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| author | Daniel Fortunov <asqui@users.noreply.github.com> | 2023-05-23 15:11:29 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-05-23 17:11:29 +0300 |
| commit | ddb14859535ab8091381b9d0baf32dbe245b5e65 (patch) | |
| tree | 6ae7e1097013aab5e37ad69d7c45413fbd37d15a /Lib/test/test_unicode.py | |
| parent | 76170f545870db93b6c45cae09ff34b18639ee97 (diff) | |
| download | cpython-ddb14859535ab8091381b9d0baf32dbe245b5e65.tar.gz cpython-ddb14859535ab8091381b9d0baf32dbe245b5e65.zip | |
gh-81005: Refactor str tests to reflect that str and unicode are merged in Python 3 (#13172)
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
Diffstat (limited to 'Lib/test/test_unicode.py')
| -rw-r--r-- | Lib/test/test_unicode.py | 2728 |
1 files changed, 0 insertions, 2728 deletions
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py deleted file mode 100644 index 4ebbb9d32a3..00000000000 --- a/Lib/test/test_unicode.py +++ /dev/null @@ -1,2728 +0,0 @@ -""" 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 pickle -import struct -import sys -import textwrap -import unicodedata -import unittest -import warnings -from test.support import warnings_helper -from test import support, string_tests -from test.support.script_helper import assert_python_failure - -try: - import _testcapi -except ImportError: - _testcapi = None - -# 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 - -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 setUp(self): - codecs.register(search_function) - self.addCleanup(codecs.unregister, search_function) - - 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): - 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 !\"#$%&\\'()*+,-./0123456789:;<=>?@ABCDEFGHI" - "JKLMNOPQRSTUVWXYZ[\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\\x7f" - "\\x80\\x81\\x82\\x83\\x84\\x85\\x86\\x87\\x88\\x89\\x8a\\x8b\\x8c\\x8d" - "\\x8e\\x8f\\x90\\x91\\x92\\x93\\x94\\x95\\x96\\x97\\x98\\x99\\x9a\\x9b" - "\\x9c\\x9d\\x9e\\x9f\\xa0\\xa1\\xa2\\xa3\\xa4\\xa5\\xa6\\xa7\\xa8\\xa9" - "\\xaa\\xab\\xac\\xad\\xae\\xaf\\xb0\\xb1\\xb2\\xb3\\xb4\\xb5\\xb6\\xb7" - "\\xb8\\xb9\\xba\\xbb\\xbc\\xbd\\xbe\\xbf\\xc0\\xc1\\xc2\\xc3\\xc4\\xc5" - "\\xc6\\xc7\\xc8\\xc9\\xca\\xcb\\xcc\\xcd\\xce\\xcf\\xd0\\xd1\\xd2\\xd3" - "\\xd4\\xd5\\xd6\\xd7\\xd8\\xd9\\xda\\xdb\\xdc\\xdd\\xde\\xdf\\xe0\\xe1" - "\\xe2\\xe3\\xe4\\xe5\\xe6\\xe7\\xe8\\xe9\\xea\\xeb\\xec\\xed\\xee\\xef" - "\\xf0\\xf1\\xf2\\xf3\\xf4\\xf5\\xf6\\xf7\\xf8\\xf9\\xfa\\xfb\\xfc\\xfd" - "\\xfe\\xff'") - testrepr = ascii(''.join(map(chr, range(256)))) - self.assertEqual(testrepr, latin1repr) - # Test ascii works on wide unicode escapes without overflow. - self.assertEqual(ascii("\U00010000" * 39 + "\uffff" * 4096), - ascii("\U00010000" * 39 + "\uffff" * 4096)) - - class WrongRepr: - def __repr__(self): - return b'byte-repr' - self.assertRaises(TypeError, ascii, WrongRepr()) - - def test_repr(self): - # Test basic sanity of repr() - self.assertEqual(repr('abc'), "'abc'") - self.assertEqual(repr('ab\\c'), "'ab\\\\c'") - self.assertEqual(repr('ab\\'), "'ab\\\\'") - self.assertEqual(repr('\\c'), "'\\\\c'") - self.assertEqual(repr('\\'), "'\\\\'") - self.assertEqual(repr('\n'), "'\\n'") - self.assertEqual(repr('\r'), "'\\r'") - self.assertEqual(repr('\t'), "'\\t'") - self.assertEqual(repr('\b'), "'\\x08'") - self.assertEqual(repr("'\""), """'\\'"'""") - self.assertEqual(repr("'\""), """'\\'"'""") - self.assertEqual(repr("'"), '''"'"''') - self.assertEqual(repr('"'), """'"'""") - latin1repr = ( - "'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b\\x0c\\r" - "\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\\x1a" - "\\x1b\\x1c\\x1d\\x1e\\x1f !\"#$%&\\'()*+,-./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_iterators_invocation(self): - cases = [type(iter('abc')), type(iter('๐'))] - for cls in cases: - with self.subTest(cls=cls): - self.assertRaises(TypeError, cls) - - def test_iteration(self): - cases = ['abc', '๐๐๐', "\u1111\u2222\u3333"] - for case in cases: - with self.subTest(string=case): - self.assertEqual(case, "".join(iter(case))) - - def test_exhausted_iterator(self): - cases = ['abc', '๐๐๐', "\u1111\u2222\u3333"] - for case in cases: - with self.subTest(case=case): - iterator = iter(case) - tuple(iterator) - self.assertRaises(StopIteration, next, iterator) - - def test_pickle_iterator(self): - cases = ['abc', '๐๐๐', "\u1111\u2222\u3333"] - for case in cases: - with self.subTest(case=case): - for proto in range(pickle.HIGHEST_PROTOCOL + 1): - it = iter(case) - with self.subTest(proto=proto): - pickled = "".join(pickle.loads(pickle.dumps(it, proto))) - self.assertEqual(case, pickled) - - 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') - # test subclass - class MyStr(str): - pass - self.checkequal(3, MyStr('aaa'), 'count', 'a') - - 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) - - # test utf-8 non-ascii char - self.checkequal(0, 'ัะตัั', 'find', 'ั') - self.checkequal(3, 'ัะตัั', 'find', 'ั', 1) - self.checkequal(-1, 'ัะตัั', 'find', 'ั', 1, 3) - self.checkequal(-1, 'ัะตัั', 'find', 'e') # english `e` - # test utf-8 non-ascii slice - self.checkequal(1, 'ัะตัั ัะตัั', 'find', 'ะตั') - self.checkequal(1, 'ัะตัั ัะตัั', 'find', 'ะตั', 1) - self.checkequal(1, 'ัะตัั ัะตัั', 'find', 'ะตั', 1, 3) - self.checkequal(6, 'ัะตัั ัะตัั', 'find', 'ะตั', 2) - self.checkequal(-1, 'ัะตัั ัะตัั', 'find', 'ะตั', 6, 7) - self.checkequal(-1, 'ัะตัั ัะตัั', 'find', 'ะตั', 7) - self.checkequal(-1, 'ัะตัั ัะตัั', 'find', 'ec') # english `ec` - - 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 utf-8 non-ascii char - self.checkequal(1, 'ัะตัั', 'rfind', 'ะต') - self.checkequal(1, 'ัะตัั', 'rfind', 'ะต', 1) - self.checkequal(-1, 'ัะตัั', 'rfind', 'ะต', 2) - self.checkequal(-1, 'ัะตัั', 'rfind', 'e') # english `e` - # test utf-8 non-ascii slice - self.checkequal(6, 'ัะตัั ัะตัั', 'rfind', 'ะตั') - self.checkequal(6, 'ัะตัั ัะตัั', 'rfind', 'ะตั', 1) - self.checkequal(1, 'ัะตัั ัะตัั', 'rfind', 'ะตั', 1, 3) - self.checkequal(6, 'ัะตัั ัะตัั', 'rfind', 'ะตั', 2) - self.checkequal(-1, 'ัะตัั ัะตัั', 'rfind', 'ะตั', 6, 7) - self.checkequal(-1, 'ัะตัั ัะตัั', 'rfind', 'ะตั', 7) - self.checkequal(-1, 'ัะตัั ัะตัั', 'rfind', 'ec') # english `ec` - # 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) - - # Check `None` as well: - self.checkequal([left + right], - left + right, 'rsplit', None) - - 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_repeat_id_preserving(self): - a = '123abc1@' - b = '456zyx-+' - self.assertEqual(id(a), id(a)) - self.assertNotEqual(id(a), id(b)) - self.assertNotEqual(id(a), id(a * -4)) - self.assertNotEqual(id(a), id(a * 0)) - self.assertEqual(id(a), id(a * 1)) - self.assertEqual(id(a), id(1 * a)) - self.assertNotEqual(id(a), id(a * 2)) - - class SubStr(str): - pass - - s = SubStr('qwerty()') - self.assertEqual(id(s), id(s)) - self.assertNotEqual(id(s), id(s * -4)) - self.assertNotEqual(id(s), id(s * 0)) - self.assertNotEqual(id(s), id(s * 1)) - self.assertNotEqual(id(s), id(1 * s)) - self.assertNotEqual(id(s), id(s * 2)) - - def test_bytes_comparison(self): - with warnings_helper.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() - 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') - # There are no non-BMP whitespace chars as of Unicode 12. - for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E', - '\U0001F40D', '\U0001F46F']: - self.assertFalse(ch.isspace(), '{!a} is not space.'.format(ch)) - - @support.requires_resource('cpu') - def test_isspace_invariant(self): - for codepoint in range(sys.maxunicode + 1): - char = chr(codepoint) - bidirectional = unicodedata.bidirectional(char) - category = unicodedata.category(char) - self.assertEqual(char.isspace(), - (bidirectional in ('WS', 'B', 'S') - or category == 'Zs')) - - 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("ยต".isidentifier()) - self.assertTrue("๐๐ซ๐ฆ๐ ๐ฌ๐ก๐ข".isidentifier()) - - self.assertFalse(" ".isidentifier()) - self.assertFalse("[".isidentifier()) - self.assertFalse("ยฉ".isidentifier()) - self.assertFalse("0".isidentifier()) - - @support.cpython_only - @support.requires_legacy_unicode_capi - @unittest.skipIf(_testcapi is None, 'need _testcapi module') - def test_isidentifier_legacy(self): - u = '๐๐๐๐๐๐๐' - self.assertTrue(u.isidentifier()) - with warnings_helper.check_warnings(): - warnings.simplefilter('ignore', DeprecationWarning) - self.assertTrue(_testcapi.unicode_legacy_string(u).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('๏ฌ'.lower(), '๏ฌ') - 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('ร'.casefold(), 'ss') - self.assertEqual('๏ฌ'.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('๏ฌ'.upper(), 'FI') - self.assertEqual('\u0130'.upper(), '\u0130') - self.assertEqual('\u03a3'.upper(), '\u03a3') - self.assertEqual('ร'.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('๏ฌnnish'.