trait TaxonomyTranslationTestTrait

trait TaxonomyTranslationTestTrait {
    use EntityReferenceTestTrait;
    
    /**
     * The vocabulary.
     *
     * @var \Drupal\taxonomy\Entity\Vocabulary
     */
    protected $vocabulary;
    
    /**
     * The field name for our taxonomy term field.
     *
     * @var string
     */
    protected $termFieldName = 'field_tag';
    
    /**
     * The langcode of the source language.
     *
     * @var string
     */
    protected $baseLangcode = 'en';
    
    /**
     * Target langcode for translation.
     *
     * @var string
     */
    protected $translateToLangcode = 'hu';
    
    /**
     * The node to check the translated value on.
     *
     * @var \Drupal\node\Entity\Node
     */
    protected $node;
    
    /**
     * Adds additional languages.
     */
    protected function setupLanguages() {
        ConfigurableLanguage::createFromLangcode($this->translateToLangcode)
            ->save();
        $this->rebuildContainer();
    }
    
    /**
     * Enables translations where it needed.
     */
    protected function enableTranslation() {
        // Enable translation for the current entity type and ensure the change is
        // picked up.
        \Drupal::service('content_translation.manager')->setEnabled('node', 'article', TRUE);
        \Drupal::service('content_translation.manager')->setEnabled('taxonomy_term', $this->vocabulary
            ->id(), TRUE);
    }
    
    /**
     * Adds term reference field for the article content type.
     */
    protected function setUpTermReferenceField() {
        $handler_settings = [
            'target_bundles' => [
                $this->vocabulary
                    ->id() => $this->vocabulary
                    ->id(),
            ],
            'auto_create' => TRUE,
        ];
        $this->createEntityReferenceField('node', 'article', $this->termFieldName, NULL, 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
        $field_storage = FieldStorageConfig::loadByName('node', $this->termFieldName);
        $field_storage->setTranslatable(FALSE);
        $field_storage->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('node', 'article')
            ->setComponent($this->termFieldName, [
            'type' => 'entity_reference_autocomplete_tags',
        ])
            ->save();
        $display_repository->getViewDisplay('node', 'article')
            ->setComponent($this->termFieldName, [
            'type' => 'entity_reference_label',
        ])
            ->save();
    }

}