mirror of https://github.com/python/cpython
367 lines
13 KiB
Python
367 lines
13 KiB
Python
# SRE test harness for the Python regression suite
|
|
|
|
# this is based on test_re.py, but uses a test function instead
|
|
# of all those asserts
|
|
|
|
import sys
|
|
sys.path=['.']+sys.path
|
|
|
|
from test_support import verbose, TestFailed
|
|
import sre
|
|
import sys, os, string, traceback
|
|
|
|
#
|
|
# test support
|
|
|
|
def test(expression, result, exception=None):
|
|
try:
|
|
r = eval(expression)
|
|
except:
|
|
if exception:
|
|
if not isinstance(sys.exc_value, exception):
|
|
print expression, "FAILED"
|
|
# display name, not actual value
|
|
if exception is sre.error:
|
|
print "expected", "sre.error"
|
|
else:
|
|
print "expected", exception.__name__
|
|
print "got", sys.exc_type.__name__, str(sys.exc_value)
|
|
else:
|
|
print expression, "FAILED"
|
|
traceback.print_exc(file=sys.stdout)
|
|
else:
|
|
if exception:
|
|
print expression, "FAILED"
|
|
if exception is sre.error:
|
|
print "expected", "sre.error"
|
|
else:
|
|
print "expected", exception.__name__
|
|
print "got result", repr(r)
|
|
else:
|
|
if r != result:
|
|
print expression, "FAILED"
|
|
print "expected", repr(result)
|
|
print "got result", repr(r)
|
|
|
|
if verbose:
|
|
print 'Running tests on character literals'
|
|
|
|
for i in [0, 8, 16, 32, 64, 127, 128, 255]:
|
|
test(r"""sre.match(r"\%03o" % i, chr(i)) != None""", 1)
|
|
test(r"""sre.match(r"\%03o0" % i, chr(i)+"0") != None""", 1)
|
|
test(r"""sre.match(r"\%03o8" % i, chr(i)+"8") != None""", 1)
|
|
test(r"""sre.match(r"\x%02x" % i, chr(i)) != None""", 1)
|
|
test(r"""sre.match(r"\x%02x0" % i, chr(i)+"0") != None""", 1)
|
|
test(r"""sre.match(r"\x%02xz" % i, chr(i)+"z") != None""", 1)
|
|
test(r"""sre.match("\911", "")""", None, sre.error)
|
|
|
|
#
|
|
# Misc tests from Tim Peters' re.doc
|
|
|
|
if verbose:
|
|
print 'Running tests on sre.search and sre.match'
|
|
|
|
test(r"""sre.search(r'x*', 'axx').span(0)""", (0, 0))
|
|
test(r"""sre.search(r'x*', 'axx').span()""", (0, 0))
|
|
test(r"""sre.search(r'x+', 'axx').span(0)""", (1, 3))
|
|
test(r"""sre.search(r'x+', 'axx').span()""", (1, 3))
|
|
test(r"""sre.search(r'x', 'aaa')""", None)
|
|
|
|
test(r"""sre.match(r'a*', 'xxx').span(0)""", (0, 0))
|
|
test(r"""sre.match(r'a*', 'xxx').span()""", (0, 0))
|
|
test(r"""sre.match(r'x*', 'xxxa').span(0)""", (0, 3))
|
|
test(r"""sre.match(r'x*', 'xxxa').span()""", (0, 3))
|
|
test(r"""sre.match(r'a+', 'xxx')""", None)
|
|
|
|
# bug 113254
|
|
test(r"""sre.match(r'(a)|(b)', 'b').start(1)""", -1)
|
|
test(r"""sre.match(r'(a)|(b)', 'b').end(1)""", -1)
|
|
test(r"""sre.match(r'(a)|(b)', 'b').span(1)""", (-1, -1))
|
|
|
|
if verbose:
|
|
print 'Running tests on sre.sub'
|
|
|
|
test(r"""sre.sub(r"(?i)b+", "x", "bbbb BBBB")""", 'x x')
|
|
|
|
def bump_num(matchobj):
|
|
int_value = int(matchobj.group(0))
|
|
return str(int_value + 1)
|
|
|
|
test(r"""sre.sub(r'\d+', bump_num, '08.2 -2 23x99y')""", '9.3 -3 24x100y')
|
|
test(r"""sre.sub(r'\d+', bump_num, '08.2 -2 23x99y', 3)""", '9.3 -3 23x99y')
|
|
|
|
test(r"""sre.sub(r'.', lambda m: r"\n", 'x')""", '\\n')
|
|
test(r"""sre.sub(r'.', r"\n", 'x')""", '\n')
|
|
|
|
s = r"\1\1"
|
|
|
|
test(r"""sre.sub(r'(.)', s, 'x')""", 'xx')
|
|
test(r"""sre.sub(r'(.)', sre.escape(s), 'x')""", s)
|
|
test(r"""sre.sub(r'(.)', lambda m: s, 'x')""", s)
|
|
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g<a>\g<a>', 'xx')""", 'xxxx')
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g<a>\g<1>', 'xx')""", 'xxxx')
|
|
test(r"""sre.sub(r'(?P<unk>x)', '\g<unk>\g<unk>', 'xx')""", 'xxxx')
