mirror of https://github.com/python/cpython.git
242 lines
9.5 KiB
Python
242 lines
9.5 KiB
Python
""" Test script for the Unicode implementation.
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Written by Bill Tutt.
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Modified for Python 2.0 by Fredrik Lundh (fredrik@pythonware.com)
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(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
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"""#"
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import ast
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import unittest
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import unicodedata
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from test import support
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from http.client import HTTPException
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try:
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from _testcapi import INT_MAX, PY_SSIZE_T_MAX, UINT_MAX
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except ImportError:
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INT_MAX = PY_SSIZE_T_MAX = UINT_MAX = 2**64 - 1
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class UnicodeNamesTest(unittest.TestCase):
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def checkletter(self, name, code):
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# Helper that put all \N escapes inside eval'd raw strings,
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# to make sure this script runs even if the compiler
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# chokes on \N escapes
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res = ast.literal_eval(r'"\N{%s}"' % name)
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self.assertEqual(res, code)
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return res
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def test_general(self):
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# General and case insensitivity test:
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chars = [
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"LATIN CAPITAL LETTER T",
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"LATIN SMALL LETTER H",
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"LATIN SMALL LETTER E",
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"SPACE",
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"LATIN SMALL LETTER R",
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"LATIN CAPITAL LETTER E",
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"LATIN SMALL LETTER D",
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"SPACE",
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"LATIN SMALL LETTER f",
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"LATIN CAPITAL LeTtEr o",
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"LATIN SMaLl LETTER x",
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"SPACE",
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"LATIN SMALL LETTER A",
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"LATIN SMALL LETTER T",
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"LATIN SMALL LETTER E",
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"SPACE",
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"LATIN SMALL LETTER T",
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"LATIN SMALL LETTER H",
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"LATIN SMALL LETTER E",
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"SpAcE",
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"LATIN SMALL LETTER S",
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"LATIN SMALL LETTER H",
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"LATIN small LETTER e",
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"LATIN small LETTER e",
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"LATIN SMALL LETTER P",
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"FULL STOP"
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]
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string = "The rEd fOx ate the sheep."
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self.assertEqual(
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"".join([self.checkletter(*args) for args in zip(chars, string)]),
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string
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)
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def test_ascii_letters(self):
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for char in "".join(map(chr, range(ord("a"), ord("z")))):
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name = "LATIN SMALL LETTER %s" % char.upper()
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code = unicodedata.lookup(name)
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self.assertEqual(unicodedata.name(code), name)
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def test_hangul_syllables(self):
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self.checkletter("HANGUL SYLLABLE GA", "\uac00")
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self.checkletter("HANGUL SYLLABLE GGWEOSS", "\uafe8")
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self.checkletter("HANGUL SYLLABLE DOLS", "\ub3d0")
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self.checkletter("HANGUL SYLLABLE RYAN", "\ub7b8")
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self.checkletter("HANGUL SYLLABLE MWIK", "\ubba0")
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self.checkletter("HANGUL SYLLABLE BBWAEM", "\ubf88")
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self.checkletter("HANGUL SYLLABLE SSEOL", "\uc370")
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self.checkletter("HANGUL SYLLABLE YI", "\uc758")
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self.checkletter("HANGUL SYLLABLE JJYOSS", "\ucb40")
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self.checkletter("HANGUL SYLLABLE KYEOLS", "\ucf28")
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self.checkletter("HANGUL SYLLABLE PAN", "\ud310")
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self.checkletter("HANGUL SYLLABLE HWEOK", "\ud6f8")
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self.checkletter("HANGUL SYLLABLE HIH", "\ud7a3")
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self.assertRaises(ValueError, unicodedata.name, "\ud7a4")
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def test_cjk_unified_ideographs(self):
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self.checkletter("CJK UNIFIED IDEOGRAPH-3400", "\u3400")
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self.checkletter("CJK UNIFIED IDEOGRAPH-4DB5", "\u4db5")
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self.checkletter("CJK UNIFIED IDEOGRAPH-4E00", "\u4e00")
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self.checkletter("CJK UNIFIED IDEOGRAPH-9FCB", "\u9fCB")
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self.checkletter("CJK UNIFIED IDEOGRAPH-20000", "\U00020000")
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self.checkletter("CJK UNIFIED IDEOGRAPH-2A6D6", "\U0002a6d6")
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self.checkletter("CJK UNIFIED IDEOGRAPH-2A700", "\U0002A700")
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self.checkletter("CJK UNIFIED IDEOGRAPH-2B734", "\U0002B734")
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self.checkletter("CJK UNIFIED IDEOGRAPH-2B740", "\U0002B740")
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self.checkletter("CJK UNIFIED IDEOGRAPH-2B81D", "\U0002B81D")
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self.checkletter("CJK UNIFIED IDEOGRAPH-3134A", "\U0003134A")
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def test_bmp_characters(self):
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for code in range(0x10000):
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char = chr(code)
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name = unicodedata.name(char, None)
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if name is not None:
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self.assertEqual(unicodedata.lookup(name), char)
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def test_misc_symbols(self):
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self.checkletter("PILCROW SIGN", "\u00b6")
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self.checkletter("REPLACEMENT CHARACTER", "\uFFFD")
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self.checkletter("HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK", "\uFF9F")
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self.checkletter("FULLWIDTH LATIN SMALL LETTER A", "\uFF41")
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def test_aliases(self):
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# Check that the aliases defined in the NameAliases.txt file work.