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('๏ฌNNISH'.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('๏ฌ'.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('ร'.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 = "รผ" * 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) - - class M: - def __init__(self, x): - self.x = x - def __repr__(self): - return 'M(' + self.x + ')' - __str__ = None - - class N: - def __init__(self, x): - self.x = x - def __repr__(self): - return 'N(' + self.x + ')' - __format__ = None - - self.assertEqual(''.format(), '') - self.assertEqual('abc'.format(), 'abc') - self.assertEqual('{0}'.format('abc'), 'abc') - self.assertEqual('{0:}'.format('abc'), 'abc') -# self.assertEqual('{ 0 }'.format('abc'), 'abc') - self.assertEqual('X{0}'.format('abc'), 'Xabc') - self.assertEqual('{0}X'.format('abc'), 'abcX') - self.assertEqual('X{0}Y'.format('abc'), 'XabcY') - self.assertEqual('{1}'.format(1, 'abc'), 'abc') - self.assertEqual('X{1}'.format(1, 'abc'), 'Xabc') - self.assertEqual('{1}X'.format(1, 'abc'), 'abcX') - self.assertEqual('X{1}Y'.format(1, 'abc'), 'XabcY') - self.assertEqual('{0}'.format(-15), '-15') - self.assertEqual('{0}{1}'.format(-15, 'abc'), '-15abc') - self.assertEqual('{0}X{1}'.format(-15, 'abc'), '-15Xabc') - self.assertEqual('{{'.format(), '{') - self.assertEqual('}}'.format(), '}') - self.assertEqual('{{}}'.format(), '{}') - self.assertEqual('{{x}}'.format(), '{x}') - self.assertEqual('{{{0}}}'.format(123), '{123}') - self.assertEqual('{{{{0}}}}'.format(), '{{0}}') - self.assertEqual('}}{{'.format(), '}{') - self.assertEqual('}}x{{'.format(), '}x{') - - # weird field names - self.assertEqual("{0[foo-bar]}".format({'foo-bar':'baz'}), 'baz') - self.assertEqual("{0[foo bar]}".format({'foo bar':'baz'}), 'baz') - self.assertEqual("{0[ ]}".format({' ':3}), '3') - - self.assertEqual('{foo._x}'.format(foo=C(20)), '20') - self.assertEqual('{1}{0}'.format(D(10), D(20)), '2010') - self.assertEqual('{0._x.x}'.format(C(D('abc'))), 'abc') - self.assertEqual('{0[0]}'.format(['abc', 'def']), 'abc') - self.assertEqual('{0[1]}'.format(['abc', 'def']), 'def') - self.assertEqual('{0[1][0]}'.format(['abc', ['def']]), 'def') - self.assertEqual('{0[1][0].x}'.format(['abc', [D('def')]]), 'def') - - # strings - self.assertEqual('{0:.3s}'.format('abc'), 'abc') - self.assertEqual('{0:.3s}'.format('ab'), 'ab') - self.assertEqual('{0:.3s}'.format('abcdef'), 'abc') - self.assertEqual('{0:.0s}'.format('abcdef'), '') - self.assertEqual('{0:3.3s}'.format('abc'), 'abc') - self.assertEqual('{0:2.3s}'.format('abc'), 'abc') - self.assertEqual('{0:2.2s}'.format('abc'), 'ab') - self.assertEqual('{0:3.2s}'.format('abc'), 'ab ') - self.assertEqual('{0:x<0s}'.format('result'), 'result') - self.assertEqual('{0:x<5s}'.format('result'), 'result') - self.assertEqual('{0:x<6s}'.format('result'), 'result') - self.assertEqual('{0:x<7s}'.format('result'), 'resultx') - self.assertEqual('{0:x<8s}'.format('result'), 'resultxx') - self.assertEqual('{0: <7s}'.format('result'), 'result ') - self.assertEqual('{0:<7s}'.format('result'), 'result ') - self.assertEqual('{0:>7s}'.format('result'), ' result') - self.assertEqual('{0:>8s}'.format('result'), ' result') - self.assertEqual('{0:^8s}'.format('result'), ' result ') - self.assertEqual('{0:^9s}'.format('result'), ' result ') - self.assertEqual('{0:^10s}'.format('result'), ' result ') - self.assertEqual('{0:8s}'.format('result'), 'result ') - self.assertEqual('{0:0s}'.format('result'), 'result') - self.assertEqual('{0:08s}'.format('result'), 'result00') - self.assertEqual('{0:<08s}'.format('result'), 'result00') - self.assertEqual('{0:>08s}'.format('result'), '00result') - self.assertEqual('{0:^08s}'.format('result'), '0result0') - self.assertEqual('{0:10000}'.format('a'), 'a' + ' ' * 9999) - self.assertEqual('{0:10000}'.format(''), ' ' * 10000) - self.assertEqual('{0:10000000}'.format(''), ' ' * 10000000) - - # issue 12546: use \x00 as a fill character - self.assertEqual('{0:\x00<6s}'.format('foo'), 'foo\x00\x00\x00') - self.assertEqual('{0:\x01<6s}'.format('foo'), 'foo\x01\x01\x01') - self.assertEqual('{0:\x00^6s}'.format('foo'), '\x00foo\x00\x00') - self.assertEqual('{0:^6s}'.format('foo'), ' foo ') - - self.assertEqual('{0:\x00<6}'.format(3), '3\x00\x00\x00\x00\x00') - self.assertEqual('{0:\x01<6}'.format(3), '3\x01\x01\x01\x01\x01') - self.assertEqual('{0:\x00^6}'.format(3), '\x00\x003\x00\x00\x00') - self.assertEqual('{0:<6}'.format(3), '3 ') - - self.assertEqual('{0:\x00<6}'.format(3.14), '3.14\x00\x00') - self.assertEqual('{0:\x01<6}'.format(3.14), '3.14\x01\x01') - self.assertEqual('{0:\x00^6}'.format(3.14), '\x003.14\x00') - self.assertEqual('{0:^6}'.format(3.14), ' 3.14 ') - - self.assertEqual('{0:\x00<12}'.format(3+2.0j), '(3+2j)\x00\x00\x00\x00\x00\x00') - self.assertEqual('{0:\x01<12}'.format(3+2.0j), '(3+2j)\x01\x01\x01\x01\x01\x01') - self.assertEqual('{0:\x00^12}'.format(3+2.0j), '\x00\x00\x00(3+2j)\x00\x00\x00') - self.assertEqual('{0:^12}'.format(3+2.0j), ' (3+2j) ') - - # format specifiers for user defined type - self.assertEqual('{0:abc}'.format(C()), 'abc') - - # !r, !s and !a coercions - self.assertEqual('{0!s}'.format('Hello'), 'Hello') - self.assertEqual('{0!s:}'.format('Hello'), 'Hello') - self.assertEqual('{0!s:15}'.format('Hello'), 'Hello ') - self.assertEqual('{0!s:15s}'.format('Hello'), 'Hello ') - self.assertEqual('{0!r}'.format('Hello'), "'Hello'") - self.assertEqual('{0!r:}'.format('Hello'), "'Hello'") - self.assertEqual('{0!r}'.format(F('Hello')), 'F(Hello)') - self.assertEqual('{0!r}'.format('\u0378'), "'\\u0378'") # nonprintable - self.assertEqual('{0!r}'.format('\u0374'), "'\u0374'") # printable - self.assertEqual('{0!r}'.format(F('\u0374')), 'F(\u0374)') - self.assertEqual('{0!a}'.format('Hello'), "'Hello'") - self.assertEqual('{0!a}'.format('\u0378'), "'\\u0378'") # nonprintable - self.assertEqual('{0!a}'.format('\u0374'), "'\\u0374'") # printable - self.assertEqual('{0!a:}'.format('Hello'), "'Hello'") - self.assertEqual('{0!a}'.format(F('Hello')), 'F(Hello)') - self.assertEqual('{0!a}'.format(F('\u0374')), 'F(\\u0374)') - - # test fallback to object.__format__ - self.assertEqual('{0}'.format({}), '{}') - self.assertEqual('{0}'.format([]), '[]') - self.assertEqual('{0}'.format([1]), '[1]') - - self.assertEqual('{0:d}'.format(G('data')), 'G(data)') - self.assertEqual('{0!s}'.format(G('data')), 'string is data') - - self.assertRaises(TypeError, '{0:^10}'.format, E('data')) - self.assertRaises(TypeError, '{0:^10s}'.format, E('data')) - self.assertRaises(TypeError, '{0:>15s}'.format, G('data')) - - self.assertEqual("{0:date: %Y-%m-%d}".format(I(year=2007, - month=8, - day=27)), - "date: 2007-08-27") - - # test deriving from a builtin type and overriding __format__ - self.assertEqual("{0}".format(J(10)), "20") - - - # string format specifiers - self.assertEqual('{0:}'.format('a'), 'a') - - # computed format specifiers - self.assertEqual("{0:.{1}}".format('hello world', 5), 'hello') - self.assertEqual("{0:.{1}s}".format('hello world', 5), 'hello') - self.assertEqual("{0:.{precision}s}".format('hello world', precision=5), 'hello') - self.assertEqual("{0:{width}.{precision}s}".format('hello world', width=10, precision=5), 'hello ') - self.assertEqual("{0:{width}.{precision}s}".format('hello world', width='10', precision='5'), 'hello ') - - # test various errors - self.assertRaises(ValueError, '{'.format) - self.assertRaises(ValueError, '}'.format) - self.assertRaises(ValueError, 'a{'.format) - self.assertRaises(ValueError, 'a}'.format) - self.assertRaises(ValueError, '{a'.format) - self.assertRaises(ValueError, '}a'.format) - self.assertRaises(IndexError, '{0}'.format) - self.assertRaises(IndexError, '{1}'.format, 'abc') - self.assertRaises(KeyError, '{x}'.format) - self.assertRaises(ValueError, "}{".format) - self.assertRaises(ValueError, "abc{0:{}".format) - self.assertRaises(ValueError, "{0".format) - self.assertRaises(IndexError, "{0.}".format) - self.assertRaises(ValueError, "{0.}".format, 0) - self.assertRaises(ValueError, "{0[}".format) - self.assertRaises(ValueError, "{0[}".format, []) - self.assertRaises(KeyError, "{0]}".format) - self.assertRaises(ValueError, "{0.[]}".format, 0) - self.assertRaises(ValueError, "{0..foo}".format, 0) - self.assertRaises(ValueError, "{0[0}".format, 0) - self.assertRaises(ValueError, "{0[0:foo}".format, 0) - self.assertRaises(KeyError, "{c]}".format) - self.assertRaises(ValueError, "{{ {{{0}}".format, 0) - self.assertRaises(ValueError, "{0}}".format, 0) - self.assertRaises(KeyError, "{foo}".format, bar=3) - self.assertRaises(ValueError, "{0!x}".format, 3) - self.assertRaises(ValueError, "{0!}".format, 0) - self.assertRaises(ValueError, "{0!rs}".format, 0) - self.assertRaises(ValueError, "{!