function EntityReferenceItemTest::testSelectionHandlerSettings

Tests that the 'handler' field setting stores the proper plugin ID.

File

core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceItemTest.php, line 366

Class

EntityReferenceItemTest

Tests the new entity API for the entity reference field type.

Namespace

Code

public function testSelectionHandlerSettings() : void {
  $field_name = $this->randomMachineName();
  $field_storage = FieldStorageConfig::create([
    'field_name' => $field_name,
    'entity_type' => 'entity_test',
    'type' => 'entity_reference',
    'settings' => [
      'target_type' => 'entity_test',
    ],
  ]);
  $field_storage->save();
  // Do not specify any value for the 'handler' setting in order to verify
  // that the default handler with the correct derivative is used.
  $field = FieldConfig::create([
    'field_storage' => $field_storage,
    'bundle' => 'entity_test',
  ]);
  $field->save();
  $field = FieldConfig::load($field->id());
  $this->assertEquals('default:entity_test', $field->getSetting('handler'));
  // Change the target_type in the field storage, and check that the handler
  // was correctly reassigned in the field.
  $field_storage->setSetting('target_type', 'entity_test_rev');
  $field_storage->save();
  $field = FieldConfig::load($field->id());
  $this->assertEquals('default:entity_test_rev', $field->getSetting('handler'));
  // Change the handler to another, non-derivative plugin.
  $field->setSetting('handler', 'views');
  $field->save();
  $field = FieldConfig::load($field->id());
  $this->assertEquals('views', $field->getSetting('handler'));
  // Change the target_type in the field storage again, and check that the
  // non-derivative handler was unchanged.
  $field_storage->setSetting('target_type', 'entity_test_rev');
  $field_storage->save();
  $field = FieldConfig::load($field->id());
  $this->assertEquals('views', $field->getSetting('handler'));
  // Check that selection handlers aren't changed during sync.
  $field = FieldConfig::create([
    'field_storage' => $field_storage,
    'bundle' => 'entity_test',
    'settings' => [
      'handler' => 'fake:thing',
    ],
    'isSyncing' => TRUE,
  ]);
  $this->assertEquals('fake:thing', $field->getSetting('handler'));
}