cpython/Lib/test/test_userstring.py

46 lines
1.5 KiB
Python

# UserString is a wrapper around the native builtin string type.
# UserString instances should behave similar to builtin string objects.
import string
import unittest
from test import support, string_tests
from collections import UserString
class UserStringTest(
string_tests.CommonTest,
string_tests.MixinStrUnicodeUserStringTest,
unittest.TestCase
):
type2test = UserString
# Overwrite the three testing methods, because UserString
# can't cope with arguments propagated to UserString
# (and we don't test with subclasses)
def checkequal(self, result, object, methodname, *args, **kwargs):
result = self.fixtype(result)
object = self.fixtype(object)
# we don't fix the arguments, because UserString can't cope with it
realresult = getattr(object, methodname)(*args, **kwargs)
self.assertEqual(
result,
realresult
)
def checkraises(self, exc, obj, methodname, *args):
obj = self.fixtype(obj)
# we don't fix the arguments, because UserString can't cope with it
with self.assertRaises(exc) as cm:
getattr(obj, methodname)(*args)
self.assertNotEqual(str(cm.exception), '')
def checkcall(self, object, methodname, *args):
object = self.fixtype(object)
# we don't fix the arguments, because UserString can't cope with it
getattr(object, methodname)(*args)
if __name__ == "__main__":
unittest.main()