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2929 lines (2609 loc) · 130 KB
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""" Test script for the Unicode implementation.
Written by Marc-Andre Lemburg (mal@lemburg.com).
(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
"""
import _string
import codecs
import itertools
import operator
import struct
import sys
import unittest
import warnings
from test import support, string_tests
# Error handling (bad decoder return)
def search_function(encoding):
def decode1(input, errors="strict"):
return 42 # not a tuple
def encode1(input, errors="strict"):
return 42 # not a tuple
def encode2(input, errors="strict"):
return (42, 42) # no unicode
def decode2(input, errors="strict"):
return (42, 42) # no unicode
if encoding=="test.unicode1":
return (encode1, decode1, None, None)
elif encoding=="test.unicode2":
return (encode2, decode2, None, None)
else:
return None
codecs.register(search_function)
def duplicate_string(text):
"""
Try to get a fresh clone of the specified text:
new object with a reference count of 1.
This is a best-effort: latin1 single letters and the empty
string ('') are singletons and cannot be cloned.
"""
return text.encode().decode()
class StrSubclass(str):
pass
class UnicodeTest(string_tests.CommonTest,
string_tests.MixinStrUnicodeUserStringTest,
string_tests.MixinStrUnicodeTest,
unittest.TestCase):
type2test = str
def checkequalnofix(self, result, object, methodname, *args):
method = getattr(object, methodname)
realresult = method(*args)
self.assertEqual(realresult, result)
self.assertTrue(type(realresult) is type(result))
# if the original is returned make sure that
# this doesn't happen with subclasses
if realresult is object:
class usub(str):
def __repr__(self):
return 'usub(%r)' % str.__repr__(self)
object = usub(object)
method = getattr(object, methodname)
realresult = method(*args)
self.assertEqual(realresult, result)
self.assertTrue(object is not realresult)
def test_literals(self):
self.assertEqual('\xff', '\u00ff')
self.assertEqual('\uffff', '\U0000ffff')
self.assertRaises(SyntaxError, eval, '\'\\Ufffffffe\'')
self.assertRaises(SyntaxError, eval, '\'\\Uffffffff\'')
self.assertRaises(SyntaxError, eval, '\'\\U%08x\'' % 0x110000)
# raw strings should not have unicode escapes
self.assertNotEqual(r"\u0020", " ")
def test_ascii(self):
if not sys.platform.startswith('java'):
# Test basic sanity of repr()
self.assertEqual(ascii('abc'), "'abc'")
self.assertEqual(ascii('ab\\c'), "'ab\\\\c'")
self.assertEqual(ascii('ab\\'), "'ab\\\\'")
self.assertEqual(ascii('\\c'), "'\\\\c'")
self.assertEqual(ascii('\\'), "'\\\\'")
self.assertEqual(ascii('\n'), "'\\n'")
self.assertEqual(ascii('\r'), "'\\r'")
self.assertEqual(ascii('\t'), "'\\t'")
self.assertEqual(ascii('\b'), "'\\x08'")
self.assertEqual(ascii("'\""), """'\\'"'""")
self.assertEqual(ascii("'\""), """'\\'"'""")
self.assertEqual(ascii("'"), '''"'"''')
self.assertEqual(ascii('"'), """'"'""")
latin1repr = (
"'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b\\x0c\\r"
"\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\\x1a"
"\\x1b\\x1c\\x1d\\x1e\\x1f !\"#$%&\\'()*+,-./0123456789:;<=>?@ABCDEFGHI"
"JKLMNOPQRSTUVWXYZ[\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\\x7f"
"\\x80\\x81\\x82\\x83\\x84\\x85\\x86\\x87\\x88\\x89\\x8a\\x8b\\x8c\\x8d"
"\\x8e\\x8f\\x90\\x91\\x92\\x93\\x94\\x95\\x96\\x97\\x98\\x99\\x9a\\x9b"
"\\x9c\\x9d\\x9e\\x9f\\xa0\\xa1\\xa2\\xa3\\xa4\\xa5\\xa6\\xa7\\xa8\\xa9"
"\\xaa\\xab\\xac\\xad\\xae\\xaf\\xb0\\xb1\\xb2\\xb3\\xb4\\xb5\\xb6\\xb7"
"\\xb8\\xb9\\xba\\xbb\\xbc\\xbd\\xbe\\xbf\\xc0\\xc1\\xc2\\xc3\\xc4\\xc5"
"\\xc6\\xc7\\xc8\\xc9\\xca\\xcb\\xcc\\xcd\\xce\\xcf\\xd0\\xd1\\xd2\\xd3"
"\\xd4\\xd5\\xd6\\xd7\\xd8\\xd9\\xda\\xdb\\xdc\\xdd\\xde\\xdf\\xe0\\xe1"
"\\xe2\\xe3\\xe4\\xe5\\xe6\\xe7\\xe8\\xe9\\xea\\xeb\\xec\\xed\\xee\\xef"
"\\xf0\\xf1\\xf2\\xf3\\xf4\\xf5\\xf6\\xf7\\xf8\\xf9\\xfa\\xfb\\xfc\\xfd"
"\\xfe\\xff'")
testrepr = ascii(''.join(map(chr, range(256))))
self.assertEqual(testrepr, latin1repr)
