public void ComputerGeneratesExpectedMoves()
{
// Check computer generates all possible moves, with reasonably equal distribution
int rockCount = 0, paperCount = 0, scissorsCount = 0;
int gameCount = 1000;
for( int gameNumber = 0; gameNumber < gameCount; gameNumber++)
{
IPlayer player = new ComputerPlayer();
switch (player.Move)
{
case Move.Paper:
paperCount++;
break;
case Move.Rock:
rockCount++;
break;
case Move.Scissors:
scissorsCount++;
break;
}
}
Assert.IsTrue(paperCount > 0, "Computer generation of paper count is zero");
Assert.IsTrue(rockCount > 0, "Computer generation of rock count is zero");
Assert.IsTrue(scissorsCount > 0, "Computer generation of scissors count is zero");
// We expect roughly equal distribution of moves between available choices
// Testing for at least half of that expected distribution avoids variance causing this test to fail
int minimalExpectedCountEachMove = gameCount / 6;
Assert.IsTrue(paperCount > minimalExpectedCountEachMove, "Computer generation of paper count is zero");
Assert.IsTrue(rockCount > minimalExpectedCountEachMove, "Computer generation of rock count is zero");
Assert.IsTrue(scissorsCount > minimalExpectedCountEachMove, "Computer generation of scissors count is zero");
}
public ActionResult Index(GameModel gameModel)
{
gameModel.GameResult = string.Empty;
IPlayer player1 = null;
IPlayer player2 = null;
string playerChoices = string.Empty;
// Set Player1
if ( gameModel.Player1Move == PlayerMoveChoices.computer)
{
player1 = new ComputerPlayer();
}
else
{
player1 = new HumanPlayer();
switch(gameModel.Player1Move)
{
case PlayerMoveChoices.paper:
player1.Move = Move.Paper;
break;
case PlayerMoveChoices.scissors:
player1.Move = Move.Scissors;
break;
case PlayerMoveChoices.rock:
player1.Move = Move.Rock;
break;
}
}
// Set Player2
if (gameModel.Player2Move == PlayerMoveChoices.computer)
{
player2 = new ComputerPlayer();
}
else
{
throw new ApplicationException();
}
IGame game = new Game(player1, player2);
GameResult gameResult = game.DecideWinner();
string playerChoicesDescription = " (" + player1.Move.ToString() + "/" + player2.Move.ToString() + ")";
switch(gameResult)
{
case GameResult.Draw:
gameModel.GameResult = "Draw " + playerChoicesDescription;
break;
case GameResult.Player1Wins:
gameModel.GameResult = "Player 1 won " + playerChoicesDescription;
break;
case GameResult.Player2Wins:
gameModel.GameResult = "Player 2 won " + playerChoicesDescription;
break;
}
return View(gameModel);
}