}".format) - self.assertRaises(IndexError, "{:}".format) - self.assertRaises(IndexError, "{:s}".format) - self.assertRaises(IndexError, "{}".format) - big = "23098475029384702983476098230754973209482573" - self.assertRaises(ValueError, ("{" + big + "}").format) - self.assertRaises(ValueError, ("{[" + big + "]}").format, [0]) - - # test number formatter errors: - self.assertRaises(ValueError, '{0:x}'.format, 1j) - self.assertRaises(ValueError, '{0:x}'.format, 1.0) - self.assertRaises(ValueError, '{0:X}'.format, 1j) - self.assertRaises(ValueError, '{0:X}'.format, 1.0) - self.assertRaises(ValueError, '{0:o}'.format, 1j) - self.assertRaises(ValueError, '{0:o}'.format, 1.0) - self.assertRaises(ValueError, '{0:u}'.format, 1j) - self.assertRaises(ValueError, '{0:u}'.format, 1.0) - self.assertRaises(ValueError, '{0:i}'.format, 1j) - self.assertRaises(ValueError, '{0:i}'.format, 1.0) - self.assertRaises(ValueError, '{0:d}'.format, 1j) - self.assertRaises(ValueError, '{0:d}'.format, 1.0) - - # issue 6089 - self.assertRaises(ValueError, "{0[0]x}".format, [None]) - self.assertRaises(ValueError, "{0[0](10)}".format, [None]) - - # can't have a replacement on the field name portion - self.assertRaises(TypeError, '{0[{1}]}'.format, 'abcdefg', 4) - - # exceed maximum recursion depth - self.assertRaises(ValueError, "{0:{1:{2}}}".format, 'abc', 's', '') - self.assertRaises(ValueError, "{0:{1:{2:{3:{4:{5:{6}}}}}}}".format, - 0, 1, 2, 3, 4, 5, 6, 7) - - # string format spec errors - sign_msg = "Sign not allowed in string format specifier" - self.assertRaisesRegex(ValueError, sign_msg, "{0:-s}".format, '') - self.assertRaisesRegex(ValueError, sign_msg, format, "", "-") - space_msg = "Space not allowed in string format specifier" - self.assertRaisesRegex(ValueError, space_msg, "{: }".format, '') - self.assertRaises(ValueError, "{0:=s}".format, '') - - # Alternate formatting is not supported - self.assertRaises(ValueError, format, '', '#') - self.assertRaises(ValueError, format, '', '#20') - - # Non-ASCII - self.assertEqual("{0:s}{1:s}".format("ABC", "\u0410\u0411\u0412"), - 'ABC\u0410\u0411\u0412') - self.assertEqual("{0:.3s}".format("ABC\u0410\u0411\u0412"), - 'ABC') - self.assertEqual("{0:.0s}".format("ABC\u0410\u0411\u0412"), - '') - - self.assertEqual("{[{}]}".format({"{}": 5}), "5") - self.assertEqual("{[{}]}".format({"{}" : "a"}), "a") - self.assertEqual("{[{]}".format({"{" : "a"}), "a") - self.assertEqual("{[}]}".format({"}" : "a"}), "a") - self.assertEqual("{[[]}".format({"[" : "a"}), "a") - self.assertEqual("{[!]}".format({"!" : "a"}), "a") - self.assertRaises(ValueError, "{a{}b}".format, 42) - self.assertRaises(ValueError, "{a{b}".format, 42) - self.assertRaises(ValueError, "{[}".format, 42) - - self.assertEqual("0x{:0{:d}X}".format(0x0,16), "0x0000000000000000") - - # Blocking fallback - m = M('data') - self.assertEqual("{!r}".format(m), 'M(data)') - self.assertRaises(TypeError, "{!s}".format, m) - self.assertRaises(TypeError, "{}".format, m) - n = N('data') - self.assertEqual("{!r}".format(n), 'N(data)') - self.assertEqual("{!s}".format(n), 'N(data)') - self.assertRaises(TypeError, "{}".format, n) - - def test_format_map(self): - self.assertEqual(''.format_map({}), '') - self.assertEqual('a'.format_map({}), 'a') - self.assertEqual('ab'.format_map({}), 'ab') - self.assertEqual('a{{'.format_map({}), 'a{') - self.assertEqual('a}}'.format_map({}), 'a}') - self.assertEqual('{{b'.format_map({}), '{b') - self.assertEqual('}}b'.format_map({}), '}b') - self.assertEqual('a{{b'.format_map({}), 'a{b') - - # using mappings - class Mapping(dict): - def __missing__(self, key): - return key - self.assertEqual('{hello}'.format_map(Mapping()), 'hello') - self.assertEqual('{a} {world}'.format_map(Mapping(a='hello')), 'hello world') - - class InternalMapping: - def __init__(self): - self.mapping = {'a': 'hello'} - def __getitem__(self, key): - return self.mapping[key] - self.assertEqual('{a}'.format_map(InternalMapping()), 'hello') - - - class C: - def __init__(self, x=100): - self._x = x - def __format__(self, spec): - return spec - self.assertEqual('{foo._x}'.format_map({'foo': C(20)}), '20') - - # test various errors - self.assertRaises(TypeError, ''.format_map) - self.assertRaises(TypeError, 'a'.format_map) - - self.assertRaises(ValueError, '{'.format_map, {}) - self.assertRaises(ValueError, '}'.format_map, {}) - self.assertRaises(ValueError, 'a{'.format_map, {}) - self.assertRaises(ValueError, 'a}'.format_map, {}) - self.assertRaises(ValueError, '{a'.format_map, {}) - self.assertRaises(ValueError, '}a'.format_map, {}) - - # issue #12579: can't supply positional params to format_map - self.assertRaises(ValueError, '{}'.format_map, {'a' : 2}) - self.assertRaises(ValueError, '{}'.format_map, 'a') - self.assertRaises(ValueError, '{a} {}'.format_map, {"a" : 2, "b" : 1}) - - class BadMapping: - def __getitem__(self, key): - return 1/0 - self.assertRaises(KeyError, '{a}'.format_map, {}) - self.assertRaises(TypeError, '{a}'.format_map, []) - self.assertRaises(ZeroDivisionError, '{a}'.format_map, BadMapping()) - - def test_format_huge_precision(self): - format_string = ".{}f".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format(2.34, format_string) - - def test_format_huge_width(self): - format_string = "{}f".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format(2.34, format_string) - - def test_format_huge_item_number(self): - format_string = "{{{}:.6f}}".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format_string.format(2.34) - - def test_format_auto_numbering(self): - class C: - def __init__(self, x=100): - self._x = x - def __format__(self, spec): - return spec - - self.assertEqual('{}'.format(10), '10') - self.assertEqual('{:5}'.format('s'), 's ') - self.assertEqual('{!r}'.format('s'), "'s'") - self.assertEqual('{._x}'.format(C(10)), '10') - self.assertEqual('{[1]}'.format([1, 2]), '2') - self.assertEqual('{[a]}'.format({'a':4, 'b':2}), '4') - self.assertEqual('a{}b{}c'.format(0, 1), 'a0b1c') - - self.assertEqual('a{:{}}b'.format('x', '^10'), 'a x b') - self.assertEqual('a{:{}x}b'.format(20, '#'), 'a0x14b') - - # can't mix and match numbering and auto-numbering - self.assertRaises(ValueError, '{}{1}'.format, 1, 2) - self.assertRaises(ValueError, '{1}{}'.format, 1, 2) - self.assertRaises(ValueError, '{:{1}}'.format, 1, 2) - self.assertRaises(ValueError, '{0:{}}'.format, 1, 2) - - # can mix and match auto-numbering and named - self.assertEqual('{f}{}'.format(4, f='test'), 'test4') - self.assertEqual('{}{f}'.format(4, f='test'), '4test') - self.assertEqual('{:{f}}{g}{}'.format(1, 3, g='g', f=2), ' 1g3') - self.assertEqual('{f:{}}{}{g}'.format(2, 4, f=1, g='g'), ' 14g') - - def test_formatting(self): - string_tests.MixinStrUnicodeUserStringTest.test_formatting(self) - # Testing Unicode formatting strings... - self.assertEqual("%s, %s" % ("abc", "abc"), 'abc, abc') - self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", 1, 2, 3), 'abc, abc, 1, 2.000000, 3.00') - self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", 1, -2, 3), 'abc, abc, 1, -2.000000, 3.00') - self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", -1, -2, 3.5), 'abc, abc, -1, -2.000000, 3.50') - self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", -1, -2, 3.57), 'abc, abc, -1, -2.000000, 3.57') - self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", -1, -2, 1003.57), 'abc, abc, -1, -2.000000, 1003.57') - self.assertEqual("%r, %r" % (b"abc", "abc"), "b'abc', 'abc'") - self.assertEqual("%r" % ("\u1234",), "'\u1234'") - self.assertEqual("%a" % ("\u1234",), "'\\u1234'") - self.assertEqual("%(x)s, %(y)s" % {'x':"abc", 'y':"def"}, 'abc, def') - self.assertEqual("%(x)s, %(\xfc)s" % {'x':"abc", '\xfc':"def"}, 'abc, def') - - self.assertEqual('%c' % 0x1234, '\u1234') - self.assertEqual('%c' % 0x21483, '\U00021483') - self.assertRaises(OverflowError, "%c".__mod__, (0x110000,)) - self.assertEqual('%c' % '\U00021483', '\U00021483') - self.assertRaises(TypeError, "%c".__mod__, "aa") - self.assertRaises(ValueError, "%.1\u1032f".__mod__, (1.0/3)) - self.assertRaises(TypeError, "%i".__mod__, "aa") - - # formatting jobs delegated from the string implementation: - self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...') - self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...') - self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...') - self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...') - self.assertEqual('...%(foo)s...' % {'foo':"abc",'def':123}, '...abc...') - self.assertEqual('...%(foo)s...' % {'foo':"abc",'def':123}, '...abc...') - self.assertEqual('...%s...%s...%s...%s...' % (1,2,3,"abc"), '...1...2...3...abc...') - self.assertEqual('...%%...%%s...%s...%s...%s...%s...' % (1,2,3,"abc"), '...%...%s...1...2...3...abc...') - self.assertEqual('...%s...' % "abc", '...abc...') - self.assertEqual('%*s' % (5,'abc',), ' abc') - self.assertEqual('%*s' % (-5,'abc',), 'abc ') - self.assertEqual('%*.*s' % (5,2,'abc',), ' ab') - self.assertEqual('%*.*s' % (5,3,'abc',), ' abc') - self.assertEqual('%i %*.