Added Menu navigation to App class with weak test case (depending on implementation)

src/main/java/Application/App.java

@@ -1,13 +1,20 @@
 package Application;
 
+import Game.Game;
 import Game.Tictactoe;
 
+import java.util.ArrayList;
+import java.util.Scanner;
+
 public class App {
 
     private boolean isRunning = false;
     private Cli cli;
 
-    private Tictactoe ttt;
+    private boolean inMenu = true;
+    private MenuManager menuManager;
+
+    private Game currentGame;
 
     public App(Cli cli) {
         this.cli = cli;
@@ -15,23 +22,33 @@ public class App {
     }
 
     private void init() {
-        ttt = new Tictactoe();
+        menuManager = initMenuManager();
+
+        cli.clearConsole();
         cli.getPrintStream().println("Welcome to the Cli Arcade Service!");
         cli.getPrintStream().println("Press 'q' at any time to stop the application");
-        ttt.print(cli);
+        cli.getPrintStream().println("Select a item by typing the number next to it");
+
+        cli.getPrintStream().print(menuManager.getFormattedMenuList());
     }
 
     public void start() {
         isRunning = true;
         while (isRunning) {
-            String input = cli.getScanner().next();
+            String input = cli.getScanner().nextLine();
             if (input.equals("q")) {
                 stop();
                 return;
             } else {
-                ttt.update(input);
+                if (inMenu) {
+                    cli.clearConsole();
+                    cli.getPrintStream().println("Select a item by typing the number next to it");
+                    selectMenuItem(input);
+                } else {
                     cli.clearConsole();
-                ttt.print(cli);
+                    currentGame.update(input);
+                    currentGame.print(cli);
+                }
             }
         }
     }
@@ -44,4 +61,60 @@ public class App {
     public boolean isRunning() {
         return isRunning;
     }
+
+    public Game getCurrentGame() {
+        return this.currentGame;
+    }
+
+    private MenuManager initMenuManager() {
+        MenuManager mm = new MenuManager();
+        ArrayList<Menu> gameList = new ArrayList<>();
+
+        gameList.add(new Menu("Tic Tac Toe"));
+        gameList.add(new Menu("Tic Toe"));
+
+        Menu gameMenu = new Menu("Games");
+
+        gameMenu.addMenu(new Menu("Back"));
+        for (Menu game : gameList) {
+            game.addMenu(new Menu("Back"));
+            gameMenu.addMenu(game);
+        }
+        mm.addMenu(gameMenu);
+
+        return mm;
+    }
+
+    protected void selectMenuItem(String input) {
+        Scanner scanner = new Scanner(input);
+        if (scanner.hasNextInt()) {
+            int index = scanner.nextInt() - 1;
+            menuManager.select(index);
+            if (menuManager.getCurrentMenu() != null) {
+                switch (menuManager.getCurrentMenu().getName()) {
+                    case "Back":
+                        try {
+                            menuManager.back();
+                            menuManager.back();
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                        break;
+                    case "Tic Tac Toe":
+                        setCurrentGame(new Tictactoe());
+                        return;
+                    default:
+                        break;
+                }
+            }
+        }
+        cli.getPrintStream().print(menuManager.getFormattedMenuList());
+    }
+
+    private void setCurrentGame(Game game) {
+        inMenu = false;
+        currentGame = game;
+        cli.clearConsole();
+        currentGame.print(cli);
+    }
 }

src/test/java/Application/AppTest.java

@@ -4,12 +4,11 @@ import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import java.io.*;
-import java.nio.charset.StandardCharsets;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 class AppTest {
 
@@ -41,4 +40,12 @@ class AppTest {
         assertFalse(app.isRunning());
     }
 
+    @Test
+    void selectMenuItem() {
+        assertNull(app.getCurrentGame());
+        app.selectMenuItem("1");
+        assertNull(app.getCurrentGame());
+        app.selectMenuItem("2");
+        assertNotNull(app.getCurrentGame());
+    }
 }