req.setContent(content.toString().getBytes());
assertTrue(ServletFileUpload.isMultipartContent(req));
MyFileupAction action = new MyFileupAction();
MockActionInvocation mai = new MockActionInvocation();
mai.setAction(action);
mai.setResultCode("success");
mai.setInvocationContext(ActionContext.getContext());
Map<String, Object> param = new HashMap<String, Object>();
ActionContext.getContext().setParameters(param);
ActionContext.getContext().put(ServletActionContext.HTTP_REQUEST, createMultipartRequest(req, 2000));
interceptor.setAllowedTypes("text/html");