/IronPython_Main/Languages/IronPython/Tests/modules/io_related/re_test.py
Python | 808 lines | 734 code | 38 blank | 36 comment | 11 complexity | 5aa86e63ff74d5633a52da6de0413221 MD5 | raw file
Possible License(s): GPL-2.0, MPL-2.0-no-copyleft-exception, CPL-1.0, CC-BY-SA-3.0, BSD-3-Clause, ISC, AGPL-3.0, LGPL-2.1, Apache-2.0
- #####################################################################################
- #
- # Copyright (c) Microsoft Corporation. All rights reserved.
- #
- # This source code is subject to terms and conditions of the Apache License, Version 2.0. A
- # copy of the license can be found in the License.html file at the root of this distribution. If
- # you cannot locate the Apache License, Version 2.0, please send an email to
- # ironpy@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
- # by the terms of the Apache License, Version 2.0.
- #
- # You must not remove this notice, or any other, from this software.
- #
- #
- #####################################################################################
-
- from iptest.assert_util import *
-
- import re
-
- def test_none():
- for x in 'compile search match split findall finditer'.split():
- y = getattr(re, x)
- AssertError(TypeError, y, None)
- AssertError(TypeError, y, None, None)
- AssertError(TypeError, y, None, 'abc')
- AssertError(TypeError, y, 'abc', None)
-
- # Other exceptional input tests
- for x in (re.sub, re.subn):
- AssertError(TypeError, x, 'abc', None, 'abc')
- AssertError(TypeError, x, 'abc', None, None)
- AssertError(TypeError, x, None, 'abc', 'abc')
- AssertError(TypeError, x, 'abc', 'abc', None)
-
- AssertError(TypeError, re.escape, None)
-
-
- def test_sanity_re():
- '''
- Basic sanity tests for the re module. Each module member is
- used at least once.
- '''
- #compile
- Assert(hasattr(re.compile("(abc){1}"), "pattern"))
- Assert(hasattr(re.compile("(abc){1}", re.L), "pattern"))
- Assert(hasattr(re.compile("(abc){1}", flags=re.L), "pattern"))
-
- #I IGNORECASE L LOCAL MMULTILINE S DOTALL U UNICODE X VERBOSE
- flags = ["I", "IGNORECASE",
- "L", "LOCALE",
- "M", "MULTILINE",
- "S", "DOTALL",
- "U", "UNICODE",
- "X", "VERBOSE"]
-
- for f in flags:
- Assert(hasattr(re, f))
-
- #search
- AreEqual(re.search("(abc){1}", ""), None)
- AreEqual(re.search("(abc){1}", "abcxyz").span(), (0,3))
- AreEqual(re.search("(abc){1}", "abcxyz", re.L).span(), (0,3))
- AreEqual(re.search("(abc){1}", "abcxyz", flags=re.L).span(), (0,3))
- AreEqual(re.search("(abc){1}", "xyzabc").span(), (3,6))
-
- AreEqual(re.search("(abc){1}", buffer("")), None)
- AreEqual(re.search("(abc){1}", buffer("abcxyz")).span(), (0,3))
- AreEqual(re.search("(abc){1}", buffer("abcxyz"), re.L).span(), (0,3))
- AreEqual(re.search("(abc){1}", buffer("abcxyz"), flags=re.L).span(), (0,3))
- AreEqual(re.search("(abc){1}", buffer("xyzabc")).span(), (3,6))
-
- #match
- AreEqual(re.match("(abc){1}", ""), None)
- AreEqual(re.match("(abc){1}", "abcxyz").span(), (0,3))
- AreEqual(re.match("(abc){1}", "abcxyz", re.L).span(), (0,3))
- AreEqual(re.match("(abc){1}", "abcxyz", flags=re.L).span(), (0,3))
-
- #split
- AreEqual(re.split("(abc){1}", ""), [''])
- AreEqual(re.split("(abc){1}", "abcxyz"), ['', 'abc', 'xyz'])
- #maxsplit
- AreEqual(re.split("(abc){1}", "abc", 0), ['', 'abc', ''])
- for i in xrange(3):
- AreEqual(re.split("(abc){1}", "abc", maxsplit=i), ['', 'abc', ''])
- AreEqual(re.split("(abc){1}", "", maxsplit=i), [''])
- AreEqual(re.split("(abc){1}", "abcxyz", maxsplit=i), ['', 'abc', 'xyz'])