|
|
test(r"""sre.sub(r'(?P<unk>x)', '\g<1>\g<1>', 'xx')""", 'xxxx')
|
|
|
|
test(r"""sre.sub(r'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')
|
|
test(r"""sre.sub(r'a', '\t\n\v\r\f\a', 'a')""", '\t\n\v\r\f\a')
|
|
test(r"""sre.sub(r'a', '\t\n\v\r\f\a', 'a')""", (chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)))
|
|
|
|
test(r"""sre.sub(r'^\s*', 'X', 'test')""", 'Xtest')
|
|
|
|
# qualified sub
|
|
test(r"""sre.sub(r'a', 'b', 'aaaaa')""", 'bbbbb')
|
|
test(r"""sre.sub(r'a', 'b', 'aaaaa', 1)""", 'baaaa')
|
|
|
|
# bug 114660
|
|
test(r"""sre.sub(r'(\S)\s+(\S)', r'\1 \2', 'hello there')""", 'hello there')
|
|
|
|
if verbose:
|
|
print 'Running tests on symbolic references'
|
|
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g<a', 'xx')""", None, sre.error)
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g<', 'xx')""", None, sre.error)
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g', 'xx')""", None, sre.error)
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g<a a>', 'xx')""", None, sre.error)
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g<1a1>', 'xx')""", None, sre.error)
|
|
test(r"""sre.sub(r'(?P<a>x)', '\g<ab>', 'xx')""", None, IndexError)
|
|
test(r"""sre.sub(r'(?P<a>x)|(?P<b>y)', '\g<b>', 'xx')""", None, sre.error)
|
|
test(r"""sre.sub(r'(?P<a>x)|(?P<b>y)', '\\2', 'xx')""", None, sre.error)
|
|
|
|
if verbose:
|
|
print 'Running tests on sre.subn'
|
|
|
|
test(r"""sre.subn(r"(?i)b+", "x", "bbbb BBBB")""", ('x x', 2))
|
|
test(r"""sre.subn(r"b+", "x", "bbbb BBBB")""", ('x BBBB', 1))
|
|
test(r"""sre.subn(r"b+", "x", "xyz")""", ('xyz', 0))
|
|
test(r"""sre.subn(r"b*", "x", "xyz")""", ('xxxyxzx', 4))
|
|
test(r"""sre.subn(r"b*", "x", "xyz", 2)""", ('xxxyz', 2))
|
|
|
|
if verbose:
|
|
print 'Running tests on sre.split'
|
|
|
|
test(r"""sre.split(r":", ":a:b::c")""", ['', 'a', 'b', '', 'c'])
|
|
test(r"""sre.split(r":*", ":a:b::c")""", ['', 'a', 'b', 'c'])
|
|
test(r"""sre.split(r"(:*)", ":a:b::c")""", ['', ':', 'a', ':', 'b', '::', 'c'])
|
|
test(r"""sre.split(r"(?::*)", ":a:b::c")""", ['', 'a', 'b', 'c'])
|
|
test(r"""sre.split(r"(:)*", ":a:b::c")""", ['', ':', 'a', ':', 'b', ':', 'c'])
|
|
test(r"""sre.split(r"([b:]+)", ":a:b::c")""", ['', ':', 'a', ':b::', 'c'])
|
|
test(r"""sre.split(r"(b)|(:+)", ":a:b::c")""",
|
|
['', None, ':', 'a', None, ':', '', 'b', None, '', None, '::', 'c'])
|
|
test(r"""sre.split(r"(?:b)|(?::+)", ":a:b::c")""", ['', 'a', '', '', 'c'])
|
|
|
|
test(r"""sre.split(r":", ":a:b::c", 2)""", ['', 'a', 'b::c'])
|
|
test(r"""sre.split(r':', 'a:b:c:d', 2)""", ['a', 'b', 'c:d'])
|
|
|
|
test(r"""sre.split(r"(:)", ":a:b::c", 2)""", ['', ':', 'a', ':', 'b::c'])
|
|
test(r"""sre.split(r"(:*)", ":a:b::c", 2)""", ['', ':', 'a', ':', 'b::c'])
|
|
|
|
if verbose:
|
|
print "Running tests on sre.findall"
|
|
|
|
test(r"""sre.findall(r":+", "abc")""", [])
|
|
test(r"""sre.findall(r":+", "a:b::c:::d")""", [":", "::", ":::"])
|
|
test(r"""sre.findall(r"(:+)", "a:b::c:::d")""", [":", "::", ":::"])
|
|
test(r"""sre.findall(r"(:)(:*)", "a:b::c:::d")""",
|
|
[(":", ""), (":", ":"), (":", "::")])
|
|
test(r"""sre.findall(r"(a)|(b)", "abc")""", [("a", ""), ("", "b")])
|
|
|
|
if verbose:
|
|
print "Running tests on sre.match"
|
|
|
|
test(r"""sre.match(r'a', 'a').groups()""", ())
|
|
test(r"""sre.match(r'(a)', 'a').groups()""", ('a',))
|
|
test(r"""sre.match(r'(a)', 'a').group(0)""", 'a')
|
|
test(r"""sre.match(r'(a)', 'a').group(1)""", 'a')
|
|
test(r"""sre.match(r'(a)', 'a').group(1, 1)""", ('a', 'a'))
|
|
|
|
pat = sre.compile(r'((a)|(b))(c)?')
