diff --git a/tests/Controller/RegistrationControllerTest.php b/tests/Controller/RegistrationControllerTest.php
index e69de29..ad297b2 100644
--- a/tests/Controller/RegistrationControllerTest.php
+++ b/tests/Controller/RegistrationControllerTest.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace App\Tests\Controller;
+
+use ApiPlatform\Symfony\Bundle\Test\ApiTestCase;
+use App\Factory\UserFactory;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Zenstruck\Foundry\Test\Factories;
+use Zenstruck\Foundry\Test\ResetDatabase;
+
+final class RegistrationControllerTest extends ApiTestCase
+{
+    use ResetDatabase;
+    use Factories;
+
+    protected static ContainerInterface $container;
+    protected static EntityManagerInterface $entityManager;
+
+    protected function setUp(): void
+    {
+        RegistrationControllerTest::$container = RegistrationControllerTest::getContainer();
+        RegistrationControllerTest::$entityManager = RegistrationControllerTest::$container->get(EntityManagerInterface::class);
+    }
+
+    public function testRegister(): void
+    {
+        $testUser = UserFactory::createOne();
+        RegistrationControllerTest::$entityManager->remove($testUser);
+        RegistrationControllerTest::$entityManager->flush();
+
+        $client = $this->createClient();
+        $client->request('POST', '/api/register', [
+            'json' => [
+                'email' => $testUser->getEmail(),
+                'password' => $testUser->getPlainPassword(),
+            ],
+        ]);
+        $this->assertResponseIsSuccessful();
+        $this->assertResponseStatusCodeSame(201);
+    }
+
+    public function testRegisterEmptyEmail(): void
+    {
+        $client = $this->createClient();
+        $client->request('POST', '/api/register', [
+            'json' => [
+                'email' => '',
+                'password' => 'MySuperPassword123',
+            ],
+        ]);
+        $this->assertResponseStatusCodeSame(400);
+    }
+
+    public function testRegisterEmptyPassword(): void
+    {
+        $client = $this->createClient();
+        $client->request('POST', '/api/register', [
+            'json' => [
+                'email' => 'test@domainwatchdog.eu',
+                'password' => '',
+            ],
+        ]);
+        $this->assertResponseStatusCodeSame(400);
+    }
+
+    public function testRegisterWeakPassword(): void
+    {
+        $client = $this->createClient();
+        $client->request('POST', '/api/register', [
+            'json' => [
+                'email' => 'test@domainwatchdog.eu',
+                'password' => '123',
+            ],
+        ]);
+        $this->assertResponseStatusCodeSame(400);
+    }
+}