- AreEqual(re.split("(abc){1}", "abcxyzabc", maxsplit=0), ['', 'abc', 'xyz', 'abc', ''])
- AreEqual(re.split("(abc){1}", "abcxyzabc", maxsplit=1), ['', 'abc', 'xyzabc'])
- AreEqual(re.split("(abc){1}", "abcxyzabc", maxsplit=2), ['', 'abc', 'xyz', 'abc', ''])
-
- #findall
- AreEqual(re.findall("(abc){1}", ""), [])
- AreEqual(re.findall("(abc){1}", "abcxyz"), ['abc'])
- AreEqual(re.findall("(abc){1}", "abcxyz", re.L), ['abc'])
- AreEqual(re.findall("(abc){1}", "abcxyz", flags=re.L), ['abc'])
- AreEqual(re.findall("(abc){1}", "xyzabcabc"), ['abc', 'abc'])
-
- #finditer
- AreEqual([x.group() for x in re.finditer("(abc){1}", "")], [])
- AreEqual([x.group() for x in re.finditer("(abc){1}", "abcxyz")], ['abc'])
- AreEqual([x.group() for x in re.finditer("(abc){1}", "abcxyz", re.L)], ['abc'])
- AreEqual([x.group() for x in re.finditer("(abc){1}", "abcxyz", flags=re.L)], ['abc'])
- AreEqual([x.group() for x in re.finditer("(abc){1}", "xyzabcabc")], ['abc', 'abc'])
- rex = re.compile("foo")
- for m in rex.finditer("this is a foo and a foo bar"):
- AreEqual((m.pos, m.endpos), (0, 27))
- for m in rex.finditer(""):
- AreEqual((m.pos, m.endpos), (0, 1))
- for m in rex.finditer("abc"):
- AreEqual((m.pos, m.endpos), (0, 4))
- for m in rex.finditer("foo foo foo foo foo"):
- AreEqual((m.pos, m.endpos), (0, 19))
-
- #sub
- AreEqual(re.sub("(abc){1}", "9", "abcd"), "9d")
- AreEqual(re.sub("(abc){1}", "abcxyz",'abcd'), "abcxyzd")
- AreEqual(re.sub("(abc){1}", "1", "abcd", 0), "1d")
- AreEqual(re.sub("(abc){1}", "1", "abcd", count=0), "1d")
- AreEqual(re.sub("(abc){1}", "1", "abcdabcd", 1), "1dabcd")
- AreEqual(re.sub("(abc){1}", "1", "abcdabcd", 2), "1d1d")
-
- #subn
- AreEqual(re.subn("(abc){1}", "9", "abcd"), ("9d", 1))
- AreEqual(re.subn("(abc){1}", "abcxyz",'abcd'), ("abcxyzd",1))
- AreEqual(re.subn("(abc){1}", "1", "abcd", 0), ("1d",1))
- AreEqual(re.subn("(abc){1}", "1", "abcd", count=0), ("1d",1))
- AreEqual(re.subn("(abc){1}", "1", "abcdabcd", 1), ("1dabcd",1))
- AreEqual(re.subn("(abc){1}", "1", "abcdabcd", 2), ("1d1d",2))
-
- #escape
- AreEqual(re.escape("abc"), "abc")
- AreEqual(re.escape(""), "")
- AreEqual(re.escape("_"), "\\_")
- AreEqual(re.escape("a_c"), "a\\_c")
-
- #error
- exc = re.error()
- exc = re.error("some args")
-
- #purge
- re.purge()
-
-
- def test_sanity_re_pattern():
- '''
- Basic sanity tests for the re module's Regular Expression
- objects (i.e., Pattern in CPython). Each method/member is
- utilized at least once.
- '''
- pattern = re.compile("(abc){1}")
-
- #match
- AreEqual(pattern.match(""), None)
- AreEqual(pattern.match("abcxyz").span(), (0,3))
- AreEqual(pattern.match("abc", 0).span(), (0,3))
- AreEqual(pattern.match("abc", 0, 3).span(), (0,3))
- AreEqual(pattern.match("abc", pos=0, endpos=3).span(), (0,3))
- for i in [-1, -2, -5, -7, -8, -65536]:
- for j in [3, 4, 5, 7, 8, 65536]:
- AreEqual(pattern.match("abc", i, j).span(), (0,3))
- AssertError(OverflowError, lambda: pattern.match("abc", 0, 2**32).span())
- AssertError(OverflowError, lambda: pattern.match("abc", -(2**32), 3).span())
-
- #search
- AreEqual(pattern.search(""), None)
- AreEqual(pattern.search("abcxyz").span(), (0,3))
- AreEqual(pattern.search("abc", 0).span(), (0,3))
- AreEqual(pattern.search("abc", 0, 3).span(), (0,3))
- AreEqual(pattern.search("abc", pos=0, endpos=3).span(), (0,3))
- AreEqual(pattern.search("xyzabc").span(), (3,6))
-
- #split
- AreEqual(pattern.split(""), [''])
- AreEqual(pattern.split("abcxyz"), ['', 'abc', 'xyz'])
