Added Cli class for centralized I/O management and getPrintStream() method with test.

Updated other classes for Cli class integration.

src/main/java/Application/Cli.java

@@ -0,0 +1,16 @@
+package Application;
+
+import java.io.PrintStream;
+
+public class Cli {
+
+    private PrintStream printStream;
+
+    public Cli(PrintStream printStream) {
+        this.printStream = printStream;
+    }
+
+    public PrintStream getPrintStream() {
+        return this.printStream;
+    }
+}

src/main/java/Application/Menu.java

@@ -8,13 +8,13 @@ public class Menu {
     private Menu previousMenu;
     private ArrayList<Menu> subMenuList;
 
-    public Menu(String name){
+    public Menu(String name) {
         setName(name);
         setPreviousMenu(null);
         subMenuList = new ArrayList<>();
     }
 
-    public void addMenu(Menu menu){
+    public void addMenu(Menu menu) {
         menu.setPreviousMenu(this);
         subMenuList.add(menu);
     }
@@ -27,7 +27,7 @@ public class Menu {
         this.name = name;
     }
 
-    public Menu getMenu(int i){
+    public Menu getMenu(int i) {
         return getSubMenuList().get(i);
     }
 
@@ -35,11 +35,11 @@ public class Menu {
         return this.subMenuList;
     }
 
-    private void setPreviousMenu(Menu menu){
+    private void setPreviousMenu(Menu menu) {
         this.previousMenu = menu;
     }
 
-    public Menu getPreviousMenu(){
+    public Menu getPreviousMenu() {
         return this.previousMenu;
     }
 }

src/main/java/Application/MenuManager.java

@@ -17,13 +17,13 @@ public class MenuManager {
     }
 
     public int getSize() {
-        if(inRootMenu())
+        if (inRootMenu())
             return menuList.size();
         return currentMenu.getSubMenuList().size();
     }
 
     public void select(int i) {
-        if(i < 0 || i >= this.getSize())
+        if (i < 0 || i >= this.getSize())
             return;
         if (currentMenu == null)
             this.currentMenu = menuList.get(i);

src/main/java/Game/Game.java

@@ -1,5 +1,7 @@
 package Game;
 
+import Application.Cli;
+
 import java.util.ArrayList;
 
 public abstract class Game {
@@ -9,9 +11,9 @@ public abstract class Game {
 
     public abstract void update(String input);
 
-    public void print() {
+    public void print(Cli cli) {
         for (String s : outputBuffer) {
-            System.out.println(s);
+            cli.getPrintStream().println(s);
         }
     }
 

src/main/java/Game/TicTacToe/Board.java

@@ -1,7 +1,6 @@
 package Game.TicTacToe;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 
 public class Board {
 
@@ -28,18 +27,17 @@ public class Board {
             states[i] = State.EMPTY;
         }
         winPatterns = new ArrayList<>();
-        winPatterns.add(new int[]{1,1,1,0,0,0,0,0,0});
-        winPatterns.add(new int[]{0,0,0,1,1,1,0,0,0});
-        winPatterns.add(new int[]{0,0,0,0,0,0,1,1,1});
-        winPatterns.add(new int[]{1,0,0,1,0,0,1,0,0});
-        winPatterns.add(new int[]{0,1,0,0,1,0,0,1,0});
-        winPatterns.add(new int[]{0,0,1,0,0,1,0,0,1});
-        winPatterns.add(new int[]{0,0,1,0,1,0,1,0,0});
-        winPatterns.add(new int[]{1,0,0,0,1,0,0,0,1});
+        winPatterns.add(new int[]{1, 1, 1, 0, 0, 0, 0, 0, 0});
+        winPatterns.add(new int[]{0, 0, 0, 1, 1, 1, 0, 0, 0});
+        winPatterns.add(new int[]{0, 0, 0, 0, 0, 0, 1, 1, 1});
+        winPatterns.add(new int[]{1, 0, 0, 1, 0, 0, 1, 0, 0});
+        winPatterns.add(new int[]{0, 1, 0, 0, 1, 0, 0, 1, 0});
+        winPatterns.add(new int[]{0, 0, 1, 0, 0, 1, 0, 0, 1});
+        winPatterns.add(new int[]{0, 0, 1, 0, 1, 0, 1, 0, 0});
+        winPatterns.add(new int[]{1, 0, 0, 0, 1, 0, 0, 0, 1});
     }
 
 
-
     public static char getStatedChar(State state) {
         switch (state) {
             case CIRCLE:
@@ -55,15 +53,15 @@ public class Board {
 
     public boolean setCellState(int cell, boolean cross) {
         if (cell <= 9 && cell >= 1) {
-            if (this.states[cell-1] != State.EMPTY) {
+            if (this.states[cell - 1] != State.EMPTY) {
                 return false;
             }
             if (cross) {
-                this.states[cell-1] = State.CROSS;
+                this.states[cell - 1] = State.CROSS;
             } else {
-                this.states[cell-1] = State.CIRCLE;
+                this.states[cell - 1] = State.CIRCLE;
             }
-        }else {
+        } else {
             return false;
         }
         return true;
@@ -83,15 +81,15 @@ public class Board {
     public ArrayList<String> getOutputBoard() {
         ArrayList<String> outputBoard = new ArrayList<>();
         outputBoard.add("1    ║2    ║3");
-        outputBoard.add("  " + getStatedChar(states[0]) + "  ║  " + getStatedChar(states[1]) + "  ║  " + getStatedChar(states[2]) +"  ");
+        outputBoard.add("  " + getStatedChar(states[0]) + "  ║  " + getStatedChar(states[1]) + "  ║  " + getStatedChar(states[2]) + "  ");
         outputBoard.add("═════╬═════╬═════");
 
