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AMK's latest
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Guido van Rossum
parent
07bcd99873
commit
8430c583da
3 changed files with 107 additions and 32 deletions
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@ -2,12 +2,36 @@
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# -*- mode: python -*-
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# $Id$
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import sys
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sys.path=['.']+sys.path
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from test_support import verbose, TestFailed
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import re
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import sys, os, string, traceback
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# Misc tests from Tim Peters' re.doc
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if verbose:
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print 'Running tests on re.search and re.match'
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try:
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assert re.search('x*', 'axx').span(0) == (0, 0)
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assert re.search('x*', 'axx').span() == (0, 0)
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assert re.search('x+', 'axx').span(0) == (1, 3)
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assert re.search('x+', 'axx').span() == (1, 3)
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assert re.search('x', 'aaa') == None
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except:
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raise TestFailed, "re.search"
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try:
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assert re.match('a*', 'xxx').span(0) == (0, 0)
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assert re.match('a*', 'xxx').span() == (0, 0)
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assert re.match('x*', 'xxxa').span(0) == (0, 3)
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assert re.match('x*', 'xxxa').span() == (0, 3)
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assert re.match('a+', 'xxx') == None
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except:
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raise TestFailed, "re.search"
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if verbose:
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print 'Running tests on re.sub'
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@ -19,25 +43,30 @@ try:
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return str(int_value + 1)
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assert re.sub(r'\d+', bump_num, '08.2 -2 23x99y') == '9.3 -3 24x100y'
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assert re.sub(r'\d+', bump_num, '08.2 -2 23x99y', 3) == '9.3 -3 23x99y'
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assert re.sub('.', lambda m: r"\n", 'x') == '\\n'
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assert re.sub('.', r"\n", 'x') == '\n'
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s = r"\1\1"
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assert re.sub('(.)', s, 'x') == 'xx'
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assert re.sub('(.)', re.escape(s), 'x') == s
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assert re.sub('(.)', re.escape(s), 'x') == s
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assert re.sub('(.)', lambda m: s, 'x') == s
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assert re.sub('(?P<a>x)', '\g<a>\g<a>', 'xx') == 'xxxx'
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assert re.sub('(?P<a>x)', '\g<a>\g<1>', 'xx') == 'xxxx'
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assert re.sub('(?P<unk>x)', '\g<unk>\g<unk>', 'xx') == 'xxxx'
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assert re.sub('(?P<unk>x)', '\g<1>\g<1>', 'xx') == 'xxxx'
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assert re.sub('a', r'\t\n\v\r\f\a\b\B\Z\a\A\w\W\s\S\d\D', 'a') == '\t\n\v\r\f\a\bBZ\aAwWsSdD'
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assert re.sub('a', r'\t\n\v\r\f\a\b\B\Z\a\A\w\W\s\S\d\D', 'a') == '\t\n\v\r\f\a\b\\B\\Z\a\\A\\w\\W\\s\\S\\d\\D'
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assert re.sub('a', '\t\n\v\r\f\a', 'a') == '\t\n\v\r\f\a'
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assert re.sub('a', '\t\n\v\r\f\a', 'a') == (chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7))
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assert re.sub('^\s*', 'X', 'test') == 'Xtest'
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except AssertionError:
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raise TestFailed, "re.sub"
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try:
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assert re.sub('a', 'b', 'aaaaa') == 'bbbbb'
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assert re.sub('a', 'b', 'aaaaa', 1) == 'baaaa'
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@ -75,6 +104,13 @@ except re.error, reason:
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else:
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raise TestFailed, "symbolic reference"
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try:
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re.sub('(?P<a>x)', '\g<1a1>', 'xx')
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except re.error, reason:
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pass
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else:
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raise TestFailed, "symbolic reference"
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try:
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re.sub('(?P<a>x)', '\g<ab>', 'xx')
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except IndexError, reason:
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@ -104,9 +140,13 @@ try:
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assert re.subn("b+", "x", "bbbb BBBB") == ('x BBBB', 1)
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assert re.subn("b+", "x", "xyz") == ('xyz', 0)
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assert re.subn("b*", "x", "xyz") == ('xxxyxzx', 4)
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assert re.subn("b*", "x", "xyz", 2) == ('xxxyz', 2)
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except AssertionError:
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raise TestFailed, "re.subn"
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if verbose:
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print 'Running tests on re.split'
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try:
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assert re.split(":", ":a:b::c") == ['', 'a', 'b', '', 'c']
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assert re.split(":*", ":a:b::c") == ['', 'a', 'b', 'c']
