public void MustIgnoreMoveOnExistingPiece(int x, int y)
{
var spy = new BoardWriterSpy();
var boardReaderStub = new PieceSetOriginBoardReaderStub(x, y);
var placePiece = new PlacePiece(spy, boardReaderStub);
placePiece.Execute(x, y);
Assert.That(spy.LastBoard, Is.Null);
}
public void GivenAPieceHasBeenPlaced_WhenPlacingAPiece_ThenUpdatedBoardIncludesBothPieces()
{
var spy = new BoardWriterSpy();
var boardReaderStub = new PieceSetOriginBoardReaderStub();
var placePiece = new PlacePiece(spy, boardReaderStub);
placePiece.Execute(1, 0);
Assert.AreEqual(0, spy.LastBoard.PieceAt(0, 0));
Assert.AreEqual(1, spy.LastBoard.PieceAt(1, 0));
}
public void DoesNotMutateTheBoard()
{
var spy = new BoardWriterSpy();
var boardReaderStub = new PieceSetOriginBoardReaderStub();
var originalBoard = boardReaderStub.Fetch();
var placePiece = new PlacePiece(spy, boardReaderStub);
placePiece.Execute(1, 0);
Assert.IsNull(originalBoard.PieceAt(1, 0));
}
