diff --git a/tests/Controller/AccountControllerTest.php b/tests/Controller/AccountControllerTest.php
index 646428b..d07a408 100644
--- a/tests/Controller/AccountControllerTest.php
+++ b/tests/Controller/AccountControllerTest.php
@@ -38,6 +38,49 @@ class AccountControllerTest extends WebTestCase
         self::assertResponseIsSuccessful();
     }
 
+    public function testAccountTicketsTabWithTickets(): void
+    {
+        $client = static::createClient();
+        $em = static::getContainer()->get(EntityManagerInterface::class);
+        $user = $this->createUser(['ROLE_ORGANIZER'], true);
+
+        $event = $this->createEvent($em, $user);
+        $category = $this->createCategory($em, $event);
+        $billet = $this->createBillet($em, $category);
+
+        $order = new \App\Entity\BilletBuyer();
+        $order->setEvent($event);
+        $order->setUser($user);
+        $order->setFirstName($user->getFirstName());
+        $order->setLastName($user->getLastName());
+        $order->setEmail($user->getEmail());
+        $order->setOrderNumber('2026-03-21-999');
+        $order->setTotalHT(1000);
+        $order->setStatus(\App\Entity\BilletBuyer::STATUS_PAID);
+
+        $item = new \App\Entity\BilletBuyerItem();
+        $item->setBillet($billet);
+        $item->setBilletName('Test Billet');
+        $item->setQuantity(1);
+        $item->setUnitPriceHT(1000);
+        $order->addItem($item);
+        $em->persist($order);
+        $em->flush();
+
+        $ticket = new \App\Entity\BilletOrder();
+        $ticket->setBilletBuyer($order);
+        $ticket->setBillet($billet);
+        $ticket->setBilletName('Test Billet');
+        $ticket->setUnitPriceHT(1000);
+        $em->persist($ticket);
+        $em->flush();
+
+        $client->loginUser($user);
+        $client->request('GET', '/mon-compte?tab=tickets');
+
+        self::assertResponseIsSuccessful();
+    }
+
     public function testAccountPurchasesTab(): void
     {
         $client = static::createClient();
diff --git a/tests/Service/OrderIndexServiceTest.php b/tests/Service/OrderIndexServiceTest.php
new file mode 100644
index 0000000..3af4fac
--- /dev/null
+++ b/tests/Service/OrderIndexServiceTest.php
@@ -0,0 +1,149 @@
+<?php
+
+namespace App\Tests\Service;
+
+use App\Entity\BilletBuyer;
+use App\Entity\BilletBuyerItem;
+use App\Entity\Event;
+use App\Entity\User;
+use App\Repository\BilletBuyerRepository;
+use App\Service\MeilisearchService;
+use App\Service\OrderIndexService;
+use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Framework\TestCase;
+
+class OrderIndexServiceTest extends TestCase
+{
+    private function createMocks(): array
+    {
+        $meilisearch = $this->createMock(MeilisearchService::class);
+        $em = $this->createMock(EntityManagerInterface::class);
+
+        return [$meilisearch, $em, new OrderIndexService($meilisearch, $em)];
+    }
+
+    private function createOrder(): BilletBuyer
+    {
+        $user = new User();
+        $user->setEmail('orga@test.fr');
+        $user->setFirstName('Test');
+        $user->setLastName('Orga');
+        $user->setPassword('hashed');
+
+        $event = new Event();
+        $event->setAccount($user);
+        $event->setTitle('Test Event');
+        $event->setStartAt(new \DateTimeImmutable());
+        $event->setEndAt(new \DateTimeImmutable('+1 day'));
+        $event->setAddress('1 rue');
+        $event->setZipcode('75001');
+        $event->setCity('Paris');
+
+        $order = new BilletBuyer();
+        $order->setEvent($event);
+        $order->setFirstName('Jean');
+        $order->setLastName('Dupont');
+        $order->setEmail('jean@test.fr');
+        $order->setOrderNumber('2026-03-21-1');
+        $order->setTotalHT(1500);
+
+        $item = new BilletBuyerItem();
+        $item->setBilletName('Entree VIP');
+        $item->setQuantity(2);
+        $order->addItem($item);
+
+        return $order;
+    }
+
+    public function testSearchOrdersReturnsEmptyOnEmptyQuery(): void
+    {
+        [$meilisearch, $em, $service] = $this->createMocks();
+
+        $meilisearch->expects(self::never())->method('search');
+
+        $result = $service->searchOrders(1, '');
+
+        self::assertSame([], $result);
+    }
+
+    public function testSearchOrdersReturnResultsFromMeilisearch(): void
+    {
+        [$meilisearch, $em, $service] = $this->createMocks();
+
+        $order = $this->createOrder();
+
+        $meilisearch->expects(self::once())
+            ->method('search')
+            ->with('order_event_1', 'dupont')
+            ->willReturn(['hits' => [['id' => 42]]]);
+
+        $repo = $this->createMock(BilletBuyerRepository::class);
+        $repo->expects(self::once())
+            ->method('findBy')
+            ->with(['id' => [42]])
+            ->willReturn([$order]);
+
+        $em->expects(self::once())
+            ->method('getRepository')
+            ->with(BilletBuyer::class)
+            ->willReturn($repo);
+
+        $result = $service->searchOrders(1, 'dupont');
+
+        self::assertCount(1, $result);
+    }
+
+    public function testSearchOrdersReturnsEmptyOnNoHits(): void
+    {
+        [$meilisearch, $em, $service] = $this->createMocks();
+
+        $meilisearch->expects(self::once())
+            ->method('search')
+            ->willReturn(['hits' => []]);
+
+        $result = $service->searchOrders(1, 'inexistant');
+
+        self::assertSame([], $result);
+    }
+
+    public function testSearchOrdersReturnsEmptyOnException(): void
+    {
+        [$meilisearch, $em, $service] = $this->createMocks();
+
+        $meilisearch->expects(self::once())
+            ->method('search')
+            ->willThrowException(new \RuntimeException('Meilisearch down'));
+
+        $result = $service->searchOrders(1, 'test');
+
+        self::assertSame([], $result);
+    }
+
+    public function testIndexOrder(): void
+    {
+        [$meilisearch, $em, $service] = $this->createMocks();
+
+        $order = $this->createOrder();
+
+        $meilisearch->expects(self::once())->method('createIndexIfNotExists');
+        $meilisearch->expects(self::once())->method('addDocuments');
+
+        $service->indexOrder($order);
+    }
+
+    public function testIndexOrderHandlesException(): void
+    {
+        [$meilisearch, $em, $service] = $this->createMocks();
+
+        $order = $this->createOrder();
+
+        $meilisearch->expects(self::once())
+            ->method('createIndexIfNotExists')
+            ->willThrowException(new \RuntimeException('Meilisearch down'));
+
+        $service->indexOrder($order);
+
+        // No exception thrown
+        self::assertTrue(true);
+    }
+}