- AreEqual(pattern.split("abc", 0), ['', 'abc', ''])
- AreEqual(pattern.split("abc", maxsplit=0), ['', 'abc', ''])
- AreEqual(pattern.split("abcxyzabc", maxsplit=1), ['', 'abc', 'xyzabc'])
-
- #findall
- AreEqual(pattern.findall(""), [])
- AreEqual(pattern.findall("abcxyz"), ['abc'])
- AreEqual(pattern.findall("abc", 0), ['abc'])
- AreEqual(pattern.findall("abc", 0, 3), ['abc'])
- AreEqual(pattern.findall("abc", pos=0, endpos=3), ['abc'])
- AreEqual(pattern.findall("xyzabcabc"), ['abc', 'abc'])
-
- #sub
- AreEqual(pattern.sub("9", "abcd"), "9d")
- AreEqual(pattern.sub("abcxyz",'abcd'), "abcxyzd")
- AreEqual(pattern.sub("1", "abcd", 0), "1d")
- AreEqual(pattern.sub("1", "abcd", count=0), "1d")
- AreEqual(pattern.sub("1", "abcdabcd", 1), "1dabcd")
- AreEqual(pattern.sub("1", "abcdabcd", 2), "1d1d")
-
- #subn
- AreEqual(pattern.subn("9", "abcd"), ("9d", 1))
- AreEqual(pattern.subn("abcxyz",'abcd'), ("abcxyzd",1))
- AreEqual(pattern.subn("1", "abcd", 0), ("1d",1))
- AreEqual(pattern.subn("1", "abcd", count=0), ("1d",1))
- AreEqual(pattern.subn("1", "abcdabcd", 1), ("1dabcd",1))
- AreEqual(pattern.subn("1", "abcdabcd", 2), ("1d1d",2))
-
- #flags
- AreEqual(pattern.flags, 0)
- AreEqual(re.compile("(abc){1}", re.L).flags, re.L)
-
- #groupindex
- AreEqual(pattern.groupindex, {})
- AreEqual(re.compile("(?P<abc>)(?P<bcd>)").groupindex, {'bcd': 2, 'abc': 1})
-
- #pattern
- AreEqual(pattern.pattern, "(abc){1}")
- AreEqual(re.compile("").pattern, "")
-
- def test_groupindex_empty():
- test_list = [ ".", "^", "$", "1*", "2+", "3?", "4*?", "5+?", "6??", "7{1}", "8{1,2}",
- "9{1,2}?", "[a-z]", "|", "(...)", "(?:abc)",
- "\(\?P\<Blah\>abc\)", "(?#...)", "(?=...)", "(?!...)", "(?<=...)",
- "(?<!...)", "\1", "\A", "\d"
- ]
- for x in test_list:
- AreEqual(re.compile(x).groupindex, {})
-
-
- def test_sanity_re_match():
- '''
- Basic sanity tests for the re module's Match objects. Each method/member
- is utilized at least once.
- '''
- pattern = re.compile("(abc){1}")
- match_obj = pattern.match("abcxyzabc123 and some other words...")
-
- #expand
- AreEqual(match_obj.expand("\1\g<1>.nt"), '\x01abc.nt')
-
- #group
- AreEqual(match_obj.group(), 'abc')
- AreEqual(match_obj.group(1), 'abc')
-
- #groups
- AreEqual(match_obj.groups(), ('abc',))
- AreEqual(match_obj.groups(1), ('abc',))
- AreEqual(match_obj.groups(99), ('abc',))
-
- #groupdict
- AreEqual(match_obj.groupdict(), {})
- AreEqual(match_obj.groupdict(None), {})
- AreEqual(re.compile("(abc)").match("abcxyzabc123 and...").groupdict(), {})
-
- #start
- AreEqual(match_obj.start(), 0)
- AreEqual(match_obj.start(1), 0)
-
- #end
- AreEqual(match_obj.end(), 3)
- AreEqual(match_obj.end(1), 3)
-
- #span
- AreEqual(match_obj.span(), (0,3))
- AreEqual(match_obj.span(1), (0,3))
-
- #pos
- AreEqual(match_obj.pos, 0)
-
- #endpos
- AreEqual(match_obj.endpos, 36)
-
- #lastindex
- AreEqual(match_obj.lastindex, 1)
-
- #lastgroup
- #CodePlex Work Item 5518
- #AreEqual(match_obj.lastgroup, None)
-
- #re
- Assert(match_obj.re==pattern)
-
- #string
- AreEqual(match_obj.string, "abcxyzabc123 and some other words...")
-
-
- def test_comment():
- '''
- (?#...)
- '''
- pattern = "a(?#foo)bc"
- c = re.compile(pattern)
- AreEqual(c.findall("abc"), ['abc'])
-
- pattern = "a(?#)bc"
- c = re.compile(pattern)
- AreEqual(c.findall("abc"), ['abc'])
-
- pattern = "a(?#foo)bdc"
- c = re.compile(pattern)
- AreEqual(len(c.findall("abc")), 0)
-
- def test_optional_paren():
- pattern = r"""\(?\w+\)?"""
