如何在activerecord之外创建activerecord样式验证？

I am working on a testing framework for the software that my company writes. Our product is web based and After I run a RESTful request I want to process the results. I want to be able to have activerecord type validations in each command class so that after it is run the results are automatically tested against all the "validations". However, I am not sure how to do this. My code looks like this (simplified to show the important parts).I am working on a testing framework for the sof