trait PathAliasTestTrait

trait PathAliasTestTrait {
    
    /**
     * Creates a new path alias.
     *
     * @param string $path
     *   The system path.
     * @param string $alias
     *   The alias for the system path.
     * @param string $langcode
     *   (optional) A language code for the path alias. Defaults to
     *   \Drupal\Core\Language\LanguageInterface::LANGCODE_NOT_SPECIFIED.
     *
     * @return \Drupal\path_alias\PathAliasInterface
     *   A path alias entity.
     */
    protected function createPathAlias($path, $alias, $langcode = LanguageInterface::LANGCODE_NOT_SPECIFIED) {
        
        /** @var \Drupal\path_alias\PathAliasInterface $path_alias */
        $path_alias = \Drupal::entityTypeManager()->getStorage('path_alias')
            ->create([
            'path' => $path,
            'alias' => $alias,
            'langcode' => $langcode,
        ]);
        $path_alias->save();
        return $path_alias;
    }
    
    /**
     * Gets the first result from a 'load by properties' storage call.
     *
     * @param array $conditions
     *   An array of query conditions.
     *
     * @return \Drupal\path_alias\PathAliasInterface|null
     *   A path alias entity or NULL.
     */
    protected function loadPathAliasByConditions($conditions) {
        $storage = \Drupal::entityTypeManager()->getStorage('path_alias');
        $query = $storage->getQuery()
            ->accessCheck(FALSE);
        foreach ($conditions as $field => $value) {
            $query->condition($field, $value);
        }
        $entities = $storage->loadMultiple($query->execute());
        return $entities ? reset($entities) : NULL;
    }
    
    /**
     * Asserts that a path alias exists in the storage.
     *
     * @param string $alias
     *   The path alias.
     * @param string|null $langcode
     *   (optional) The language code of the path alias.
     * @param string|null $path
     *   (optional) The system path of the path alias.
     * @param string|null $message
     *   (optional) A message to display with the assertion.
     */
    protected function assertPathAliasExists($alias, $langcode = NULL, $path = NULL, $message = '') {
        $query = \Drupal::entityTypeManager()->getStorage('path_alias')
            ->getQuery()
            ->accessCheck(FALSE);
        $query->condition('alias', $alias, '=');
        if ($langcode) {
            $query->condition('langcode', $langcode, '=');
        }
        if ($path) {
            $query->condition('path', $path, '=');
        }
        $query->count();
        $this->assertTrue((bool) $query->execute(), $message);
    }
    
    /**
     * Asserts that a path alias does not exist in the storage.
     *
     * @param string $alias
     *   The path alias.
     * @param string|null $langcode
     *   (optional) The language code of the path alias.
     * @param string|null $path
     *   (optional) The system path of the path alias.
     * @param string|null $message
     *   (optional) A message to display with the assertion.
     */
    protected function assertPathAliasNotExists($alias, $langcode = NULL, $path = NULL, $message = '') {
        $query = \Drupal::entityTypeManager()->getStorage('path_alias')
            ->getQuery()
            ->accessCheck(FALSE);
        $query->condition('alias', $alias, '=');
        if ($langcode) {
            $query->condition('langcode', $langcode, '=');
        }
        if ($path) {
            $query->condition('path', $path, '=');
        }
        $query->count();
        $this->assertFalse((bool) $query->execute(), $message);
    }

}