public void Should_have_error_when_blog_title_already_exists()
{
const string blogTitle = "My Blog";
var blogRepository = new Mock <IBlogRepository>();
blogRepository.Setup(x => x.GetByTitle(blogTitle)).Returns(Domain.Blog.Blog.CreateNew(blogTitle));
var validator = new CreateBlogCommandValidator(blogRepository.Object);
validator.ShouldHaveValidationErrorFor(x => x.Title, new CreateBlogCommand(blogTitle));
}
public override bool IsValid()
{
ValidationResult = new CreateBlogCommandValidator().Validate(this);
return(base.IsValid());
}