- c = re.compile(pattern, re.X)
- AreEqual(c.findall('abc'), ['abc'])
-
- def test_back_match():
- p = re.compile('(?P<grp>.+?)(?P=grp)')
- AreEqual(p.match('abcabc').groupdict(), {'grp':'abc'})
- p = re.compile(r'(?P<delim>[%$])(?P<escaped>(?P=delim))')
- AreEqual(p.match('$$').groupdict(), {'escaped': '$', 'delim': '$'})
- AreEqual(p.match('$%'), None)
- p = re.compile(r'(?P<grp>ab)(a(?P=grp)b)')
- AreEqual(p.match('abaabb').groups(), ('ab', 'aabb'))
-
- def test_expand():
- AreEqual(re.match("(a)(b)", "ab").expand("blah\g<1>\g<2>"), "blahab")
- AreEqual(re.match("(a)()", "ab").expand("blah\g<1>\g<2>\n\r\t\\\\"),'blaha\n\r\t\\')
- AreEqual(re.match("(a)()", "ab").expand(""),'')
-
- def test_sub():
- x = '\n #region Generated Foo\nblah\nblah#end region'
- a = re.compile("^([ \t]+)#region Generated Foo.*?#end region", re.MULTILINE|re.DOTALL)
-
- AreEqual(a.sub("xx", x), "\nxx") # should match successfully
- AreEqual(a.sub("\\x12", x), "\n\\x12") # should match, but shouldn't un-escape for \x
-
- #if optional count arg is 0 then all occurrences should be replaced
- AreEqual('bbbb', re.sub("a","b","abab", 0))
-
- AreEqual(re.sub(r'(?P<id>b)', '\g<id>\g<id>yadayada', 'bb'), 'bbyadayadabbyadayada')
- AreEqual(re.sub(r'(?P<id>b)', '\g<1>\g<id>yadayada', 'bb'), 'bbyadayadabbyadayada')
- AssertError(IndexError, re.sub, r'(?P<id>b)', '\g<1>\g<i2>yadayada', 'bb')
- # the native implementation just gives a sre_constants.error instead indicating an invalid
- # group reference
- if is_cli:
- AssertError(IndexError, re.sub, r'(?P<id>b)', '\g<1>\g<30>yadayada', 'bb')
-
- AreEqual(re.sub('x*', '-', 'abc'), '-a-b-c-')
- AreEqual(re.subn('x*', '-', 'abc'), ('-a-b-c-', 4))
- AreEqual(re.sub('a*', '-', 'abc'), '-b-c-')
- AreEqual(re.subn('a*', '-', 'abc'), ('-b-c-', 3))
- AreEqual(re.sub('a*', '-', 'a'), '-')
- AreEqual(re.subn('a*', '-', 'a'), ('-', 1))
- AreEqual(re.sub("a*", "-", "abaabb"), '-b-b-b-')
- AreEqual(re.subn("a*", "-", "abaabb"), ('-b-b-b-', 4))
- AreEqual(re.sub("(a*)b", "-", "abaabb"), '---')
- AreEqual(re.subn("(a*)b", "-", "abaabb"), ('---', 3))
-
- AreEqual(re.subn("(ab)*", "cd", "abababababab", 10), ('cd', 1))
-
- AreEqual(re.sub('x*', '-', 'abxd'), '-a-b-d-')
- AreEqual(re.subn('x*', '-', 'abxd'), ('-a-b-d-', 4))
-
- Assert(re.sub('([^aeiou])y$', r'\lies', 'vacancy') == 'vacan\\lies')
- Assert(re.sub('([^aeiou])y$', r'\1ies', 'vacancy') == 'vacancies')
-
- AreEqual(re.sub("a+", "\n\t\\\?\"\b", "abc"), '\n\t\\?"\x08bc')
- AreEqual(re.sub("a+", r"\n\t\\\?\"\b", "abc"), '\n\t\\\\?\\"\x08bc')
- AreEqual(re.sub("a+", "\n\t\\\\\\?\"\b", "abc"), '\n\t\\\\?"\x08bc')
-
- def test_dot():
- a = re.compile('.')
- AreEqual(a.groupindex, {})
-
- p = re.compile('.')
- z = []
- for c in p.finditer('abc'): z.append((c.start(), c.end()))
- z.sort()
- AreEqual(z, [(0,1), (1,2), (2,3)])
-
- def test_x():
- nonmatchingp = re.compile('x')
- AreEqual(nonmatchingp.search('ecks', 1, 4), None)
-
- def test_match():
- p = re.compile('.')
