Issue #2868258 by joegraduate, Lendude, Jons, dawehner, alexpott, larowlan: Missing View not helpfully reported in preRenderViewElement()

core/modules/views/src/Element/View.php

@@ -3,6 +3,7 @@
 namespace Drupal\views\Element;
 
 use Drupal\Core\Render\Element\RenderElement;
+use Drupal\views\Exception\ViewRenderElementException;
 use Drupal\views\Views;
 
 /**
@@ -41,6 +42,9 @@ class View extends RenderElement {
 
     if (!isset($element['#view'])) {
       $view = Views::getView($element['#name']);
+      if (!$view) {
+        throw new ViewRenderElementException("Invalid View name ({$element['#name']}) given.");
+      }
     }
     else {
       $view = $element['#view'];

core/modules/views/src/Exception/ViewRenderElementException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Drupal\views\Exception;
+
+/**
+ * Defines an exception for an invalid View render element.
+ */
+class ViewRenderElementException extends \Exception {}

core/modules/views/tests/src/Kernel/ViewElementTest.php

@@ -2,6 +2,7 @@
 
 namespace Drupal\Tests\views\Kernel;
 
+use Drupal\views\Exception\ViewRenderElementException;
 use Drupal\views\Views;
 
 /**
@@ -129,4 +130,19 @@ class ViewElementTest extends ViewsKernelTestBase {
     $this->assertCount(1, $this->xpath('//form[@class="views-exposed-form"]'));
   }
 
+  /**
+   * Tests that an exception is thrown when an invalid View is passed.
+   */
+  public function testInvalidView() {
+    $renderer = $this->container->get('renderer');
+    $render_element = [
+      '#type' => 'view',
+      '#name' => 'invalid_view_name',
+      '#embed' => FALSE,
+    ];
+    $this->expectException(ViewRenderElementException::class);
+    $this->expectExceptionMessage("Invalid View name ({$render_element['#name']}) given.");
+    $renderer->renderRoot($render_element);
+  }
+
 }