*s' % (10, 5,3,'abc',), '10 abc') - self.assertEqual('%i%s %*.*s' % (10, 3, 5, 3, 'abc',), '103 abc') - self.assertEqual('%c' % 'a', 'a') - class Wrapper: - def __str__(self): - return '\u1234' - self.assertEqual('%s' % Wrapper(), '\u1234') - - # issue 3382 - NAN = float('nan') - INF = float('inf') - self.assertEqual('%f' % NAN, 'nan') - self.assertEqual('%F' % NAN, 'NAN') - self.assertEqual('%f' % INF, 'inf') - self.assertEqual('%F' % INF, 'INF') - - # PEP 393 - self.assertEqual('%.1s' % "a\xe9\u20ac", 'a') - self.assertEqual('%.2s' % "a\xe9\u20ac", 'a\xe9') - - #issue 19995 - class PseudoInt: - def __init__(self, value): - self.value = int(value) - def __int__(self): - return self.value - def __index__(self): - return self.value - class PseudoFloat: - def __init__(self, value): - self.value = float(value) - def __int__(self): - return int(self.value) - pi = PseudoFloat(3.1415) - letter_m = PseudoInt(109) - self.assertEqual('%x' % 42, '2a') - self.assertEqual('%X' % 15, 'F') - self.assertEqual('%o' % 9, '11') - self.assertEqual('%c' % 109, 'm') - self.assertEqual('%x' % letter_m, '6d') - self.assertEqual('%X' % letter_m, '6D') - self.assertEqual('%o' % letter_m, '155') - self.assertEqual('%c' % letter_m, 'm') - self.assertRaisesRegex(TypeError, '%x format: an integer is required, not float', operator.mod, '%x', 3.14) - self.assertRaisesRegex(TypeError, '%X format: an integer is required, not float', operator.mod, '%X', 2.11) - self.assertRaisesRegex(TypeError, '%o format: an integer is required, not float', operator.mod, '%o', 1.79) - self.assertRaisesRegex(TypeError, '%x format: an integer is required, not PseudoFloat', operator.mod, '%x', pi) - self.assertRaisesRegex(TypeError, '%x format: an integer is required, not complex', operator.mod, '%x', 3j) - self.assertRaisesRegex(TypeError, '%X format: an integer is required, not complex', operator.mod, '%X', 2j) - self.assertRaisesRegex(TypeError, '%o format: an integer is required, not complex', operator.mod, '%o', 1j) - self.assertRaisesRegex(TypeError, '%u format: a real number is required, not complex', operator.mod, '%u', 3j) - self.assertRaisesRegex(TypeError, '%i format: a real number is required, not complex', operator.mod, '%i', 2j) - self.assertRaisesRegex(TypeError, '%d format: a real number is required, not complex', operator.mod, '%d', 1j) - self.assertRaisesRegex(TypeError, '%c requires int or char', operator.mod, '%c', pi) - - class RaisingNumber: - def __int__(self): - raise RuntimeError('int') # should not be `TypeError` - def __index__(self): - raise RuntimeError('index') # should not be `TypeError` - - rn = RaisingNumber() - self.assertRaisesRegex(RuntimeError, 'int', operator.mod, '%d', rn) - self.assertRaisesRegex(RuntimeError, 'int', operator.mod, '%i', rn) - self.assertRaisesRegex(RuntimeError, 'int', operator.mod, '%u', rn) - self.assertRaisesRegex(RuntimeError, 'index', operator.mod, '%x', rn) - self.assertRaisesRegex(RuntimeError, 'index', operator.mod, '%X', rn) - self.assertRaisesRegex(RuntimeError, 'index', operator.mod, '%o', rn) - - def test_formatting_with_enum(self): - # issue18780 - import enum - class Float(float, enum.Enum): - # a mixed-in type will use the name for %s etc. - PI = 3.1415926 - class Int(enum.IntEnum): - # IntEnum uses the value and not the name for %s etc. - IDES = 15 - class Str(enum.StrEnum): - # StrEnum uses the value and not the name for %s etc. - ABC = 'abc' - # Testing Unicode formatting strings... - self.assertEqual("%s, %s" % (Str.ABC, Str.ABC), - 'abc, abc') - self.assertEqual("%s, %s, %d, %i, %u, %f, %5.2f" % - (Str.ABC, Str.ABC, - Int.IDES, Int.IDES, Int.IDES, - Float.PI, Float.PI), - 'abc, abc, 15, 15, 15, 3.141593, 3.14') - - # formatting jobs delegated from the string implementation: - self.assertEqual('...%(foo)s...' % {'foo':Str.ABC}, - '...abc...') - self.assertEqual('...%(foo)r...' % {'foo':Int.IDES}, - '...<Int.IDES: 15>...') - self.assertEqual('...%(foo)s...' % {'foo':Int.IDES}, - '...15...') - self.assertEqual('...%(foo)i...' % {'foo':Int.IDES}, - '...15...') - self.assertEqual('...%(foo)d...' % {'foo':Int.IDES}, - '...15...') - self.assertEqual('...%(foo)u...' % {'foo':Int.IDES, 'def':Float.PI}, - '...15...') - self.assertEqual('...%(foo)f...' % {'foo':Float.PI,'def':123}, - '...3.141593...') - - def test_formatting_huge_precision(self): - format_string = "%.{}f".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format_string % 2.34 - - def test_issue28598_strsubclass_rhs(self): - # A subclass of str with an __rmod__ method should be able to hook - # into the % operator - class SubclassedStr(str): - def __rmod__(self, other): - return 'Success, self.__rmod__({!r}) was called'.format(other) - self.assertEqual('lhs %% %r' % SubclassedStr('rhs'), - "Success, self.__rmod__('lhs %% %r') was called") - - @support.cpython_only - @unittest.skipIf(_testcapi is None, 'need _testcapi module') - def test_formatting_huge_precision_c_limits(self): - format_string = "%.{}f".format(_testcapi.INT_MAX + 1) - with self.assertRaises(ValueError): - result = format_string % 2.34 - - def test_formatting_huge_width(self): - format_string = "%{}f".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format_string % 2.34 - - def test_startswith_endswith_errors(self): - for meth in ('foo'.startswith, 'foo'.endswith): - with self.assertRaises(TypeError) as cm: - meth(['f']) - exc = str(cm.exception) - self.assertIn('str', exc) - self.assertIn('tuple', exc) - - @support.run_with_locale('LC_ALL', 'de_DE', 'fr_FR') - def test_format_float(self): - # should not format with a comma, but always with C locale - self.assertEqual('1.0', '%.1f' % 1.0) - - def test_constructor(self): - # unicode(obj) tests (this maps to PyObject_Unicode() at C level) - - self.assertEqual( - str('unicode remains unicode'), - 'unicode remains unicode' - ) - - for text in ('ascii', '\xe9', '\u20ac', '\U0010FFFF'): - subclass = StrSubclass(text) - self.assertEqual(str(subclass), text) - self.assertEqual(len(subclass), len(text)) - if text == 'ascii': - self.assertEqual(subclass.encode('ascii'), b'ascii') - self.assertEqual(subclass.encode('utf-8'), b'ascii') - - self.assertEqual( - str('strings are converted to unicode'), - 'strings are converted to unicode' - ) - - class StringCompat: - def __init__(self, x): - self.x = x - def __str__(self): - return self.x - - self.assertEqual( - str(StringCompat('__str__ compatible objects are recognized')), - '__str__ compatible objects are recognized' - ) - - # unicode(obj) is compatible to str(): - - o = StringCompat('unicode(obj) is compatible to str()') - self.assertEqual(str(o), 'unicode(obj) is compatible to str()') - self.assertEqual(str(o), 'unicode(obj) is compatible to str()') - - for obj in (123, 123.45, 123): - self.assertEqual(str(obj), str(str(obj))) - - # unicode(obj, encoding, error) tests (this maps to - # PyUnicode_FromEncodedObject() at C level) - - self.assertRaises( - TypeError, - str, - 'decoding unicode is not supported', - 'utf-8', - 'strict' - ) - - self.assertEqual( - str(b'strings are decoded to unicode', 'utf-8', 'strict'), - 'strings are decoded to unicode' - ) - - self.assertEqual( - str( - memoryview(b'character buffers are decoded to unicode'), - 'utf-8', - 'strict' - ), - 'character buffers are decoded to unicode' - ) - - self.assertRaises(TypeError, str, 42, 42, 42) - - def test_constructor_keyword_args(self): - """Pass various keyword argument combinations to the constructor.""" - # The object argument can be passed as a keyword. - self.assertEqual(str(object='foo'), 'foo') - self.assertEqual(str(object=b'foo', encoding='utf-8'), 'foo') - # The errors argument without encoding triggers "decode" mode. - self.assertEqual(str(b'foo', errors='strict'), 'foo') # not "b'foo'" - self.assertEqual(str(object=b'foo', errors='strict'), 'foo') - - def test_constructor_defaults(self): - """Check the constructor argument defaults.""" - # The object argument defaults to '' or b''. - self.assertEqual(str(), '') - self.assertEqual(str(errors='strict'), '') - utf8_cent = 'ยข'.encode('utf-8') - # The encoding argument defaults to utf-8. - self.assertEqual(str(utf8_cent, errors='strict'), 'ยข') - # The errors argument defaults to strict. - self.assertRaises(UnicodeDecodeError, str, utf8_cent, encoding='ascii') - - def test_codecs_utf7(self): - utfTests = [ - ('A\u2262\u0391.', b'A+ImIDkQ.'), # RFC2152 example - ('Hi Mom -\u263a-!', b'Hi Mom -+Jjo--!'), # RFC2152 example - ('\u65E5\u672C\u8A9E', b'+ZeVnLIqe-'), # RFC2152 example - ('Item 3 is \u00a31.', b'Item 3 is +AKM-1.'), # RFC2152 example - ('+', b'+-'), - ('+-', b'+--'), - ('+?', b'+-?'), - (r'\?', b'+AFw?'), - ('+?', b'+-?'), - (r'\\?', b'+AFwAXA?'), - (r'\\\?', b'+AFwAXABc?'), - (r'++--', b'+-+---'), - ('\U000abcde', b'+2m/c3g-'), # surrogate pairs - ('/', b'/'), - ] - - for (x, y) in utfTests: - self.assertEqual(x.encode('utf-7'), y) - - # Unpaired surrogates are passed through - self.assertEqual('\uD801'.encode('utf-7'), b'+2AE-') - self.assertEqual('\uD801x'.encode('utf-7'), b'+2AE-x') - self.assertEqual('\uDC01'.encode('utf-7'), b'+3AE-') - self.assertEqual('\uDC01x'.encode('utf-7'), b'+3AE-x') - self.assertEqual(b'+2AE-'.decode('utf-7'), '\uD801') - self.assertEqual(b'+2AE-x'.decode('utf-7'), '\uD801x') - self.assertEqual(b'+3AE-'.decode('utf-7'), '\uDC01') - self.assertEqual(b'+3AE-x'.decode('utf-7'), '\uDC01x') - - self.assertEqual('\uD801\U000abcde'.encode('utf-7'), b'+2AHab9ze-') - self.assertEqual(b'+2AHab9ze-'.decode('utf-7'), '\uD801\U000abcde') - - # Issue #2242: crash on some Windows/MSVC versions - self.assertEqual(b'+\xc1'.decode('utf-7', 'ignore'), '') - - # Direct encoded characters - set_d = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'(),-./:?" - # Optional direct characters - set_o = '!"