private static void WriteGridToConsole(Grid grid, bool isGameOver = false)
{
for (int r = grid.NumberOfRows; r > 0; r--)
{
Console.Write("|");
for (int c = 1; c <= grid.NumberOfColumns; c++)
{
if (grid.Counters.Any(counter => counter.PlayerType == PlayerType.Human && counter.Row == r && counter.Column == c))
{
Console.Write(" O |");
}
else if (grid.Counters.Any(counter => counter.PlayerType == PlayerType.Computer && counter.Row == r && counter.Column == c))
{
Console.Write(" X |");
}
else
{
Console.Write(" |");
}
}
Console.Write(Environment.NewLine);
}
if (!isGameOver)
{
Console.WriteLine("Please enter a column number. (1-6)" + Environment.NewLine);
}
}
static void Main(string[] args)
{
while (true)
{
Grid grid = new Grid(6, 7);
GameService gameService = new GameService();
grid.CounterAdded += gameService.OnCounterAdded;
while (gameService.GameStatus == GameStatus.NoWinner)
{
if (!grid.IsComputersTurn)
{
WriteGridToConsole(grid);
string column = Console.ReadLine();
if (!grid.IsValidUserInput(column))
{
Console.WriteLine("Please enter a valid column number.");
continue;
}
if (!grid.IsColumnFull(Convert.ToInt32(column)))
{
grid.AddCounter(new Counter
{
Column = Convert.ToInt32(column),
PlayerType = PlayerType.Human
});
grid.IsComputersTurn = true;
}
else
{
Console.WriteLine("That column is full please select another.");
}
}
else
{
grid.TakeComputersTurn();
grid.IsComputersTurn = false;
}
}
WriteGridToConsole(grid, true);
WriteGameResultToConsole(gameService);
}
}
public void Human_Can_Not_Win_Game_Horizontally_With_Three_Connecting_Counters()
{
//Arrange
Grid grid = new Grid(6, 7);
GameService gameService = new GameService();
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 2 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 3 && c.Row == 1).PlayerType = PlayerType.Human;
//Act
gameService.Horizontal(grid);
//Assert
Assert.AreEqual(GameStatus.NoWinner, gameService.GameStatus);
}
public void Human_Can_Not_Win_Game_Horizontally_If_There_Is_Gap_Inbetween_Four_Counters()
{
//Arrange
Grid grid = new Grid(6, 7);
GameService gameService = new GameService();
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 2 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 4 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 5 && c.Row == 1).PlayerType = PlayerType.Human;
//Act
gameService.Horizontal(grid);
//Assert
Assert.AreEqual(GameStatus.NoWinner, gameService.GameStatus);
}
public void Vertical(Grid grid)
{
for (int columnLoop = 0; columnLoop <= grid.NumberOfColumns; columnLoop++)
{
int connectingHumanCounters = 0;
int connectingComputerCounters = 0;
foreach (Counter counter in grid.Counters.Where(c => c.Column == columnLoop))
{
switch (counter.PlayerType)
{
case PlayerType.Human:
connectingHumanCounters += 1;
connectingComputerCounters = 0;
break;
case PlayerType.Computer:
connectingComputerCounters += 1;
connectingHumanCounters = 0;
break;
case PlayerType.NotAssigned:
connectingHumanCounters = 0;
connectingComputerCounters = 0;
break;
}
if (connectingHumanCounters == 4)
{
this.GameStatus = GameStatus.HumanWon;
}
if (connectingComputerCounters == 4)
{
this.GameStatus = GameStatus.ComputerWon;
}
}
}
}
public void Horizontal(Grid grid)
{
for (int rowLoop = 1; rowLoop < grid.NumberOfRows; rowLoop++)
{
int connectingHumanCounters = 0;
int connectingComputerCounters = 0;
foreach (Counter counter in grid.Counters.Where(c => c.Row == rowLoop))
{
switch (counter.PlayerType)
{
case PlayerType.Human:
connectingHumanCounters += 1;
connectingComputerCounters = 0;
break;
case PlayerType.Computer:
connectingComputerCounters += 1;
connectingHumanCounters = 0;
break;
case PlayerType.NotAssigned:
connectingHumanCounters = 0;
connectingComputerCounters = 0;
break;
}
if (connectingHumanCounters == 4)
{
this.GameStatus = GameStatus.HumanWon;
}
if (connectingComputerCounters == 4)
{
this.GameStatus = GameStatus.ComputerWon;
}
}
}
}
public void Human_Can_Win_Game_Horizontally_In_The_Middle_Of_The_Grid()
{
//Arrange
Grid grid = new Grid(6, 7);
GameService gameService = new GameService();