- AreEqual(p.match('bazbar', 1,2).span(), (1,2))
-
- def test_span():
- AreEqual(re.match('(baz)(bar)(m)', "bazbarmxyz").span(2),(3, 6))
-
- def test_regs():
- AreEqual(re.match('(baz)(bar)(m)', "bazbarmxyz").regs,
- ((0, 7), (0, 3), (3, 6), (6, 7)))
-
- AreEqual(re.match('bazbar(mm)+(abc)(xyz)', "bazbarmmmmabcxyz123456abc").regs,
- ((0, 16), (8, 10), (10, 13), (13, 16)))
-
- def test_endpos():
- AreEqual(re.match('(baz)(bar)(m)', "bazbarmx").endpos, 8)
- pass
-
- def test_re():
- #Just ensure it's there for now
- stuff = re.match('a(baz)(bar)(m)', "abazbarmx")
- Assert(hasattr(stuff, "re"))
- Assert(hasattr(stuff.re, "sub"))
-
- def test_pos():
- AreEqual(re.match('(baz)(bar)(m)', "bazbarmx").pos, 0)
-
- def test_startandend():
- m = re.match(r'(a)|(b)', 'b')
- AreEqual(m.groups(), (None, 'b'))
- AreEqual(m.group(0), "b")
- AreEqual(m.start(0), 0)
- AreEqual(m.end(0), 1)
- AreEqual(m.start(1), -1)
- AreEqual(m.end(1), -1)
- m = re.match(".*", '')
- AreEqual(m.groups(), ())
- AreEqual(m.start(0), 0)
- AreEqual(m.end(0), 0)
- AssertError(IndexError, m.group, "112")
- AssertError(IndexError, m.group, 112)
- AssertError(IndexError, m.group, "-1")
- AssertError(IndexError, m.group, -1)
- AssertError(IndexError, m.start, 112)
- AssertError(IndexError, m.start, -1)
- AssertError(IndexError, m.end, "112")
- AssertError(IndexError, m.end, 112)
- AssertError(IndexError, m.end, "-1")
- AssertError(IndexError, m.end, -1)
-
- match = re.match(r'(?P<test>test)', 'test')
- AreEqual(match.start('test'), 0)
- AreEqual(match.end('test'), 4)
-
- def test_start_of_str():
- startOfStr = re.compile('^')
- AreEqual(startOfStr.match('bazbar', 1), None)
- AreEqual(startOfStr.match('bazbar', 0,0).span(), (0,0))
- AreEqual(startOfStr.match('bazbar', 1,2), None)
- AreEqual(startOfStr.match('bazbar', endpos=3).span(), (0,0))
-
- AreEqual(re.sub('^', 'x', ''), 'x')
- AreEqual(re.sub('^', 'x', ' '), 'x ')
- AreEqual(re.sub('^', 'x', 'abc'), 'xabc')
-
- # check that groups in split RE are added properly
- def test_split():
- AreEqual(re.split('{(,)?}', '1 {} 2 {,} 3 {} 4'), ['1 ', None, ' 2 ', ',', ' 3 ', None, ' 4'])
-
- pnogrp = ','
-
- ptwogrp = '((,))'
- csv = '0,1,1,2,3,5,8,13,21,44'
- AreEqual(re.split(pnogrp, csv, 1), ['0', csv[2:]])
- AreEqual(re.split(pnogrp, csv, 2), ['0','1', csv[4:]])
- AreEqual(re.split(pnogrp, csv, 1000), re.split(pnogrp, csv))
- AreEqual(re.split(pnogrp, csv, 0), re.split(pnogrp, csv))
- AreEqual(re.split(pnogrp, csv, -1), [csv])
-
- ponegrp = '(,)'
- AreEqual(re.split(ponegrp, csv, 1), ['0', ',', csv[2:]])
-
- def test_escape():
- compiled = re.compile(re.escape("hi_"))
-
- all = re.compile('(.*)')
- AreEqual(all.search('abcdef', 3).group(0), 'def')
-
- AssertError(IndexError, re.match("a[bcd]*b", 'abcbd').group, 1)
- AreEqual(re.match('(a[bcd]*b)', 'abcbd').group(1), 'abcb')
-
- s = ''
- for i in range(32, 128):
- if not chr(i).isalnum():
- s = s + chr(i)
- x = re.escape(s)
- Assert(x == '\\ \\!\\"\\#\\$\\%\\&\\\'\\(\\)\\*\\+\\,\\-\\.\\/\\:\\;\\<\\=\\>\\?\\@\\[\\\\\\]\\^\\_\\`\\{\\|\\}\\~\\\x7f')
-
- x = re.compile(r'[\\A-Z\.\+]')
- Assert(x.search('aaaA\\B\\Caaa'))
-
- # From the docs: "^" matches only at the start of the string, or in MULTILINE mode also immediately
- # following a newline.