#$%&*;<=>@[]^_`{|}' - for c in set_d: - self.assertEqual(c.encode('utf7'), c.encode('ascii')) - self.assertEqual(c.encode('ascii').decode('utf7'), c) - for c in set_o: - self.assertEqual(c.encode('ascii').decode('utf7'), c) - - with self.assertRaisesRegex(UnicodeDecodeError, - 'ill-formed sequence'): - b'+@'.decode('utf-7') - - def test_codecs_utf8(self): - self.assertEqual(''.encode('utf-8'), b'') - self.assertEqual('\u20ac'.encode('utf-8'), b'\xe2\x82\xac') - self.assertEqual('\U00010002'.encode('utf-8'), b'\xf0\x90\x80\x82') - self.assertEqual('\U00023456'.encode('utf-8'), b'\xf0\xa3\x91\x96') - self.assertEqual('\ud800'.encode('utf-8', 'surrogatepass'), b'\xed\xa0\x80') - self.assertEqual('\udc00'.encode('utf-8', 'surrogatepass'), b'\xed\xb0\x80') - self.assertEqual(('\U00010002'*10).encode('utf-8'), - b'\xf0\x90\x80\x82'*10) - self.assertEqual( - '\u6b63\u78ba\u306b\u8a00\u3046\u3068\u7ffb\u8a33\u306f' - '\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u4e00' - '\u90e8\u306f\u30c9\u30a4\u30c4\u8a9e\u3067\u3059\u304c' - '\u3001\u3042\u3068\u306f\u3067\u305f\u3089\u3081\u3067' - '\u3059\u3002\u5b9f\u969b\u306b\u306f\u300cWenn ist das' - ' Nunstuck git und'.encode('utf-8'), - b'\xe6\xad\xa3\xe7\xa2\xba\xe3\x81\xab\xe8\xa8\x80\xe3\x81' - b'\x86\xe3\x81\xa8\xe7\xbf\xbb\xe8\xa8\xb3\xe3\x81\xaf\xe3' - b'\x81\x95\xe3\x82\x8c\xe3\x81\xa6\xe3\x81\x84\xe3\x81\xbe' - b'\xe3\x81\x9b\xe3\x82\x93\xe3\x80\x82\xe4\xb8\x80\xe9\x83' - b'\xa8\xe3\x81\xaf\xe3\x83\x89\xe3\x82\xa4\xe3\x83\x84\xe8' - b'\xaa\x9e\xe3\x81\xa7\xe3\x81\x99\xe3\x81\x8c\xe3\x80\x81' - b'\xe3\x81\x82\xe3\x81\xa8\xe3\x81\xaf\xe3\x81\xa7\xe3\x81' - b'\x9f\xe3\x82\x89\xe3\x82\x81\xe3\x81\xa7\xe3\x81\x99\xe3' - b'\x80\x82\xe5\xae\x9f\xe9\x9a\x9b\xe3\x81\xab\xe3\x81\xaf' - b'\xe3\x80\x8cWenn ist das Nunstuck git und' - ) - - # UTF-8 specific decoding tests - self.assertEqual(str(b'\xf0\xa3\x91\x96', 'utf-8'), '\U00023456' ) - self.assertEqual(str(b'\xf0\x90\x80\x82', 'utf-8'), '\U00010002' ) - self.assertEqual(str(b'\xe2\x82\xac', 'utf-8'), '\u20ac' ) - - # Other possible utf-8 test cases: - # * strict decoding testing for all of the - # UTF8_ERROR cases in PyUnicode_DecodeUTF8 - - def test_utf8_decode_valid_sequences(self): - sequences = [ - # single byte - (b'\x00', '\x00'), (b'a', 'a'), (b'\x7f', '\x7f'), - # 2 bytes - (b'\xc2\x80', '\x80'), (b'\xdf\xbf', '\u07ff'), - # 3 bytes - (b'\xe0\xa0\x80', '\u0800'), (b'\xed\x9f\xbf', '\ud7ff'), - (b'\xee\x80\x80', '\uE000'), (b'\xef\xbf\xbf', '\uffff'), - # 4 bytes - (b'\xF0\x90\x80\x80', '\U00010000'), - (b'\xf4\x8f\xbf\xbf', '\U0010FFFF') - ] - for seq, res in sequences: - self.assertEqual(seq.decode('utf-8'), res) - - - def test_utf8_decode_invalid_sequences(self): - # continuation bytes in a sequence of 2, 3, or 4 bytes - continuation_bytes = [bytes([x]) for x in range(0x80, 0xC0)] - # start bytes of a 2-byte sequence equivalent to code points < 0x7F - invalid_2B_seq_start_bytes = [bytes([x]) for x in range(0xC0, 0xC2)] - # start bytes of a 4-byte sequence equivalent to code points > 0x10FFFF - invalid_4B_seq_start_bytes = [bytes([x]) for x in range(0xF5, 0xF8)] - invalid_start_bytes = ( - continuation_bytes + invalid_2B_seq_start_bytes + - invalid_4B_seq_start_bytes + [bytes([x]) for x in range(0xF7, 0x100)] - ) - - for byte in invalid_start_bytes: - self.assertRaises(UnicodeDecodeError, byte.decode, 'utf-8') - - for sb in invalid_2B_seq_start_bytes: - for cb in continuation_bytes: - self.assertRaises(UnicodeDecodeError, (sb+cb).decode, 'utf-8') - - for sb in invalid_4B_seq_start_bytes: - for cb1 in continuation_bytes[:3]: - for cb3 in continuation_bytes[:3]: - self.assertRaises(UnicodeDecodeError, - (sb+cb1+b'\x80'+cb3).decode, 'utf-8') - - for cb in [bytes([x]) for x in range(0x80, 0xA0)]: - self.assertRaises(UnicodeDecodeError, - (b'\xE0'+cb+b'\x80').decode, 'utf-8') - self.assertRaises(UnicodeDecodeError, - (b'\xE0'+cb+b'\xBF').decode, 'utf-8') - # surrogates - for cb in [bytes([x]) for x in range(0xA0, 0xC0)]: - self.assertRaises(UnicodeDecodeError, - (b'\xED'+cb+b'\x80').decode, 'utf-8') - self.assertRaises(UnicodeDecodeError, - (b'\xED'+cb+b'\xBF').decode, 'utf-8') - for cb in [bytes([x]) for x in range(0x80, 0x90)]: - self.assertRaises(UnicodeDecodeError, - (b'\xF0'+cb+b'\x80\x80').decode, 'utf-8') - self.assertRaises(UnicodeDecodeError, - (b'\xF0'+cb+b'\xBF\xBF').decode, 'utf-8') - for cb in [bytes([x]) for x in range(0x90, 0xC0)]: - self.assertRaises(UnicodeDecodeError, - (b'\xF4'+cb+b'\x80\x80').decode, 'utf-8') - self.assertRaises(UnicodeDecodeError, - (b'\xF4'+cb+b'\xBF\xBF').decode, 'utf-8') - - def test_issue8271(self): - # Issue #8271: during the decoding of an invalid UTF-8 byte sequence, - # only the start byte and the continuation byte(s) are now considered - # invalid, instead of the number of bytes specified by the start byte. - # See https://www.unicode.org/versions/Unicode5.2.0/ch03.pdf (page 95, - # table 3-8, Row 2) for more information about the algorithm used. - FFFD = '\ufffd' - sequences = [ - # invalid start bytes - (b'\x80', FFFD), # continuation byte - (b'\x80\x80', FFFD*2), # 2 continuation bytes - (b'\xc0', FFFD), - (b'\xc0\xc0', FFFD*2), - (b'\xc1', FFFD), - (b'\xc1\xc0', FFFD*2), - (b'\xc0\xc1', FFFD*2), - # with start byte of a 2-byte sequence - (b'\xc2', FFFD), # only the start byte - (b'\xc2\xc2', FFFD*2), # 2 start bytes - (b'\xc2\xc2\xc2', FFFD*3), # 3 start bytes - (b'\xc2\x41', FFFD+'A'), # invalid continuation byte - # with start byte of a 3-byte sequence - (b'\xe1', FFFD), # only the start byte - (b'\xe1\xe1', FFFD*2), # 2 start bytes - (b'\xe1\xe1\xe1', FFFD*3), # 3 start bytes - (b'\xe1\xe1\xe1\xe1', FFFD*4), # 4 start bytes - (b'\xe1\x80', FFFD), # only 1 continuation byte - (b'\xe1\x41', FFFD+'A'), # invalid continuation byte - (b'\xe1\x41\x80', FFFD+'A'+FFFD), # invalid cb followed by valid cb - (b'\xe1\x41\x41', FFFD+'AA'), # 2 invalid continuation bytes - (b'\xe1\x80\x41', FFFD+'A'), # only 1 valid continuation byte - (b'\xe1\x80\xe1\x41', FFFD*2+'A'), # 1 valid and the other invalid - (b'\xe1\x41\xe1\x80', FFFD+'A'+FFFD), # 1 invalid and the other valid - # with start byte of a 4-byte sequence - (b'\xf1', FFFD), # only the start byte - (b'\xf1\xf1', FFFD*2), # 2 start bytes - (b'\xf1\xf1\xf1', FFFD*3), # 3 start bytes - (b'\xf1\xf1\xf1\xf1', FFFD*4), # 4 start bytes - (b'\xf1\xf1\xf1\xf1\xf1', FFFD*5), # 5 start bytes - (b'\xf1\x80', FFFD), # only 1 continuation bytes - (b'\xf1\x80\x80', FFFD), # only 2 continuation bytes - (b'\xf1\x80\x41', FFFD+'A'), # 1 valid cb and 1 invalid - (b'\xf1\x80\x41\x41', FFFD+'AA'), # 1 valid cb and 1 invalid - (b'\xf1\x80\x80\x41', FFFD+'A'), # 2 valid cb and 1 invalid - (b'\xf1\x41\x80', FFFD+'A'+FFFD), # 1 invalid cv and 1 valid - (b'\xf1\x41\x80\x80', FFFD+'A'+FFFD*2), # 1 invalid cb and 2 invalid - (b'\xf1\x41\x80\x41', FFFD+'A'+FFFD+'A'), # 2 invalid cb and 1 invalid - (b'\xf1\x41\x41\x80', FFFD+'AA'+FFFD), # 1 valid cb and 1 invalid - (b'\xf1\x41\xf1\x80', FFFD+'A'+FFFD), - (b'\xf1\x41\x80\xf1', FFFD+'A'+FFFD*2), - (b'\xf1\xf1\x80\x41', FFFD*2+'A'), - (b'\xf1\x41\xf1\xf1', FFFD+'A'+FFFD*2), - # with invalid start byte of a 4-byte sequence (rfc2279) - (b'\xf5', FFFD), # only the start byte - (b'\xf5\xf5', FFFD*2), # 2 start bytes - (b'\xf5\x80', FFFD*2), # only 1 continuation byte - (b'\xf5\x80\x80', FFFD*3), # only 2 continuation byte - (b'\xf5\x80\x80\x80', FFFD*4), # 3 continuation bytes - (b'\xf5\x80\x41', FFFD*2+'A'), # 1 valid cb and 1 invalid - (b'\xf5\x80\x41\xf5', FFFD*2+'A'+FFFD), - (b'\xf5\x41\x80\x80\x41', FFFD+'A'+FFFD*2+'A'), - # with invalid start byte of a 5-byte sequence (rfc2279) - (b'\xf8', FFFD), # only the start byte - (b'\xf8\xf8', FFFD*2), # 2 start bytes - (b'\xf8\x80', FFFD*2), # only one continuation byte - (b'\xf8\x80\x41', FFFD*2 + 'A'), # 1 valid cb and 1 invalid - (b'\xf8\x80\x80\x80\x80', FFFD*5), # invalid 5 bytes seq with 5 bytes - # with invalid start byte of a 6-byte sequence (rfc2279) - (b'\xfc', FFFD), # only the start byte - (b'\xfc\xfc', FFFD*2), # 2 start bytes - (b'\xfc\x80\x80', FFFD*3), # only 