public PlayerModel[] Execute(GeneratePlayersRequest request)
{
var playNamesQuery = new GetRandomPlayerNamesQuery(_repository);
var playerStatusQuery = new GetRandomPlayerStatusQuery();
var generalPositionQuery = new GetRandomGeneralPositionQuery();
var ageQuery = new GetRandomAgeQuery();
var playerNames = playNamesQuery.Execute(request.NumberOfPlayersToCreate);
var players = new List <PlayerModel>();
foreach (var name in playerNames)
{
var playerStatus = playerStatusQuery.Execute(request.Situation);
var generalPosition = generalPositionQuery.Execute();
var age = ageQuery.Execute(playerStatus);
players.Add(new PlayerModel()
{
Guid = Guid.NewGuid(),
Status = playerStatus,
FirstName = name.FirstName,
LastName = name.LastName,
GeneralPosition = generalPosition,
Age = age
});
}
return(players.ToArray());
}
public void GeneratePositionsWithinMarginOfError()
{
const double marginOfError = 0.05;
const double totalRuns = 10000;
const double pitcherProbability = 0.52;
const double catcherProbability = 0.08;
const double positionProbability = 0.4;
var positionList = new List <GeneralPosition>();
for (var i = 0; i < totalRuns; ++i)
{
positionList.Add(_query.Execute());
}
var pitcherPct = positionList.Count(x => x == GeneralPosition.Pitcher) / totalRuns;
var catcherPct = positionList.Count(x => x == GeneralPosition.Catcher) / totalRuns;
var positionPct = positionList.Count(x => x == GeneralPosition.Position) / totalRuns;
Assert.IsTrue(pitcherPct >= pitcherProbability - marginOfError && pitcherPct <= pitcherProbability + marginOfError, $"Pitcher percentage: {pitcherPct}");
Assert.IsTrue(catcherPct >= catcherProbability - marginOfError && catcherPct <= catcherProbability + marginOfError, $"Catcher: percentage: {catcherPct}");
Assert.IsTrue(positionPct >= positionProbability - marginOfError && positionPct <= positionProbability + marginOfError, $"Position percentage: {positionPct}");
}