add createGame-Method and Test

fh.fd.ci.server/src/main/java/de/fd/fh/server/game/web/GameController.java

@@ -0,0 +1,40 @@
+package de.fd.fh.server.game.web;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import de.fd.fh.server.game.GameId;
+import de.fd.fh.server.game.GameService;
+import de.fd.fh.server.user.UserId;
+import de.fd.fh.shared.network.messages.CreateGameRequest;
+import lombok.RequiredArgsConstructor;
+import spark.Request;
+import spark.Response;
+
+import java.io.IOException;
+
+@RequiredArgsConstructor
+public class GameController
+{
+    private final ObjectMapper objectMapper = new ObjectMapper();
+
+    private final GameService service;
+
+    public void createGame(final Request request, final Response response) throws IOException
+    {
+        final CreateGameRequest createRequest = objectMapper.readValue(request.body(), CreateGameRequest.class);
+
+        final UserId whiteUser = UserId.of(createRequest.getWhiteUserId());
+        final UserId blackUser = UserId.of(createRequest.getBlackUserId());
+
+        final GameId gameId = service.createGame(blackUser, whiteUser);
+
+        if (gameId == null)
+        {
+            response.status(400);
+        }
+        else
+        {
+            response.body(objectMapper.writeValueAsString(gameId));
+            response.status(201);
+        }
+    }
+}

fh.fd.ci.server/src/test/java/de/fd/fh/server/game/web/GameControllerTest.java

@@ -1,17 +1,20 @@
 package de.fd.fh.server.game.web;
 
-import de.fd.fh.server.access.AccessToken;
 import de.fd.fh.server.game.GameId;
 import de.fd.fh.server.game.GameService;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import spark.Request;
 import spark.Response;
-import spark.Session;
 
+import java.io.IOException;
+
+import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 public class GameControllerTest
@@ -21,8 +24,6 @@ public class GameControllerTest
     @Mock
     Response response;
     @Mock
-    Session session;
-    @Mock
     GameService service;
 
     @BeforeEach
@@ -32,12 +33,39 @@ public class GameControllerTest
     }
 
     @Test
-    void testCreateGameTest()
+    void testCreateGame() throws IOException
     {
-        when(request.body()).thenReturn("{\"userName\":\"TestName\",\"password\":\"TestPassword\"}");
-        when(request.session()).thenReturn(session);
-        when(service.createGame(any())).thenReturn(GameId.random());
+        when(request.body()).thenReturn("{\"whiteUserId\":\"12345\",\"blackUserId\":\"98765\"}");
+        when(service.createGame(any(), any())).thenReturn(GameId.of("56789"));
+
+        ArgumentCaptor<String> bodyCaptor = ArgumentCaptor.forClass(String.class);
+        ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
 
         new GameController(service).createGame(request, response);
+
+        verify(response).body(bodyCaptor.capture());
+        verify(response).status(statusCaptor.capture());
+
+        assertNotNull(bodyCaptor.getValue());
+        assertTrue(bodyCaptor.getValue().contains("56789"));
+
+        assertNotNull(statusCaptor.getValue());
+        assertEquals(201, statusCaptor.getValue());
+    }
+
+    @Test
+    void testFailedCreateGame() throws IOException
+    {
+        when(request.body()).thenReturn("{\"whiteUserId\":\"12345\",\"blackUserId\":\"98765\"}");
+        when(service.createGame(any(), any())).thenReturn(null);
+
+        ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+
+        new GameController(service).createGame(request, response);
+
+        verify(response).status(statusCaptor.capture());
+
+        assertNotNull(statusCaptor.getValue());
+        assertEquals(400, statusCaptor.getValue());
     }
 }

fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/CreateGameRequest.java

@@ -0,0 +1,14 @@
+package de.fd.fh.shared.network.messages;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreateGameRequest
+{
+    private String whiteUserId;
+    private String blackUserId;
+}