diff options
Diffstat (limited to 'Lib/test/test_unicode.py')
| -rw-r--r-- | Lib/test/test_unicode.py | 333 |
1 files changed, 285 insertions, 48 deletions
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index 2e30145..382b463 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -7,6 +7,7 @@ Written by Marc-Andre Lemburg (mal@lemburg.com). """#" import _string import codecs +import itertools import struct import sys import unittest @@ -31,6 +32,16 @@ def search_function(encoding): return None codecs.register(search_function) +def duplicate_string(text): + """ + Try to get a fresh clone of the specified text: + new object with a reference count of 1. + + This is a best-effort: latin1 single letters and the empty + string ('') are singletons and cannot be cloned. + """ + return text.encode().decode() + class UnicodeTest(string_tests.CommonTest, string_tests.MixinStrUnicodeUserStringTest, string_tests.MixinStrUnicodeTest, @@ -854,11 +865,9 @@ class UnicodeTest(string_tests.CommonTest, self.assertEqual('{0:d}'.format(G('data')), 'G(data)') self.assertEqual('{0!s}'.format(G('data')), 'string is data') - msg = 'object.__format__ with a non-empty format string is deprecated' - with support.check_warnings((msg, DeprecationWarning)): - self.assertEqual('{0:^10}'.format(E('data')), ' E(data) ') - self.assertEqual('{0:^10s}'.format(E('data')), ' E(data) ') - self.assertEqual('{0:>15s}'.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, @@ -894,7 +903,7 @@ class UnicodeTest(string_tests.CommonTest, self.assertRaises(ValueError, "{0".format) self.assertRaises(IndexError, "{0.}".format) self.assertRaises(ValueError, "{0.}".format, 0) - self.assertRaises(IndexError, "{0[}".format) + self.assertRaises(ValueError, "{0[}".format) self.assertRaises(ValueError, "{0[}".format, []) self.assertRaises(KeyError, "{0]}".format) self.assertRaises(ValueError, "{0.[]}".format, 0) @@ -946,6 +955,14 @@ class UnicodeTest(string_tests.CommonTest, '') 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) def test_format_map(self): self.assertEqual(''.format_map({}), '') @@ -1997,9 +2014,10 @@ class UnicodeTest(string_tests.CommonTest, # Test PyUnicode_FromFormat() def test_from_format(self): support.import_module('ctypes') - from ctypes import (pythonapi, py_object, + from ctypes import ( + pythonapi, py_object, sizeof, c_int, c_long, c_longlong, c_ssize_t, - c_uint, c_ulong, c_ulonglong, c_size_t) + c_uint, c_ulong, c_ulonglong, c_size_t, c_void_p) name = "PyUnicode_FromFormat" _PyUnicode_FromFormat = getattr(pythonapi, name) _PyUnicode_FromFormat.restype = py_object @@ -2010,9 +2028,13 @@ class UnicodeTest(string_tests.CommonTest, for arg in args) return _PyUnicode_FromFormat(format, *cargs) + def check_format(expected, format, *args): + text = PyUnicode_FromFormat(format, *args) + self.assertEqual(expected, text) + # ascii format, non-ascii argument - text = PyUnicode_FromFormat(b'ascii\x7f=%U', 'unicode\xe9') - self.assertEqual(text, 'ascii\x7f=unicode\xe9') + check_format('ascii\x7f=unicode\xe9', + b'ascii\x7f=%U', 'unicode\xe9') # non-ascii format, ascii argument: ensure that PyUnicode_FromFormatV() # raises an error @@ -2022,62 +2044,203 @@ class UnicodeTest(string_tests.CommonTest, PyUnicode_FromFormat, b'unicode\xe9=%s', 'ascii') # test "%c" - self.assertEqual(PyUnicode_FromFormat(b'%c', c_int(0xabcd)), '\uabcd') - self.assertEqual(PyUnicode_FromFormat(b'%c', c_int(0x10ffff)), '\U0010ffff') + check_format('\uabcd', + b'%c', c_int(0xabcd)) + check_format('\U0010ffff', + b'%c', c_int(0x10ffff)) # Issue #18183 - self.assertEqual( - PyUnicode_FromFormat(b'%c%c', c_int(0x10000), c_int(0x100000)), - '\U00010000\U00100000') + check_format('\U00010000\U00100000', + b'%c%c', c_int(0x10000), c_int(0x100000)) # test "%" - self.assertEqual(PyUnicode_FromFormat(b'%'), '%') - self.assertEqual(PyUnicode_FromFormat(b'%%'), '%') - self.assertEqual(PyUnicode_FromFormat(b'%%s'), '%s') - self.assertEqual(PyUnicode_FromFormat(b'[%%]'), '[%]') - self.assertEqual(PyUnicode_FromFormat(b'%%%s', b'abc'), '%abc') + check_format('%', + b'%') + check_format('%', + b'%%') + check_format('%s', + b'%%s') + check_format('[%]', + b'[%%]') + check_format('%abc', + b'%%%s', b'abc') + + # truncated string + check_format('abc', + b'%.3s', b'abcdef') + check_format('abc[\ufffd', + b'%.5s', 'abc[\u20ac]'.encode('utf8')) + check_format("'\\u20acABC'", + b'%A', '\u20acABC') + check_format("'\\u20", + b'%.5A', '\u20acABCDEF') + check_format("'\u20acABC'", + b'%R', '\u20acABC') + check_format("'\u20acA", + b'%.3R', '\u20acABCDEF') + check_format('\u20acAB', + b'%.3S', '\u20acABCDEF') + check_format('\u20acAB', + b'%.3U', '\u20acABCDEF') + check_format('\u20acAB', + b'%.3V', '\u20acABCDEF', None) + check_format('abc[\ufffd', + b'%.5V', None, 'abc[\u20ac]'.encode('utf8')) + + # following tests comes from #7330 + # test width modifier and precision modifier with %S + check_format("repr= abc", + b'repr=%5S', 'abc') + check_format("repr=ab", + b'repr=%.2S', 'abc') + check_format("repr= ab", + b'repr=%5.2S', 'abc') + + # test width modifier and precision modifier with %R + check_format("repr= 'abc'", + b'repr=%8R', 'abc') + check_format("repr='ab", + b'repr=%.3R', 'abc') + check_format("repr= 'ab", + b'repr=%5.3R', 'abc') + + # test width modifier and precision modifier with %A + check_format("repr= 'abc'", + b'repr=%8A', 'abc') + check_format("repr='ab", + b'repr=%.3A', 'abc') + check_format("repr= 'ab", + b'repr=%5.3A', 'abc') + + # test width modifier and precision modifier with %s + check_format("repr= abc", + b'repr=%5s', b'abc') + check_format("repr=ab", + b'repr=%.2s', b'abc') + check_format("repr= ab", + b'repr=%5.2s', b'abc') + + # test width modifier and precision modifier with %U + check_format("repr= abc", + b'repr=%5U', 'abc') + check_format("repr=ab", + b'repr=%.2U', 'abc') + check_format("repr= ab", + b'repr=%5.2U', 'abc') + + # test width modifier and precision modifier with %V + check_format("repr= abc", + b'repr=%5V', 'abc', b'123') + check_format("repr=ab", + b'repr=%.2V', 'abc', b'123') + check_format("repr= ab", + b'repr=%5.2V', 'abc', b'123') + check_format("repr= 123", + b'repr=%5V', None, b'123') + check_format("repr=12", + b'repr=%.2V', None, b'123') + check_format("repr= 12", + b'repr=%5.2V', None, b'123') # test integer formats (%i, %d, %u) - self.assertEqual(PyUnicode_FromFormat(b'%03i', c_int(10)), '010') - self.assertEqual(PyUnicode_FromFormat(b'%0.4i', c_int(10)), '0010') - self.assertEqual(PyUnicode_FromFormat(b'%i', c_int(-123)), '-123') - self.assertEqual(PyUnicode_FromFormat(b'%li', c_long(-123)), '-123') - self.assertEqual(PyUnicode_FromFormat(b'%lli', c_longlong(-123)), '-123') - self.assertEqual(PyUnicode_FromFormat(b'%zi', c_ssize_t(-123)), '-123') - - self.assertEqual(PyUnicode_FromFormat(b'%d', c_int(-123)), '-123') - self.assertEqual(PyUnicode_FromFormat(b'%ld', c_long(-123)), '-123') - self.assertEqual(PyUnicode_FromFormat(b'%lld', c_longlong(-123)), '-123') - self.assertEqual(PyUnicode_FromFormat(b'%zd', c_ssize_t(-123)), '-123') - - self.assertEqual(PyUnicode_FromFormat(b'%u', c_uint(123)), '123') - self.assertEqual(PyUnicode_FromFormat(b'%lu', c_ulong(123)), '123') - self.assertEqual(PyUnicode_FromFormat(b'%llu', c_ulonglong(123)), '123') - self.assertEqual(PyUnicode_FromFormat(b'%zu', c_size_t(123)), '123') + check_format('010', + b'%03i', c_int(10)) + check_format