setup new createGame-Test

fh.fd.ci.server/src/test/java/de/fd/fh/server/game/GameServiceTest.java

@@ -1,7 +1,9 @@
 package de.fd.fh.server.game;
 
+import de.fd.fh.server.user.UserId;
 import dev.morphia.Key;
 import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
 
 import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.any;
@@ -24,4 +26,19 @@ class GameServiceTest
         assertNotNull(result);
         assertEquals("98765", result.getIdentifier());
     }
+
+    @Test
+    void given_twoUserIds_when_initGame_should_initGame()
+    {
+        final UserId blackPlayer = UserId.of("12345");
+        final UserId whitePlayer = UserId.of("98765");
+
+        final GameRepository repository = when(mock(GameRepository.class).save(any()))
+                .thenReturn(new Key<>(Game.class, "testCollection", GameId.of("4242")))
+                .getMock();
+
+        final ArgumentCaptor<Game> captor = ArgumentCaptor.forClass(Game.class);
+
+        final GameId result = new GameService(repository).createGame(blackPlayer, whitePlayer);
+    }
 }