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# This should be updated when new aliases are added or the file
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# should be downloaded and parsed instead. See #12753.
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aliases = [
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('LATIN CAPITAL LETTER GHA', 0x01A2),
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('LATIN SMALL LETTER GHA', 0x01A3),
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('KANNADA LETTER LLLA', 0x0CDE),
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('LAO LETTER FO FON', 0x0E9D),
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('LAO LETTER FO FAY', 0x0E9F),
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('LAO LETTER RO', 0x0EA3),
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('LAO LETTER LO', 0x0EA5),
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('TIBETAN MARK BKA- SHOG GI MGO RGYAN', 0x0FD0),
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('YI SYLLABLE ITERATION MARK', 0xA015),
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('PRESENTATION FORM FOR VERTICAL RIGHT WHITE LENTICULAR BRACKET', 0xFE18),
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('BYZANTINE MUSICAL SYMBOL FTHORA SKLIRON CHROMA VASIS', 0x1D0C5)
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]
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for alias, codepoint in aliases:
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self.checkletter(alias, chr(codepoint))
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name = unicodedata.name(chr(codepoint))
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self.assertNotEqual(name, alias)
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self.assertEqual(unicodedata.lookup(alias),
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unicodedata.lookup(name))
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with self.assertRaises(KeyError):
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unicodedata.ucd_3_2_0.lookup(alias)
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def test_aliases_names_in_pua_range(self):
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# We are storing aliases in the PUA 15, but their names shouldn't leak
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for cp in range(0xf0000, 0xf0100):
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with self.assertRaises(ValueError) as cm:
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unicodedata.name(chr(cp))
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self.assertEqual(str(cm.exception), 'no such name')
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def test_named_sequences_names_in_pua_range(self):
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# We are storing named seq in the PUA 15, but their names shouldn't leak
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for cp in range(0xf0100, 0xf0fff):
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with self.assertRaises(ValueError) as cm:
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unicodedata.name(chr(cp))
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self.assertEqual(str(cm.exception), 'no such name')
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def test_named_sequences_sample(self):
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# Check a few named sequences. See #12753.
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sequences = [
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('LATIN SMALL LETTER R WITH TILDE', '\u0072\u0303'),
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('TAMIL SYLLABLE SAI', '\u0BB8\u0BC8'),
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('TAMIL SYLLABLE MOO', '\u0BAE\u0BCB'),
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('TAMIL SYLLABLE NNOO', '\u0BA3\u0BCB'),
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('TAMIL CONSONANT KSS', '\u0B95\u0BCD\u0BB7\u0BCD'),
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]
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for seqname, codepoints in sequences:
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self.assertEqual(unicodedata.lookup(seqname), codepoints)
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with self.assertRaises(SyntaxError):
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self.checkletter(seqname, None)
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with self.assertRaises(KeyError):
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unicodedata.ucd_3_2_0.lookup(seqname)
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def test_named_sequences_full(self):
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# Check all the named sequences
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def check_version(testfile):
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hdr = testfile.readline()
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return unicodedata.unidata_version in hdr
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url = ("http://www.pythontest.net/unicode/%s/NamedSequences.txt" %
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unicodedata.unidata_version)
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try:
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testdata = support.open_urlresource(url, encoding="utf-8",
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check=check_version)
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except (OSError, HTTPException):
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self.skipTest("Could not retrieve " + url)
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self.addCleanup(testdata.close)
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for line in testdata:
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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seqname, codepoints = line.split(';')
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codepoints = ''.join(chr(int(cp, 16)) for cp in codepoints.split())
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self.assertEqual(unicodedata.lookup(seqname), codepoints)
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with self.assertRaises(SyntaxError):
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self.checkletter(seqname, None)
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with self.assertRaises(KeyError):
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unicodedata.ucd_3_2_0.lookup(seqname)
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def test_errors(self):
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self.assertRaises(TypeError, unicodedata.name)
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self.assertRaises(TypeError, unicodedata.name, 'xx')
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self.assertRaises(TypeError, unicodedata.lookup)
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self.assertRaises(KeyError, unicodedata.lookup, 'unknown')
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def test_strict_error_handling(self):
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# bogus character name
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self.assertRaises(
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UnicodeError,
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str, b"\\N{blah}", 'unicode-escape', 'strict'
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)
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# long bogus character name
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self.assertRaises(
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UnicodeError,
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str, bytes("\\N{%s}" % ("x" * 100000), "ascii"), 'unicode-escape', 'strict'
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)
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# missing closing brace
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self.assertRaises(
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UnicodeError,
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str, b"\\N{SPACE", 'unicode-escape', 'strict'
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)
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# missing opening brace
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self.assertRaises(
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UnicodeError,
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str, b"\\NSPACE", 'unicode-escape', 'strict'
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)
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@support.cpython_only
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@unittest.skipUnless(INT_MAX < PY_SSIZE_T_MAX, "needs UINT_MAX < SIZE_MAX")
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@support.bigmemtest(size=UINT_MAX + 1, memuse=2 + 1, dry_run=False)
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def test_issue16335(self, size):
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# very very long bogus character name
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x = b'\\N{SPACE' + b'x' * (UINT_MAX + 1) + b'}'
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self.assertEqual(len(x), len(b'\\N{SPACE}') + (UINT_MAX + 1))
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self.assertRaisesRegex(UnicodeError,
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'unknown Unicode character name',
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x.decode, 'unicode-escape'
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)
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if __name__ == "__main__":
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unittest.main()
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