test fixes shopping cart component

src/Controller/Component/ShoppingCartComponent.php

@@ -73,7 +73,6 @@ class ShoppingCartComponent extends Component {
 		} else {
 			$cartsQ->where(['session_id' => $sessionId]);
 		}
-
 		return $cartsQ->firstOrFail();
 	}
 

tests/Fixture/CartsFixture.php

@@ -22,7 +22,7 @@ class CartsFixture extends TestFixture {
 			[
 				'id' => '74d1aa54-92a2-4039-bc10-61e1190c51ea',
 				'cart_type_id' => CartTypeId::Cart->value,
-				'session_id' => 'session_1',
+				'session_id' => 'cli',
 				'user_id' => null,
 				'user_id_uuid' => '5a34a6ae-7d3f-4dcf-bac7-57335b51e697',
 				'created' => '2025-10-08 09:55:15',
@@ -36,7 +36,7 @@ class CartsFixture extends TestFixture {
 			[
 				'id' => '74d1aa54-92a2-4039-bc10-61e1190c51eb',
 				'cart_type_id' => CartTypeId::Cart->value,
-				'session_id' => 'session_1',
+				'session_id' => 'cli',
 				'user_id' => null,
 				'user_id_uuid' => '5a34a6ae-7d3f-4dcf-bac7-57335b51e697',
 				'created' => '2025-10-08 09:55:15',

tests/TestCase/Controller/CartItemsControllerTest.php

@@ -91,7 +91,6 @@ class CartItemsControllerTest extends TestCase {
 		];
 		$this->session(['Auth.User.id' => 1]);
 		$this->session(['Auth.id' => 1]);
-		$this->session(['CakeCarts.session_id' => 'session_1']);
 		$before = $this->CartItems->get($id, contain: ['Carts']);
 //        dd($before);
 		$skuId = '3a477e3e-7977-4813-81f6-f85949613979';

tests/TestCase/Controller/Component/ShoppingCartComponentTest.php

@@ -4,6 +4,13 @@ declare(strict_types=1);
 namespace CakeCarts\Test\TestCase\Controller\Component;
 
 use Cake\Controller\ComponentRegistry;
+use Cake\Controller\Controller;
+use Cake\Datasource\Exception\RecordNotFoundException;
+use Cake\Event\Event;
+use Cake\Http\Exception\NotFoundException;
+use Cake\Http\Response;
+use Cake\Http\ServerRequest;
+use Cake\TestSuite\IntegrationTestTrait;
 use Cake\TestSuite\TestCase;
 use CakeCarts\Controller\Component\ShoppingCartComponent;
 
@@ -12,12 +19,20 @@ use CakeCarts\Controller\Component\ShoppingCartComponent;
  */
 class ShoppingCartComponentTest extends TestCase {
 
-	/**
-     * Test subject
+    use IntegrationTestTrait;
+    
+    protected ShoppingCartComponent $component;
+    protected Controller $controller;
+    
+    /**
+     * Fixtures
      *
-     * @var \CakeCarts\Controller\Component\ShoppingCartComponent
+     * @var array<string>
      */
-	protected $ShoppingCart;
+    protected array $fixtures = [
+        'plugin.CakeCarts.CartItems',
+        'plugin.CakeCarts.Carts',
+    ];
     
 	/**
      * setUp method
@@ -26,8 +41,11 @@ class ShoppingCartComponentTest extends TestCase {
      */
 	protected function setUp(): void {
 		parent::setUp();
-		$registry = new ComponentRegistry();
-		$this->ShoppingCart = new ShoppingCartComponent($registry);
+        $request = new ServerRequest();
+        $this->controller = new Controller($request);
+        $registry = new ComponentRegistry($this->controller);
+        
+        $this->component = new ShoppingCartComponent($registry);
 	}
 
 	/**
@@ -41,4 +59,66 @@ class ShoppingCartComponentTest extends TestCase {
 		parent::tearDown();
 	}
     
+    /**
+     * @return void
+     */
+    public function testGetCartForUserById()
+    {
+        $this->session([
+            'CakeCarts.session_id' => 'cli',
+        ]);
+        $cart = $this->component->getCartForUserById('74d1aa54-92a2-4039-bc10-61e1190c51ea');
+        $this->assertNotNull($cart);
+    }
+    
+    /**
+     * @return void
+     */
+    public function testGetCartForUserByIdDoesNotExist()
+    {
+        $this->expectException(RecordNotFoundException::class);
+        $cart = $this->component->getCartForUserById('74d1aa54-92a2-4039-bc10-61e1190c51ec');
+    }
+    
+    /**
+     * @return void
+     */
+    public function testGetUserIdField()
+    {
+        $this->assertNotNull($this->component->getUserIdField());
+    }
+    
+    /**
+     * @return void
+     */
+    public function testGetSessionId()
+    {
+        $this->assertNotNull($this->component->getSessionId());
+    }
+    
+    /**
+     * @return void
+     */
+    public function testCheckIfIsOwnCartIsOwnCart()
+    {
+        $this->session([
+            'CakeCarts.session_id' => 'session_1',
+        ]);
+        $cart = $this->fetchTable('Carts')->get('74d1aa54-92a2-4039-bc10-61e1190c51ea');
+        $this->component->checkIfIsOwnCart($cart);
+        // if exception not thrown test passes
+        $this->assertEquals(1, 1);
+    }
+    
+    /**
+     * @return void
+     */
+    public function testCheckIfIsOwnCartIsNotOwnCart()
+    {
+        $this->expectExceptionCode(404);
+        $cart = $this->fetchTable('Carts')->get('74d1aa54-92a2-4039-bc10-61e1190c51ec');
+        $this->component->checkIfIsOwnCart($cart);
+        // if exception not thrown test fails
+        $this->expectException(RecordNotFoundException::class);
+    }
 }