threadflip interview

tictactoe.rb

require 'rspec'

class TicTacToe

  attr_accessor :board, :turns

  def initialize
    @turns = 0
    @board = []
    9.times do 
      @board << "#"
    end
    # @board
    # @turns
  end

  def move(location, mark)
    if @board[location.to_i-1] =~ /(x|o)/
      return
    else
      @board[location.to_i-1] = mark.to_s.downcase
      @turns += 1
    end
    @board
  end

  def play
    self.print_board
    p "input turns by entering 1,x  2,o where 1-9 are the spaces on a board"
    p "x == lower case X and o == lower case O"
    while @turns < 10
      print "please enter a turn=>"
      input = gets.chomp

      if input =~ /[1-9]{1},{1}(x|o){1}/ 
        input = input.split(",")
          move(input[0],input[1])
        self.print_board
        p "#{9 - @turns} spaces left in the game"
        if self.won?("x") == true
          p "x has won the game"
          return
        elsif self.won?("o") == true
          p "o has won the game"
          return
        elsif self.won?("o") == false && self.won?("x") == false && 9-@turns == 0
          p "this game has ended in a draw"
          return
        end

      else

      p "please input turn correctly"
      p "input turns by entering 1,x  2,o where 1-9 are the spaces on a board"

      end

    end    
  end

  def won?(letter)
    if @board[0] + @board[1] + @board[2] == letter*3 
      true
    elsif @board[3]+@board[4]+@board[5] == letter*3
      true
    elsif @board[6]+@board[7]+@board[8] == letter*3
      true
    elsif @board[0]+@board[3]+@board[6] == letter*3
      true
    elsif @board[1]+@board[4]+@board[7] == letter*3
      true
    elsif @board[2]+@board[5]+@board[8] == letter*3
      true
    elsif @board[0]+@board[4]+@board[8] == letter*3
      true
    elsif @board[2]+@board[4]+@board[6] == letter*3
      true
    else
      false
    end
  end

  def print_board
    top = @board[0..2]
    middle = @board[3..5]
    bottom = @board[6..8]
    p top
    p middle
    p bottom
  end



end

describe "TicTacToe" do
  context "it should initialize with an empty board" do
    
    it { TicTacToe.new.board.should eq ['#','#','#','#','#','#','#','#','#'] }

  end

  context "#move" do
    before :each do
      @threadflip = TicTacToe.new
    end
    it { @threadflip.move(1,"x").should == ['x','#','#','#','#','#','#','#','#']  }
    it { @threadflip.move(1,"X").should == ['x','#','#','#','#','#','#','#','#']  }
    it { @threadflip.move(5,"o").should == ['#','#','#','#','o','#','#','#','#']  }
  end

  context "#game_won" do
    it "should return return true won" do
      game = TicTacToe.new
      game.move(1,"x"); game.move(2,"x"); game.move(3,"x"); game.won?("x").should be true
    end
    it "should return true when a diagnol win occurs" do
      game = TicTacToe.new
      game.move(1,"x"); game.move(5,"x"); game.move(9,"x"); game.won?("x").should be true
    end
    it "should return false in all other situations" do
      game = TicTacToe.new
      game.move(1,"x")
      game.won?("x").should be false
    end
  end

  context "#play" do
    it "should allow players to play until win or draw occurs" do

    end
  end

end

# threadflip = TicTacToe.new
# threadflip.play