# Test ascii works on wide unicode escapes without overflow.
self.assertEqual(ascii("\U00010000" * 39 + "\uffff" * 4096),
ascii("\U00010000" * 39 + "\uffff" * 4096))
class WrongRepr:
def __repr__(self):
return b'byte-repr'
self.assertRaises(TypeError, ascii, WrongRepr())
def test_repr(self):
if not sys.platform.startswith('java'):
# Test basic sanity of repr()
self.assertEqual(repr('abc'), "'abc'")
self.assertEqual(repr('ab\\c'), "'ab\\\\c'")
self.assertEqual(repr('ab\\'), "'ab\\\\'")
self.assertEqual(repr('\\c'), "'\\\\c'")
self.assertEqual(repr('\\'), "'\\\\'")
self.assertEqual(repr('\n'), "'\\n'")
self.assertEqual(repr('\r'), "'\\r'")
self.assertEqual(repr('\t'), "'\\t'")
self.assertEqual(repr('\b'), "'\\x08'")
self.assertEqual(repr("'\""), """'\\'"'""")
self.assertEqual(repr("'\""), """'\\'"'""")
self.assertEqual(repr("'"), '''"'"''')
self.assertEqual(repr('"'), """'"'""")
latin1repr = (
"'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b\\x0c\\r"
"\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\\x1a"
"\\x1b\\x1c\\x1d\\x1e\\x1f !\"#$%&\\'()*+,-./0123456789:;<=>?@ABCDEFGHI"
"JKLMNOPQRSTUVWXYZ[\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\\x7f"
"\\x80\\x81\\x82\\x83\\x84\\x85\\x86\\x87\\x88\\x89\\x8a\\x8b\\x8c\\x8d"
"\\x8e\\x8f\\x90\\x91\\x92\\x93\\x94\\x95\\x96\\x97\\x98\\x99\\x9a\\x9b"
"\\x9c\\x9d\\x9e\\x9f\\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9"
"\xaa\xab\xac\\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7"
"\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5"
"\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3"
"\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1"
"\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd"
"\xfe\xff'")
testrepr = repr(''.join(map(chr, range(256))))
self.assertEqual(testrepr, latin1repr)
# Test repr works on wide unicode escapes without overflow.
self.assertEqual(repr("\U00010000" * 39 + "\uffff" * 4096),
repr("\U00010000" * 39 + "\uffff" * 4096))
class WrongRepr:
def __repr__(self):
return b'byte-repr'
self.assertRaises(TypeError, repr, WrongRepr())
def test_iterators(self):
# Make sure unicode objects have an __iter__ method
it = "\u1111\u2222\u3333".__iter__()
self.assertEqual(next(it), "\u1111")
self.assertEqual(next(it), "\u2222")
self.assertEqual(next(it), "\u3333")
self.assertRaises(StopIteration, next, it)
def test_count(self):
string_tests.CommonTest.test_count(self)
# check mixed argument types
self.checkequalnofix(3, 'aaa', 'count', 'a')
self.checkequalnofix(0, 'aaa', 'count', 'b')
self.checkequalnofix(3, 'aaa', 'count', 'a')
self.checkequalnofix(0, 'aaa', 'count', 'b')
self.checkequalnofix(0, 'aaa', 'count', 'b')
self.checkequalnofix(1, 'aaa', 'count', 'a', -1)
self.checkequalnofix(3, 'aaa', 'count', 'a', -10)
self.checkequalnofix(2, 'aaa', 'count', 'a', 0, -1)
self.checkequalnofix(0, 'aaa', 'count', 'a', 0, -10)
# test mixed kinds
self.checkequal(10, '\u0102' + 'a' * 10, 'count', 'a')
self.checkequal(10, '\U00100304' + 'a' * 10, 'count', 'a')
self.checkequal(10, '\U00100304' + '\u0102' * 10, 'count', '\u0102')
self.checkequal(0, 'a' * 10, 'count', '\u0102')
self.checkequal(0, 'a' * 10, 'count', '\U00100304')
self.checkequal(0, '\u0102' * 10, 'count', '\U00100304')
self.checkequal(10, '\u0102' + 'a_' * 10, 'count', 'a_')
self.checkequal(10, '\U00100304' + 'a_' * 10, 'count', 'a_')
self.checkequal(10, '\U00100304' + '\u0102_' * 10, 'count', '\u0102_')
self.checkequal(0, 'a' * 10, 'count', 'a\u0102')
self.checkequal(0, 'a' * 10, 'count', 'a\U00100304')
self.checkequal(0, '\u0102' * 10, 'count', '\u0102\U00100304')
def test_find(self):
string_tests.CommonTest.test_find(self)
# test implementation details of the memchr fast path
self.checkequal(100, 'a' * 100 + '\u0102', 'find', '\u0102')
self.checkequal(-1, 'a' * 100 + '\u0102', 'find', '\u0201')
self.checkequal(-1, 'a' * 100 + '\u0102', 'find', '\u0120')
self.checkequal(-1, 'a' * 100 + '\u0102', 'find', '\u0220')
self.checkequal(100, 'a' * 100 + '\U00100304', 'find', '\U00100304')
self.checkequal(-1, 'a' * 100 + '\U00100304', 'find', '\U00100204')
self.checkequal(-1, 'a' * 100 + '\U00100304', 'find', '\U00102004')
# check mixed argument types
self.checkequalnofix(0, 'abcdefghiabc', 'find', 'abc')
self.checkequalnofix(9, 'abcdefghiabc', 'find', 'abc', 1)
self.checkequalnofix(-1, 'abcdefghiabc', 'find', 'def', 4)
self.assertRaises(TypeError, 'hello'.find)
self.assertRaises(TypeError, 'hello'.find, 42)
# test mixed kinds
self.checkequal(100, '\u0102' * 100 + 'a', 'find', 'a')
self.checkequal(100, '\U00100304' * 100 + 'a', 'find', 'a')
self.checkequal(100, '\U00100304' * 100 + '\u0102', 'find', '\u0102')
self.checkequal(-1, 'a' * 100, 'find', '\u0102')
self.checkequal(-1, 'a' * 100, 'find', '\U00100304')
self.checkequal(-1, '\u0102' * 100, 'find', '\U00100304')
self.checkequal(100, '\u0102' * 100 + 'a_', 'find', 'a_')
self.checkequal(100, '\U00100304' * 100 + 'a_', 'find', 'a_')
self.checkequal(100, '\U00100304' * 100 + '\u0102_', 'find', '\u0102_')
self.checkequal(-1, 'a' * 100, 'find', 'a\u0102')
self.checkequal(-1, 'a' * 100, 'find', 'a\U00100304')
