public void Adds_valid_entities_to_repositories()
{
friendlyUrlGen.Expect(x => x.GenerateUrl(Arg<string>.Is.Anything, Arg<string[]>.Is.Anything)).Return("aaaa").
Repeat.
Any();
var blogValidator = new BlogValidator();
var postValidator = new PostValidator();
var userValidator = new UserValidator();
blogRP.Expect(x => x.SaveBlog(Arg<Blog>.Is.Anything))
.Do(new Expect<Blog>(blogValidator.ValidateAndThrowException));
userRP.Expect(x => x.SaveUser(Arg<User>.Is.Anything))
.Do(new Expect<User>(userValidator.ValidateAndThrowException));
postRP.Expect(x => x.SavePost(Arg<Post>.Is.Anything))
.Do(new Expect<Post>(postValidator.ValidateAndThrowException));
var installer = new DefaultStartupInstaller(blogRP, postRP, userRP, friendlyUrlGen);
installer.Execute();
}