public void IsAlreadyShownShouldPassTheRequestToItsSuccessorWhenNecessary()
{
var testHandler = new IsAlreadyShownHandler();
var testBoard = new Board(new EasyBoardSettings(), new List<IBoardObserver>());
testBoard.Cells[0, 0] = new CellContext();
testBoard.Cells[0, 0].State = CellState.Sealed;
testHandler.SetSuccessor(new RevealCellHandler());
testHandler.HandleRequest(row: 0, col: 0, board: testBoard);
}
public void IsAlreadyShownShouldHandleRevealedAndUnrevealedCellsAccordingly()
{
var testHandler = new IsAlreadyShownHandler();
var testBoard = new Board(new EasyBoardSettings(), new List<IBoardObserver>());
testBoard.Cells[0, 0] = new CellContext();
testBoard.Cells[0, 0].State = CellState.Revealed;
testHandler.HandleRequest(row: 0, col: 0, board: testBoard);
Assert.AreEqual(expected: true, actual: testBoard.IsAlreadyShown(cellRow: 0, cellCol: 0));
}
/// <summary>
/// The concrete implementation of the common method Execute setting up all handlers and successors
/// and calling the first fro their chain
/// </summary>
/// <param name="command">The command to be executed</param>
public void Execute(string command)
{
var isValidPlayCommandHandler = new IsValidPlayCommandHandler();
var isInsideBoardHandler = new IsInsideBoardHandler();
var isAlreadyShownHandler = new IsAlreadyShownHandler();
var isBombHandler = new IsBombHandler();
var revealCellHandler = new RevealCellHandler();
isValidPlayCommandHandler.SetSuccessor(isInsideBoardHandler);
isInsideBoardHandler.SetSuccessor(isAlreadyShownHandler);
isAlreadyShownHandler.SetSuccessor(isBombHandler);
isBombHandler.SetSuccessor(revealCellHandler);
isValidPlayCommandHandler.HandleRequest(command, this.board);
}
