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			417 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			417 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
""" Tests for the unicodedata module.
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    Written by Marc-Andre Lemburg (mal@lemburg.com).
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    (c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
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"""
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import hashlib
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from http.client import HTTPException
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import sys
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import unicodedata
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import unittest
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from test.support import (open_urlresource, requires_resource, script_helper,
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                          cpython_only, check_disallow_instantiation)
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class UnicodeMethodsTest(unittest.TestCase):
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    # update this, if the database changes
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    expectedchecksum = '4739770dd4d0e5f1b1677accfc3552ed3c8ef326'
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    @requires_resource('cpu')
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    def test_method_checksum(self):
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        h = hashlib.sha1()
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        for i in range(sys.maxunicode + 1):
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            char = chr(i)
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            data = [
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                # Predicates (single char)
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                "01"[char.isalnum()],
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                "01"[char.isalpha()],
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                "01"[char.isdecimal()],
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                "01"[char.isdigit()],
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                "01"[char.islower()],
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                "01"[char.isnumeric()],
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                "01"[char.isspace()],
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                "01"[char.istitle()],
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                "01"[char.isupper()],
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                # Predicates (multiple chars)
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                "01"[(char + 'abc').isalnum()],
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                "01"[(char + 'abc').isalpha()],
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                "01"[(char + '123').isdecimal()],
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                "01"[(char + '123').isdigit()],
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                "01"[(char + 'abc').islower()],
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                "01"[(char + '123').isnumeric()],
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                "01"[(char + ' \t').isspace()],
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                "01"[(char + 'abc').istitle()],
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                "01"[(char + 'ABC').isupper()],
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                # Mappings (single char)
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                char.lower(),
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                char.upper(),
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                char.title(),
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                # Mappings (multiple chars)
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                (char + 'abc').lower(),
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                (char + 'ABC').upper(),
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                (char + 'abc').title(),
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                (char + 'ABC').title(),
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                ]
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            h.update(''.join(data).encode('utf-8', 'surrogatepass'))
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        result = h.hexdigest()
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        self.assertEqual(result, self.expectedchecksum)
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class UnicodeDatabaseTest(unittest.TestCase):
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    db = unicodedata
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class UnicodeFunctionsTest(UnicodeDatabaseTest):
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    # Update this if the database changes. Make sure to do a full rebuild
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    # (e.g. 'make distclean && make') to get the correct checksum.
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    expectedchecksum = '98d602e1f69d5c5bb8a5910c40bbbad4e18e8370'
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    @requires_resource('cpu')
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    def test_function_checksum(self):
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        data = []
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        h = hashlib.sha1()
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        for i in range(sys.maxunicode + 1):
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            char = chr(i)
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            data = [
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                # Properties
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                format(self.db.digit(char, -1), '.12g'),
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                format(self.db.numeric(char, -1), '.12g'),
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                format(self.db.decimal(char, -1), '.12g'),
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                self.db.category(char),
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                self.db.bidirectional(char),
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                self.db.decomposition(char),
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                str(self.db.mirrored(char)),
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                str(self.db.combining(char)),
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            ]
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            h.update(''.join(data).encode("ascii"))
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        result = h.hexdigest()
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        self.assertEqual(result, self.expectedchecksum)
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    def test_digit(self):
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        self.assertEqual(self.db.digit('A', None), None)
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        self.assertEqual(self.db.digit('9'), 9)
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        self.assertEqual(self.db.digit('\u215b', None), None)
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        self.assertEqual(self.db.digit('\u2468'), 9)
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        self.assertEqual(self.db.digit('\U00020000', None), None)
