public async Task AuthorExistsAsync_Test()
{
using (var context = new LibraryContext(Utilities.TestDbContextOptions()))
using (ILibraryRepository repository = new LibraryRepository(context))
{
context.Authors.Add(new Author()
{
Id = new Guid("a1da1d8e-1988-4634-b538-a01709477b77"),
FirstName = "Jens",
LastName = "Lapidus",
Genre = "Thriller",
DateOfBirth = new DateTimeOffset(new DateTime(1974, 5, 24)),
Books = new List <Book>()
{
new Book()
{
Id = new Guid("1325360c-8253-473a-a20f-55c269c20407"),
Title = "Easy Money",
Description = "Easy Money or Snabba cash is a novel from 2006 by Jens Lapidus. It has been a success in term of sales, and the paperback was the fourth best seller of Swedish novels in 2007."
}
}
});
context.SaveChanges();
var exist = await repository.AuthorExistsAsync(Guid.Parse("a1da1d8e-1988-4634-b538-a01709477b77"));
var nonExist = await repository.AuthorExistsAsync(Guid.Parse("f74d6899-9ed2-4137-9876-66b070553f8f"));
Assert.True(exist);
Assert.False(nonExist);
}
}