lookupBySystemPath example

$this->installEntitySchema('path_alias');
  }

  /** * @covers ::lookupBySystemPath */
  public function testLookupBySystemPath() {
    $this->createPathAlias('/test-source-Case', '/test-alias');

    $path_alias_repository = $this->container->get('path_alias.repository');
    $this->assertEquals('/test-alias', $path_alias_repository->lookupBySystemPath('/test-source-Case', LanguageInterface::LANGCODE_NOT_SPECIFIED)['alias']);
    $this->assertEquals('/test-alias', $path_alias_repository->lookupBySystemPath('/test-source-case', LanguageInterface::LANGCODE_NOT_SPECIFIED)['alias']);
  }

  /** * @covers ::lookupByAlias */
  public function testLookupByAlias() {
    $this->createPathAlias('/test-source', '/test-alias-Case');

    $path_alias_repository = $this->container->get('path_alias.repository');
    $this->assertEquals('/test-source', $path_alias_repository->lookupByAlias('/test-alias-Case', LanguageInterface::LANGCODE_NOT_SPECIFIED)['path']);
    

// If we already know that there are no aliases for this path simply return.     if (!empty($this->noAlias[$langcode][$path])) {
      return $path;
    }

    // If the alias has already been loaded, return it from static cache.     if (isset($this->lookupMap[$langcode][$path])) {
      return $this->lookupMap[$langcode][$path];
    }

    // Try to load alias from storage.     if ($path_alias = $this->pathAliasRepository->lookupBySystemPath($path, $langcode)) {
      $this->lookupMap[$langcode][$path] = $path_alias['alias'];
      return $path_alias['alias'];
    }

    // We can't record anything into $this->lookupMap because we didn't find any     // aliases for this path. Thus cache to $this->noAlias.     $this->noAlias[$langcode][$path] = TRUE;
    return $path;
  }

  /** * {@inheritdoc} */

// Default the langcode to the current language if this is a new entity or     // there is no alias for an existent entity.     // @todo Set the langcode to not specified for untranslatable fields     // in https://www.drupal.org/node/2689459.     $value = ['langcode' => $this->getLangcode()];

    $entity = $this->getEntity();
    if (!$entity->isNew()) {
      /** @var \Drupal\path_alias\AliasRepositoryInterface $path_alias_repository */
      $path_alias_repository = \Drupal::service('path_alias.repository');

      if ($path_alias = $path_alias_repository->lookupBySystemPath('/' . $entity->toUrl()->getInternalPath(), $this->getLangcode())) {
        $value = [
          'alias' => $path_alias['alias'],
          'pid' => $path_alias['id'],
          'langcode' => $path_alias['langcode'],
        ];
      }
    }

    $this->list[0] = $this->createItem(0, $value);
  }

  

'title' => 'Testing create()',
      'type' => 'foo',
      'path' => ['alias' => '/foo'],
    ]);
    $this->assertFalse($node->get('path')->isEmpty());
    $this->assertEquals('/foo', $node->get('path')->alias);

    $node->save();
    $this->assertFalse($node->get('path')->isEmpty());
    $this->assertEquals('/foo', $node->get('path')->alias);

    $stored_alias = $alias_repository->lookupBySystemPath('/' . $node->toUrl()->getInternalPath(), $node->language()->getId());
    $this->assertEquals('/foo', $stored_alias['alias']);

    $node_storage->resetCache();

    /** @var \Drupal\node\NodeInterface $loaded_node */
    $loaded_node = $node_storage->load($node->id());
    $this->assertFalse($loaded_node->get('path')->isEmpty());
    $this->assertEquals('/foo', $loaded_node->get('path')->alias);
    $node_storage->resetCache();
    $loaded_node = $node_storage->load($node->id());
    $this->assertEquals('/foo', $loaded_node->get('path')[0]->get('alias')->getValue());