[FEATURE] Add length validation for the model fields

resolves https://github.com/TYPO3-Documentation/tea/issues/458

Classes/Domain/Model/Product/Tea.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace TTN\Tea\Domain\Model\Product;
 
 use TYPO3\CMS\Extbase\Annotation\ORM\Lazy;
+use TYPO3\CMS\Extbase\Annotation\Validate;
 use TYPO3\CMS\Extbase\Domain\Model\FileReference;
 use TYPO3\CMS\Extbase\DomainObject\AbstractEntity;
 use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
@@ -30,6 +31,9 @@ class Tea extends AbstractEntity
         return $this->title;
     }
 
+    /**
+     * @Validate("StringLength", options={"maximum": 255})
+     */
     public function setTitle(string $title): void
     {
         $this->title = $title;
@@ -40,6 +44,9 @@ class Tea extends AbstractEntity
         return $this->description;
     }
 
+    /**
+     * @Validate("StringLength", options={"maximum": 2000})
+     */
     public function setDescription(string $description): void
     {
         $this->description = $description;

Tests/Unit/Controller/TeaControllerTest.php

@@ -101,4 +101,24 @@ class TeaControllerTest extends UnitTestCase
             $this->subject->showAction($tea)
         );
     }
+
+
+    /**
+     * @test
+     */
+    public function showActionWithOverlongTeaTitleCallsErrorAction(): void
+    {
+        $tea = new Tea();
+        $stringLength256 = 'Lorem ipsum dolor sit amet, consetetur sadipscing '
+            .'elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore'
+            .' magna aliquyam erat, sed diam voluptua. At vero eos et accusam'
+            .' et justo duo dolores et ea rebum. Stet clita kasd gubergren, '
+            .'no sea takimata xxx';
+        $tea->setTitle($stringLength256);
+
+        self::assertEquals(
+            400,
+            $this->subject->showAction($tea)->getStatusCode(),
+        );
+    }
 }