2 continuation bytes - (b'\xfc\x80\x80\x80\x80\x80', FFFD*6), # 6 continuation bytes - # invalid start byte - (b'\xfe', FFFD), - (b'\xfe\x80\x80', FFFD*3), - # other sequences - (b'\xf1\x80\x41\x42\x43', '\ufffd\x41\x42\x43'), - (b'\xf1\x80\xff\x42\x43', '\ufffd\ufffd\x42\x43'), - (b'\xf1\x80\xc2\x81\x43', '\ufffd\x81\x43'), - (b'\x61\xF1\x80\x80\xE1\x80\xC2\x62\x80\x63\x80\xBF\x64', - '\x61\uFFFD\uFFFD\uFFFD\x62\uFFFD\x63\uFFFD\uFFFD\x64'), - ] - for n, (seq, res) in enumerate(sequences): - self.assertRaises(UnicodeDecodeError, seq.decode, 'utf-8', 'strict') - self.assertEqual(seq.decode('utf-8', 'replace'), res) - self.assertEqual((seq+b'b').decode('utf-8', 'replace'), res+'b') - self.assertEqual(seq.decode('utf-8', 'ignore'), - res.replace('\uFFFD', '')) - - def assertCorrectUTF8Decoding(self, seq, res, err): - """ - Check that an invalid UTF-8 sequence raises a UnicodeDecodeError when - 'strict' is used, returns res when 'replace' is used, and that doesn't - return anything when 'ignore' is used. - """ - with self.assertRaises(UnicodeDecodeError) as cm: - seq.decode('utf-8') - exc = cm.exception - - self.assertIn(err, str(exc)) - self.assertEqual(seq.decode('utf-8', 'replace'), res) - self.assertEqual((b'aaaa' + seq + b'bbbb').decode('utf-8', 'replace'), - 'aaaa' + res + 'bbbb') - res = res.replace('\ufffd', '') - self.assertEqual(seq.decode('utf-8', 'ignore'), res) - self.assertEqual((b'aaaa' + seq + b'bbbb').decode('utf-8', 'ignore'), - 'aaaa' + res + 'bbbb') - - def test_invalid_start_byte(self): - """ - Test that an 'invalid start byte' error is raised when the first byte - is not in the ASCII range or is not a valid start byte of a 2-, 3-, or - 4-bytes sequence. The invalid start byte is replaced with a single - U+FFFD when errors='replace'. - E.g. <80> is a continuation byte and can appear only after a start byte. - """ - FFFD = '\ufffd' - for byte in b'\x80\xA0\x9F\xBF\xC0\xC1\xF5\xFF': - self.assertCorrectUTF8Decoding(bytes([byte]), '\ufffd', - 'invalid start byte') - - def test_unexpected_end_of_data(self): - """ - Test that an 'unexpected end of data' error is raised when the string - ends after a start byte of a 2-, 3-, or 4-bytes sequence without having - enough continuation bytes. The incomplete sequence is replaced with a - single U+FFFD when errors='replace'. - E.g. in the sequence <F3 80 80>, F3 is the start byte of a 4-bytes - sequence, but it's followed by only 2 valid continuation bytes and the - last continuation bytes is missing. - Note: the continuation bytes must be all valid, if one of them is - invalid another error will be raised. - """ - sequences = [ - 'C2', 'DF', - 'E0 A0', 'E0 BF', 'E1 80', 'E1 BF', 'EC 80', 'EC BF', - 'ED 80', 'ED 9F', 'EE 80', 'EE BF', 'EF 80', 'EF BF', - 'F0 90', 'F0 BF', 'F0 90 80', 'F0 90 BF', 'F0 BF 80', 'F0 BF BF', - 'F1 80', 'F1 BF', 'F1 80 80', 'F1 80 BF', 'F1 BF 80', 'F1 BF BF', - 'F3 80', 'F3 BF', 'F3 80 80', 'F3 80 BF', 'F3 BF 80', 'F3 BF BF', - 'F4 80', 'F4 8F', 'F4 80 80', 'F4 80 BF', 'F4 8F 80', 'F4 8F BF' - ] - FFFD = '\ufffd' - for seq in sequences: - self.assertCorrectUTF8Decoding(bytes.fromhex(seq), '\ufffd', - 'unexpected end of data') - - def test_invalid_cb_for_2bytes_seq(self): - """ - Test that an 'invalid continuation byte' error is raised when the - continuation byte of a 2-bytes sequence is invalid. The start byte - is replaced by a single U+FFFD and the second byte is handled - separately when errors='replace'. - E.g. in the sequence <C2 41>, C2 is the start byte of a 2-bytes - sequence, but 41 is not a valid continuation byte because it's the - ASCII letter 'A'. - """ - FFFD = '\ufffd' - FFFDx2 = FFFD * 2 - sequences = [ - ('C2 00', FFFD+'\x00'), ('C2 7F', FFFD+'\x7f'), - ('C2 C0', FFFDx2), ('C2 FF', FFFDx2), - ('DF 00', FFFD+'\x00'), ('DF 7F', FFFD+'\x7f'), - ('DF C0', FFFDx2), ('DF FF', FFFDx2), - ] - for seq, res in sequences: - self.assertCorrectUTF8Decoding(bytes.fromhex(seq), res, - 'invalid continuation byte') - - def test_invalid_cb_for_3bytes_seq(self): - """ - Test that an 'invalid continuation byte' error is raised when the - continuation byte(s) of a 3-bytes sequence are invalid. When - errors='replace', if the first continuation byte is valid, the first - two bytes (start byte + 1st cb) are replaced by a single U+FFFD and the - third byte is handled separately, otherwise only the start byte is - replaced with a U+FFFD and the other continuation bytes are handled - separately. - E.g. in the sequence <E1 80 41>, E1 is the start byte of a 3-bytes - sequence, 80 is a valid continuation byte, but 41 is not a valid cb - because it's the ASCII letter 'A'. - Note: when the start byte is E0 or ED, the valid ranges for the first - continuation byte are limited to A0..BF and 80..9F respectively. - Python 2 used to consider all the bytes in range 80..BF valid when the - start byte was ED. This is fixed in Python 3. - """ - FFFD = '\ufffd' - FFFDx2 = FFFD * 2 - sequences = [ - ('E0 00', FFFD+'\x00'), ('E0 7F', FFFD+'\x7f'), ('E0 80', FFFDx2), - ('E0 9F', FFFDx2), ('E0 C0', FFFDx2), ('E0 FF', FFFDx2), - ('E0 A0 00', FFFD+'\x00'), ('E0 A0 7F', FFFD+'\x7f'), - ('E0 A0 C0', FFFDx2), ('E0 A0 FF', FFFDx2), - ('E0 BF 00', FFFD+'\x00'), ('E0 BF 7F', FFFD+'\x7f'), - ('E0 BF C0', FFFDx2), ('E0 BF FF', FFFDx2), ('E1 00', FFFD+'\x00'), - ('E1 7F', FFFD+'\x7f'), ('E1 C0', FFFDx2), ('E1 FF', FFFDx2), - ('E1 80 00', FFFD+'\x00'), ('E1 80 7F', FFFD+'\x7f'), - ('E1 80 C0', FFFDx2), ('E1 80 FF', FFFDx2), - ('E1 BF 00', FFFD+'\x00'), ('E1 BF 7F', FFFD+'\x7f'), - ('E1 BF C0', FFFDx2), ('E1 BF FF', FFFDx2), ('EC 00', FFFD+'\x00'), - ('EC 7F', FFFD+'\x7f'), ('EC C0', FFFDx2), ('EC FF', FFFDx2), - ('EC 80 00', FFFD+'\x00'), ('EC 80 7F', FFFD+'\x7f'), - ('EC 80 C0', FFFDx2), ('EC 80 FF', FFFDx2), - ('EC BF 00', FFFD+'\x00'), ('EC BF 7F', FFFD+'\x7f'), - ('EC BF C0', FFFDx2), ('EC BF FF', FFFDx2), ('ED 00', FFFD+'\x00'), - ('ED 7F', FFFD+'\x7f'), - ('ED A0', FFFDx2), ('ED BF', FFFDx2), # see note ^ - ('ED C0', FFFDx2), ('ED FF', FFFDx2), ('ED 80 00', FFFD+'\x00'), - ('ED 80 7F', FFFD+'\x7f'), ('ED 80 C0', FFFDx2), - ('ED 80 FF', FFFDx2), ('ED 9F 00', FFFD+'\x00'), - ('ED 9F 7F', FFFD+'\x7f'), ('ED 9F C0', FFFDx2), - ('ED 9F FF', FFFDx2), ('EE 00', FFFD+'\x00'), - ('EE 7F', FFFD+'\x7f'), ('EE C0', FFFDx2), ('EE FF', FFFDx2), - ('EE 80 00', FFFD+'\x00'), ('EE 80 7F', FFFD+'\x7f'), - ('EE 80 C0', FFFDx2), ('EE 80 FF', FFFDx2), - ('EE BF 00', FFFD+'\x00'), ('EE BF 7F', FFFD+'\x7f'), - ('EE BF C0', FFFDx2), ('EE BF FF', FFFDx2), ('EF 00', FFFD+'\x00'), - ('EF 7F', FFFD+'\x7f'), ('EF C0', FFFDx2), ('EF FF', FFFDx2), - ('EF 80 00', FFFD+'\x00'), ('EF 80 7F', FFFD+'\x7f'), - ('EF 80 C0', FFFDx2), ('EF 80 FF', FFFDx2), - ('EF BF 00', FFFD+'\x00'), ('EF BF 7F', FFFD+'\x7f'), - ('EF BF C0', FFFDx2), ('EF BF FF', FFFDx2), - ] - for seq, res in sequences: - self.assertCorrectUTF8Decoding(bytes.fromhex(seq), res, - 'invalid continuation byte') - - def test_invalid_cb_for_4bytes_seq(self): - """ - Test that an 'invalid continuation byte' error is raised when the - continuation byte(s) of a 4-bytes sequence are invalid. When - errors='replace',the start byte and all the following valid - continuation bytes are replaced with a single U+FFFD, and all the bytes - starting from the first invalid continuation bytes (included) are - handled separately. - E.g. in the sequence <E1 80 41>, E1 is the start byte of a 3-bytes - sequence, 80 is a valid continuation byte, but 41 is not a valid cb - because it's the ASCII letter 'A'. - Note: when the start byte is E0 or ED, the valid ranges for the first - continuation byte are limited to A0..BF and 80..9F respectively. - However, when the start byte is ED, Python 2 considers all the bytes - in range 80..BF valid. This is fixed in Python 3. - """ - FFFD = '\ufffd' - FFFDx2 = FFFD * 2 - sequences = [ - ('F0 00', FFFD+'\x00'), ('F0 7F', FFFD+'\x7f'), ('F0 80', FFFDx2), - ('F0 8F', FFFDx2), ('F0 C0', FFFDx2), ('F0 FF', FFFDx2), - ('F0 90 00', FFFD+'\x00'), ('F0 90 7F', FFFD+'\x7f'), - ('F0 90 C0', FFFDx2), ('F0 90 FF', FFFDx2), - ('F0 BF 00', FFFD+'\x00'), ('F0 BF 7F', FFFD+'\x7f'), - ('F0 BF C0', FFFDx2), ('F0 BF FF', FFFDx2), - ('F0 90 80 00', FFFD+'\x00'), ('F0 90 80 7F', FFFD+'\x7f'), - ('F0 90 80 C0', FFFDx2), ('F0 90 80 FF', FFFDx2), - ('F0 90 BF 00', FFFD+'\x00'), ('F0 90 BF 7F', FFFD+'\x7f'), - ('F0 90 BF C0', FFFDx2), ('F0 90 BF FF', FFFDx2), - ('F0 BF 80 00', FFFD+'\x00'), ('F0 BF 80 7F', FFFD+'\x7f'), - ('F0 BF 80 C0', FFFDx2), ('F0 BF 80 FF', FFFDx2), - ('F0 BF BF 00', FFFD+'\x00'), ('F0 BF BF 7F', FFFD+'\x7f'), - ('F0 BF BF C0', FFFDx2), ('F0 BF BF FF', FFFDx2), - ('F1 00', FFFD+'\x00'), ('F1 7F', FFFD+'\x7f'), ('F1 C0', FFFDx2), - ('F1 FF', FFFDx2), ('F1 80 00', FFFD+'\x00'), - ('F1 80 7F', FFFD+'\x7f'), ('F1 80 C0', FFFDx2), - ('F1 80 FF', FFFDx2), ('F1 BF 00', FFFD+'\x00'), - ('F1 BF 7F', FFFD+'\x7f'), ('F1 BF C0', FFFDx2), - ('F1 BF FF', FFFDx2), ('F1 80 80 