tarynsauer

  private UI ui;
  private MockPrintStream printStream;

    @Before
    public void setUp() {
        MockOutputStream outputStream = new MockOutputStream();
        printStream = new MockPrintStream(outputStream);
        printStream.setPrintCallHistory(new ArrayList<String>());
        ui = new UI(printStream);
    }

tarynsauer

import java.io.*;

public class UI {
  private PrintStream stream;

  public UI(PrintStream stream) {
    this.stream = stream;
  }
    InputStream input = System.in;
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(input));

tarynsauer

public class AIPlayer implements Player {
    private String marker;
    private Player opponent;

    public AIPlayer(String marker) {
        this.marker = marker;
    }

    @Override
    public String getMarker() {

tarynsauer

public class AIPlayer extends AbstractPlayer {

    public AIPlayer(String marker) {
        super(marker);
    }

    @Override
    public void makeMove(Board board) {
      String move = AI.getAIMove();
      int moveIndex = Integer.parseInt(move);

tarynsauer

abstract class AbstractPlayer implements Player {
    private String marker;
    private Player opponent;

    public String getMarker() {
        return marker;
    }

    public Player getOpponent() {
        return opponent;

tarynsauer

public interface Player {
    public String getMarker();
    public Player getOpponent();

    void setOpponent(Player player);

    void addMarker(Board board, int move);
    void makeMove(Board board);
}

tarynsauer

public class AI {
    private AIPlayer currentPlayer;
    private static final int WIN = 1;
    private static final int LOSE = -1;
    private static final int TIE = 0;
    private static final int NEG_INF = -999;
    private static final int POS_INF = 999;

    public AI(AIPlayer currentPlayer) {
        this.currentPlayer = currentPlayer;

tarynsauer

public class Board {

    private int rows = 3;
    private String[] cells;
    private int[][] winningLines = new int[8][3];

    public Board() {
      cells = new String[9];
      for (int num = 1; num <= (cells.length); num++) {
        int i = num - 1;

tarynsauer

import org.junit.Before;
import org.junit.Test;

import java.util.Arrays;
import java.util.ArrayList;

import static junit.framework.Assert.assertTrue;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;

tarynsauer

import org.junit.Before;
import org.junit.Test;

import java.util.Arrays;

import static org.junit.Assert.assertEquals;

public class HumanPlayerTest {
    private HumanPlayer player;
    private Board board;