public void WhenPlacingAPiece_ThenCallsWriter()
{
var spy = new BoardWriterSpy();
var emptyBoardReaderStub = new EmptyBoardReaderStub();
var placePiece = new PlacePiece(spy, emptyBoardReaderStub);
placePiece.Execute(0, 0);
Assert.True(spy.Called);
}
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 WhenPlacingTheFirstPiece_ThenUpdatesBoard(
int x, int y,
int?expectedPieceType, int expectedX, int expectedY)
{
var spy = new BoardWriterSpy();
var emptyBoardReaderStub = new EmptyBoardReaderStub();
var placePiece = new PlacePiece(spy, emptyBoardReaderStub);
placePiece.Execute(x, y);
Assert.AreEqual(expectedPieceType, spy.LastBoard.PieceAt(expectedX, expectedY));
}
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));
}