- m = re.compile("a").match("ba", 1) # succeed
- AreEqual('a', m.group(0))
- # bug 23668
- #AreEqual(re.compile("^a").search("ba", 1), None) # fails; 'a' not at start
- #AreEqual(re.compile("^a").search("\na", 1), None) # fails; 'a' not at start
- m = re.compile("^a", re.M).search("\na", 1) # succeed (multiline)
- AreEqual('a', m.group(0))
-
- # bug 938
- #AreEqual(re.compile("^a", re.M).search("ba", 1), None) # fails; no preceding \n
-
- # findall
- def test_findall():
- for (x, y, z) in (
- ('\d+', '99 blahblahblah 183 blah 12 blah 7777 yada yada', ['99', '183', '12', '7777']),
- ('^\d+', '0blahblahblah blah blah yada yada1', ['0']),
- ('^\d+', 'blahblahblah blah blah yada yada1', []),
- ("(\d+)|(\w+)", "x = 999y + 23", [('', 'x'), ('999', ''), ('', 'y'), ('23', '')]),
- ("(\d)(\d\d)(\d\d\d)", "123456789123456789", [('1', '23', '456'), ('7', '89', '123'), ('4', '56', '789')]),
- (r"(?i)(\w+)\s+fish\b", "green fish black fish red fish blue fish", ['green', 'black', 'red', 'blue']),
- ('(a)(b)', 'abab', [('a', 'b'), ('a', 'b')]),
- ):
- AreEqual(re.findall(x, y), z)
- AreEqual(re.compile(x).findall(y), z)
-
- def test_match_groups():
- m = re.match('(?P<test>a)(b)', 'ab')
- Assert(m.groups() == ('a', 'b'))
- m = re.match('(u)(?P<test>v)(b)(?P<Named2>w)(x)(y)', 'uvbwxy')
- Assert(m.groups() == ('u', 'v', 'b', 'w', 'x', 'y'))
-
- def test_options():
- # coverage for ?iLmsux options in re.compile path
- tests = [ ("t(?=s)", "atreftsadbeatwttta", ['t']),
- ("t(?!s)", "atreftsadbeatststs", ['t']) ]
-
- # native implementation does not handle extensions specified in this way
- if is_cli:
- tests.extend([
- ("(?i:foo)", "fooFoo FOO fOo fo oFO O\n\t\nFo ofO O", ['foo', 'Foo', 'FOO', 'fOo']),
- ("(?im:^foo)", "fooFoo FOO fOo\n\t\nFoo\nFOO", ['foo', 'Foo', 'FOO']), # ignorecase, multiline (matches at beginning of string and at each newline)
- ("(?s:foo.*bar)", "foo yadayadayada\nyadayadayada bar", ['foo yadayadayada\nyadayadayada bar']), # dotall (make "." match any chr, including a newline)
- ("(?x:baz bar)", "bazbar foo bar bazbar \n\n\tbazbar", ['bazbar', 'bazbar', 'bazbar']), #verbose (ignore whitespace)
- ])
- for (x, y, z) in tests:
- AreEqual(re.findall(x, y), z)
- AreEqual(re.compile(x).findall(y), z)
-
- def test_bug858():
- pattern = r"""\(? #optional paren
- \)? #optional paren
- \d+ """
- c = re.compile(pattern, re.X)
- l = c.findall("989")
- Assert(l == ['989'])
-
- def test_finditer():
- # finditer
- matches = re.finditer("baz","barbazbarbazbar")
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- Assert(num == 2)
-
- matches = re.finditer("baz","barbazbarbazbar", re.L)
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- Assert(num == 2)
-
- matches = re.compile("baz").finditer("barbazbarbazbar", 0)
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- Assert(num == 2)
-
- matches = re.compile("baz").finditer("barbazbarbazbar", 14)
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- Assert(num == 0)
-
- matches = re.compile("baz").finditer("barbazbarbazbar", 0, 14)
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- Assert(num == 2)
-
- matches = re.compile("baz").finditer("barbazbarbazbar", 9, 12)
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- AreEqual(num, 1)
-
- matches = re.compile("baz").finditer("barbazbarbazbar", 9, 11)
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- AreEqual(num, 0)
-
- matches = re.compile("baz").finditer("barbazbarbazbar", 10, 12)
- num = 0
- for m in matches:
- num = num + 1
- AreEqual("baz", m.group(0))
