Added getScanner() method for Cli class with test for testing stream integration

src/main/java/Application/Cli.java

@@ -1,16 +1,26 @@
 package Application;
 
+import java.io.InputStream;
 import java.io.PrintStream;
+import java.util.Scanner;
 
 public class Cli {
 
     private PrintStream printStream;
+    private InputStream inputStream;
+    private Scanner scanner;
 
-    public Cli(PrintStream printStream) {
+    public Cli(PrintStream printStream, InputStream inputStream) {
         this.printStream = printStream;
+        this.inputStream = inputStream;
+        this.scanner = new Scanner(inputStream);
     }
 
     public PrintStream getPrintStream() {
         return this.printStream;
     }
+
+    public Scanner getScanner(){
+        return this.scanner;
+    }
 }

src/main/java/Main.java

@@ -7,8 +7,8 @@ public class Main {
 
     public static void main(String[] args) {
         Tictactoe ttt = new Tictactoe();
-        Cli cli = new Cli(System.out);
-        Scanner scan = new Scanner(System.in);
+        Cli cli = new Cli(System.out, System.in);
+        Scanner scan = cli.getScanner();
         ttt.print(cli);
         while (scan.hasNext()) {
             ttt.update(scan.next());

src/test/java/Application/CliTest.java

@@ -4,7 +4,9 @@ import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
+import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
 import java.io.PrintStream;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -13,23 +15,34 @@ class CliTest {
 
     private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
     private final PrintStream originalOut = System.out;
+    private final ByteArrayInputStream inContent = new ByteArrayInputStream("Test".getBytes());
+    private final InputStream originalIn = System.in;
 
     Cli cli;
 
     @BeforeEach
     void setUp() {
         System.setOut(new PrintStream(outContent));
-        cli = new Cli(System.out);
+        System.setIn(inContent);
+        cli = new Cli(System.out, System.in);
     }
 
     @AfterEach
     void tearDown() {
         System.setOut(originalOut);
+        System.setIn(originalIn);
     }
 
+    //Only tests correct stream integration, other methods are provided
     @Test
     void getPrintStream() {
         cli.getPrintStream().println("Hello World!");
         assertEquals("Hello World!\n", outContent.toString().replaceAll("\r", ""));
     }
+
+    //Only tests correct stream integration, other methods are provided
+    @Test
+    void getScanner() {
+        assertEquals(cli.getScanner().next(), "Test");
+    }
 }