Lib/test/test_userstring.py

   1 #!/usr/bin/env python
   2 # UserString is a wrapper around the native builtin string type.
   3 # UserString instances should behave similar to builtin string objects.
   4
   5 import unittest
   6 from test import test_support, string_tests
   7
   8 from UserString import UserString
   9
  10 class UserStringTest(
  11     string_tests.CommonTest,
  12     string_tests.MixinStrUnicodeUserStringTest,
  13     string_tests.MixinStrStringUserStringTest,
  14     string_tests.MixinStrUserStringTest
  15     ):
  16
  17     type2test = UserString
  18
  19     # Overwrite the three testing methods, because UserString
  20     # can't cope with arguments propagated to UserString
  21     # (and we don't test with subclasses)
  22     def checkequal(self, result, object, methodname, *args):
  23         result = self.fixtype(result)
  24         object = self.fixtype(object)
  25         # we don't fix the arguments, because UserString can't cope with it
  26         realresult = getattr(object, methodname)(*args)
  27         self.assertEqual(
  28             result,
  29             realresult
  30         )
  31
  32     def checkraises(self, exc, object, methodname, *args):
  33         object = self.fixtype(object)
  34         # we don't fix the arguments, because UserString can't cope with it
  35         self.assertRaises(
  36             exc,
  37             getattr(object, methodname),
  38             *args
  39         )
  40
  41     def checkcall(self, object, methodname, *args):
  42         object = self.fixtype(object)
  43         # we don't fix the arguments, because UserString can't cope with it
  44         getattr(object, methodname)(*args)
  45
  46 def test_main():
  47     suite = unittest.TestSuite()
  48     suite.addTest(unittest.makeSuite(UserStringTest))
  49     test_support.run_suite(suite)
  50
  51 if __name__ == "__main__":
  52     test_main()