- AreEqual(num, 0)
-
- def test_search():
- # search
- sp = re.search('super', 'blahsupersuper').span()
- Assert(sp == (4, 9))
-
- sp = re.search('super', 'superblahsuper').span()
- Assert(sp == (0, 5))
-
- #re.search.group() index error
-
- AreEqual(re.search("z.*z", "az123za").group(),'z123z')
- AreEqual(re.search("z.*z", "az12za").group(),'z12z')
- AreEqual(re.search("z.*z", "azza").group(),'zz')
- AreEqual(re.search("z123p+z", "az123ppppppppppza").group(),'z123ppppppppppz')
- AreEqual(re.search("z123p+z", "az123pza").group(),'z123pz')
- AreEqual(re.search("z123p?z", "az123pza").group(),'z123pz')
- AreEqual(re.search("z123p?z", "az123za").group(),'z123z')
-
- AreEqual(re.search('b', 'abc').string, 'abc')
-
- def test_subn():
- # subn
- tup = re.subn("ab", "cd", "abababababab")
- Assert(tup == ('cdcdcdcdcdcd', 6))
- tup = re.subn("ab", "cd", "abababababab", 0)
- Assert(tup == ('cdcdcdcdcdcd', 6))
- tup = re.subn("ab", "cd", "abababababab", 1)
- Assert(tup == ('cdababababab', 1))
- tup = re.subn("ab", "cd", "abababababab", 10)
- Assert(tup == ('cdcdcdcdcdcd', 6))
- tup = re.subn("ababab", "cd", "ab", 10)
- Assert(tup == ('ab', 0))
- tup = re.subn("ababab", "cd", "ab")
- Assert(tup == ('ab', 0))
-
- tup = re.subn("(ab)*", "cd", "abababababab", 10)
- Assert(tup == ('cd', 1))
- tup = re.subn("(ab)?", "cd", "abababababab", 10)
- Assert(tup == ('cdcdcdcdcdcd', 6))
-
-
- def test_groups():
- reg = re.compile("\[(?P<header>.*?)\]")
- m = reg.search("[DEFAULT]")
- Assert( m.groups() == ('DEFAULT',))
- Assert( m.group('header') == 'DEFAULT' )
-
- reg2 = re.compile("(?P<grp>\S+)?")
- m2 = reg2.search("")
- Assert ( m2.groups() == (None,))
- Assert ( m2.groups('Default') == ('Default',))
-
- def test_locale_flags():
- AreEqual(re.compile(r"^\#[ \t]*(\w[\d\w]*)[ \t](.*)").flags, 0)
- AreEqual(re.compile(r"^\#[ \t]*(\w[\d\w]*)[ \t](.*)", re.L).flags, re.L)
- AreEqual(re.compile(r"(?L)^\#[ \t]*(\w[\d\w]*)[ \t](.*)").flags, re.L)
-
- def test_end():
- ex = re.compile(r'\s+')
- m = ex.match('(object Petal', 7)
- Assert (m.end(0) == 8)
-
- def test_lone_hat():
- """Single ^ reg-ex shouldn't match w/ a sub-set of a string"""
- sol = re.compile('^')
- AreEqual(sol.match('bazbar', 1, 2), None)
-
- AreEqual(sol.match('foobar', 1, 2), None)
-
- def test_escape_backslash():
- x = re.compile (r"[\\A-Z\.\+]")
- AreEqual(x.search('aaaA\\B\\Caaa').span(), (3,4))
-
- def test_eol():
- r = re.compile(r'<(/|\Z)')
- s = r.search("<", 0)
- Assert(s != None)
- AreEqual(s.span(), (0, 1))
- AreEqual(s.group(0), '<')
- AreEqual(r.search("<Z", 0), None)
-
- def test_lastindex():
- for (pat, index) in [
- ('(a)b', 1), ('((a)(b))', 1), ('((ab))', 1),
- ('(a)(b)', 2),
- ('(a)?ab', None),
- ('(a)?b', 1),
- ]:
- AreEqual(re.match(pat, 'ab').lastindex, index)
-
- for (pat, index) in [
- ('(a)ab', 1),
- ('(a)(a)b', 2),
- ('(a)(a)(b)', 3),
- ('((a)a(b))', 1),
- ('((a)(a)(b))', 1),
- ('(a(a)(b))', 1),
- ('(a(a)?(b))', 1),
- ('(aa(a)?(b))', 1),
- ('(aa(b))', 1),
- ('(a(ab))', 1),
- ('(a)?ab', 1),
- ('a(a)?ab', None),
- ('a(a)?(a)?b', 1),
- ('a(a)?(a)?(b)', 3),
- ('a(a)b', 1),
- ('(a(a))(b)', 3),
- ('(a(a))b', 1),
- ('((a)(a))(b)', 4),
- ('((a)(a))b', 1),
- ]:
- AreEqual(re.match(pat, 'aab').lastindex, index)
-
- def test_empty_split():
- cases =[
- ('', ['']),
- ('*', ['*']),
- (':', ['', '']),
- ('::', ['', '']),
- ('a::', ['a', '']),
- ('::b', ['', 'b']),
- (':c:', ['', 'c', '']),
- (':\t: ', ['', '\t', ' ']),
- ('a:b::c', ['a', 'b', 'c']),
- (':a:b::c', ['', 'a', 'b', 'c']),
- ('::a:b::c:', ['', 'a', 'b', 'c', '']),
- ]