|
|
test(r"""pat.match('a').groups()""", ('a', 'a', None, None))
|
|
test(r"""pat.match('b').groups()""", ('b', None, 'b', None))
|
|
test(r"""pat.match('ac').groups()""", ('a', 'a', None, 'c'))
|
|
test(r"""pat.match('bc').groups()""", ('b', None, 'b', 'c'))
|
|
test(r"""pat.match('bc').groups("")""", ('b', "", 'b', 'c'))
|
|
|
|
pat = sre.compile(r'(?:(?P<a1>a)|(?P<b2>b))(?P<c3>c)?')
|
|
test(r"""pat.match('a').group(1, 2, 3)""", ('a', None, None))
|
|
test(r"""pat.match('b').group('a1', 'b2', 'c3')""", (None, 'b', None))
|
|
test(r"""pat.match('ac').group(1, 'b2', 3)""", ('a', None, 'c'))
|
|
|
|
if verbose:
|
|
print "Running tests on sre.escape"
|
|
|
|
p = ""
|
|
for i in range(0, 256):
|
|
p = p + chr(i)
|
|
test(r"""sre.match(sre.escape(chr(i)), chr(i)) != None""", 1)
|
|
test(r"""sre.match(sre.escape(chr(i)), chr(i)).span()""", (0,1))
|
|
|
|
pat = sre.compile(sre.escape(p))
|
|
test(r"""pat.match(p) != None""", 1)
|
|
test(r"""pat.match(p).span()""", (0,256))
|
|
|
|
if verbose:
|
|
print 'Pickling a SRE_Pattern instance'
|
|
|
|
try:
|
|
import pickle
|
|
pat = sre.compile(r'a(?:b|(c|e){1,2}?|d)+?(.)')
|
|
s = pickle.dumps(pat)
|
|
pat = pickle.loads(s)
|
|
except:
|
|
print TestFailed, 're module pickle' # expected
|
|
|
|
try:
|
|
import cPickle
|
|
pat = sre.compile(r'a(?:b|(c|e){1,2}?|d)+?(.)')
|
|
s = cPickle.dumps(pat)
|
|
pat = cPickle.loads(s)
|
|
except:
|
|
print TestFailed, 're module cPickle' # expected
|
|
|
|
# constants
|
|
test(r"""sre.I""", sre.IGNORECASE)
|
|
test(r"""sre.L""", sre.LOCALE)
|
|
test(r"""sre.M""", sre.MULTILINE)
|
|
test(r"""sre.S""", sre.DOTALL)
|
|
test(r"""sre.X""", sre.VERBOSE)
|
|
test(r"""sre.T""", sre.TEMPLATE)
|
|
test(r"""sre.U""", sre.UNICODE)
|
|
|
|
for flags in [sre.I, sre.M, sre.X, sre.S, sre.L, sre.T, sre.U]:
|
|
try:
|
|
r = sre.compile('^pattern$', flags)
|
|
except:
|
|
print 'Exception raised on flag', flags
|
|
|
|
if verbose:
|
|
print 'Test engine limitations'