self.checkequal(-1, '\u0102' * 100, 'find', '\u0102\U00100304')
def test_rfind(self):
string_tests.CommonTest.test_rfind(self)
# test implementation details of the memrchr fast path
self.checkequal(0, '\u0102' + 'a' * 100 , 'rfind', '\u0102')
self.checkequal(-1, '\u0102' + 'a' * 100 , 'rfind', '\u0201')
self.checkequal(-1, '\u0102' + 'a' * 100 , 'rfind', '\u0120')
self.checkequal(-1, '\u0102' + 'a' * 100 , 'rfind', '\u0220')
self.checkequal(0, '\U00100304' + 'a' * 100, 'rfind', '\U00100304')
self.checkequal(-1, '\U00100304' + 'a' * 100, 'rfind', '\U00100204')
self.checkequal(-1, '\U00100304' + 'a' * 100, 'rfind', '\U00102004')
# check mixed argument types
self.checkequalnofix(9, 'abcdefghiabc', 'rfind', 'abc')
self.checkequalnofix(12, 'abcdefghiabc', 'rfind', '')
self.checkequalnofix(12, 'abcdefghiabc', 'rfind', '')
# test mixed kinds
self.checkequal(0, 'a' + '\u0102' * 100, 'rfind', 'a')
self.checkequal(0, 'a' + '\U00100304' * 100, 'rfind', 'a')
self.checkequal(0, '\u0102' + '\U00100304' * 100, 'rfind', '\u0102')
self.checkequal(-1, 'a' * 100, 'rfind', '\u0102')
self.checkequal(-1, 'a' * 100, 'rfind', '\U00100304')
self.checkequal(-1, '\u0102' * 100, 'rfind', '\U00100304')
self.checkequal(0, '_a' + '\u0102' * 100, 'rfind', '_a')
self.checkequal(0, '_a' + '\U00100304' * 100, 'rfind', '_a')
self.checkequal(0, '_\u0102' + '\U00100304' * 100, 'rfind', '_\u0102')
self.checkequal(-1, 'a' * 100, 'rfind', '\u0102a')
self.checkequal(-1, 'a' * 100, 'rfind', '\U00100304a')
self.checkequal(-1, '\u0102' * 100, 'rfind', '\U00100304\u0102')
def test_index(self):
string_tests.CommonTest.test_index(self)
self.checkequalnofix(0, 'abcdefghiabc', 'index', '')
self.checkequalnofix(3, 'abcdefghiabc', 'index', 'def')
self.checkequalnofix(0, 'abcdefghiabc', 'index', 'abc')
self.checkequalnofix(9, 'abcdefghiabc', 'index', 'abc', 1)
self.assertRaises(ValueError, 'abcdefghiabc'.index, 'hib')
self.assertRaises(ValueError, 'abcdefghiab'.index, 'abc', 1)
self.assertRaises(ValueError, 'abcdefghi'.index, 'ghi', 8)
self.assertRaises(ValueError, 'abcdefghi'.index, 'ghi', -1)
# test mixed kinds
self.checkequal(100, '\u0102' * 100 + 'a', 'index', 'a')
self.checkequal(100, '\U00100304' * 100 + 'a', 'index', 'a')
self.checkequal(100, '\U00100304' * 100 + '\u0102', 'index', '\u0102')
self.assertRaises(ValueError, ('a' * 100).index, '\u0102')
self.assertRaises(ValueError, ('a' * 100).index, '\U00100304')
self.assertRaises(ValueError, ('\u0102' * 100).index, '\U00100304')
self.checkequal(100, '\u0102' * 100 + 'a_', 'index', 'a_')
self.checkequal(100, '\U00100304' * 100 + 'a_', 'index', 'a_')
self.checkequal(100, '\U00100304' * 100 + '\u0102_', 'index', '\u0102_')
self.assertRaises(ValueError, ('a' * 100).index, 'a\u0102')
self.assertRaises(ValueError, ('a' * 100).index, 'a\U00100304')
self.assertRaises(ValueError, ('\u0102' * 100).index, '\u0102\U00100304')
def test_rindex(self):
string_tests.CommonTest.test_rindex(self)
self.checkequalnofix(12, 'abcdefghiabc', 'rindex', '')
self.checkequalnofix(3, 'abcdefghiabc', 'rindex', 'def')
self.checkequalnofix(9, 'abcdefghiabc', 'rindex', 'abc')
self.checkequalnofix(0, 'abcdefghiabc', 'rindex', 'abc', 0, -1)
self.assertRaises(ValueError, 'abcdefghiabc'.rindex, 'hib')
self.assertRaises(ValueError, 'defghiabc'.rindex, 'def', 1)
self.assertRaises(ValueError, 'defghiabc'.rindex, 'abc', 0, -1)
self.assertRaises(ValueError, 'abcdefghi'.rindex, 'ghi', 0, 8)
self.assertRaises(ValueError, 'abcdefghi'.rindex, 'ghi', 0, -1)
# test mixed kinds
self.checkequal(0, 'a' + '\u0102' * 100, 'rindex', 'a')
self.checkequal(0, 'a' + '\U00100304' * 100, 'rindex', 'a')
self.checkequal(0, '\u0102' + '\U00100304' * 100, 'rindex', '\u0102')
self.assertRaises(ValueError, ('a' * 100).rindex, '\u0102')
self.assertRaises(ValueError, ('a' * 100).rindex, '\U00100304')
self.assertRaises(ValueError, ('\u0102' * 100).rindex, '\U00100304')
self.checkequal(0, '_a' + '\u0102' * 100, 'rindex', '_a')
self.checkequal(0, '_a' + '\U00100304' * 100, 'rindex', '_a')
self.checkequal(0, '_\u0102' + '\U00100304' * 100, 'rindex', '_\u0102')
self.assertRaises(ValueError, ('a' * 100).rindex, '\u0102a')
self.assertRaises(ValueError, ('a' * 100).rindex, '\U00100304a')
self.assertRaises(ValueError, ('\u0102' * 100).rindex, '\U00100304\u0102')
def test_maketrans_translate(self):
# these work with plain translate()
self.checkequalnofix('bbbc', 'abababc', 'translate',
{ord('a'): None})
self.checkequalnofix('iiic', 'abababc', 'translate',
{ord('a'): None, ord('b'): ord('i')})
self.checkequalnofix('iiix', 'abababc', 'translate',
{ord('a'): None, ord('b'): ord('i'), ord('c'): 'x'})
self.checkequalnofix('c', 'abababc', 'translate',
{ord('a'): None, ord('b'): ''})
self.checkequalnofix('xyyx', 'xzx', 'translate',
{ord('z'): 'yy'})
# this needs maketrans()
self.checkequalnofix('abababc', 'abababc', 'translate',
{'b': '<i>'})
tbl = self.type2test.maketrans({'a': None, 'b': '<i>'})
self.checkequalnofix('<i><i><i>c', 'abababc', 'translate', tbl)
# test alternative way of calling maketrans()
tbl = self.type2test.maketrans('abc', 'xyz', 'd')
self.checkequalnofix('xyzzy', 'abdcdcbdddd', 'translate', tbl)
