    def test_conf_set_no_read(self):
        orig_parser = memcache.ConfigParser
        memcache.ConfigParser = ExcConfigParser
        exc = None
        try:
            app = memcache.MemcacheMiddleware(
                    FakeApp(), {'memcache_servers': '1.2.3.4:5'})
        except Exception, err:
            exc = err
        finally:
            memcache.ConfigParser = orig_parser
        self.assertEquals(exc, None)
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.