Turn checkChoose into Parameterized Test

src/main/java/Player.java

@@ -57,7 +57,14 @@ public class Player {
     public int choose() {
         scanner = new Scanner(System.in);
         System.out.println("Eingabe:");
-        int input = scanner.nextInt();
-        return input;
+        try{
+            int input = scanner.nextInt();
+            if (input > 4 || input < 1) {
+                return -1;
+            }
+            return input;
+        } catch (Exception e) {
+            return -1;
+        }
     }
 }

src/test/java/PlayerTest.java

@@ -177,17 +177,28 @@ public class PlayerTest {
         );
     }
 
-    @Test
-    void checkChooseMethod() {
-
+    @ParameterizedTest
+    @MethodSource("checkChooseMethodData")
+    void checkChoose(String testName, String input, int expectedResult) {
         InputStream stdin = System.in;
-        System.setIn(new ByteArrayInputStream("0\n".getBytes()));
+        System.setIn(new ByteArrayInputStream(input.getBytes()));
 
         int calculatedResult = p.choose();
 
-        System.setIn(stdin);
+        assertThat(calculatedResult).describedAs(testName).isEqualTo(expectedResult);
+    }
 
-        int expectedResult = 0;
-        assertThat(calculatedResult).describedAs("Choose one Figure").isEqualTo(expectedResult);
+    static Stream<Arguments> checkChooseMethodData() {
+        return Stream.of(
+                Arguments.of("Figure 1 choosen", "1\n", 1),
+                Arguments.of("Figure 2 choosen", "2\n", 2),
+                Arguments.of("Figure 3 choosen", "3\n", 3),
+                Arguments.of("Figure 4 choosen", "4\n", 4),
+                Arguments.of("Index out of bounds choosen", "16\n", -1),
+                Arguments.of("Index out of bounds choosen", "-2\n", -1),
+                Arguments.of("Input a letter or char", "g\n", -1),
+                Arguments.of("Input a empty string", "\n", -1),
+                Arguments.of("Input a special character", "&\n", -1)
+                );
     }
 }