-escape', 'strict'
  115. )
  116. # missing closing brace
  117. self.assertRaises(
  118. UnicodeError,
  119. unicode, "\\N{SPACE", 'unicode-escape', 'strict'
  120. )
  121. # missing opening brace
  122. self.assertRaises(
  123. UnicodeError,
  124. unicode, "\\NSPACE", 'unicode-escape', 'strict'
  125. )
  126. @test_support.cpython_only
  127. @unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX, "needs UINT_MAX < SIZE_MAX")
  128. @unittest.skipUnless(UINT_MAX < sys.maxint, "needs UINT_MAX < sys.maxint")
  129. @test_support.bigmemtest(minsize=UINT_MAX + 1,
  130. memuse=2 + 4 // len(u'\U00010000'))
  131. def test_issue16335(self, size):
  132. func = self.test_issue16335
  133. if size < func.minsize:
  134. raise unittest.SkipTest("not enough memory: %.1fG minimum needed" %
  135. (func.minsize * func.memuse / float(1024**3),))
  136. # very very long bogus character name
  137. x = b'\\N{SPACE' + b'x' * int(UINT_MAX + 1) + b'}'
  138. self.assertEqual(len(x), len(b'\\N{SPACE}') + (UINT_MAX + 1))
  139. self.assertRaisesRegexp(UnicodeError,
  140. 'unknown Unicode character name',
  141. x.decode, 'unicode-escape'
  142. )
  143. def test_main():
  144. test_support.run_unittest(UnicodeNamesTest)
  145. if __name__ == "__main__":
  146. test_main()