public void Save_valid_bird_should_invoke_repository()
{
var bird = new Bird("Tree sparrow");
_validatorMock.IsValid(Arg.Any <Bird>()).Returns(true);
_sut.Save(bird);
_repositoryMock.Received().SaveOrUpdate(bird);
}
public void Save(Bird bird)
{
if (!_validator.IsValid(bird))
{
throw new ArgumentException("The bird is not valid");
}
_repository.SaveOrUpdate(bird);
}