private GameResult CalculateAndUpdateResult(GameResult result = GameResult.NoResult)
{
if (ValilGameS.IsEnded && result == GameResult.NoResult)
{
if (ValilGameS.CurrentBoard.BlackKingInCheck() && ValilGameS.Status == GameStatus.Checkmate)
{
result = GameResult.WhiteWin;
}
else if (ValilGameS.CurrentBoard.WhiteKingInCheck() && ValilGameS.Status == GameStatus.Checkmate)
{
result = GameResult.BlackWin;
}
else
{
result = GameResult.Tie;
}
}
if (result != GameResult.NoResult)
{
var whiteRating = MatchS.White.Rating;
var blackRating = MatchS.Black.Rating;
EloRatingCalculator.UpdateScores(ref whiteRating, ref blackRating, result);
// update ratings in database
_updateUserRatingCommandHandler.Handle(new UpdateUserRatingCommand(MatchS.White.UserName, whiteRating));
_updateUserRatingCommandHandler.Handle(new UpdateUserRatingCommand(MatchS.Black.UserName, blackRating));
_updateGameResultCommandHandler.Handle(new UpdateGameResultCommand(MatchS.MatchId, result));
}
return(result);
}
public CatmashImageControllerTest()
{
this.repository = new CatmashRepository(context);
this.pairGenerator = new PatternedPairGenerator();
this.pairNumTracker = new PairNumberTracker();
this.eloRatingCalculator = new EloRatingCalculator();
this.constants = new Constants();
}
public CatmashImageController(ICatmashRepository repository,
IPairGeneratorStrategy pairGenerator,
PairNumberTracker pairNumTracker,
EloRatingCalculator eloRatingCalculator,
Constants constants)
{
this.repository = repository;
this.pairGenerator = pairGenerator;
this.pairNumTracker = pairNumTracker;
this.eloRatingCalculator = eloRatingCalculator;
this.constants = constants;
}
public void ComputeExpectation_ratingsGiven_ShouldReturnExpectation()
{
// Arrange
decimal ratingA = 123.4M;
decimal ratingB = 865.23M;
decimal expectation = (decimal)(1 / (1 + Math.Pow(10, (double)((ratingB - ratingA) / 400))));
EloRatingCalculator ratingCalculator = new EloRatingCalculator();
// Act
decimal computedExpectation = ratingCalculator.ComputeExpectation(ratingA, ratingB);
// Assert
Assert.Equal(expectation, computedExpectation);
}
public void ComputeRating_CurrentRatingAndExpectedAndActualScoresAndKFactorGiven_ShouldReturnNewRating()
{
// Arrange
decimal currentRating = 757.34M;
decimal expectedScore = 0.74M;
decimal actualScore = 1;
decimal kFactor = 24;
decimal newRating = currentRating + kFactor * (actualScore - expectedScore);
EloRatingCalculator ratingCalculator = new EloRatingCalculator();
// Act
decimal computedRating = ratingCalculator.ComputeRating(
currentRating,
expectedScore,
actualScore,
kFactor);
// Assert
Assert.Equal(newRating, computedRating);
}
public MatchService(LeagueContext leagueContext)
{
db = leagueContext;
_ratingCalc = new EloRatingCalculator();
}
public MatchService()
{
db = new LeagueContext();
_ratingCalc = new EloRatingCalculator();
}
