cpython/Lib/test/test_string.py
Raymond Hettinger c35491ee3a Moved inplace add and multiply methods from UserString to MutableString.
Closes SF Bug #592573 where inplace add mutated a UserString.
Added unittests to verify the bug is cleared.
2002-08-09 01:37:06 +00:00

60 lines
1.7 KiB
Python

from test.test_support import verbose, TestSkipped
from test import string_tests
import string, sys
# XXX: kludge... short circuit if strings don't have methods
try:
''.join
except AttributeError:
raise TestSkipped
def test(name, input, output, *args):
if verbose:
print 'string.%s%s =? %s... ' % (name, (input,) + args, output),
try:
# Prefer string methods over string module functions
try:
f = getattr(input, name)
value = apply(f, args)
except AttributeError:
f = getattr(string, name)
value = apply(f, (input,) + args)
except:
value = sys.exc_type
f = name
if value == output:
# if the original is returned make sure that
# this doesn't happen with subclasses
if value is input:
class ssub(str):
def __repr__(self):
return 'ssub(%r)' % str.__repr__(self)
input = ssub(input)
try:
f = getattr(input, name)
value = apply(f, args)
except AttributeError:
f = getattr(string, name)
value = apply(f, (input,) + args)
if value is input:
if verbose:
print 'no'
print '*',f, `input`, `output`, `value`
return
if value != output:
if verbose:
print 'no'
print f, `input`, `output`, `value`
else:
if verbose:
print 'yes'
string_tests.run_module_tests(test)
string_tests.run_method_tests(test)
string_tests.run_contains_tests(test)
string_tests.run_inplace_tests(str)
string.whitespace
string.lowercase
string.uppercase