public void LoseThrowsExceptionIfBookIsNotOnLoan()
{
var book = new Book("author", "title", "call number", 1);
book.State = BookState.AVAILABLE;
var ex = Assert.Throws<InvalidOperationException>(() => book.Lose());
Assert.Equal("Book must be on loan to be marked as lost", ex.Message);
}
public void WhenBookIsOnLoanAndLostThenShouldBeLost()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
book.Borrow(loan);
book.Lose();
Assert.Equal(BookState.LOST, book.State);
}
public void LoseSetsBookStateToLost()
{
var book = new Book("author", "title", "call number", 1);
book.State = BookState.ON_LOAN;
book.Lose();
Assert.Equal(BookState.LOST, book.State);
}
public void WhenBookIsLostAndDisposedShouldBeDisposed()
{
var book = new Book("author", "title", "call number", 1);
var member = new Member("first", "last", "phone", "email", 1);
var loan = new Loan(book, member, DateTime.Today, DateTime.Today.AddDays(7));
book.Borrow(loan);
book.Lose();
book.Dispose();
Assert.Equal(BookState.DISPOSED, book.State);
}