public void GetBookByIdReturnsNullIfNotFound()
{
var helper = Substitute.For<IBookHelper>();
var bookDao = new BookDao(helper);
bookDao.BookList = new List<IBook>
{
Substitute.For<Book>("one", "two", "three", 1),
Substitute.For<Book>("one", "two", "three", 3),
};
var book = bookDao.GetBookByID(2);
Assert.Null(book);
}
public void CanGetBookById()
{
var helper = Substitute.For<IBookHelper>();
var bookDao = new BookDao(helper);
var author = "author";
var title = "title";
var callNo = "callNo";
bookDao.BookList = new List<IBook>
{
Substitute.For<Book>("one", "two", "three", 1),
Substitute.For<Book>(author, title, callNo, 2),
Substitute.For<Book>("one", "two", "three", 3),
};
var book = bookDao.GetBookByID(2);
Assert.NotNull(book);
Assert.Equal(2, book.ID);
Assert.Equal(author, book.Author);
Assert.Equal(title, book.Title);
Assert.Equal(callNo, book.CallNumber);
}