Issue #3549608 by amateescu, plach: Language-neutral path aliases are not...

use Drupal\Core\Access\AccessResult;

use Drupal\Core\Field\FieldItemList;

use Drupal\Core\Language\LanguageInterface;

use Drupal\Core\Session\AccountInterface;

use Drupal\Core\TypedData\ComputedItemListTrait;

   * {@inheritdoc}

   */

  public function delete() {

    // Delete all aliases associated with this entity in the current language.

    // Delete all aliases associated with this entity.

    $entity = $this->getEntity();

    $langcode_list = [$entity->language()->getId()];

    // The default translation may also have language-neutral aliases.

    if ($entity->isDefaultTranslation()) {

      $langcode_list[] = LanguageInterface::LANGCODE_NOT_SPECIFIED;

    }

    $path_alias_storage = \Drupal::entityTypeManager()->getStorage('path_alias');

    $entities = $path_alias_storage->loadByProperties([

      'path' => '/' . $entity->toUrl()->getInternalPath(),

      'langcode' => $entity->language()->getId(),

      'langcode' => $langcode_list,

    ]);

    $path_alias_storage->delete($entities);

  }

    $this->drupalGet($english_alias);

    $this->assertPathAliasExists('/' . $english_alias, 'en', NULL, 'English alias is not deleted when French translation is removed.');

    $this->assertSession()->pageTextContains($english_node->body->value);

    // Replace the English alias with a language-neutral one.

    $en_alias_entity = $this->loadPathAliasByConditions(['alias' => '/' . $english_alias]);

    $en_alias_entity->delete();

    $und_alias = $this->randomMachineName();

    $this->createPathAlias('/node/' . $english_node->id(), '/' . $und_alias);

    $this->assertPathAliasExists('/' . $und_alias, LanguageInterface::LANGCODE_NOT_SPECIFIED);

    $this->drupalGet($und_alias);

    $this->assertSession()->pageTextContains($english_node->body->value);

    // Delete the default translation (English) of the node and check that the

    // language-neutral alias was deleted as well.

    $english_node->delete();

    $this->assertPathAliasNotExists('/' . $und_alias, LanguageInterface::LANGCODE_NOT_SPECIFIED, NULL, 'Language-neutral alias is removed when the default translation is deleted.');

  }

}