public void CreateBook_ValidBookSuppliedAsParameter_CreatesAndReturnsNewBook
(string title, int authorId, decimal price)
{
var validInput = new Book
{
Title = title,
AuthorId = authorId,
Price = price
};
var highestCurrentBookId = AllBooks.Max(book => book.Id);
var expectedResult = new Book
{
Title = title,
AuthorId = authorId,
Price = price,
Id = highestCurrentBookId + 1
};
var result = BookRepository.CreateBook(validInput);
result.Should().BeEquivalentTo(expectedResult);
}