# various tests switching from ASCII to latin1 or the opposite;
# same length, remove a letter, or replace with a longer string.
self.assertEqual("[a]".translate(str.maketrans('a', 'X')),
"[X]")
self.assertEqual("[a]".translate(str.maketrans({'a': 'X'})),
"[X]")
self.assertEqual("[a]".translate(str.maketrans({'a': None})),
"[]")
self.assertEqual("[a]".translate(str.maketrans({'a': 'XXX'})),
"[XXX]")
self.assertEqual("[a]".translate(str.maketrans({'a': '\xe9'})),
"[\xe9]")
self.assertEqual('axb'.translate(str.maketrans({'a': None, 'b': '123'})),
"x123")
self.assertEqual('axb'.translate(str.maketrans({'a': None, 'b': '\xe9'})),
"x\xe9")
# test non-ASCII (don't take the fast-path)
self.assertEqual("[a]".translate(str.maketrans({'a': '<\xe9>'})),
"[<\xe9>]")
self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': 'a'})),
"[a]")
self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': None})),
"[]")
self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': '123'})),
"[123]")
self.assertEqual("[a\xe9]".translate(str.maketrans({'a': '<\u20ac>'})),
"[<\u20ac>\xe9]")
# invalid Unicode characters
invalid_char = 0x10ffff+1
for before in "a\xe9\u20ac\U0010ffff":
mapping = str.maketrans({before: invalid_char})
text = "[%s]" % before
self.assertRaises(ValueError, text.translate, mapping)
# errors
self.assertRaises(TypeError, self.type2test.maketrans)
self.assertRaises(ValueError, self.type2test.maketrans, 'abc', 'defg')
self.assertRaises(TypeError, self.type2test.maketrans, 2, 'def')
self.assertRaises(TypeError, self.type2test.maketrans, 'abc', 2)
self.assertRaises(TypeError, self.type2test.maketrans, 'abc', 'def', 2)
self.assertRaises(ValueError, self.type2test.maketrans, {'xy': 2})
self.assertRaises(TypeError, self.type2test.maketrans, {(1,): 2})
self.assertRaises(TypeError, 'hello'.translate)
self.assertRaises(TypeError, 'abababc'.translate, 'abc', 'xyz')
def test_split(self):
string_tests.CommonTest.test_split(self)
# test mixed kinds
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
left *= 9
right *= 9
for delim in ('c', '\u0102', '\U00010302'):
self.checkequal([left + right],
left + right, 'split', delim)
self.checkequal([left, right],
left + delim + right, 'split', delim)
self.checkequal([left + right],
left + right, 'split', delim * 2)
self.checkequal([left, right],
left + delim * 2 + right, 'split', delim *2)
def test_rsplit(self):
string_tests.CommonTest.test_rsplit(self)
# test mixed kinds
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
left *= 9
right *= 9
for delim in ('c', '\u0102', '\U00010302'):
self.checkequal([left + right],
left + right, 'rsplit', delim)
self.checkequal([left, right],
left + delim + right, 'rsplit', delim)
self.checkequal([left + right],
left + right, 'rsplit', delim * 2)
self.checkequal([left, right],
left + delim * 2 + right, 'rsplit', delim *2)
def test_partition(self):
string_tests.MixinStrUnicodeUserStringTest.test_partition(self)
# test mixed kinds
self.checkequal(('ABCDEFGH', '', ''), 'ABCDEFGH', 'partition', '\u4200')
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
left *= 9
right *= 9
for delim in ('c', '\u0102', '\U00010302'):
self.checkequal((left + right, '', ''),
left + right, 'partition', delim)
self.checkequal((left, delim, right),
left + delim + right, 'partition', delim)
self.checkequal((left + right, '', ''),
left + right, 'partition', delim * 2)
self.checkequal((left, delim * 2, right),
left + delim * 2 + right, 'partition', delim * 2)
def test_rpartition(self):
string_tests.MixinStrUnicodeUserStringTest.test_rpartition(self)
# test mixed kinds
self.checkequal(('', '', 'ABCDEFGH'), 'ABCDEFGH', 'rpartition', '\u4200')
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
left *= 9
right *= 9
for delim in ('c', '\u0102', '\U00010302'):
self.checkequal(('', '', left + right),
left + right, 'rpartition', delim)
self.checkequal((left, delim, right),
left + delim + right, 'rpartition', delim)
self.checkequal(('', '', left + right),
left + right, 'rpartition', delim * 2)
self.checkequal((left, delim * 2, right),
left + delim * 2 + right, 'rpartition', delim * 2)
def test_join(self):
string_tests.MixinStrUnicodeUserStringTest.test_join(self)
class MyWrapper:
def __init__(self, sval): self.sval = sval
def __str__(self): return self.sval
# mixed arguments
self.checkequalnofix('a b c d', ' ', 'join', ['a', 'b', 'c', 'd'])
self.checkequalnofix('abcd', '', 'join', ('a', 'b', 'c', 'd'))
self.checkequalnofix('w x y z', ' ', 'join', string_tests.Sequence('wxyz'))
self.checkequalnofix('a b c d', ' ', 'join', ['a', 'b', 'c', 'd'])
