Need to add flash when the issue isn't mismatching passwords on the Register User action.

app/src/Infrastructure/Middleware/VerifyPasswordMiddleware.php

@@ -1,29 +0,0 @@
-<?php
-
-namespace Slovocast\Infrastructure\Middleware;
-
-use Slovocast\Infrastructure\Middleware;
-use Psr\Http\Message\ServerRequestInterface as Request;
-use Psr\Http\Message\ResponseInterface as Response;
-
-
-class VerifyPasswordMiddleware extends Middleware
-{
-    public function invoke(
-        Request $request,
-        Response $response,
-        callable $next
-    ): Response {
-        // get user Data
-        $requestData = $request->getParsedBody();
-
-        if ($requestData['password'] !== $requestData['checked_password']) {
-            $this->session
-                 ->getFlash()
-                 ->add('error', "Passwords do not match.");
-            return $response->withStatus(400);
-        }
-
-        return $response;
-    }
-}

app/src/Routes.php

@@ -8,7 +8,7 @@ use Slovocast\Controller\User\{
     RegisterUserPage,
     RegisterUserAction
 };
-use Slovocast\Infrastructure\Middleware\VerifyPasswordMiddleware;
+use Slovocast\Middleware\VerifyPasswordMiddleware;
 
 class Routes
 {
@@ -23,6 +23,6 @@ class Routes
     {
         $app->get('/users/register', RegisterUserPage::class);
         $app->post('/users/register', RegisterUserAction::class)
-            ->add(new VerifyPasswordMiddleware());
+            ->add(VerifyPasswordMiddleware::class);
     }
 }

app/tests/Controller/User/RegisterUserActionTest.php

@@ -31,6 +31,18 @@ class RegisterUserActionTest extends TestCase
                     ]);
     }
 
+    protected function createNewUserRequestWithMismatchedPasswords(): Request
+    {
+        $user = $this->getUser();
+        return $this->createRequest('POST', '/users/register')
+                    ->withParsedBody([
+                        'email' => $user->getEmail(),
+                        'name' => $user->getName(),
+                        'password' => $user->getPassword(),
+                        'checked_password' => 'no-math'
+                    ]);
+    }
+
     public function testSuccessfulRegistration(): void
     {
         $user = $this->getUser();
@@ -77,4 +89,26 @@ class RegisterUserActionTest extends TestCase
         $this->assertNotEmpty($errorMessages);
         $this->assertEquals('Unable to register user.', $errorMessages[0]);
     }
+
+    public function testMismatchPassword(): void
+    {
+        $user = $this->getUser();
+        $app = $this->getAppInstance();
+
+        /** @var $container \DI\Cotnainer */
+        $container = $app->getContainer();
+
+        $userRepository = $this->prophesize(UserRepositoryInterface::class);
+        $userRepository->save($user)->willReturn(true);
+
+        $container->set(
+            UserRepositoryInterface::class,
+            $userRepository->reveal()
+        );
+
+        $request = $this->createNewUserRequestWithMismatchedPasswords();
+
+        $response = $app->handle($request);
+        $this->assertEquals(400, $response->getStatusCode());
+    }
 }