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        self.assertEqual(self.db.digit('\U0001D7FD'), 7)
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        self.assertRaises(TypeError, self.db.digit)
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        self.assertRaises(TypeError, self.db.digit, 'xx')
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        self.assertRaises(ValueError, self.db.digit, 'x')
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    def test_numeric(self):
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        self.assertEqual(self.db.numeric('A',None), None)
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        self.assertEqual(self.db.numeric('9'), 9)
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        self.assertEqual(self.db.numeric('\u215b'), 0.125)
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        self.assertEqual(self.db.numeric('\u2468'), 9.0)
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        self.assertEqual(self.db.numeric('\ua627'), 7.0)
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        self.assertEqual(self.db.numeric('\U00020000', None), None)
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        self.assertEqual(self.db.numeric('\U0001012A'), 9000)
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        self.assertRaises(TypeError, self.db.numeric)
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        self.assertRaises(TypeError, self.db.numeric, 'xx')
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        self.assertRaises(ValueError, self.db.numeric, 'x')
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    def test_decimal(self):
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        self.assertEqual(self.db.decimal('A',None), None)
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        self.assertEqual(self.db.decimal('9'), 9)
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        self.assertEqual(self.db.decimal('\u215b', None), None)
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        self.assertEqual(self.db.decimal('\u2468', None), None)
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        self.assertEqual(self.db.decimal('\U00020000', None), None)
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        self.assertEqual(self.db.decimal('\U0001D7FD'), 7)
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        self.assertRaises(TypeError, self.db.decimal)
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        self.assertRaises(TypeError, self.db.decimal, 'xx')
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        self.assertRaises(ValueError, self.db.decimal, 'x')
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    def test_category(self):
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        self.assertEqual(self.db.category('\uFFFE'), 'Cn')
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        self.assertEqual(self.db.category('a'), 'Ll')
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        self.assertEqual(self.db.category('A'), 'Lu')
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        self.assertEqual(self.db.category('\U00020000'), 'Lo')
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        self.assertEqual(self.db.category('\U0001012A'), 'No')
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        self.assertRaises(TypeError, self.db.category)
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        self.assertRaises(TypeError, self.db.category, 'xx')
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    def test_bidirectional(self):
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        self.assertEqual(self.db.bidirectional('\uFFFE'), '')
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        self.assertEqual(self.db.bidirectional(' '), 'WS')
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        self.assertEqual(self.db.bidirectional('A'), 'L')
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        self.assertEqual(self.db.bidirectional('\U00020000'), 'L')
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        self.assertRaises(TypeError, self.db.bidirectional)
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        self.assertRaises(TypeError, self.db.bidirectional, 'xx')
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    def test_decomposition(self):
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        self.assertEqual(self.db.decomposition('\uFFFE'),'')
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        self.assertEqual(self.db.decomposition('\u00bc'), '<fraction> 0031 2044 0034')
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        self.assertRaises(TypeError, self.db.decomposition)
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        self.assertRaises(TypeError, self.db.decomposition, 'xx')
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    def test_mirrored(self):
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        self.assertEqual(self.db.mirrored('\uFFFE'), 0)
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        self.assertEqual(self.db.mirrored('a'), 0)
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        self.assertEqual(self.db.mirrored('\u2201'), 1)
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        self.assertEqual(self.db.mirrored('\U00020000'), 0)
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        self.assertRaises(TypeError, self.db.mirrored)
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        self.assertRaises(TypeError, self.db.mirrored, 'xx')
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    def test_combining(self):
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        self.assertEqual(self.db.combining('\uFFFE'), 0)
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        self.assertEqual(self.db.combining('a'), 0)
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        self.assertEqual(self.db.combining('\u20e1'), 230)
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        self.assertEqual(self.db.combining('\U00020000'), 0)
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        self.assertRaises(TypeError, self.db.combining)
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        self.assertRaises(TypeError, self.db.combining, 'xx')
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    def test_pr29(self):
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        # https://www.unicode.org/review/pr-29.html
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        # See issues #1054943 and #10254.
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        composed = ("\u0b47\u0300\u0b3e", "\u1100\u0300\u1161",
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                    'Li\u030dt-s\u1e73\u0301',
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                    '\u092e\u093e\u0930\u094d\u0915 \u091c\u093c'
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                    + '\u0941\u0915\u0947\u0930\u092c\u0930\u094d\u0917',
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                    '\u0915\u093f\u0930\u094d\u0917\u093f\u091c\u093c'
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                    + '\u0938\u094d\u0924\u093e\u0928')
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        for text in composed:
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            self.assertEqual(self.db.normalize('NFC', text), text)
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    def test_issue10254(self):
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        # Crash reported in #10254
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        a = 'C\u0338' * 20  + 'C\u0327'
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        b = 'C\u0338' * 20  + '\xC7'
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        self.assertEqual(self.db.normalize('NFC', a), b)
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    def test_issue29456(self):
