configurable csv/xlsx export templates (#5531)

tests/Form/Extension/DocumentationLinkExtensionTest.php

@@ -12,6 +12,8 @@ namespace App\Tests\Form\Extension;
 use App\Form\Extension\DocumentationLinkExtension;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Form\Extension\Core\Type\FormType;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\FormView;
 use Symfony\Component\OptionsResolver\Exception\InvalidOptionsException;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
@@ -43,4 +45,18 @@ class DocumentationLinkExtensionTest extends TestCase
         $this->expectException(InvalidOptionsException::class);
         $resolver->resolve(['docu_chapter' => true]);
     }
+
+    public function testBuildView(): void
+    {
+        $sut = new DocumentationLinkExtension();
+        $form = $this->createMock(FormInterface::class);
+
+        $view = new FormView();
+        $sut->buildView($view, $form, ['docu_chapter' => null]);
+        self::assertEquals(['attr' => [], 'value' => null, 'docu_chapter' => null], $view->vars);
+
+        $view = new FormView();
+        $sut->buildView($view, $form, ['docu_chapter' => 'customers']);
+        self::assertEquals(['attr' => [], 'value' => null, 'docu_chapter' => 'customers'], $view->vars);
+    }
 }