extract login method

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

@@ -1,5 +1,6 @@
 package de.fd.fh.server.access.web;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import de.fd.fh.server.access.AccessService;
 import de.fd.fh.server.access.AccessToken;
@@ -50,6 +51,25 @@ public class AccessController
         return response;
     }
 
+    public Object login(Request request, Response response) throws JsonProcessingException
+    {
+        final String header = request.headers(Utils.AUTHENTICATION_HEADER);
+
+        final LoginRequest login = service.authorization(header);
+
+        if (login == null)
+        {
+            response.status(401);
+        }
+        else
+        {
+            response.status(200);
+            response.type("application/json");
+            response.body(objectMapper.writeValueAsString(login));
+        }
+        return response;
+    }
+
     public AccessController(final AccessService service)
     {
         this.service = service;
@@ -83,25 +103,7 @@ public class AccessController
                 }
         );
 
-        post("/accounts/login",
-                (request, response) ->
-                {
-                    final String header = request.headers(Utils.AUTHENTICATION_HEADER);
-
-                    final LoginRequest login = service.authorization(header);
-
-                    if (login == null)
-                    {
-                        response.status(401);
-                    }
-                    else
-                    {
-                        response.status(200);
-                        response.type("application/json");
-                        response.body(objectMapper.writeValueAsString(login));
-                    }
-                    return response;
-                });
+        post("/accounts/login", this::login);
 
         post("/accounts/logout",this::logout);
 

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

@@ -1,7 +1,9 @@
 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.shared.network.messages.LoginRequest;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
@@ -109,4 +111,52 @@ class AccessControllerTest
 
         assertEquals(captor.getValue(), Integer.valueOf(400), "Should return Status code 400.");
     }
+
+    @Test
+    void loginTest() throws JsonProcessingException
+    {
+        final LoginRequest dummy = new LoginRequest();
+        dummy.setName("TestName");
+        dummy.setToken("TestToken");
+        dummy.setUserId("12345");
+
+        when(request.headers(any())).thenReturn("testHeader");
+        when(service.authorization(any())).thenReturn(dummy);
+
+        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+        final ArgumentCaptor<String> typeCaptor = ArgumentCaptor.forClass(String.class);
+        final ArgumentCaptor<String> bodyCaptor = ArgumentCaptor.forClass(String.class);
+
+        new AccessController(service).login(request, response);
+
+        verify(response).status(statusCaptor.capture());
+        verify(response).type(typeCaptor.capture());
+        verify(response).body(bodyCaptor.capture());
+
+        then(service).should().authorization(any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(Integer.valueOf(200), statusCaptor.getValue(), "Should return Status code 200.");
+        assertEquals("application/json", typeCaptor.getValue(), "Should have return type json.");
+        assertEquals("{\"name\":\"TestName\",\"userId\":\"12345\",\"token\":\"TestToken\"}",
+                bodyCaptor.getValue(), "Should return correct Body.");
+    }
+
+    @Test
+    void failedLoginTest() throws JsonProcessingException
+    {
+        when(request.headers(any())).thenReturn("testHeader");
+        when(service.authorization(any())).thenReturn(null);
+
+        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);
+
+        new AccessController(service).login(request, response);
+
+        verify(response).status(statusCaptor.capture());
+
+        then(service).should().authorization(any());
+        then(service).shouldHaveNoMoreInteractions();
+
+        assertEquals(Integer.valueOf(401), statusCaptor.getValue(), "Should return Status code 401.");
+    }
 }