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        # Fix #29456
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        u1176_str_a = '\u1100\u1176\u11a8'
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        u1176_str_b = '\u1100\u1176\u11a8'
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        u11a7_str_a = '\u1100\u1175\u11a7'
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        u11a7_str_b = '\uae30\u11a7'
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        u11c3_str_a = '\u1100\u1175\u11c3'
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        u11c3_str_b = '\uae30\u11c3'
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        self.assertEqual(self.db.normalize('NFC', u1176_str_a), u1176_str_b)
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        self.assertEqual(self.db.normalize('NFC', u11a7_str_a), u11a7_str_b)
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        self.assertEqual(self.db.normalize('NFC', u11c3_str_a), u11c3_str_b)
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    def test_east_asian_width(self):
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        eaw = self.db.east_asian_width
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        self.assertRaises(TypeError, eaw, b'a')
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        self.assertRaises(TypeError, eaw, bytearray())
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        self.assertRaises(TypeError, eaw, '')
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        self.assertRaises(TypeError, eaw, 'ra')
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        self.assertEqual(eaw('\x1e'), 'N')
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        self.assertEqual(eaw('\x20'), 'Na')
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        self.assertEqual(eaw('\uC894'), 'W')
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        self.assertEqual(eaw('\uFF66'), 'H')
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        self.assertEqual(eaw('\uFF1F'), 'F')
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        self.assertEqual(eaw('\u2010'), 'A')
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        self.assertEqual(eaw('\U00020000'), 'W')
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    def test_east_asian_width_9_0_changes(self):
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        self.assertEqual(self.db.ucd_3_2_0.east_asian_width('\u231a'), 'N')
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        self.assertEqual(self.db.east_asian_width('\u231a'), 'W')
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class UnicodeMiscTest(UnicodeDatabaseTest):
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    @cpython_only
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    def test_disallow_instantiation(self):
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        # Ensure that the type disallows instantiation (bpo-43916)
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        check_disallow_instantiation(self, unicodedata.UCD)
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    def test_failed_import_during_compiling(self):
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        # Issue 4367
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        # Decoding \N escapes requires the unicodedata module. If it can't be
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        # imported, we shouldn't segfault.
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        # This program should raise a SyntaxError in the eval.
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        code = "import sys;" \
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            "sys.modules['unicodedata'] = None;" \
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            """eval("'\\\\N{SOFT HYPHEN}'")"""
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        # We use a separate process because the unicodedata module may already
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        # have been loaded in this process.
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        result = script_helper.assert_python_failure("-c", code)
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        error = "SyntaxError: (unicode error) \\N escapes not supported " \
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            "(can't load unicodedata module)"
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        self.assertIn(error, result.err.decode("ascii"))
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    def test_decimal_numeric_consistent(self):
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        # Test that decimal and numeric are consistent,
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        # i.e. if a character has a decimal value,
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        # its numeric value should be the same.
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        count = 0
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        for i in range(0x10000):
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            c = chr(i)
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            dec = self.db.decimal(c, -1)
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            if dec != -1:
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                self.assertEqual(dec, self.db.numeric(c))
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                count += 1
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        self.assertTrue(count >= 10) # should have tested at least the ASCII digits
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    def test_digit_numeric_consistent(self):
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        # Test that digit and numeric are consistent,
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        # i.e. if a character has a digit value,
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        # its numeric value should be the same.
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        count = 0
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        for i in range(0x10000):
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            c = chr(i)
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            dec = self.db.digit(c, -1)
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            if dec != -1:
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                self.assertEqual(dec, self.db.numeric(c))
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                count += 1
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        self.assertTrue(count >= 10) # should have tested at least the ASCII digits
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    def test_bug_1704793(self):
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        self.assertEqual(self.db.lookup("GOTHIC LETTER FAIHU"), '\U00010346')
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    def test_ucd_510(self):
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        import unicodedata
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        # In UCD 5.1.0, a mirrored property changed wrt. UCD 3.2.0
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        self.assertTrue(unicodedata.mirrored("\u0f3a"))
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        self.assertTrue(not unicodedata.ucd_3_2_0.mirrored("\u0f3a"))
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        # Also, we now have two ways of representing
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        # the upper-case mapping: as delta, or as absolute value
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        self.assertTrue("a".upper()=='A')
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        self.assertTrue("\u1d79".upper()=='\ua77d')
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        self.assertTrue(".".upper()=='.')
