public void ReplacePropertyValidator_should_replace_property()
{
validator.RuleFor(x => x.Surname).Length(5, 10).WithMessage("foo");
var result = validator.Validate(new Person {
Surname = "Matthew Leibowitz"
});
result.Errors.Single().ErrorMessage.ShouldEqual("foo");
validator.ReplaceRule(x => x.Surname, new LengthValidator(10, 20));
result = validator.Validate(new Person {
Surname = "Matthew Leibowitz"
});
Assert.Equal(0, result.Errors.Count);
}