Tests added

src/main/java/io/fp/Primzahlen/App.java

@@ -2,7 +2,7 @@ package io.fp.Primzahlen;
 
 public class App {
     public static void main(String[] args) {
-        Spiel spiel = new Spiel();
+        PrimGame spiel = new PrimGame();
         spiel.play();
     }
 }

src/main/java/io/fp/Primzahlen/Level.java

 package io.fp.Primzahlen;
 
 public enum Level {
-        EINFACH,MITTEL, SCHWER;
+        BEGINNER, INTERMEDIATE, PRO;
 
         public Level getNextLevel() {
             return values()[(ordinal() +1) % values().length];

src/main/java/io/fp/Primzahlen/Spiel.java → src/main/java/io/fp/Primzahlen/PrimGame.java

@@ -3,12 +3,24 @@ package io.fp.Primzahlen;
 import java.util.Random;
 import java.util.Scanner;
 
-public class Spiel {
+public class PrimGame {
     private Level level;
-    private int zahl;
+    private int number;
 
-    public Spiel() {
-        this.level = Level.EINFACH;
+    public PrimGame() {
+        this.level = Level.BEGINNER;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+
+    public Level getLevel() {
+        return level;
+    }
+
+    public void levelUp(){
+        level = level.getNextLevel();
     }
 
     public boolean checkIfPrim(int anwser) {
@@ -24,17 +36,17 @@ public class Spiel {
         int i = 0;
         Random rand = new Random();
         switch (level) {
-            case EINFACH:
+            case BEGINNER:
                 i = rand.nextInt(100 - 1 + 1) + 1;
                 break;
-            case MITTEL:
+            case INTERMEDIATE:
                 i = rand.nextInt(800 - 100 + 1) + 100;
                 break;
-            case SCHWER:
+            case PRO:
                 i = rand.nextInt(1000 - 800 + 1) + 800;
                 break;
         }
-        zahl = i;
+        number = i;
     }
 
     public void play() {
@@ -42,14 +54,14 @@ public class Spiel {
         try (Scanner scanner = new Scanner(System.in)) {
             for (int i = 0; i < 15; i++) {
                 if (i == 5 || i == 10) {
-                    level = level.getNextLevel();
+                    levelUp();
                     System.out.println("You reached the Level: " + level.toString());
                 }
                 generateNumber();
-                System.out.println("Is " + zahl + " a prime number? (true/false)");
+                System.out.println("Is " + number + " a prime number? (true/false)");
 
                 String answer = scanner.nextLine();
-                if (checkIfPrim(zahl) == Boolean.parseBoolean(answer)) {
+                if (checkIfPrim(number) == Boolean.parseBoolean(answer)) {
                     System.out.println("You right!");
                     count++;
                 }

src/test/java/io/fp/Primzahlen/AppTest.java

+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package io.fp.Primzahlen;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+class AppTest {
+    PrimGame game;
+
+    @BeforeEach
+    void setUp(){
+        game = new PrimGame();
+    }
+    @Test void testifCorrect() {
+        assertEquals(true, game.checkIfPrim(11));      
+    }
+
+    @Test void testifCorrectforBeginner() {        
+        int[] prim = new int[] {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47 , 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
+        
+        for(int i : prim){            
+        assertEquals(true, game.checkIfPrim(i)); 
+        }
+     
+    }
+
+    @Test void testLevel() {
+        game.generateNumber();
+        assertTrue(game.getNumber()<100);
+        game.levelUp();
+        game.generateNumber();
+        assertTrue(game.getNumber()<800&& game.getNumber()>100);
+        game.levelUp();
+        game.generateNumber();
+        assertTrue(game.getNumber()<1000 && game.getNumber()>800);
+    }
+
+}