00', FFFD+'\x00'), - ('F1 80 80 7F', FFFD+'\x7f'), ('F1 80 80 C0', FFFDx2), - ('F1 80 80 FF', FFFDx2), ('F1 80 BF 00', FFFD+'\x00'), - ('F1 80 BF 7F', FFFD+'\x7f'), ('F1 80 BF C0', FFFDx2), - ('F1 80 BF FF', FFFDx2), ('F1 BF 80 00', FFFD+'\x00'), - ('F1 BF 80 7F', FFFD+'\x7f'), ('F1 BF 80 C0', FFFDx2), - ('F1 BF 80 FF', FFFDx2), ('F1 BF BF 00', FFFD+'\x00'), - ('F1 BF BF 7F', FFFD+'\x7f'), ('F1 BF BF C0', FFFDx2), - ('F1 BF BF FF', FFFDx2), ('F3 00', FFFD+'\x00'), - ('F3 7F', FFFD+'\x7f'), ('F3 C0', FFFDx2), ('F3 FF', FFFDx2), - ('F3 80 00', FFFD+'\x00'), ('F3 80 7F', FFFD+'\x7f'), - ('F3 80 C0', FFFDx2), ('F3 80 FF', FFFDx2), - ('F3 BF 00', FFFD+'\x00'), ('F3 BF 7F', FFFD+'\x7f'), - ('F3 BF C0', FFFDx2), ('F3 BF FF', FFFDx2), - ('F3 80 80 00', FFFD+'\x00'), ('F3 80 80 7F', FFFD+'\x7f'), - ('F3 80 80 C0', FFFDx2), ('F3 80 80 FF', FFFDx2), - ('F3 80 BF 00', FFFD+'\x00'), ('F3 80 BF 7F', FFFD+'\x7f'), - ('F3 80 BF C0', FFFDx2), ('F3 80 BF FF', FFFDx2), - ('F3 BF 80 00', FFFD+'\x00'), ('F3 BF 80 7F', FFFD+'\x7f'), - ('F3 BF 80 C0', FFFDx2), ('F3 BF 80 FF', FFFDx2), - ('F3 BF BF 00', FFFD+'\x00'), ('F3 BF BF 7F', FFFD+'\x7f'), - ('F3 BF BF C0', FFFDx2), ('F3 BF BF FF', FFFDx2), - ('F4 00', FFFD+'\x00'), ('F4 7F', FFFD+'\x7f'), ('F4 90', FFFDx2), - ('F4 BF', FFFDx2), ('F4 C0', FFFDx2), ('F4 FF', FFFDx2), - ('F4 80 00', FFFD+'\x00'), ('F4 80 7F', FFFD+'\x7f'), - ('F4 80 C0', FFFDx2), ('F4 80 FF', FFFDx2), - ('F4 8F 00', FFFD+'\x00'), ('F4 8F 7F', FFFD+'\x7f'), - ('F4 8F C0', FFFDx2), ('F4 8F FF', FFFDx2), - ('F4 80 80 00', FFFD+'\x00'), ('F4 80 80 7F', FFFD+'\x7f'), - ('F4 80 80 C0', FFFDx2), ('F4 80 80 FF', FFFDx2), - ('F4 80 BF 00', FFFD+'\x00'), ('F4 80 BF 7F', FFFD+'\x7f'), - ('F4 80 BF C0', FFFDx2), ('F4 80 BF FF', FFFDx2), - ('F4 8F 80 00', FFFD+'\x00'), ('F4 8F 80 7F', FFFD+'\x7f'), - ('F4 8F 80 C0', FFFDx2), ('F4 8F 80 FF', FFFDx2), - ('F4 8F BF 00', FFFD+'\x00'), ('F4 8F BF 7F', FFFD+'\x7f'), - ('F4 8F BF C0', FFFDx2), ('F4 8F BF FF', FFFDx2) - ] - for seq, res in sequences: - self.assertCorrectUTF8Decoding(bytes.fromhex(seq), res, - 'invalid continuation byte') - - def test_codecs_idna(self): - # Test whether trailing dot is preserved - self.assertEqual("www.python.org.".encode("idna"), b"www.python.org.") - - def test_codecs_errors(self): - # Error handling (encoding) - self.assertRaises(UnicodeError, 'Andr\202 x'.encode, 'ascii') - self.assertRaises(UnicodeError, 'Andr\202 x'.encode, 'ascii','strict') - self.assertEqual('Andr\202 x'.encode('ascii','ignore'), b"Andr x") - self.assertEqual('Andr\202 x'.encode('ascii','replace'), b"Andr? x") - self.assertEqual('Andr\202 x'.encode('ascii', 'replace'), - 'Andr\202 x'.encode('ascii', errors='replace')) - self.assertEqual('Andr\202 x'.encode('ascii', 'ignore'), - 'Andr\202 x'.encode(encoding='ascii', errors='ignore')) - - # Error handling (decoding) - self.assertRaises(UnicodeError, str, b'Andr\202 x', 'ascii') - self.assertRaises(UnicodeError, str, b'Andr\202 x', 'ascii', 'strict') - self.assertEqual(str(b'Andr\202 x', 'ascii', 'ignore'), "Andr x") - self.assertEqual(str(b'Andr\202 x', 'ascii', 'replace'), 'Andr\uFFFD x') - self.assertEqual(str(b'\202 x', 'ascii', 'replace'), '\uFFFD x') - - # Error handling (unknown character names) - self.assertEqual(b"\\N{foo}xx".decode("unicode-escape", "ignore"), "xx") - - # Error handling (truncated escape sequence) - self.assertRaises(UnicodeError, b"\\".decode, "unicode-escape") - - self.assertRaises(TypeError, b"hello".decode, "test.unicode1") - self.assertRaises(TypeError, str, b"hello", "test.unicode2") - self.assertRaises(TypeError, "hello".encode, "test.unicode1") - self.assertRaises(TypeError, "hello".encode, "test.unicode2") - - # Error handling (wrong arguments) - self.assertRaises(TypeError, "hello".encode, 42, 42, 42) - - # Error handling (lone surrogate in - # _PyUnicode_TransformDecimalAndSpaceToASCII()) - self.assertRaises(ValueError, int, "\ud800") - self.assertRaises(ValueError, int, "\udf00") - self.assertRaises(ValueError, float, "\ud800") - self.assertRaises(ValueError, float, "\udf00") - self.assertRaises(ValueError, complex, "\ud800") - self.assertRaises(ValueError, complex, "\udf00") - - def test_codecs(self): - # Encoding - self.assertEqual('hello'.encode('ascii'), b'hello') - self.assertEqual('hello'.encode('utf-7'), b'hello') - self.assertEqual('hello'.encode('utf-8'), b'hello') - self.assertEqual('hello'.encode('utf-8'), b'hello') - self.assertEqual('hello'.encode('utf-16-le'), b'h\000e\000l\000l\000o\000') - self.assertEqual('hello'.encode('utf-16-be'), b'\000h\000e\000l\000l\000o') - self.assertEqual('hello'.encode('latin-1'), b'hello') - - # Default encoding is utf-8 - self.assertEqual('\u2603'.encode(), b'\xe2\x98\x83') - - # Roundtrip safety for BMP (just the first 1024 chars) - for c in range(1024): - u = chr(c) - for encoding in ('utf-7', 'utf-8', 'utf-16', 'utf-16-le', - 'utf-16-be', 'raw_unicode_escape', - 'unicode_escape'): - self.assertEqual(str(u.encode(encoding),encoding), u) - - # Roundtrip safety for BMP (just the first 256 chars) - for c in range(256): - u = chr(c) - for encoding in ('latin-1',): - self.assertEqual(str(u.encode(encoding),encoding), u) - - # Roundtrip safety for BMP (just the first 128 chars) - for c in range(128): - u = chr(c) - for encoding in ('ascii',): - self.assertEqual(str(u.encode(encoding),encoding), u) - - # Roundtrip safety for non-BMP (just a few chars) - with warnings.catch_warnings(): - u = '\U00010001\U00020002\U00030003\U00040004\U00050005' - for encoding in ('utf-8', 'utf-16', 'utf-16-le', 'utf-16-be', - 'raw_unicode_escape', 'unicode_escape'): - self.assertEqual(str(u.encode(encoding),encoding), u) - - # UTF-8 must be roundtrip safe for all code points - # (except surrogates, which are forbidden). - u = ''.join(map(chr, list(range(0, 0xd800)) + - list(range(0xe000, 0x110000)))) - for encoding in ('utf-8',): - self.assertEqual(str(u.encode(encoding),encoding), u) - - def test_codecs_charmap(self): - # 0-127 - s = bytes(range(128)) - for encoding in ( - 'cp037', 'cp1026', 'cp273', - 'cp437', 'cp500', 'cp720', 'cp737', 'cp775', 'cp850', - 'cp852', 'cp855', 'cp858', 'cp860', 'cp861', 'cp862', - 'cp863', 'cp865', 'cp866', 'cp1125', - 'iso8859_10', 'iso8859_13', 'iso8859_14', 'iso8859_15', - 'iso8859_2', 'iso8859_3', 'iso8859_4', 'iso8859_5', 'iso8859_6', - 'iso8859_7', 'iso8859_9', - 'koi8_r', 'koi8_t', 'koi8_u', 'kz1048', 'latin_1', - 'mac_cyrillic', 'mac_latin2', - - 'cp1250', 'cp1251', 'cp1252', 'cp1253', 'cp1254', 'cp1255', - 'cp1256', 'cp1257', 'cp1258', - 'cp856', 'cp857', 'cp864', 'cp869', 'cp874', - - 'mac_greek', 'mac_iceland','mac_roman', 'mac_turkish', - 'cp1006', 'iso8859_8', - - ### These have undefined mappings: - #'cp424', - - ### These fail the round-trip: - #'cp875' - - ): - self.assertEqual(str(s, encoding).encode(encoding), s) - - # 128-255 - s = bytes(range(128, 256)) - for encoding in ( - 'cp037', 'cp1026', 'cp273', - 'cp437', 'cp500', 'cp720', 'cp737', 'cp775', 'cp850', - 'cp852', 'cp855', 'cp858', 'cp860', 'cp861', 'cp862', - 'cp863', 'cp865', 'cp866', 'cp1125', - 'iso8859_10', 'iso8859_13', 'iso8859_14', 'iso8859_15', - 'iso8859_2', 'iso8859_4', 'iso8859_5', - 'iso8859_9', 'koi8_r', 'koi8_u', 'latin_1', - 'mac_cyrillic', 'mac_latin2', - - ### These have undefined mappings: - #'cp1250', 'cp1251', 'cp1252', 'cp1253', 'cp1254', 'cp1255', - #'cp1256', 'cp1257', 'cp1258', - #'cp424', 'cp856', 'cp857', 'cp864', 'cp869', 'cp874', - #'iso8859_3', 'iso8859_6', 'iso8859_7', 'koi8_t', 'kz1048', - #'mac_greek', 'mac_iceland','mac_roman', 'mac_turkish', - - ### These fail the round-trip: - #'cp1006', 'cp875', 'iso8859_8', - - ): - self.assertEqual(str(s, encoding).encode(encoding), s) - - def test_concatenation(self): - self.assertEqual(("abc" "def"), "abcdef") - self.assertEqual(("abc" "def"), "abcdef") - self.assertEqual(("abc" "def"), "abcdef") - self.assertEqual(("abc" "def" "ghi"), "abcdefghi") - self.assertEqual(("abc" "def" "ghi"), "abcdefghi") - - def test_ucs4(self): - x = '\U00100000' - y = x.encode("raw-unicode-escape").decode("raw-unicode-escape") - self.assertEqual(x, y) - - y = br'\U00100000' - x = y.decode("raw-unicode-escape").encode("raw-unicode-escape") - self.assertEqual(x, y) - y = br'\U00010000' - x = y.decode("raw-unicode-escape").encode("raw-unicode-escape") - self.assertEqual(x, y) - - try: - br'\U11111111'.decode("raw-unicode-escape") - except UnicodeDecodeError as e: - self.assertEqual(e.start, 0) - self.assertEqual(e.end, 10) - else: - self.fail("Should have raised UnicodeDecodeError") - - def test_conversion(self): - # Make sure __str__() works properly - class ObjectToStr: - def __str__(self): - return "foo" - - class StrSubclassToStr(str): - def __str__(self): - return "foo" - - class StrSubclassToStrSubclass(str): - def __new__(cls, content=""): - return str.