diff --git a/config/services.yaml b/config/services.yaml
index 2d6a76f..b4300e0 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -6,6 +6,10 @@
 parameters:
 
 services:
+    App\Repository\RarityRepository:
+        public: true
+    App\Repository\EmojiRepository:
+        public: true
     # default configuration for services in *this* file
     _defaults:
         autowire: true      # Automatically injects dependencies in your services.
diff --git a/src/Controller/EmojiController.php b/src/Controller/EmojiController.php
index 3bba42b..416e20e 100644
--- a/src/Controller/EmojiController.php
+++ b/src/Controller/EmojiController.php
@@ -34,6 +34,13 @@ class EmojiController extends AbstractController
         ]);
     }
 
+    #[Route('/count', name: 'count')]
+    public function count(EmojiRepository $emojiRepository): Response
+    {
+        $count = count($emojiRepository->findAll());
+        return new Response(['count' => $count]);
+    }
+
     #[Route('/addRarity', name: 'addR')]
     public function addRarityDebug(EntityManagerInterface $entityManager) {
         $rarity = new Rarity();
diff --git a/tests/Controller/EmojiControllerTest.php b/tests/Controller/EmojiControllerTest.php
new file mode 100644
index 0000000..a576786
--- /dev/null
+++ b/tests/Controller/EmojiControllerTest.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Tests\Controller;
+
+use App\Entity\Emoji;
+use App\Entity\Rarity;
+use App\Repository\EmojiRepository;
+use App\Repository\RarityRepository;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+use Symfony\Component\HttpFoundation\Response;
+
+class EmojiControllerTest extends WebTestCase
+{
+    private $client;
+    private EntityManagerInterface $em;
+
+    protected function setUp(): void
+    {
+        $this->client = static::createClient();
+        $this->em = static::getContainer()->get(EntityManagerInterface::class);
+
+        // Démarre une transaction pour pouvoir annuler les modifications des tests
+        $this->em->getConnection()->beginTransaction();
+    }
+
+    protected function tearDown(): void
+    {
+        // Rollback la transaction pour annuler les changements des tests
+        $this->em->getConnection()->rollBack();
+        parent::tearDown();
+    }
+
+    public function testReproduceEmoji(): void
+    {
+        $emoji1 = (new Emoji())
+            ->setCode('😀')
+            ->setName('Parent1')
+            ->setStrength(1.0)
+            ->setToughness(1.0)
+            ->setIntelligence(1.0)
+            ->setSpeed(1.0)
+            ->setFightsWon(5);
+
+        $emoji2 = (new Emoji())
+            ->setCode('😎')
+            ->setName('Parent2')
+            ->setStrength(2.0)
+            ->setToughness(2.0)
+            ->setIntelligence(2.0)
+            ->setSpeed(2.0)
+            ->setFightsWon(3);
+
+        $rarity = (new Rarity())
+            ->setName('Rare')
+            ->setDropRate(1.0);
+
+        $this->em->persist($rarity);
+        $this->em->persist($emoji1);
+        $this->em->persist($emoji2);
+        $this->em->flush();
+
+        $id1 = $emoji1->getId();
+        $id2 = $emoji2->getId();
+
+        $this->client->request('GET', "/emoji/fusion/$id1/$id2");
+
+        $response = $this->client->getResponse();
+        $this->assertEquals(Response::HTTP_OK, $response->getStatusCode());
+
+        $data = json_decode($response->getContent(), true);
+        $this->assertArrayHasKey('childId', $data);
+        $this->assertEquals('Child created', $data['message']);
+    }
+
+    public function testFusionEmojiNotFound(): void
+    {
+        $emojiRepo = $this->createMock(EmojiRepository::class);
+        $emojiRepo->method('find')->willReturn(null);
+
+        $this->client->request('GET', '/emoji/fusion/999/998');
+
+        $response = $this->client->getResponse();
+        $this->assertEquals(Response::HTTP_NOT_FOUND, $response->getStatusCode());
+
+        $data = json_decode($response->getContent(), true);
+        $this->assertEquals('One or both emojis not found', $data['error']);
+    }
+}