class MigrateVocabularyFieldInstanceTest

class MigrateVocabularyFieldInstanceTest extends MigrateDrupal6TestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'comment',
        'forum',
        'menu_ui',
        'taxonomy',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Execute Dependency Migrations.
        $this->migrateContentTypes();
        $this->installEntitySchema('taxonomy_term');
        $this->executeMigrations([
            'd6_node_type',
            'd6_taxonomy_vocabulary',
            'd6_vocabulary_field',
            'd6_vocabulary_field_instance',
        ]);
    }
    
    /**
     * Gets the path to the fixture file.
     */
    protected function getFixtureFilePath() {
        return __DIR__ . '/../../../../fixtures/drupal6.php';
    }
    
    /**
     * Tests the Drupal 6 vocabulary-node type association migration.
     */
    public function testVocabularyFieldInstance() : void {
        $this->assertEntity('node.forum.taxonomy_forums', 'Forums', 'entity_reference', FALSE, FALSE);
        $this->assertEntity('node.forum.field_trees', 'Trees', 'entity_reference', FALSE, FALSE);
        $this->assertEntity('node.forum.field_freetags', 'FreeTags', 'entity_reference', FALSE, FALSE);
    }
    
    /**
     * Asserts various aspects of a field config entity.
     *
     * @param string $id
     *   The entity ID in the form ENTITY_TYPE.BUNDLE.FIELD_NAME.
     * @param string $expected_label
     *   The expected field label.
     * @param string $expected_field_type
     *   The expected field type.
     * @param bool $is_required
     *   Whether or not the field is required.
     * @param bool $expected_translatable
     *   Whether or not the field is expected to be translatable.
     *
     * @internal
     */
    protected function assertEntity(string $id, string $expected_label, string $expected_field_type, bool $is_required, bool $expected_translatable) : void {
        [
            $expected_entity_type,
            $expected_bundle,
            $expected_name,
        ] = explode('.', $id);
        
        /** @var \Drupal\field\FieldConfigInterface $field */
        $field = FieldConfig::load($id);
        $this->assertInstanceOf(FieldConfigInterface::class, $field);
        $this->assertEquals($expected_label, $field->label());
        $this->assertEquals($expected_field_type, $field->getType());
        $this->assertEquals($expected_entity_type, $field->getTargetEntityTypeId());
        $this->assertEquals($expected_bundle, $field->getTargetBundle());
        $this->assertEquals($expected_name, $field->getName());
        $this->assertEquals($is_required, $field->isRequired());
        $this->assertEquals($expected_entity_type . '.' . $expected_name, $field->getFieldStorageDefinition()
            ->id());
        $this->assertEquals($expected_translatable, $field->isTranslatable());
    }
    
    /**
     * Asserts the settings of a link field config entity.
     *
     * @param string $id
     *   The entity ID in the form ENTITY_TYPE.BUNDLE.FIELD_NAME.
     * @param int $title_setting
     *   The expected title setting.
     *
     * @internal
     */
    protected function assertLinkFields(string $id, int $title_setting) : void {
        $field = FieldConfig::load($id);
        $this->assertSame($title_setting, $field->getSetting('title'));
    }
    
    /**
     * Asserts the settings of an entity reference field config entity.
     *
     * @param string $id
     *   The entity ID in the form ENTITY_TYPE.BUNDLE.FIELD_NAME.
     * @param string[] $target_bundles
     *   An array of expected target bundles.
     *
     * @internal
     */
    protected function assertEntityReferenceFields(string $id, array $target_bundles) : void {
        $field = FieldConfig::load($id);
        $handler_settings = $field->getSetting('handler_settings');
        $this->assertArrayHasKey('target_bundles', $handler_settings);
        foreach ($handler_settings['target_bundles'] as $target_bundle) {
            $this->assertContains($target_bundle, $target_bundles);
        }
    }

}