__new__(cls, 2*content) - def __str__(self): - return self - - self.assertEqual(str(ObjectToStr()), "foo") - self.assertEqual(str(StrSubclassToStr("bar")), "foo") - s = str(StrSubclassToStrSubclass("foo")) - self.assertEqual(s, "foofoo") - self.assertIs(type(s), StrSubclassToStrSubclass) - s = StrSubclass(StrSubclassToStrSubclass("foo")) - self.assertEqual(s, "foofoo") - self.assertIs(type(s), StrSubclass) - - def test_unicode_repr(self): - class s1: - def __repr__(self): - return '\\n' - - self.assertEqual(repr(s1()), '\\n') - - def test_printable_repr(self): - self.assertEqual(repr('\U00010000'), "'%c'" % (0x10000,)) # printable - self.assertEqual(repr('\U00014000'), "'\\U00014000'") # nonprintable - - # This test only affects 32-bit platforms because expandtabs can only take - # an int as the max value, not a 64-bit C long. If expandtabs is changed - # to take a 64-bit long, this test should apply to all platforms. - @unittest.skipIf(sys.maxsize > (1 << 32) or struct.calcsize('P') != 4, - 'only applies to 32-bit platforms') - def test_expandtabs_overflows_gracefully(self): - self.assertRaises(OverflowError, 't\tt\t'.expandtabs, sys.maxsize) - - @support.cpython_only - def test_expandtabs_optimization(self): - s = 'abc' - self.assertIs(s.expandtabs(), s) - - def test_raiseMemError(self): - asciifields = "nnb" - compactfields = asciifields + "nP" - ascii_struct_size = support.calcobjsize(asciifields) - compact_struct_size = support.calcobjsize(compactfields) - - for char in ('a', '\xe9', '\u20ac', '\U0010ffff'): - code = ord(char) - if code < 0x80: - char_size = 1 # sizeof(Py_UCS1) - struct_size = ascii_struct_size - elif code < 0x100: - char_size = 1 # sizeof(Py_UCS1) - struct_size = compact_struct_size - elif code < 0x10000: - char_size = 2 # sizeof(Py_UCS2) - struct_size = compact_struct_size - else: - char_size = 4 # sizeof(Py_UCS4) - struct_size = compact_struct_size - # Note: sys.maxsize is half of the actual max allocation because of - # the signedness of Py_ssize_t. Strings of maxlen-1 should in principle - # be allocatable, given enough memory. - maxlen = ((sys.maxsize - struct_size) // char_size) - alloc = lambda: char * maxlen - with self.subTest( - char=char, - struct_size=struct_size, - char_size=char_size - ): - # self-check - self.assertEqual( - sys.getsizeof(char * 42), - struct_size + (char_size * (42 + 1)) - ) - self.assertRaises(MemoryError, alloc) - self.assertRaises(MemoryError, alloc) - - def test_format_subclass(self): - class S(str): - def __str__(self): - return '__str__ overridden' - s = S('xxx') - self.assertEqual("%s" % s, '__str__ overridden') - self.assertEqual("{}".format(s), '__str__ overridden') - - def test_subclass_add(self): - class S(str): - def __add__(self, o): - return "3" - self.assertEqual(S("4") + S("5"), "3") - class S(str): - def __iadd__(self, o): - return "3" - s = S("1") - s += "4" - self.assertEqual(s, "3") - - def test_getnewargs(self): - text = 'abc' - args = text.__getnewargs__() - self.assertIsNot(args[0], text) - self.assertEqual(args[0], text) - self.assertEqual(len(args), 1) - - @support.cpython_only - @support.requires_legacy_unicode_capi - @unittest.skipIf(_testcapi is None, 'need _testcapi module') - def test_resize(self): - for length in range(1, 100, 7): - # generate a fresh string (refcount=1) - text = 'a' * length + 'b' - - # fill wstr internal field - with self.assertWarns(DeprecationWarning): - abc = _testcapi.getargs_u(text) - self.assertEqual(abc, text) - - # resize text: wstr field must be cleared and then recomputed - text += 'c' - with self.assertWarns(DeprecationWarning): - abcdef = _testcapi.getargs_u(text) - self.assertNotEqual(abc, abcdef) - self.assertEqual(abcdef, text) - - def test_compare(self): - # Issue #17615 - N = 10 - ascii = 'a' * N - ascii2 = 'z' * N - latin = '\x80' * N - latin2 = '\xff' * N - bmp = '\u0100' * N - bmp2 = '\uffff' * N - astral = '\U00100000' * N - astral2 = '\U0010ffff' * N - strings = ( - ascii, ascii2, - latin, latin2, - bmp, bmp2, - astral, astral2) - for text1, text2 in itertools.combinations(strings, 2): - equal = (text1 is text2) - self.assertEqual(text1 == text2, equal) - self.assertEqual(text1 != text2, not equal) - - if equal: - self.assertTrue(text1 <= text2) - self.assertTrue(text1 >= text2) - - # text1 is text2: duplicate strings to skip the "str1 == str2" - # optimization in unicode_compare_eq() and really compare - # character per character - copy1 = duplicate_string(text1) - copy2 = duplicate_string(text2) - self.assertIsNot(copy1, copy2) - - self.assertTrue(copy1 == copy2) - self.assertFalse(copy1 != copy2) - - self.assertTrue(copy1 <= copy2) - self.assertTrue(copy2 >= copy2) - - self.assertTrue(ascii < ascii2) - self.assertTrue(ascii < latin) - self.assertTrue(ascii < bmp) - self.assertTrue(ascii < astral) - self.assertFalse(ascii >= ascii2) - self.assertFalse(ascii >= latin) - self.assertFalse(ascii >= bmp) - self.assertFalse(ascii >= astral) - - self.assertFalse(latin < ascii) - self.assertTrue(latin < latin2) - self.assertTrue(latin < bmp) - self.assertTrue(latin < astral) - self.assertTrue(latin >= ascii) - self.assertFalse(latin >= latin2) - self.assertFalse(latin >= bmp) - self.assertFalse(latin >= astral) - - self.assertFalse(bmp < ascii) - self.assertFalse(bmp < latin) - self.assertTrue(bmp < bmp2) - self.assertTrue(bmp < astral) - self.assertTrue(bmp >= ascii) - self.assertTrue(bmp >= latin) - self.assertFalse(bmp >= bmp2) - self.assertFalse(bmp >= astral) - - self.assertFalse(astral < ascii) - self.assertFalse(astral < latin) - self.assertFalse(astral < bmp2) - self.assertTrue(astral < astral2) - self.assertTrue(astral >= ascii) - self.assertTrue(astral >= latin) - self.assertTrue(astral >= bmp2) - self.assertFalse(astral >= astral2) - - def test_free_after_iterating(self): - support.check_free_after_iterating(self, iter, str) - support.check_free_after_iterating(self, reversed, str) - - def test_check_encoding_errors(self): - # bpo-37388: str(bytes) and str.decode() must check encoding and errors - # arguments in dev mode - encodings = ('ascii', 'utf8', 'latin1') - invalid = 'Boom, Shaka Laka, Boom!' - code = textwrap.dedent(f''' - import sys - encodings = {encodings!r} - - for data in (b'', b'short string'): - try: - str(data, encoding={invalid!r}) - except LookupError: - pass - else: - sys.exit(21) - - try: - str(data, errors={invalid!r}) - except LookupError: - pass - else: - sys.exit(22) - - for encoding in encodings: - try: - str(data, encoding, errors={invalid!r}) - except LookupError: - pass - else: - sys.exit(22) - - for data in ('', 'short string'): - try: - data.encode(encoding={invalid!r}) - except LookupError: - pass - else: - sys.exit(23) - - try: - data.encode(errors={invalid!r}) - except LookupError: - pass - else: - sys.exit(24) - - for encoding in encodings: - try: - data.encode(encoding, errors={invalid!r}) - except LookupError: - pass - else: - sys.exit(24) - - sys.exit(10) - ''') - proc = assert_python_failure('-X', 'dev', '-c', code) - self.assertEqual(proc.rc, 10, proc) - - -class StringModuleTest(unittest.TestCase): - def test_formatter_parser(self): - def parse(format): - return list(_string.formatter_parser(format)) - - formatter = parse("prefix {2!s}xxx{0:^+10.3f}{obj.attr!s} {z[0]!s:10}") - self.assertEqual(formatter, [ - ('prefix ', '2', '', 's'), - ('xxx', '0', '^+10.3f', None), - ('', 'obj.attr', '', 's'), - (' ', 'z[0]', '10', 's'), - ]) - - formatter = parse("prefix {} suffix") - self.assertEqual(formatter, [ - ('prefix ', '', '', None), - (' suffix', None, None, None), - ]) - - formatter = parse("str") - self.assertEqual(formatter, [ - ('str', None, None, None), - ]) - - formatter = parse("") - self.assertEqual(formatter, []) - - formatter = parse("{0}") - self.assertEqual(formatter, [ - ('', '0', '', None), - ]) - - self.assertRaises(TypeError, _string.formatter_parser, 1) - - def test_formatter_field_name_split(self): - def split(name): - items = list(_string.formatter_field_name_split(name)) - items[1] = list(items[1]) - return items - self.assertEqual(split("obj"), ["obj", []]) - self.assertEqual(split("obj.arg"), ["obj", [(True, 'arg')]]) - self.assertEqual(split("obj[key]"), ["obj", [(False, 'key')]]) - self.assertEqual(split("obj.arg[key1][key2]"), [ - "obj", - [(True, 'arg'), - (False, 'key1'), - (False, 'key2'), - ]]) - self.assertRaises(TypeError, _string.formatter_field_name_split, 1) - - def test_str_subclass_attr(self): - - name = StrSubclass("name") - name2 = StrSubclass("name2") - class Bag: - pass - - o = Bag() - with self.assertRaises(AttributeError): - delattr(o, name) - setattr(o, name, 1) - self.assertEqual(o.name, 1) - o.name = 2 - self.assertEqual(list(o.__dict__), [name]) - - with self.assertRaises(AttributeError): - delattr(o, name2) - with self.assertRaises(AttributeError): - del o.name2 - setattr(o, name2, 3) - self.assertEqual(o.name2, 3) - o.name2 = 4 - self.assertEqual(list(o.__dict__), [name, name2]) - - -if __name__ == "__main__": - unittest.main() |