Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\system\Tests\Routing;
Chris@0: 
Chris@0: use Drupal\Core\Path\AliasManagerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * An easily configurable mock alias manager.
Chris@0:  */
Chris@0: class MockAliasManager implements AliasManagerInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * Array of mocked aliases. Keys are system paths, followed by language.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   protected $aliases = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * Array of mocked aliases. Keys are aliases, followed by language.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   protected $systemPaths = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * An index of aliases that have been requested.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   protected $lookedUp = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * The language to assume a path alias is for if not specified.
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   public $defaultLanguage = 'en';
Chris@0: 
Chris@0:   /**
Chris@0:    * Adds an alias to the in-memory alias table for this object.
Chris@0:    *
Chris@0:    * @param string $path
Chris@0:    *   The system path of the alias.
Chris@0:    * @param string $alias
Chris@0:    *   The alias of the system path.
Chris@0:    * @param string $path_language
Chris@0:    *   The language of this alias.
Chris@0:    */
Chris@0:   public function addAlias($path, $alias, $path_language = NULL) {
Chris@0:     $language = $path_language ?: $this->defaultLanguage;
Chris@0: 
Chris@0:     if ($path[0] !== '/') {
Chris@0:       throw new \InvalidArgumentException('The path needs to start with a slash.');
Chris@0:     }
Chris@0:     if ($alias[0] !== '/') {
Chris@0:       throw new \InvalidArgumentException('The alias needs to start with a slash.');
Chris@0:     }
Chris@0: 
Chris@0:     $this->aliases[$path][$language] = $alias;
Chris@0:     $this->systemPaths[$alias][$language] = $path;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getPathByAlias($alias, $langcode = NULL) {
Chris@0:     $langcode = $langcode ?: $this->defaultLanguage;
Chris@0:     return $this->systemPaths[$alias][$langcode];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    * @param $path
Chris@0:    * @param null $langcode
Chris@0:    * @return
Chris@0:    */
Chris@0:   public function getAliasByPath($path, $langcode = NULL) {
Chris@0:     if ($path[0] !== '/') {
Chris@0:       throw new \InvalidArgumentException(sprintf('Source path %s has to start with a slash.', $path));
Chris@0:     }
Chris@0: 
Chris@0:     $langcode = $langcode ?: $this->defaultLanguage;
Chris@0:     $this->lookedUp[$path] = 1;
Chris@0:     return $this->aliases[$path][$langcode];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function cacheClear($source = NULL) {
Chris@0:     // Not needed.
Chris@0:   }
Chris@0: 
Chris@0: }