self.checkequalnofix('a b c d', ' ', 'join', ['a', 'b', 'c', 'd'])
self.checkequalnofix('abcd', '', 'join', ('a', 'b', 'c', 'd'))
self.checkequalnofix('w x y z', ' ', 'join', string_tests.Sequence('wxyz'))
self.checkraises(TypeError, ' ', 'join', ['1', '2', MyWrapper('foo')])
self.checkraises(TypeError, ' ', 'join', ['1', '2', '3', bytes()])
self.checkraises(TypeError, ' ', 'join', [1, 2, 3])
self.checkraises(TypeError, ' ', 'join', ['1', '2', 3])
@unittest.skipIf(sys.maxsize > 2**32,
'needs too much memory on a 64-bit platform')
def test_join_overflow(self):
size = int(sys.maxsize**0.5) + 1
seq = ('A' * size,) * size
self.assertRaises(OverflowError, ''.join, seq)
def test_replace(self):
string_tests.CommonTest.test_replace(self)
# method call forwarded from str implementation because of unicode argument
self.checkequalnofix('one@two!three!', 'one!two!three!', 'replace', '!', '@', 1)
self.assertRaises(TypeError, 'replace'.replace, "r", 42)
# test mixed kinds
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
left *= 9
right *= 9
for delim in ('c', '\u0102', '\U00010302'):
for repl in ('d', '\u0103', '\U00010303'):
self.checkequal(left + right,
left + right, 'replace', delim, repl)
self.checkequal(left + repl + right,
left + delim + right,
'replace', delim, repl)
self.checkequal(left + right,
left + right, 'replace', delim * 2, repl)
self.checkequal(left + repl + right,
left + delim * 2 + right,
'replace', delim * 2, repl)
@support.cpython_only
def test_replace_id(self):
pattern = 'abc'
text = 'abc def'
self.assertIs(text.replace(pattern, pattern), text)
def test_bytes_comparison(self):
with support.check_warnings():
warnings.simplefilter('ignore', BytesWarning)
self.assertEqual('abc' == b'abc', False)
self.assertEqual('abc' != b'abc', True)
self.assertEqual('abc' == bytearray(b'abc'), False)
self.assertEqual('abc' != bytearray(b'abc'), True)
def test_comparison(self):
# Comparisons:
self.assertEqual('abc', 'abc')
self.assertTrue('abcd' > 'abc')
self.assertTrue('abc' < 'abcd')
if 0:
# Move these tests to a Unicode collation module test...
# Testing UTF-16 code point order comparisons...
# No surrogates, no fixup required.
self.assertTrue('\u0061' < '\u20ac')
# Non surrogate below surrogate value, no fixup required
self.assertTrue('\u0061' < '\ud800\udc02')
# Non surrogate above surrogate value, fixup required
def test_lecmp(s, s2):
self.assertTrue(s < s2)
def test_fixup(s):
s2 = '\ud800\udc01'
test_lecmp(s, s2)
s2 = '\ud900\udc01'
test_lecmp(s, s2)
s2 = '\uda00\udc01'
test_lecmp(s, s2)
s2 = '\udb00\udc01'
test_lecmp(s, s2)
s2 = '\ud800\udd01'
test_lecmp(s, s2)
s2 = '\ud900\udd01'
test_lecmp(s, s2)
s2 = '\uda00\udd01'
test_lecmp(s, s2)
s2 = '\udb00\udd01'
test_lecmp(s, s2)
s2 = '\ud800\ude01'
test_lecmp(s, s2)
s2 = '\ud900\ude01'
test_lecmp(s, s2)
s2 = '\uda00\ude01'
test_lecmp(s, s2)
s2 = '\udb00\ude01'
test_lecmp(s, s2)
s2 = '\ud800\udfff'
test_lecmp(s, s2)
s2 = '\ud900\udfff'
test_lecmp(s, s2)
s2 = '\uda00\udfff'
test_lecmp(s, s2)
s2 = '\udb00\udfff'
test_lecmp(s, s2)
test_fixup('\ue000')
test_fixup('\uff61')
# Surrogates on both sides, no fixup required
self.assertTrue('\ud800\udc02' < '\ud84d\udc56')
def test_islower(self):
super().test_islower()
self.checkequalnofix(False, '\u1FFc', 'islower')
self.assertFalse('\u2167'.islower())
self.assertTrue('\u2177'.islower())
# non-BMP, uppercase
self.assertFalse('\U00010401'.islower())
self.assertFalse('\U00010427'.islower())
# non-BMP, lowercase
self.assertTrue('\U00010429'.islower())
self.assertTrue('\U0001044E'.islower())
# non-BMP, non-cased
self.assertFalse('\U0001F40D'.islower())
self.assertFalse('\U0001F46F'.islower())
def test_isupper(self):
super().test_isupper()
if not sys.platform.startswith('java'):
self.checkequalnofix(False, '\u1FFc', 'isupper')
self.assertTrue('\u2167'.isupper())
self.assertFalse('\u2177'.isupper())
# non-BMP, uppercase
self.assertTrue('\U00010401'.isupper())
self.assertTrue('\U00010427'.isupper())
# non-BMP, lowercase
self.assertFalse('\U00010429'.isupper())
self.assertFalse('\U0001044E'.isupper())
# non-BMP, non-cased
self.assertFalse('\U0001F40D'.isupper())
self.assertFalse('\U0001F46F'.isupper())
def test_istitle(self):
super().test_istitle()
self.checkequalnofix(True, '\u1FFc', 'istitle')
self.checkequalnofix(True, 'Greek \u1FFcitlecases ...', 'istitle')
# non-BMP, uppercase + lowercase
self.assertTrue('\U00010401\U00010429'.istitle())
self.assertTrue('\U00010427\U0001044E'.istitle())
# apparently there are no titlecased (Lt) non-BMP chars in Unicode 6
for ch in ['\U00010429', '\U0001044E', '\U0001F40D', '\U0001F46F']:
