public void Branch_Remove_Book_No_Stock_Should_Throw_Error()
{
Branch testBranch = new Branch("Test", 1);
var bookId = Guid.NewGuid();
testBranch.AddBookInventory(new BookInventory(bookId, 0, 0));
Xunit.Assert.Throws<OverflowException>(() => testBranch.RemoveBookStock(bookId));
}
public void Branch_Remove_Book_Stock_Successfully()
{
Branch testBranch = new Branch("Test", 2);
var bookId = Guid.NewGuid();
testBranch.AddBookInventory(new BookInventory(bookId, 2, 2));
testBranch.RemoveBookStock(bookId);
testBranch.BookInventory.Should().HaveCount(1);
testBranch.BookInventory.First(x => x.BookId == bookId).TotalInStock.Should().Be(1);
testBranch.BookInventory.First(x => x.BookId == bookId).Total.Should().Be(1);
}