def test_normalize_user_prefs_add_and_delete_key_from_user_dict(self):
     default_prefs   = dict(b=u"two")
     user_prefs      = dict(a=u"one")
     expected        = dict(b=u"two")
     result = PrefHelper.normalize_user_prefs(default_prefs, user_prefs)
     self.assertEqual(expected, result)
 def test_normalize_user_prefs_empty_input_dicts_return_empty_dict(self):
     default_prefs   = dict()
     user_prefs      = dict()
     expected        = dict()
     result = PrefHelper.normalize_user_prefs(default_prefs, user_prefs)
     self.assertEqual(expected, result)
 def test_normalize_user_prefs_deletes_key_that_is_not_in_default_prefs(self):
     default_prefs   = dict()
     user_prefs      = dict(a=u"one")
     expected        = dict()
     result = PrefHelper.normalize_user_prefs(default_prefs, user_prefs)
     self.assertEqual(expected, result)