self.assertFalse(ch.istitle(), '{!a} is not title'.format(ch))
def test_isspace(self):
super().test_isspace()
self.checkequalnofix(True, '\u2000', 'isspace')
self.checkequalnofix(True, '\u200a', 'isspace')
self.checkequalnofix(False, '\u2014', 'isspace')
# apparently there are no non-BMP spaces chars in Unicode 6
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
'\U0001F40D', '\U0001F46F']:
self.assertFalse(ch.isspace(), '{!a} is not space.'.format(ch))
def test_isalnum(self):
super().test_isalnum()
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
'\U0001D7F6', '\U00011066', '\U000104A0', '\U0001F107']:
self.assertTrue(ch.isalnum(), '{!a} is alnum.'.format(ch))
def test_isalpha(self):
super().test_isalpha()
self.checkequalnofix(True, '\u1FFc', 'isalpha')
# non-BMP, cased
self.assertTrue('\U00010401'.isalpha())
self.assertTrue('\U00010427'.isalpha())
self.assertTrue('\U00010429'.isalpha())
self.assertTrue('\U0001044E'.isalpha())
# non-BMP, non-cased
self.assertFalse('\U0001F40D'.isalpha())
self.assertFalse('\U0001F46F'.isalpha())
def test_isascii(self):
super().test_isascii()
self.assertFalse("\u20ac".isascii())
self.assertFalse("\U0010ffff".isascii())
def test_isdecimal(self):
self.checkequalnofix(False, '', 'isdecimal')
self.checkequalnofix(False, 'a', 'isdecimal')
self.checkequalnofix(True, '0', 'isdecimal')
self.checkequalnofix(False, '\u2460', 'isdecimal') # CIRCLED DIGIT ONE
self.checkequalnofix(False, '\xbc', 'isdecimal') # VULGAR FRACTION ONE QUARTER
self.checkequalnofix(True, '\u0660', 'isdecimal') # ARABIC-INDIC DIGIT ZERO
self.checkequalnofix(True, '0123456789', 'isdecimal')
self.checkequalnofix(False, '0123456789a', 'isdecimal')
self.checkraises(TypeError, 'abc', 'isdecimal', 42)
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
'\U0001F40D', '\U0001F46F', '\U00011065', '\U0001F107']:
self.assertFalse(ch.isdecimal(), '{!a} is not decimal.'.format(ch))
for ch in ['\U0001D7F6', '\U00011066', '\U000104A0']:
self.assertTrue(ch.isdecimal(), '{!a} is decimal.'.format(ch))
def test_isdigit(self):
super().test_isdigit()
self.checkequalnofix(True, '\u2460', 'isdigit')
self.checkequalnofix(False, '\xbc', 'isdigit')
self.checkequalnofix(True, '\u0660', 'isdigit')
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
'\U0001F40D', '\U0001F46F', '\U00011065']:
self.assertFalse(ch.isdigit(), '{!a} is not a digit.'.format(ch))
for ch in ['\U0001D7F6', '\U00011066', '\U000104A0', '\U0001F107']:
self.assertTrue(ch.isdigit(), '{!a} is a digit.'.format(ch))
def test_isnumeric(self):
self.checkequalnofix(False, '', 'isnumeric')
self.checkequalnofix(False, 'a', 'isnumeric')
self.checkequalnofix(True, '0', 'isnumeric')
self.checkequalnofix(True, '\u2460', 'isnumeric')
self.checkequalnofix(True, '\xbc', 'isnumeric')
self.checkequalnofix(True, '\u0660', 'isnumeric')
self.checkequalnofix(True, '0123456789', 'isnumeric')
self.checkequalnofix(False, '0123456789a', 'isnumeric')
self.assertRaises(TypeError, "abc".isnumeric, 42)
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
'\U0001F40D', '\U0001F46F']:
self.assertFalse(ch.isnumeric(), '{!a} is not numeric.'.format(ch))
for ch in ['\U00011065', '\U0001D7F6', '\U00011066',
'\U000104A0', '\U0001F107']:
self.assertTrue(ch.isnumeric(), '{!a} is numeric.'.format(ch))
def test_isidentifier(self):
self.assertTrue("a".isidentifier())
self.assertTrue("Z".isidentifier())
self.assertTrue("_".isidentifier())
self.assertTrue("b0".isidentifier())
self.assertTrue("bc".isidentifier())
self.assertTrue("b_".isidentifier())
self.assertTrue("µ".isidentifier())
self.assertTrue("𝔘𝔫𝔦𝔠𝔬𝔡𝔢".isidentifier())
self.assertFalse(" ".isidentifier())
self.assertFalse("[".isidentifier())
self.assertFalse("©".isidentifier())
self.assertFalse("0".isidentifier())
def test_isprintable(self):
self.assertTrue("".isprintable())
self.assertTrue(" ".isprintable())
self.assertTrue("abcdefg".isprintable())
self.assertFalse("abcdefg\n".isprintable())
# some defined Unicode character
self.assertTrue("\u0374".isprintable())
# undefined character
self.assertFalse("\u0378".isprintable())
# single surrogate character
self.assertFalse("\ud800".isprintable())
self.assertTrue('\U0001F46F'.isprintable())
self.assertFalse('\U000E0020'.isprintable())
def test_surrogates(self):
for s in ('a\uD800b\uDFFF', 'a\uDFFFb\uD800',
'a\uD800b\uDFFFa', 'a\uDFFFb\uD800a'):
self.assertTrue(s.islower())
self.assertFalse(s.isupper())
self.assertFalse(s.istitle())
for s in ('A\uD800B\uDFFF', 'A\uDFFFB\uD800',
'A\uD800B\uDFFFA', 'A\uDFFFB\uD800A'):
