mirror of https://github.com/python/cpython
446 lines
17 KiB
Python
446 lines
17 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 = 'e708c31c0d51f758adf475cb7201cf80917362be'
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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 = '26ff0d31c14194b4606a5b3a81ac36df3a14e331'
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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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unicodedata.east_asian_width(char),
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self.db.name(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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@requires_resource('cpu')
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def test_name_inverse_lookup(self):
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for i in range(sys.maxunicode + 1):
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char = chr(i)
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if looked_name := self.db.name(char, None):
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self.assertEqual(self.db.lookup(looked_name), char)
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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_unassigned(self):
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eaw = self.db.east_asian_width
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# unassigned
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for char in '\u0530\u0ecf\u10c6\u20fc\uaaca\U000107bd\U000115f2':
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self.assertEqual(eaw(char), 'N')
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self.assertIs(self.db.name(char, None), None)
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# unassigned but reserved for CJK
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for char in '\uFA6E\uFADA\U0002A6E0\U0002FA20\U0003134B\U0003FFFD':
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self.assertEqual(eaw(char), 'W')
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self.assertIs(self.db.name(char, None), None)
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# private use areas
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for char in '\uE000\uF800\U000F0000\U000FFFEE\U00100000\U0010FFF0':
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self.assertEqual(eaw(char), 'A')
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self.assertIs(self.db.name(char, None), None)
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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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@requires_resource('cpu')
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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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@requires_resource('cpu')
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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) as exc:
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self.skipTest(f"Failed to download {TESTDATAURL}: {exc}")
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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)
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self.assertTrue(c5 == NFD(c4) == NFD(c5), line)
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self.assertTrue(c4 == NFKC(c1) == NFKC(c2) == \
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NFKC(c3) == NFKC(c4) == NFKC(c5),
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line)
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self.assertTrue(c5 == NFKD(c1) == NFKD(c2) == \
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NFKD(c3) == NFKD(c4) == NFKD(c5),
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line)
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self.assertTrue(unicodedata.is_normalized("NFC", c2))
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self.assertTrue(unicodedata.is_normalized("NFC", c4))
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self.assertTrue(unicodedata.is_normalized("NFD", c3))
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self.assertTrue(unicodedata.is_normalized("NFD", c5))
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self.assertTrue(unicodedata.is_normalized("NFKC", c4))
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self.assertTrue(unicodedata.is_normalized("NFKD", c5))
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# Record part 1 data
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if part == "@Part1":
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part1_data[c1] = 1
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# Perform tests for all other data
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for c in range(sys.maxunicode+1):
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X = chr(c)
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if X in part1_data:
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continue
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self.assertTrue(X == NFC(X) == NFD(X) == NFKC(X) == NFKD(X), c)
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def test_edge_cases(self):
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self.assertRaises(TypeError, unicodedata.normalize)
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self.assertRaises(ValueError, unicodedata.normalize, 'unknown', 'xx')
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self.assertEqual(unicodedata.normalize('NFKC', ''), '')
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def test_bug_834676(self):
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# Check for bug 834676
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unicodedata.normalize('NFC', '\ud55c\uae00')
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if __name__ == "__main__":
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unittest.main()
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