         outputBoard.add("4    ║5    ║6");
-        outputBoard.add("  " + getStatedChar(states[3]) + "  ║  " + getStatedChar(states[4]) + "  ║  " + getStatedChar(states[5]) +"  ");
+        outputBoard.add("  " + getStatedChar(states[3]) + "  ║  " + getStatedChar(states[4]) + "  ║  " + getStatedChar(states[5]) + "  ");
         outputBoard.add("═════╬═════╬═════");
 
         outputBoard.add("7    ║8    ║9");
-        outputBoard.add("  " + getStatedChar(states[6]) + "  ║  " + getStatedChar(states[7]) + "  ║  " + getStatedChar(states[8]) +"  ");
+        outputBoard.add("  " + getStatedChar(states[6]) + "  ║  " + getStatedChar(states[7]) + "  ║  " + getStatedChar(states[8]) + "  ");
 
         return outputBoard;
     }
@@ -105,7 +103,7 @@ public class Board {
         if (!(o instanceof Board)) {
             return false;
         }
-        Board x = (Board)o;
+        Board x = (Board) o;
         for (int i = 0; i < x.getStates().length; i++) {
             if (this.getStates()[i] != x.getStates()[i]) {
                 return false;
@@ -156,7 +154,7 @@ public class Board {
 
         State[] stateArray = new State[9];
         for (int i = 0; i < temp.length; i++) {
-            switch(temp[i]) {
+            switch (temp[i]) {
                 case 1:
                     stateArray[i] = State.CIRCLE;
                     break;

src/main/java/Main.java

@@ -1,17 +1,18 @@
+import Application.Cli;
 import Game.Tictactoe;
 
 import java.util.Scanner;
 
 public class Main {
 
-    public static void main(String[] args){
-        System.out.println("Hello world!");
+    public static void main(String[] args) {
         Tictactoe ttt = new Tictactoe();
+        Cli cli = new Cli(System.out);
         Scanner scan = new Scanner(System.in);
-        ttt.print();
+        ttt.print(cli);
         while (scan.hasNext()) {
             ttt.update(scan.next());
-            ttt.print();
+            ttt.print(cli);
         }
     }
 }

src/test/java/Application/CliTest.java

@@ -0,0 +1,35 @@
+package Application;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class CliTest {
+
+    private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+    private final PrintStream originalOut = System.out;
+
+    Cli cli;
+
+    @BeforeEach
+    void setUp() {
+        System.setOut(new PrintStream(outContent));
+        cli = new Cli(System.out);
+    }
+
+    @AfterEach
+    void tearDown() {
+        System.setOut(originalOut);
+    }
+
+    @Test
+    void getPrintStream() {
+        cli.getPrintStream().println("Hello World!");
+        assertEquals("Hello World!\n", outContent.toString().replaceAll("\r", ""));
+    }
+}

src/test/java/Application/MenuManagerTest.java

@@ -78,7 +78,7 @@ class MenuManagerTest {
     }
 
     @Test
-    void getFormattedMenuList(){
+    void getFormattedMenuList() {
         assertEquals(mm.getFormattedMenuList(), "1: Menu1\n2: Menu2\n");
         mm.select(0);
         assertEquals(mm.getFormattedMenuList(), "1: Menu1.1\n");

src/test/java/Application/MenuTest.java

@@ -4,8 +4,6 @@ import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import java.util.ArrayList;
-
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -39,7 +37,7 @@ class MenuTest {
     }
 
     @Test
-    void getPreviousMenu(){
+    void getPreviousMenu() {
         assertTrue(rootMenu.getPreviousMenu() == null && rootMenu.getMenu(0).getPreviousMenu().getName().equals("Root") && rootMenu.getMenu(0).getMenu(0).getPreviousMenu().getName().equals("Menu1"));
     }
 

src/test/java/Game/GameTest.java

@@ -2,42 +2,17 @@ package Game;
 
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.mockito.Mockito;
-
-import java.io.ByteArrayOutputStream;
-import java.io.PrintStream;
-import java.util.ArrayList;
-
-import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.Mockito.mock;
 
 class GameTest {
 
-    private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
-    private final PrintStream originalOut = System.out;
-
-    Game game;
-
     @BeforeEach
     void setUp() {
-        System.setOut(new PrintStream(outContent));
-        game = mock(Game.class, Mockito.CALLS_REAL_METHODS);
+
     }
 
     @AfterEach
     void tearDown() {
-        System.setOut(originalOut);
-    }
 
-    @Test
-    public void print() {
-        ArrayList<String> testOB = new ArrayList<>();
-        testOB.add("Hello");
-        testOB.add("World");
-        testOB.add("!!!");
-        game.setOutputBuffer(testOB);
-        game.print();
-        assertEquals("Hello\nWorld\n!!!\n", outContent.toString().replaceAll("\r", ""));
     }
+
 }

src/test/java/Game/TicTacToe/BoardTest.java

@@ -1,6 +1,5 @@
 package Game.TicTacToe;
 
-import Game.Tictactoe;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -9,7 +8,6 @@ import org.mockito.internal.util.reflection.FieldSetter;
 import java.util.Arrays;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.Mockito.mock;
 
 class BoardTest {
 

src/test/java/Game/TictactoeTest.java

@@ -2,13 +2,6 @@ package Game;
 
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-
-import java.io.ByteArrayOutputStream;
-import java.io.PrintStream;
-import java.util.ArrayList;
-
-import static org.junit.jupiter.api.Assertions.*;
 
 class TictactoeTest {