self.assertFalse(s.islower())
self.assertTrue(s.isupper())
self.assertTrue(s.istitle())
for meth_name in ('islower', 'isupper', 'istitle'):
meth = getattr(str, meth_name)
for s in ('\uD800', '\uDFFF', '\uD800\uD800', '\uDFFF\uDFFF'):
self.assertFalse(meth(s), '%a.%s() is False' % (s, meth_name))
for meth_name in ('isalpha', 'isalnum', 'isdigit', 'isspace',
'isdecimal', 'isnumeric',
'isidentifier', 'isprintable'):
meth = getattr(str, meth_name)
for s in ('\uD800', '\uDFFF', '\uD800\uD800', '\uDFFF\uDFFF',
'a\uD800b\uDFFF', 'a\uDFFFb\uD800',
'a\uD800b\uDFFFa', 'a\uDFFFb\uD800a'):
self.assertFalse(meth(s), '%a.%s() is False' % (s, meth_name))
def test_lower(self):
string_tests.CommonTest.test_lower(self)
self.assertEqual('\U00010427'.lower(), '\U0001044F')
self.assertEqual('\U00010427\U00010427'.lower(),
'\U0001044F\U0001044F')
self.assertEqual('\U00010427\U0001044F'.lower(),
'\U0001044F\U0001044F')
self.assertEqual('X\U00010427x\U0001044F'.lower(),
'x\U0001044Fx\U0001044F')
self.assertEqual('fi'.lower(), 'fi')
self.assertEqual('\u0130'.lower(), '\u0069\u0307')
# Special case for GREEK CAPITAL LETTER SIGMA U+03A3
self.assertEqual('\u03a3'.lower(), '\u03c3')
self.assertEqual('\u0345\u03a3'.lower(), '\u0345\u03c3')
self.assertEqual('A\u0345\u03a3'.lower(), 'a\u0345\u03c2')
self.assertEqual('A\u0345\u03a3a'.lower(), 'a\u0345\u03c3a')
self.assertEqual('A\u0345\u03a3'.lower(), 'a\u0345\u03c2')
self.assertEqual('A\u03a3\u0345'.lower(), 'a\u03c2\u0345')
self.assertEqual('\u03a3\u0345 '.lower(), '\u03c3\u0345 ')
self.assertEqual('\U0008fffe'.lower(), '\U0008fffe')
self.assertEqual('\u2177'.lower(), '\u2177')
def test_casefold(self):
self.assertEqual('hello'.casefold(), 'hello')
self.assertEqual('hELlo'.casefold(), 'hello')
self.assertEqual('ß'.casefold(), 'ss')
self.assertEqual('fi'.casefold(), 'fi')
self.assertEqual('\u03a3'.casefold(), '\u03c3')
self.assertEqual('A\u0345\u03a3'.casefold(), 'a\u03b9\u03c3')
self.assertEqual('\u00b5'.casefold(), '\u03bc')
def test_upper(self):
string_tests.CommonTest.test_upper(self)
self.assertEqual('\U0001044F'.upper(), '\U00010427')
self.assertEqual('\U0001044F\U0001044F'.upper(),
'\U00010427\U00010427')
self.assertEqual('\U00010427\U0001044F'.upper(),
'\U00010427\U00010427')
self.assertEqual('X\U00010427x\U0001044F'.upper(),
'X\U00010427X\U00010427')
self.assertEqual('fi'.upper(), 'FI')
self.assertEqual('\u0130'.upper(), '\u0130')
self.assertEqual('\u03a3'.upper(), '\u03a3')
self.assertEqual('ß'.upper(), 'SS')
self.assertEqual('\u1fd2'.upper(), '\u0399\u0308\u0300')
self.assertEqual('\U0008fffe'.upper(), '\U0008fffe')
self.assertEqual('\u2177'.upper(), '\u2167')
def test_capitalize(self):
string_tests.CommonTest.test_capitalize(self)
self.assertEqual('\U0001044F'.capitalize(), '\U00010427')
self.assertEqual('\U0001044F\U0001044F'.capitalize(),
'\U00010427\U0001044F')
self.assertEqual('\U00010427\U0001044F'.capitalize(),
'\U00010427\U0001044F')
self.assertEqual('\U0001044F\U00010427'.capitalize(),
'\U00010427\U0001044F')
self.assertEqual('X\U00010427x\U0001044F'.capitalize(),
'X\U0001044Fx\U0001044F')
self.assertEqual('h\u0130'.capitalize(), 'H\u0069\u0307')
exp = '\u0399\u0308\u0300\u0069\u0307'
self.assertEqual('\u1fd2\u0130'.capitalize(), exp)
self.assertEqual('finnish'.capitalize(), 'FInnish')
self.assertEqual('A\u0345\u03a3'.capitalize(), 'A\u0345\u03c2')
def test_title(self):
super().test_title()
self.assertEqual('\U0001044F'.title(), '\U00010427')
self.assertEqual('\U0001044F\U0001044F'.title(),
'\U00010427\U0001044F')
self.assertEqual('\U0001044F\U0001044F \U0001044F\U0001044F'.title(),
'\U00010427\U0001044F \U00010427\U0001044F')
self.assertEqual('\U00010427\U0001044F \U00010427\U0001044F'.title(),
'\U00010427\U0001044F \U00010427\U0001044F')
self.assertEqual('\U0001044F\U00010427 \U0001044F\U00010427'.title(),
'\U00010427\U0001044F \U00010427\U0001044F')
self.assertEqual('X\U00010427x\U0001044F X\U00010427x\U0001044F'.title(),
'X\U0001044Fx\U0001044F X\U0001044Fx\U0001044F')
self.assertEqual('fiNNISH'.title(), 'Finnish')
self.assertEqual('A\u03a3 \u1fa1xy'.title(), 'A\u03c2 \u1fa9xy')
self.assertEqual('A\u03a3A'.title(), 'A\u03c3a')
def test_swapcase(self):
string_tests.CommonTest.test_swapcase(self)
self.assertEqual('\U0001044F'.swapcase(), '\U00010427')
self.assertEqual('\U00010427'.swapcase(), '\U0001044F')
self.assertEqual('\U0001044F\U0001044F'.swapcase(),
'\U00010427\U00010427')
self.assertEqual('\U00010427\U0001044F'.swapcase(),
'\U0001044F\U00010427')
self.assertEqual('\U0001044F\U00010427'.swapcase(),
'\U00010427\U0001044F')