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@ -117,7 +157,6 @@ try:
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assert re.split("(b)|(:+)", ":a:b::c") == \
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['', None, ':', 'a', None, ':', '', 'b', None, '', None, '::', 'c']
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assert re.split("(?:b)|(?::+)", ":a:b::c") == ['', 'a', '', '', 'c']
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except AssertionError:
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raise TestFailed, "re.split"
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@ -130,16 +169,55 @@ try:
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except AssertionError:
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raise TestFailed, "qualified re.split"
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if verbose:
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print 'Pickling a RegexObject instance'
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import pickle
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pat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)')
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s = pickle.dumps(pat)
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pat = pickle.loads(s)
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try:
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# No groups at all
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m = re.match('a', 'a') ; assert m.groups() == ()
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# A single group
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m = re.match('(a)', 'a') ; assert m.groups() == ('a',)
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pat = re.compile('((a)|(b))(c)?')
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assert pat.match('a').groups() == ('a', 'a', None, None)
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assert pat.match('b').groups() == ('b', None, 'b', None)
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assert pat.match('ac').groups() == ('a', 'a', None, 'c')
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assert pat.match('bc').groups() == ('b', None, 'b', 'c')
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except AssertionError:
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raise TestFailed, "match .groups() method"
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try:
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# A single group
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m = re.match('(a)', 'a')
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assert m.group(0) == 'a' ; assert m.group(0) == 'a'
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assert m.group(1) == 'a' ; assert m.group(1, 1) == ('a', 'a')
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pat = re.compile('(?:(?P<a1>a)|(?P<b2>b))(?P<c3>c)?')
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assert pat.match('a').group(1, 2, 3) == ('a', None, None)
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assert pat.match('b').group('a1', 'b2', 'c3') == (None, 'b', None)
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assert pat.match('ac').group(1, 'b2', 3) == ('a', None, 'c')
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except AssertionError:
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raise TestFailed, "match .group() method"
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try:
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p=""
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for i in range(0, 256):
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p = p + chr(i)
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assert re.match(re.escape(chr(i)), chr(i)) != None
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assert re.match(re.escape(chr(i)), chr(i)).span() == (0,1)
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pat=re.compile( re.escape(p) )
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assert pat.match(p) != None
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assert pat.match(p).span() == (0,256)
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except AssertionError:
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raise TestFailed, "re.escape"
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if verbose:
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print 'Running tests on re.split'
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print 'Pickling a RegexObject instance'
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import pickle
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pat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)')
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s = pickle.dumps(pat)
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pat = pickle.loads(s)
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try:
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assert re.I == re.IGNORECASE
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assert re.L == re.LOCALE
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@ -156,11 +234,13 @@ for flags in [re.I, re.M, re.X, re.S, re.L]:
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print 'Exception raised on flag', flags
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from re_tests import *
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if verbose:
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print 'Running re_tests test suite'
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else:
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# To save time, only run the first and last 10 tests
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pass #tests = tests[:10] + tests[-10:]
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#tests = tests[:10] + tests[-10:]
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pass
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for t in tests:
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sys.stdout.flush()
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@ -180,7 +260,7 @@ for t in tests:
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print '=== Syntax error:', t
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except KeyboardInterrupt: raise KeyboardInterrupt
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except:
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print '*** Unexpected error ***'
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print '*** Unexpected error ***', t
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if verbose:
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traceback.print_exc(file=sys.stdout)
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else:
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@ -250,4 +330,3 @@ for t in tests:
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result=obj.search(s)
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if result==None:
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print '=== Fails on locale-sensitive match', t
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