|
|
|
|
# Try nasty case that overflows the straightforward recursive
|
|
# implementation of repeated groups.
|
|
test(r"""sre.match(r'(x)*', 50000*'x').span()""",
|
|
(0, 50000), RuntimeError)
|
|
test(r"""sre.match(r'(x)*y', 50000*'x'+'y').span()""",
|
|
(0, 50001), RuntimeError)
|
|
test(r"""sre.match(r'(x)*?y', 50000*'x'+'y').span()""",
|
|
(0, 50001), RuntimeError)
|
|
|
|
from re_tests import *
|
|
|
|
if verbose:
|
|
print 'Running re_tests test suite'
|
|
else:
|
|
# To save time, only run the first and last 10 tests
|
|
#tests = tests[:10] + tests[-10:]
|
|
pass
|
|
|
|
for t in tests:
|
|
sys.stdout.flush()
|
|
pattern=s=outcome=repl=expected=None
|
|
if len(t)==5:
|
|
pattern, s, outcome, repl, expected = t
|
|
elif len(t)==3:
|
|
pattern, s, outcome = t
|
|
else:
|
|
raise ValueError, ('Test tuples should have 3 or 5 fields',t)
|
|
|
|
try:
|
|
obj=sre.compile(pattern)
|
|
except sre.error:
|
|
if outcome==SYNTAX_ERROR: pass # Expected a syntax error
|
|
else:
|
|
print '=== Syntax error:', t
|
|
except KeyboardInterrupt: raise KeyboardInterrupt
|
|
except:
|
|
print '*** Unexpected error ***', t
|
|
if verbose:
|
|
traceback.print_exc(file=sys.stdout)
|
|
else:
|
|
try:
|
|
result=obj.search(s)
|
|
except (sre.error), msg:
|
|
print '=== Unexpected exception', t, repr(msg)
|
|
if outcome==SYNTAX_ERROR:
|
|
print '=== Compiled incorrectly', t
|
|
elif outcome==FAIL:
|
|
if result is None: pass # No match, as expected
|
|
else: print '=== Succeeded incorrectly', t
|
|
elif outcome==SUCCEED:
|
|
if result is not None:
|
|
# Matched, as expected, so now we compute the
|
|
# result string and compare it to our expected result.
|
|
start, end = result.span(0)
|
|
vardict={'found': result.group(0),
|
|
'groups': result.group(),
|
|
'flags': result.re.flags}
|
|
for i in range(1, 100):
|
|
try:
|
|
gi = result.group(i)
|
|
# Special hack because else the string concat fails:
|
|
if gi is None:
|
|
gi = "None"
|
|
except IndexError:
|
|
gi = "Error"
|
|
vardict['g%d' % i] = gi
|
|
for i in result.re.groupindex.keys():
|
|
try:
|
|
gi = result.group(i)
|
|
if gi is None:
|
|
gi = "None"
|
|
except IndexError:
|
|
gi = "Error"
|
|
vardict[i] = gi
|
|
repl=eval(repl, vardict)
|
|
if repl!=expected:
|
|
print '=== grouping error', t,
|
|
print repr(repl)+' should be '+repr(expected)
|
|
else:
|
|
print '=== Failed incorrectly', t
|
|
continue
|
|
|
|
# Try the match on a unicode string, and check that it
|
|
# still succeeds.
|
|
result=obj.search(unicode(s, "latin-1"))
|
|
if result==None:
|
|
print '=== Fails on unicode match', t
|
|
|
|
# Try the match on a unicode pattern, and check that it
|
|
# still succeeds.
|
|
obj=sre.compile(unicode(pattern, "latin-1"))
|
|
result=obj.search(s)
|
|
if result==None:
|
|
print '=== Fails on unicode pattern match', t
|
|
|
|
# Try the match with the search area limited to the extent
|
|
# of the match and see if it still succeeds. \B will
|
|
# break (because it won't match at the end or start of a
|
|
# string), so we'll ignore patterns that feature it.
|
|
|
|
if pattern[:2]!='\\B' and pattern[-2:]!='\\B':
|
|
obj=sre.compile(pattern)
|
|
result=obj.search(s, result.start(0), result.end(0)+1)
|
|
if result==None:
|
|
print '=== Failed on range-limited match', t
|
|
|
|
# Try the match with IGNORECASE enabled, and check that it
|
|
# still succeeds.
|
|
obj=sre.compile(pattern, sre.IGNORECASE)
|
|
result=obj.search(s)
|
|
if result==None:
|
|
print '=== Fails on case-insensitive match', t
|
|
|
|
# Try the match with LOCALE enabled, and check that it
|
|
# still succeeds.
|
|
obj=sre.compile(pattern, sre.LOCALE)
|
|
result=obj.search(s)
|
|
if result==None:
|
|
print '=== Fails on locale-sensitive match', t
|
|
|
|
# Try the match with UNICODE locale enabled, and check
|
|
# that it still succeeds.
|
|
obj=sre.compile(pattern, sre.UNICODE)
|
|
result=obj.search(s)
|
|
if result==None:
|
|
print '=== Fails on unicode-sensitive match', t
|