public void AuthorExists()
{
using (var context = new LibraryContext(options))
{
var service = new LibraryRepository(context);
Assert.IsTrue(service.AuthorExists(1));
Assert.IsFalse(service.AuthorExists(0));
}
}
public IActionResult BlockAuthorCreation(Guid id)
{
if (LibraryRepository.AuthorExists(id))
{
return(StatusCode(409));
}
return(NotFound());
}
