extract before method

fh.fd.ci.server/src/main/java/de/fd/fh/server/access/web/AccessController.java

@@ -10,6 +10,7 @@ import de.fd.fh.shared.network.messages.LoginRequest;
 import de.fd.fh.shared.network.messages.RegistrateRequest;
 import spark.Request;
 import spark.Response;
+import spark.Spark;
 
 import static spark.Spark.*;
 
@@ -86,20 +87,21 @@ public class AccessController
         return response;
     }
 
-    public AccessController(final AccessService service)
+    public void before(final Request req)
     {
-        this.service = service;
-        before("/*",
-                (req, res) ->
-                {
-                    final String path = req.pathInfo();
-                    final String token = req.headers(Utils.AUTHENTICATION_HEADER);
+        final String path = req.pathInfo();
+        final String token = req.headers(Utils.AUTHENTICATION_HEADER);
 
-                    final AccessToken accessToken = service.before(path, token);
+        final AccessToken accessToken = service.before(path, token);
+
+        req.session().attribute("userId",
+                accessToken);
+    }
 
-                    req.session().attribute("userId",
-                            accessToken);
-                });
+    public AccessController(final AccessService service)
+    {
+        this.service = service;
+        Spark.before("/*", (req, res) -> before(req));
 
         post("/accounts/registrate", this::registrate);
 

fh.fd.ci.server/src/test/java/de/fd/fh/server/access/web/AccessControllerTest.java

@@ -3,6 +3,8 @@ package de.fd.fh.server.access.web;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import de.fd.fh.server.access.AccessService;
 import de.fd.fh.server.access.AccessToken;
+import de.fd.fh.server.access.Role;
+import de.fd.fh.server.user.UserId;
 import de.fd.fh.shared.network.messages.LoginRequest;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -14,6 +16,7 @@ import spark.Response;
 import spark.Session;
 
 import java.io.IOException;
+import java.time.LocalDateTime;
 
 import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.any;
@@ -197,4 +200,26 @@ class AccessControllerTest
         then(service).shouldHaveNoMoreInteractions();
         assertEquals(Integer.valueOf(400), statusCaptor.getValue(), "Should return Status code 400.");
     }
+
+    @Test
+    void testBefore()
+    {
+        final AccessToken dummy = new AccessToken("TestToken", LocalDateTime.now(), Role.USER, UserId.random());
+
+        when(request.pathInfo()).thenReturn("/test/path");
+        when(request.headers(any())).thenReturn("TestAuthHeader");
+        when(request.session()).thenReturn(session);
+        when(service.before(any(), any()))
+                .thenReturn(dummy);
+
+        final ArgumentCaptor<AccessToken> captor = ArgumentCaptor.forClass(AccessToken.class);
+
+        new AccessController(service).before(request);
+
+        verify(session).attribute(any(), captor.capture());
+
+        assertEquals(dummy, captor.getValue(), "Should store Token in Session");
+        then(service).should().before(any(), any());
+        then(service).shouldHaveNoMoreInteractions();
+    }
 }