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    def test_bug_5828(self):
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        self.assertEqual("\u1d79".lower(), "\u1d79")
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        # Only U+0000 should have U+0000 as its upper/lower/titlecase variant
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        self.assertEqual(
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            [
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                c for c in range(sys.maxunicode+1)
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                if "\x00" in chr(c).lower()+chr(c).upper()+chr(c).title()
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            ],
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            [0]
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        )
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    def test_bug_4971(self):
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        # LETTER DZ WITH CARON: DZ, Dz, dz
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        self.assertEqual("\u01c4".title(), "\u01c5")
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        self.assertEqual("\u01c5".title(), "\u01c5")
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        self.assertEqual("\u01c6".title(), "\u01c5")
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    def test_linebreak_7643(self):
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        for i in range(0x10000):
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            lines = (chr(i) + 'A').splitlines()
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            if i in (0x0a, 0x0b, 0x0c, 0x0d, 0x85,
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                     0x1c, 0x1d, 0x1e, 0x2028, 0x2029):
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                self.assertEqual(len(lines), 2,
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                                 r"\u%.4x should be a linebreak" % i)
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            else:
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                self.assertEqual(len(lines), 1,
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                                 r"\u%.4x should not be a linebreak" % i)
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class NormalizationTest(unittest.TestCase):
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    @staticmethod
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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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    @staticmethod
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    def unistr(data):
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        data = [int(x, 16) for x in data.split(" ")]
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        return "".join([chr(x) for x in data])
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    @requires_resource('network')
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    def test_normalization(self):
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        TESTDATAFILE = "NormalizationTest.txt"
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        TESTDATAURL = f"http://www.pythontest.net/unicode/{unicodedata.unidata_version}/{TESTDATAFILE}"
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        # Hit the exception early
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        try:
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            testdata = open_urlresource(TESTDATAURL, encoding="utf-8",
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                                        check=self.check_version)
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        except PermissionError:
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            self.skipTest(f"Permission error when downloading {TESTDATAURL} "
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                          f"into the test data directory")
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        except (OSError, HTTPException):
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            self.fail(f"Could not retrieve {TESTDATAURL}")
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        with testdata:
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            self.run_normalization_tests(testdata)
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    def run_normalization_tests(self, testdata):
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        part = None
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        part1_data = {}
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        def NFC(str):
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            return unicodedata.normalize("NFC", str)
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        def NFKC(str):
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            return unicodedata.normalize("NFKC", str)
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        def NFD(str):
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            return unicodedata.normalize("NFD", str)
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        def NFKD(str):
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            return unicodedata.normalize("NFKD", str)
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        for line in testdata:
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            if '#' in line:
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                line = line.split('#')[0]
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            line = line.strip()
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            if not line:
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                continue
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            if line.startswith("@Part"):
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                part = line.split()[0]
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                continue
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            c1,c2,c3,c4,c5 = [self.unistr(x) for x in line.split(';')[:-1]]
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            # Perform tests
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            self.assertTrue(c2 ==  NFC(c1) ==  NFC(c2) ==  NFC(c3), line)
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            self.assertTrue(c4 ==  NFC(c4) ==  NFC(c5), line)
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            self.assertTrue(c3 ==  NFD(c1) ==  NFD(c2) ==  NFD(c3), line)
 | 
						|
            self.assertTrue(c5 ==  NFD(c4) ==  NFD(c5), line)
 | 
						|
            self.assertTrue(c4 == NFKC(c1) == NFKC(c2) == \
 | 
						|
                            NFKC(c3) == NFKC(c4) == NFKC(c5),
 | 
						|
                            line)
 | 
						|
            self.assertTrue(c5 == NFKD(c1) == NFKD(c2) == \
 | 
						|
                            NFKD(c3) == NFKD(c4) == NFKD(c5),
 | 
						|
                            line)
 | 
						|
 | 
						|
            self.assertTrue(unicodedata.is_normalized("NFC", c2))
 | 
						|
            self.assertTrue(unicodedata.is_normalized("NFC", c4))
 | 
						|
 | 
						|
            self.assertTrue(unicodedata.is_normalized("NFD", c3))
 | 
						|
            self.assertTrue(unicodedata.is_normalized("NFD", c5))
 | 
						|
 | 
						|
            self.assertTrue(unicodedata.is_normalized("NFKC", c4))
 | 
						|
            self.assertTrue(unicodedata.is_normalized("NFKD", c5))
 | 
						|
 | 
						|
            # Record part 1 data
 | 
						|
            if part == "@Part1":
 | 
						|
                part1_data[c1] = 1
 | 
						|
 | 
						|
        # Perform tests for all other data
 | 
						|
        for c in range(sys.maxunicode+1):
 | 
						|
            X = chr(c)
 | 
						|
            if X in part1_data:
 | 
						|
                continue
 | 
						|
            self.assertTrue(X == NFC(X) == NFD(X) == NFKC(X) == NFKD(X), c)
 | 
						|
 | 
						|
    def test_edge_cases(self):
 | 
						|
        self.assertRaises(TypeError, unicodedata.normalize)
 | 
						|
        self.assertRaises(ValueError, unicodedata.normalize, 'unknown', 'xx')
 | 
						|
        self.assertEqual(unicodedata.normalize('NFKC', ''), '')
 | 
						|
 | 
						|
    def test_bug_834676(self):
 | 
						|
        # Check for bug 834676
 | 
						|
        unicodedata.normalize('NFC', '\ud55c\uae00')
 | 
						|
 | 
						|
 | 
						|
if __name__ == "__main__":
 | 
						|
    unittest.main()
 |