Specification by Example
We automate specifications to get fast feedback, but our primary goal should be to create executable specifications that are easily accessible and human readable, not just to automate a validation process. Once our specifications are executable, we can validate them frequently to build a living documentation system. In this article from chapter 10 of Specification by Example, author Gojko Adzic discusses frequent validation. If you would like to purchase a copy of the full version of Specification by Example, you can do so here.