function EntityReferenceFieldTest::testReferencedEntitiesStringId

Tests referencing entities with string IDs.

File

core/tests/Drupal/KernelTests/Core/Entity/EntityReferenceFieldTest.php, line 197

Class

EntityReferenceFieldTest

Tests for the entity reference field.

Namespace

Code

public function testReferencedEntitiesStringId() : void {
  $field_name = 'entity_reference_string_id';
  $this->installEntitySchema('entity_test_string_id');
  $this->createEntityReferenceField($this->entityType, $this->bundle, $field_name, 'Field test', 'entity_test_string_id', 'default', [
    'target_bundles' => [
      $this->bundle,
    ],
  ], FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
  // Create the parent entity.
  $entity = $this->container
    ->get('entity_type.manager')
    ->getStorage($this->entityType)
    ->create([
    'type' => $this->bundle,
  ]);
  // Create the default target entity.
  $target_entity = EntityTestStringId::create([
    'id' => $this->randomString(),
    'type' => $this->bundle,
  ]);
  $target_entity->save();
  // Set the field value.
  $entity->{$field_name}
    ->setValue([
    [
      'target_id' => $target_entity->id(),
    ],
  ]);
  // Load the target entities using EntityReferenceField::referencedEntities().
  $entities = $entity->{$field_name}
    ->referencedEntities();
  $this->assertEquals($target_entity->id(), $entities[0]->id());
  // Test that a string ID works as a default value and the field's config
  // schema is correct.
  $field = FieldConfig::loadByName($this->entityType, $this->bundle, $field_name);
  $field->setDefaultValue($target_entity->id());
  $field->save();
  $this->assertConfigSchema(\Drupal::service('config.typed'), 'field.field.' . $field->id(), $field->toArray());
  // Test that the default value works.
  $entity = $this->container
    ->get('entity_type.manager')
    ->getStorage($this->entityType)
    ->create([
    'type' => $this->bundle,
  ]);
  $entities = $entity->{$field_name}
    ->referencedEntities();
  $this->assertEquals($target_entity->id(), $entities[0]->id());
}