class MigrateVocabularyFieldTest

class MigrateVocabularyFieldTest extends MigrateDrupal6TestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'taxonomy',
    'menu_ui',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->migrateTaxonomy();
  }
  
  /**
   * Tests the Drupal 6 vocabulary-node type association to Drupal 8 migration.
   */
  public function testVocabularyField() {
    // Test that the field exists.
    $field_storage_id = 'node.field_tags';
    /** @var \Drupal\field\FieldStorageConfigInterface $field_storage */
    $field_storage = FieldStorageConfig::load($field_storage_id);
    $this->assertSame($field_storage_id, $field_storage->id());
    $settings = $field_storage->getSettings();
    $this->assertSame('taxonomy_term', $settings['target_type'], "Target type is correct.");
    $this->assertSame(1, $field_storage->getCardinality(), "Field cardinality in 1.");
    $this->assertSame([
      [
        'node',
        'field_tags',
      ],
    ], $this->getMigration('d6_vocabulary_field')
      ->getIdMap()
      ->lookupDestinationIds([
      4,
    ]), "Test IdMap");
    // Tests that a vocabulary named like a D8 base field will be migrated and
    // prefixed with 'field_' to avoid conflicts.
    $field_type = FieldStorageConfig::load('node.field_type');
    $this->assertInstanceOf(FieldStorageConfig::class, $field_type);
  }

}