self.assertEqual('X\U00010427x\U0001044F'.swapcase(),
'x\U0001044FX\U00010427')
self.assertEqual('fi'.swapcase(), 'FI')
self.assertEqual('\u0130'.swapcase(), '\u0069\u0307')
# Special case for GREEK CAPITAL LETTER SIGMA U+03A3
self.assertEqual('\u03a3'.swapcase(), '\u03c3')
self.assertEqual('\u0345\u03a3'.swapcase(), '\u0399\u03c3')
self.assertEqual('A\u0345\u03a3'.swapcase(), 'a\u0399\u03c2')
self.assertEqual('A\u0345\u03a3a'.swapcase(), 'a\u0399\u03c3A')
self.assertEqual('A\u0345\u03a3'.swapcase(), 'a\u0399\u03c2')
self.assertEqual('A\u03a3\u0345'.swapcase(), 'a\u03c2\u0399')
self.assertEqual('\u03a3\u0345 '.swapcase(), '\u03c3\u0399 ')
self.assertEqual('\u03a3'.swapcase(), '\u03c3')
self.assertEqual('ß'.swapcase(), 'SS')
self.assertEqual('\u1fd2'.swapcase(), '\u0399\u0308\u0300')
def test_center(self):
string_tests.CommonTest.test_center(self)
self.assertEqual('x'.center(2, '\U0010FFFF'),
'x\U0010FFFF')
self.assertEqual('x'.center(3, '\U0010FFFF'),
'\U0010FFFFx\U0010FFFF')
self.assertEqual('x'.center(4, '\U0010FFFF'),
'\U0010FFFFx\U0010FFFF\U0010FFFF')
@unittest.skipUnless(sys.maxsize == 2**31 - 1, "requires 32-bit system")
@support.cpython_only
def test_case_operation_overflow(self):
# Issue #22643
size = 2**32//12 + 1
try:
s = "ü" * size
except MemoryError:
self.skipTest('no enough memory (%.0f MiB required)' % (size / 2**20))
try:
self.assertRaises(OverflowError, s.upper)
finally:
del s
def test_contains(self):
# Testing Unicode contains method
self.assertIn('a', 'abdb')
self.assertIn('a', 'bdab')
self.assertIn('a', 'bdaba')
self.assertIn('a', 'bdba')
self.assertNotIn('a', 'bdb')
self.assertIn('a', 'bdba')
self.assertIn('a', ('a',1,None))
self.assertIn('a', (1,None,'a'))
self.assertIn('a', ('a',1,None))
self.assertIn('a', (1,None,'a'))
self.assertNotIn('a', ('x',1,'y'))
self.assertNotIn('a', ('x',1,None))
self.assertNotIn('abcd', 'abcxxxx')
self.assertIn('ab', 'abcd')
self.assertIn('ab', 'abc')
self.assertIn('ab', (1,None,'ab'))
self.assertIn('', 'abc')
self.assertIn('', '')
self.assertIn('', 'abc')
self.assertNotIn('\0', 'abc')
self.assertIn('\0', '\0abc')
self.assertIn('\0', 'abc\0')
self.assertIn('a', '\0abc')
self.assertIn('asdf', 'asdf')
self.assertNotIn('asdf', 'asd')
self.assertNotIn('asdf', '')
self.assertRaises(TypeError, "abc".__contains__)
# test mixed kinds
for fill in ('a', '\u0100', '\U00010300'):
fill *= 9
for delim in ('c', '\u0102', '\U00010302'):
self.assertNotIn(delim, fill)
self.assertIn(delim, fill + delim)
self.assertNotIn(delim * 2, fill)
self.assertIn(delim * 2, fill + delim * 2)
def test_issue18183(self):
'\U00010000\U00100000'.lower()
'\U00010000\U00100000'.casefold()
'\U00010000\U00100000'.upper()
'\U00010000\U00100000'.capitalize()
'\U00010000\U00100000'.title()
'\U00010000\U00100000'.swapcase()
'\U00100000'.center(3, '\U00010000')
'\U00100000'.ljust(3, '\U00010000')
'\U00100000'.rjust(3, '\U00010000')
def test_format(self):
self.assertEqual(''.format(), '')
self.assertEqual('a'.format(), 'a')
self.assertEqual('ab'.format(), 'ab')
self.assertEqual('a{{'.format(), 'a{')
self.assertEqual('a}}'.format(), 'a}')
self.assertEqual('{{b'.format(), '{b')
self.assertEqual('}}b'.format(), '}b')
self.assertEqual('a{{b'.format(), 'a{b')
# examples from the PEP:
import datetime
self.assertEqual("My name is {0}".format('Fred'), "My name is Fred")
self.assertEqual("My name is {0[name]}".format(dict(name='Fred')),
"My name is Fred")
self.assertEqual("My name is {0} :-{{}}".format('Fred'),
"My name is Fred :-{}")
d = datetime.date(2007, 8, 18)
self.assertEqual("The year is {0.year}".format(d),
"The year is 2007")
# classes we'll use for testing
class C:
def __init__(self, x=100):
self._x = x
def __format__(self, spec):
return spec
class D:
def __init__(self, x):
self.x = x
def __format__(self, spec):
return str(self.x)
# class with __str__, but no __format__
class E:
def __init__(self, x):
self.x = x
def __str__(self):
return 'E(' + self.x + ')'
# class with __repr__, but no __format__ or __str__
class F:
def __init__(self, x):
self.x = x
def __repr__(self):
return 'F(' + self.x + ')'
# class with __format__ that forwards to string, for some format_spec's
class G:
def __init__(self, x):
self.x = x
def __str__(self):
return "string is " + self.x
def __format__(self, format_spec):
if format_spec == 'd':
return 'G(' + self.x + ')'
return object.__format__(self, format_spec)
class I(datetime.date):
def __format__(self, format_spec):
return self.strftime(format_spec)
class J(int):
def __format__(self, format_spec):
return int.__format__(self * 2, format_spec)