- for expr, result in cases:
- AreEqual(re.split(":*", expr), result)
-
- @skip("silverlight")
- def test_cp15298():
- regex = "^" + "\d\.\d\.\d \(IronPython \d\.\d(\.\d)? ((Alpha )|(Beta )|())\(\d\.\d\.\d\.\d{3,4}\) on \.NET \d(\.\d{1,5}){3}\)" * 15 + "$"
- match_str = "2.5.0 (IronPython 2.0 Beta (2.0.0.1000) on .NET 2.0.50727.1433)" * 15
- compiled_regex = re.compile(regex)
-
- retval = compiled_regex.match(match_str)
- Assert(retval != None)
-
- retval = re.match(regex, match_str)
- Assert(retval != None)
-
- def test_cp11136():
- regex = re.compile(r"^(?P<msg>NMAKE[A-Za-z0-9]*)'\"?(?P<file>[\\A-Za-z0-9/:_\.\+]+)" )
- Assert(regex.search(r"NMAKE0119'adirectory\afile.txt")!=None)
-
- def test_cp17111():
- test_cases = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789~!@#%&_+-=]{};':,.//<>" + '"'
- for x in test_cases:
- regex = re.compile(r".*\\%s" % x)
- Assert(regex.search(r"\\%s" % x)!=None)
- Assert(regex.search(r"")==None)
-
- def test_cp1089():
- test_cases = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789~!@#%&_+-=]{};':,.//<>" + '"'
- for x in test_cases:
- #Just make sure they don't throw
- temp = re.compile('\\\\' + x)
-
- def test_cp16657():
- Assert(re.compile(r'^bar', re.M).search('foo\nbar') != None)
- Assert(re.compile(r'^bar(?m)').search('foo\nbar') != None)
- Assert(re.compile(r'^bar', re.M).search('foo\nbaar') == None)
- Assert(re.compile(r'^bar(?m)').search('foo\nbaar') == None)
-
- Assert(re.compile(r'^bar', re.U).search('bar') != None)
- Assert(re.compile(r'^bar(?u)').search('bar') != None)
- Assert(re.compile(r'^bar', re.U).search('baar') == None)
- Assert(re.compile(r'^bar(?u)').search('baar') == None)
-
- Assert(re.compile(r' b ar ', re.X).search('bar') != None)
- Assert(re.compile(r'b ar(?x)').search('bar') != None)
- Assert(re.compile(r' b ar ', re.X).search('baar') == None)
- Assert(re.compile(r'b ar(?x)').search('baar') == None)
- Assert(re.compile(r'b ar').search('bar') == None)
-
- def test_n_m_quantifier():
- AreEqual(re.search('ab{,2}a', 'abba').span(), (0, 4))
- AreEqual(re.search('ab{,2}a', 'aba').span(), (0, 3))
- AreEqual(re.search('ab{,2}a', 'abbba'), None)
- AreEqual(re.search('ab{,2}a', 'abba').span(), re.search('ab{0,2}a', 'abba').span())
- AreEqual(re.search('ab{0,2}a', 'abbba'), None)
- AreEqual(re.search('ab{2,}a', 'abba').span(), (0,4))
- AreEqual(re.search('ab{2,}a', 'abbba').span(), (0,5))
- AreEqual(re.search('ab{2,}a', 'aba'), None)
-
- def test_mixed_named_and_unnamed_groups():
- example1=r"(?P<one>Blah)"
- example2=r"(?P<one>(Blah))"
- RegExsToTest=[example1,example2]
-
- for regString in RegExsToTest:
- g=re.compile(regString)
- AreEqual(g.groupindex, {'one' : 1})
-
- def test__pickle():
- '''
- TODO: just a sanity test for now. Needs far more testing.
- '''
- regex = re.compile(r"^(?P<msg>NMAKE[A-Za-z0-9]*)'\"?(?P<file>[\\A-Za-z0-9/:_\.\+]+)" )
- pickled_regex = re._pickle(regex)
- AreEqual(len(pickled_regex), 2)
- AreEqual(pickled_regex[1],
- ('^(?P<msg>NMAKE[A-Za-z0-9]*)\'\\"?(?P<file>[\\\\A-Za-z0-9/:_\\.\\+]+)', 0))
-
-
- def test_conditional():
- p = re.compile(r'(a)?(b)((?(1)c))')
- AreEqual(p.match('abc').groups(), ('a', 'b', 'c'))
- p = re.compile(r'(?P<first>a)?(b)((?(first)c))')
- AreEqual(p.match('abc').groups(), ('a', 'b', 'c'))
- s = r'((?(a)ab|cd))'
- if is_cli or is_silverlight:
- p = re.compile(s)
- AreEqual(p.match('ab').groups(), ('ab',))
- else:
- AssertError(re.error, re.compile, s)
-
- #--MAIN------------------------------------------------------------------------
- run_test(__name__)