extract getCompleteUser method

fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/UserController.java

@@ -32,39 +32,36 @@ public class UserController
         return response;
     }
 
-    public UserController(final UserService service)
+    public Response getCompleteUser(Request request, Response response) throws JsonProcessingException
     {
-        this.service = service;
-        post("/users",
-                ((request, response) ->
-                {
-                    final UserId userId =
-                            ((AccessToken) request.session()
-                                    .attribute("userId"))
-                                    .getUserId();
+        final UserId userId =
+                ((AccessToken) request.session()
+                        .attribute("userId"))
+                        .getUserId();
 
-                    final ChangeUserRequest message = objectMapper.readValue(request.body(),
-                            ChangeUserRequest.class);
+        final User user = service.getPlayer(userId);
 
-                    final User user = service.changePlayer(
-                            userId,
-                            message);
+        if (user == null)
+        {
+            response.status(404);
+        }
+        else
+        {
+            response.status(200);
+            response.type("application/json");
 
-                    if (user == null)
-                    {
-                        response.status(400);
-                    }
-                    else
-                    {
-                        response.status(200);
-                        response.type("application/json");
+            response.body(objectMapper.writeValueAsString(user));
 
-                        return objectMapper.writeValueAsString(user);
-                    }
+            return response;
+        }
 
-                    return response;
-                }
-                ));
+        return response;
+    }
+
+    public UserController(final UserService service)
+    {
+        this.service = service;
+        post("/users", this::getCompleteUser);
 
         get("/users",
                 (request, response) ->

fh.fd.ci.server/src/test/java/de/fd/fh/server/user/web/UserControllerTest.java

@@ -1,6 +1,9 @@
 package de.fd.fh.server.user.web;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
+import de.fd.fh.server.access.AccessToken;
+import de.fd.fh.server.user.User;
+import de.fd.fh.server.user.UserId;
 import de.fd.fh.server.user.UserService;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -24,6 +27,8 @@ class UserControllerTest
     @Mock
     Response response;
     @Mock
+    Session session;
+    @Mock
     UserService service;
 
     @BeforeEach
@@ -67,4 +72,52 @@ class UserControllerTest
         then(service).should().getSmallPlayer(any());
         then(service).shouldHaveNoMoreInteractions();
     }
+
+    @Test
+    void getCompleteUserTest() throws JsonProcessingException
+    {
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(
+                new AccessToken(null, null, null, UserId.of("12345")));
+        when(service.getPlayer(any(UserId.class))).thenReturn(User.of("TestName"));
+
+        final ArgumentCaptor<Integer> statusCapture = ArgumentCaptor.forClass(Integer.class);
+        final ArgumentCaptor<String> bodyCapture = ArgumentCaptor.forClass(String.class);
+        final ArgumentCaptor<String> typeCapture = ArgumentCaptor.forClass(String.class);
+
+        final Response result = new UserController(service).getCompleteUser(request, response);
+
+        verify(response).status(statusCapture.capture());
+        verify(response).type(typeCapture.capture());
+        verify(response).body(bodyCapture.capture());
+
+        assertEquals(response, result, "Should return the incoming Response");
+        assertEquals(Integer.valueOf(200), statusCapture.getValue(), "Should return status code 200.");
+        assertEquals("application/json", typeCapture.getValue(), "Should have content type json.");
+        assertEquals("{\"id\":null,\"name\":\"TestName\"}", bodyCapture.getValue(), "Should return user as json.");
+
+        then(service).should().getPlayer(any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+
+    @Test
+    void failedGetCompleteUserTest() throws JsonProcessingException
+    {
+        when(request.session()).thenReturn(session);
+        when(session.attribute(any())).thenReturn(
+                new AccessToken(null, null, null, UserId.of("12345")));
+        when(service.getPlayer(any(UserId.class))).thenReturn(null);
+
+        final ArgumentCaptor<Integer> capture = ArgumentCaptor.forClass(Integer.class);
+
+        final Response result = new UserController(service).getCompleteUser(request, response);
+
+        verify(response).status(capture.capture());
+
+        assertEquals(response, result, "Should return the incoming Response");
+        assertEquals(Integer.valueOf(404), capture.getValue(), "Should return status code 200.");
+        then(service).should().getPlayer(any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
+
 }