RedisMock.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\HttpKernel\Tests\Profiler\Mock;


/**
 * RedisMock for simulating Redis extension in tests.
 *
 * @author Andrej Hudec <pulzarraider@gmail.com>
 */
class RedisMock {
  private $connected;
  private $storage;
  public function __construct() {
    $this->connected = false;
    $this->storage = array();
  }

  /**
   * Add a server to connection pool
   *
   * @param string  $host
   * @param integer $port
   * @param float   $timeout
   *
   * @return boolean
   */
  public function connect($host, $port = 6379, $timeout = 0) {
    if ('127.0.0.1' == $host && 6379 == $port) {
      $this->connected = true;
      return true;
    }
    return false;
  }

  /**
   * Set client option.
   *
   * @param integer $name
   * @param integer $value
   *
   * @return boolean
   */
  public function setOption($name, $value) {
    if (!$this->connected) {
      return false;
    }
    return true;
  }

  /**
   * Verify if the specified key exists.
   *
   * @param string $key
   *
   * @return boolean
   */
  public function exists($key) {
    if (!$this->connected) {
      return false;
    }
    return isset($this->storage[$key]);
  }

  /**
   * Store data at the server with expiration time.
   *
   * @param string  $key
   * @param integer $ttl
   * @param mixed   $value
   *
   * @return boolean
   */
  public function setex($key, $ttl, $value) {
    if (!$this->connected) {
      return false;
    }
    $this
      ->storeData($key, $value);
    return true;
  }

  /**
   * Sets an expiration time on an item.
   *
   * @param string  $key
   * @param integer $ttl
   *
   * @return boolean
   */
  public function setTimeout($key, $ttl) {
    if (!$this->connected) {
      return false;
    }
    if (isset($this->storage[$key])) {
      return true;
    }
    return false;
  }

  /**
   * Retrieve item from the server.
   *
   * @param string $key
   *
   * @return boolean
   */
  public function get($key) {
    if (!$this->connected) {
      return false;
    }
    return $this
      ->getData($key);
  }

  /**
   * Append data to an existing item
   *
   * @param string $key
   * @param string $value
   *
   * @return integer Size of the value after the append.
   */
  public function append($key, $value) {
    if (!$this->connected) {
      return false;
    }
    if (isset($this->storage[$key])) {
      $this
        ->storeData($key, $this
        ->getData($key) . $value);
      return strlen($this->storage[$key]);
    }
    return false;
  }

  /**
   * Remove specified keys.
   *
   * @param string|array $key
   *
   * @return integer
   */
  public function delete($key) {
    if (!$this->connected) {
      return false;
    }
    if (is_array($key)) {
      $result = 0;
      foreach ($key as $k) {
        if (isset($this->storage[$k])) {
          unset($this->storage[$k]);
          ++$result;
        }
      }
      return $result;
    }
    if (isset($this->storage[$key])) {
      unset($this->storage[$key]);
      return 1;
    }
    return 0;
  }

  /**
   * Flush all existing items from all databases at the server.
   *
   * @return boolean
   */
  public function flushAll() {
    if (!$this->connected) {
      return false;
    }
    $this->storage = array();
    return true;
  }

  /**
   * Close Redis server connection
   *
   * @return boolean
   */
  public function close() {
    $this->connected = false;
    return true;
  }
  private function getData($key) {
    if (isset($this->storage[$key])) {
      return unserialize($this->storage[$key]);
    }
    return false;
  }
  private function storeData($key, $value) {
    $this->storage[$key] = serialize($value);
    return true;
  }
  public function select($dbnum) {
    if (!$this->connected) {
      return false;
    }
    if (0 > $dbnum) {
      return false;
    }
    return true;
  }

}