test: DevisController search() 100% coverage (3 tests)

- testSearchEmptyQuery, testSearchWhitespaceQuery, testSearchWithResults

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

tests/Controller/Admin/DevisControllerTest.php

@@ -1381,4 +1381,69 @@ class DevisControllerTest extends TestCase
         $response = $controller->services(1, 'unknown');
         $this->assertSame('[]', $response->getContent());
     }
+
+    // ── search ──
+
+    public function testSearchEmptyQuery(): void
+    {
+        $em = $this->createStub(EntityManagerInterface::class);
+        $controller = $this->buildControllerWithEm($em);
+
+        $request = new Request(['q' => '']);
+        $response = $controller->search(1, $request);
+        $this->assertSame('[]', $response->getContent());
+    }
+
+    public function testSearchWhitespaceQuery(): void
+    {
+        $em = $this->createStub(EntityManagerInterface::class);
+        $controller = $this->buildControllerWithEm($em);
+
+        $request = new Request(['q' => '   ']);
+        $response = $controller->search(1, $request);
+        $this->assertSame('[]', $response->getContent());
+    }
+
+    public function testSearchWithResults(): void
+    {
+        $meilisearch = $this->createMock(\App\Service\MeilisearchService::class);
+        $meilisearch->method('searchDevis')->with('test', 20, 42)->willReturn([
+            ['numOrder' => '04/2026-00001', 'customerName' => 'Client A'],
+        ]);
+
+        $em = $this->createStub(EntityManagerInterface::class);
+        $controller = new DevisController(
+            $em,
+            $this->createStub(\App\Service\OrderNumberService::class),
+            $this->createStub(\App\Service\DevisService::class),
+            $meilisearch,
+        );
+
+        $session = new Session(new MockArraySessionStorage());
+        $stack = $this->createStub(RequestStack::class);
+        $stack->method('getSession')->willReturn($session);
+
+        $container = $this->createStub(ContainerInterface::class);
+        $container->method('has')->willReturnMap([
+            ['twig', true], ['router', true], ['security.authorization_checker', true],
+            ['security.token_storage', true], ['request_stack', true], ['parameter_bag', true],
+            ['serializer', false],
+        ]);
+        $container->method('get')->willReturnMap([
+            ['twig', $this->createStub(Environment::class)],
+            ['router', $this->createStub(RouterInterface::class)],
+            ['security.authorization_checker', $this->createStub(AuthorizationCheckerInterface::class)],
+            ['security.token_storage', $this->createStub(TokenStorageInterface::class)],
+            ['request_stack', $stack],
+            ['parameter_bag', $this->createStub(ParameterBagInterface::class)],
+        ]);
+        $controller->setContainer($container);
+
+        $request = new Request(['q' => 'test']);
+        $response = $controller->search(42, $request);
+
+        $data = json_decode($response->getContent(), true);
+        $this->assertCount(1, $data);
+        $this->assertSame('04/2026-00001', $data[0]['numOrder']);
+    }
 }