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cpython/Lib/test/test_re.py
1997-07-15 15:40:57 +00:00

59 lines
1.6 KiB
Python

from test_support import verbose
import re
import sys, traceback
from re_tests import *
if verbose: print 'Running re_tests test suite'
for t in tests:
print t
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=re.compile(pattern)
except re.error:
if outcome==SYNTAX_ERROR: pass # Expected a syntax error
else:
print '=== Syntax error:', t
except:
print '*** Unexpected error ***'
if verbose:
traceback.print_exc(file=sys.stdout)
else:
try:
result=obj.search(s)
except regex.error, msg:
print '=== Unexpected exception', t, repr(msg)
if outcome==SYNTAX_ERROR:
# This should have been a syntax error; forget it.
pass
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()}
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 = "None"
vardict['g%d' % 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