diff core/modules/field/tests/src/Traits/EntityReferenceTestTrait.php @ 17:129ea1e6d783

Update, including to Drupal core 8.6.10

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/field/tests/src/Traits/EntityReferenceTestTrait.php	Thu Feb 28 13:21:36 2019 +0000
@@ -0,0 +1,64 @@
+<?php
+
+namespace Drupal\Tests\field\Traits;
+
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+
+/**
+ * Provides common functionality for the EntityReference test classes.
+ */
+trait EntityReferenceTestTrait {
+
+  /**
+   * Creates a field of an entity reference field storage on the specified bundle.
+   *
+   * @param string $entity_type
+   *   The type of entity the field will be attached to.
+   * @param string $bundle
+   *   The bundle name of the entity the field will be attached to.
+   * @param string $field_name
+   *   The name of the field; if it already exists, a new instance of the existing
+   *   field will be created.
+   * @param string $field_label
+   *   The label of the field.
+   * @param string $target_entity_type
+   *   The type of the referenced entity.
+   * @param string $selection_handler
+   *   The selection handler used by this field.
+   * @param array $selection_handler_settings
+   *   An array of settings supported by the selection handler specified above.
+   *   (e.g. 'target_bundles', 'sort', 'auto_create', etc).
+   * @param int $cardinality
+   *   The cardinality of the field.
+   *
+   * @see \Drupal\Core\Entity\Plugin\EntityReferenceSelection\SelectionBase::buildConfigurationForm()
+   */
+  protected function createEntityReferenceField($entity_type, $bundle, $field_name, $field_label, $target_entity_type, $selection_handler = 'default', $selection_handler_settings = [], $cardinality = 1) {
+    // Look for or add the specified field to the requested entity bundle.
+    if (!FieldStorageConfig::loadByName($entity_type, $field_name)) {
+      FieldStorageConfig::create([
+        'field_name' => $field_name,
+        'type' => 'entity_reference',
+        'entity_type' => $entity_type,
+        'cardinality' => $cardinality,
+        'settings' => [
+          'target_type' => $target_entity_type,
+        ],
+      ])->save();
+    }
+    if (!FieldConfig::loadByName($entity_type, $bundle, $field_name)) {
+      FieldConfig::create([
+        'field_name' => $field_name,
+        'entity_type' => $entity_type,
+        'bundle' => $bundle,
+        'label' => $field_label,
+        'settings' => [
+          'handler' => $selection_handler,
+          'handler_settings' => $selection_handler_settings,
+        ],
+      ])->save();
+    }
+  }
+
+}