('0010', + b'%0.4i', c_int(10)) + check_format('-123', + b'%i', c_int(-123)) + check_format('-123', + b'%li', c_long(-123)) + check_format('-123', + b'%lli', c_longlong(-123)) + check_format('-123', + b'%zi', c_ssize_t(-123)) + + check_format('-123', + b'%d', c_int(-123)) + check_format('-123', + b'%ld', c_long(-123)) + check_format('-123', + b'%lld', c_longlong(-123)) + check_format('-123', + b'%zd', c_ssize_t(-123)) + + check_format('123', + b'%u', c_uint(123)) + check_format('123', + b'%lu', c_ulong(123)) + check_format('123', + b'%llu', c_ulonglong(123)) + check_format('123', + b'%zu', c_size_t(123)) + + # test long output + min_longlong = -(2 ** (8 * sizeof(c_longlong) - 1)) + max_longlong = -min_longlong - 1 + check_format(str(min_longlong), + b'%lld', c_longlong(min_longlong)) + check_format(str(max_longlong), + b'%lld', c_longlong(max_longlong)) + max_ulonglong = 2 ** (8 * sizeof(c_ulonglong)) - 1 + check_format(str(max_ulonglong), + b'%llu', c_ulonglong(max_ulonglong)) + PyUnicode_FromFormat(b'%p', c_void_p(-1)) + + # test padding (width and/or precision) + check_format('123'.rjust(10, '0'), + b'%010i', c_int(123)) + check_format('123'.rjust(100), + b'%100i', c_int(123)) + check_format('123'.rjust(100, '0'), + b'%.100i', c_int(123)) + check_format('123'.rjust(80, '0').rjust(100), + b'%100.80i', c_int(123)) + + check_format('123'.rjust(10, '0'), + b'%010u', c_uint(123)) + check_format('123'.rjust(100), + b'%100u', c_uint(123)) + check_format('123'.rjust(100, '0'), + b'%.100u', c_uint(123)) + check_format('123'.rjust(80, '0').rjust(100), + b'%100.80u', c_uint(123)) + + check_format('123'.rjust(10, '0'), + b'%010x', c_int(0x123)) + check_format('123'.rjust(100), + b'%100x', c_int(0x123)) + check_format('123'.rjust(100, '0'), + b'%.100x', c_int(0x123)) + check_format('123'.rjust(80, '0').rjust(100), + b'%100.80x', c_int(0x123)) # test %A - text = PyUnicode_FromFormat(b'%%A:%A', 'abc\xe9\uabcd\U0010ffff') - self.assertEqual(text, r"%A:'abc\xe9\uabcd\U0010ffff'") + check_format(r"%A:'abc\xe9\uabcd\U0010ffff'", + b'%%A:%A', 'abc\xe9\uabcd\U0010ffff') # test %V - text = PyUnicode_FromFormat(b'repr=%V', 'abc', b'xyz') - self.assertEqual(text, 'repr=abc') + check_format('repr=abc', + b'repr=%V', 'abc', b'xyz') # Test string decode from parameter of %s using utf-8. # b'\xe4\xba\xba\xe6\xb0\x91' is utf-8 encoded byte sequence of # '\u4eba\u6c11' - text = PyUnicode_FromFormat(b'repr=%V', None, b'\xe4\xba\xba\xe6\xb0\x91') - self.assertEqual(text, 'repr=\u4eba\u6c11') + check_format('repr=\u4eba\u6c11', + b'repr=%V', None, b'\xe4\xba\xba\xe6\xb0\x91') #Test replace error handler. - text = PyUnicode_FromFormat(b'repr=%V', None, b'abc\xff') - self.assertEqual(text, 'repr=abc\ufffd') + check_format('repr=abc\ufffd', + b'repr=%V', None, b'abc\xff') # not supported: copy the raw format string. these tests are just here # to check for crashs and should not be considered as specifications - self.assertEqual(PyUnicode_FromFormat(b'%1%s', b'abc'), '%s') - self.assertEqual(PyUnicode_FromFormat(b'%1abc'), '%1abc') - self.assertEqual(PyUnicode_FromFormat(b'%+i', c_int(10)), '%+i') - self.assertEqual(PyUnicode_FromFormat(b'%.%s', b'abc'), '%.%s') + check_format('%s', + b'%1%s', b'abc') + check_format('%1abc', + b'%1abc') + check_format('%+i', + b'%+i', c_int(10)) + check_format('%.%s', + b'%.%s', b'abc') # Test PyUnicode_AsWideChar() def test_aswidechar(self): @@ -2201,6 +2364,80 @@ class UnicodeTest(string_tests.CommonTest, self.assertNotEqual(abc, abcdef) self.assertEqual(abcdef.decode('unicode_internal'), 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) + class StringModuleTest(unittest.TestCase): def test_formatter_parser(self): |