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 2 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 3 && c.Row == 1).PlayerType = PlayerType.Computer;
grid.Counters.SingleOrDefault(c => c.Column == 4 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 5 && c.Row == 1).PlayerType = PlayerType.Human;
//Winning moves
grid.Counters.SingleOrDefault(c => c.Column == 2 && c.Row == 2).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 3 && c.Row == 2).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 4 && c.Row == 2).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 5 && c.Row == 2).PlayerType = PlayerType.Human;
//Act
gameService.Horizontal(grid);
//Assert
Assert.AreEqual(GameStatus.HumanWon, gameService.GameStatus);
}
public void Human_Can_Win_Game_Vertically()
{
//Arrange
Grid grid = new Grid(6, 7);
GameService gameService = new GameService();
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 2).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 3).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 4).PlayerType = PlayerType.Human;
//Act
gameService.Vertical(grid);
//Assert
Assert.AreEqual(GameStatus.HumanWon, gameService.GameStatus);
}
public void Human_Can_Not_Win_Game_Diagonally_With_Computer_Counter_Inbetween_Four_Connecting_Counters()
{
//Arrange
Grid grid = new Grid(6, 7);
GameService gameService = new GameService();
//Act
grid.Counters.SingleOrDefault(c => c.Column == 1 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 2 && c.Row == 2).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 3 && c.Row == 3).PlayerType = PlayerType.Computer;
grid.Counters.SingleOrDefault(c => c.Column == 4 && c.Row == 4).PlayerType = PlayerType.Human;
gameService.Diagonal(grid);
//Assert
Assert.AreEqual(GameStatus.NoWinner, gameService.GameStatus);
}
public void Human_Can_Win_Game_Diagonally_To_The_Left()
{
//Arrange
Grid grid = new Grid(6, 7);
GameService gameService = new GameService();
//Act
grid.Counters.SingleOrDefault(c => c.Column == 6 && c.Row == 1).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 5 && c.Row == 2).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 4 && c.Row == 3).PlayerType = PlayerType.Human;
grid.Counters.SingleOrDefault(c => c.Column == 3 && c.Row == 4).PlayerType = PlayerType.Human;
gameService.Diagonal(grid);
//Assert
Assert.AreEqual(GameStatus.HumanWon, gameService.GameStatus);
}
public void Diagonal(Grid grid)
{
List<Counter> humanCounters = grid.Counters.Where(c => c.PlayerType == PlayerType.Human).ToList();
List<Counter> computerCounters = grid.Counters.Where(c => c.PlayerType == PlayerType.Computer).ToList();
foreach (Counter counter in humanCounters)
{
if (humanCounters.Any(c => c.Column == (counter.Column + 1) && c.Row == (counter.Row + 1)) &&
humanCounters.Any(c => c.Column == (counter.Column + 2) && c.Row == (counter.Row + 2)) &&
humanCounters.Any(c => c.Column == (counter.Column + 3) && c.Row == (counter.Row + 3)))
{
this.GameStatus = GameStatus.HumanWon;
}
if (humanCounters.Any(c => c.Column == (counter.Column - 1) && c.Row == (counter.Row + 1)) &&
humanCounters.Any(c => c.Column == (counter.Column - 2) && c.Row == (counter.Row + 2)) &&
humanCounters.Any(c => c.Column == (counter.Column - 3) && c.Row == (counter.Row + 3)))
{
this.GameStatus = GameStatus.HumanWon;
}
}
foreach (Counter counter in computerCounters)
{
if (computerCounters.Any(c => c.Column == (counter.Column + 1) && c.Row == (counter.Row + 1)) &&
computerCounters.Any(c => c.Column == (counter.Column + 2) && c.Row == (counter.Row + 2)) &&
computerCounters.Any(c => c.Column == (counter.Column + 3) && c.Row == (counter.Row + 3)))
{
this.GameStatus = GameStatus.ComputerWon;
}
if (computerCounters.Any(c => c.Column == (counter.Column - 1) && c.Row == (counter.Row + 1)) &&
computerCounters.Any(c => c.Column == (counter.Column - 2) && c.Row == (counter.Row + 2)) &&
computerCounters.Any(c => c.Column == (counter.Column - 3) && c.Row == (counter.Row + 3)))
{
this.GameStatus = GameStatus.ComputerWon;
}
}
}