Issue #3143316 by Lendude, sunset_bill, daffie, xjm, facine: "Getting the base...

Issue #3143316 by Lendude, sunset_bill, daffie, xjm, facine: "Getting the base fields is not supported for entity type" exception in ViewsConfigUpdater

core/modules/views/src/ViewsConfigUpdater.php

@@ -8,6 +8,7 @@
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Core\Entity\EntityFieldManagerInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Entity\Sql\DefaultTableMapping;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -343,7 +344,7 @@ protected function getMultivalueBaseFieldUpdateTableInfo() {
       $table_info = [];
 
       foreach ($this->entityTypeManager->getDefinitions() as $entity_type_id => $entity_type) {
-        if ($entity_type->hasHandlerClass('views_data')) {
+        if ($entity_type->hasHandlerClass('views_data') && $entity_type->entityClassImplements(FieldableEntityInterface::class)) {
           $base_field_definitions = $this->entityFieldManager->getBaseFieldDefinitions($entity_type_id);
 
           $entity_storage = $this->entityTypeManager->getStorage($entity_type_id);

core/modules/views/tests/modules/views_config_entity_test/config/schema/views_config_entity_test.schema.yml

+views_config_entity_test.type.*:
+  type: config_entity
+  label: 'Config entity type with Views data'
+  mapping:
+    id:
+      type: string
+    name:
+      type: label
+      label: 'Name'

core/modules/views/tests/modules/views_config_entity_test/src/Entity/ViewsConfigEntityTest.php

+<?php
+
+namespace Drupal\views_config_entity_test\Entity;
+
+use Drupal\Core\Config\Entity\ConfigEntityBase;
+
+/**
+ * Defines a configuration-based entity type used for testing Views data.
+ *
+ * @ConfigEntityType(
+ *   id = "views_config_entity_test",
+ *   label = @Translation("Test config entity type with Views data"),
+ *   handlers = {
+ *     "list_builder" = "Drupal\Core\Entity\EntityListBuilder",
+ *     "views_data" = "Drupal\views_config_entity_test\ViewsConfigEntityTestViewsData"
+ *   },
+ *   admin_permission = "administer modules",
+ *   config_prefix = "type",
+ *   entity_keys = {
+ *     "id" = "id",
+ *     "label" = "name"
+ *   }
+ * )
+ */
+class ViewsConfigEntityTest extends ConfigEntityBase {
+}

core/modules/views/tests/modules/views_config_entity_test/src/ViewsConfigEntityTestViewsData.php

+<?php
+
+namespace Drupal\views_config_entity_test;
+
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\views\EntityViewsDataInterface;
+
+/**
+ * Provides a view to override views data for config test entity types.
+ */
+class ViewsConfigEntityTestViewsData implements EntityViewsDataInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getViewsData() {
+    return [];
+  }
+
+  /**
+   * @inheritDoc
+   */
+  public function getViewsTableForEntityType(EntityTypeInterface $entity_type) {
+    return 'views_config_entity_test';
+  }
+
+}

core/modules/views/tests/modules/views_config_entity_test/views_config_entity_test.info.yml

+name: 'views_config_entity_test'
+description: 'Adds a Config Entity with views data'
+type: module
+package: Testing
+version: VERSION

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

@@ -20,6 +20,11 @@ class ViewsConfigUpdaterTest extends ViewsKernelTestBase {
    */
   protected $configUpdater;
 
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = ['views_config_entity_test'];
+
   /**
    * {@inheritdoc}
    */