Fix and test Redirection when already authenticated

app/Http/Middleware/RedirectIfAuthenticated.php

@@ -18,7 +18,7 @@ class RedirectIfAuthenticated
     public function handle($request, Closure $next, $guard = null)
     {
         if (Auth::guard($guard)->check()) {
-            return redirect('/home');
+            return response()->json(['message' =>  __('auth.already_authenticated')], 400);
         }
 
         return $next($request);

resources/js/langs/locales.js

@@ -6,6 +6,7 @@ export default {
             "register": "Register",
             "hello": "Hi {username} !",
             "throttle": "Too many login attempts. Please try again in {seconds} seconds.",
+            "already_authenticated": "Already authenticated",
             "confirm": {
                 "logout": "Are you sure you want to log out?"
             },
@@ -267,6 +268,7 @@ export default {
             "register": "Créer un compte",
             "hello": "Hi {username} !",
             "throttle": "Trop de tentatives de connexion. Veuillez réessayer dans {seconds} secondes.",
+            "already_authenticated": "Déjà authentifié",
             "confirm": {
                 "logout": "Etes-vous sûrs de vouloir vous déconnecter ?"
             },

resources/lang/en/auth.php

@@ -18,6 +18,7 @@ return [
     'register' => 'Register',
     'hello' => 'Hi {username} !',
     'throttle' => 'Too many login attempts. Please try again in :seconds seconds.',
+    'already_authenticated' => 'Already authenticated',
     'confirm' => [
         'logout' => 'Are you sure you want to log out?',
     ],

resources/lang/fr/auth.php

@@ -18,6 +18,7 @@ return [
     'register' => 'Créer un compte',
     'hello' => 'Hi {username} !',
     'throttle' => 'Trop de tentatives de connexion. Veuillez réessayer dans :seconds secondes.',
+    'already_authenticated' => 'Déjà authentifié',
     'confirm' => [
         'logout' => 'Etes-vous sûrs de vouloir vous déconnecter ?',
     ],

tests/Feature/Auth/LoginTest.php

@@ -46,6 +46,32 @@ class LoginTest extends TestCase
     }
 
 
+    /**
+     * test User login via API
+     *
+     * @test
+     */
+    public function testUserLoginAlreadyAuthenticated()
+    {
+
+        $response = $this->json('POST', '/api/login', [
+            'email' => $this->user->email,
+            'password' => 'password'
+        ]);
+
+        $response = $this->actingAs($this->user, 'api')
+            ->json('POST', '/api/login', [
+                'email' => $this->user->email,
+                'password' => 'password'
+            ]);
+
+        $response->assertStatus(400)
+            ->assertJson([
+                'message' => __('auth.already_authenticated')
+            ]);
+    }
+
+
     /**
      * test User login with missing values via API
      *