<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Http
 * @subpackage Client_Adapter
 * @version    $Id: Test.php 8064 2008-02-16 10:58:39Z thomas $
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

require_once 'external/Zend/Uri/Http.php';
require_once 'external/Zend/Http/Response.php';
require_once 'external/Zend/Http/Client/Adapter/Interface.php';

/**
 * A testing-purposes adapter.
 *
 * Should be used to test all components that rely on Zend_Http_Client,
 * without actually performing an HTTP request. You should instantiate this
 * object manually, and then set it as the client's adapter. Then, you can
 * set the expected response using the setResponse() method.
 *
 * @category   Zend
 * @package    Zend_Http
 * @subpackage Client_Adapter
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Http_Client_Adapter_Test implements Zend_Http_Client_Adapter_Interface {
  /**
   * Parameters array
   *
   * @var array
   */
  protected $config = array();
  
  /**
   * Buffer of responses to be returned by the read() method.  Can be
   * set using setResponse() and addResponse().
   *
   * @var array
   */
  protected $responses = array("HTTP/1.1 400 Bad Request\r\n\r\n");
  
  /**
   * Current position in the response buffer
   *
   * @var integer
   */
  protected $responseIndex = 0;

  /**
   * Adapter constructor, currently empty. Config is set using setConfig()
   *
   */
  public function __construct() {}

  /**
   * Set the configuration array for the adapter
   *
   * @param array $config
   */
  public function setConfig($config = array()) {
    if (! is_array($config)) {
      require_once 'external/Zend/Http/Client/Adapter/Exception.php';
      throw new Zend_Http_Client_Adapter_Exception('$config expects an array, ' . gettype($config) . ' recieved.');
    }
    
    foreach ($config as $k => $v) {
      $this->config[strtolower($k)] = $v;
    }
  }

  /**
   * Connect to the remote server
   *
   * @param string  $host
   * @param int     $port
   * @param boolean $secure
   * @param int     $timeout
   */
  public function connect($host, $port = 80, $secure = false) {}

  /**
   * Send request to the remote server
   *
   * @param string        $method
   * @param Zend_Uri_Http $uri
   * @param string        $http_ver
   * @param array         $headers
   * @param string        $body
   * @return string Request as string
   */
  public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '') {
    $host = $uri->getHost();
    $host = (strtolower($uri->getScheme()) == 'https' ? 'sslv2://' . $host : $host);
    
    // Build request headers
    $path = $uri->getPath();
    if ($uri->getQuery()) $path .= '?' . $uri->getQuery();
    $request = "{$method} {$path} HTTP/{$http_ver}\r\n";
    foreach ($headers as $k => $v) {
      if (is_string($k)) $v = ucfirst($k) . ": $v";
      $request .= "$v\r\n";
    }
    
    // Add the request body
    $request .= "\r\n" . $body;
    
    // Do nothing - just return the request as string
    

    return $request;
  }

  /**
   * Return the response set in $this->setResponse()
   *
   * @return string
   */
  public function read() {
    if ($this->responseIndex >= count($this->responses)) {
      $this->responseIndex = 0;
    }
    return $this->responses[$this->responseIndex ++];
  }

  /**
   * Close the connection (dummy)
   *
   */
  public function close() {}

  /**
   * Set the HTTP response(s) to be returned by this adapter
   *
   * @param Zend_Http_Response|array|string $response
   */
  public function setResponse($response) {
    if ($response instanceof Zend_Http_Response) {
      $response = $response->asString();
    }
    
    $this->responses = (array)$response;
    $this->responseIndex = 0;
  }

  /**
   * Add another response to the response buffer.
   *
   * @param string $response
   */
  public function addResponse($response) {
    $this->responses[] = $response;
  }

  /**
   * Sets the position of the response buffer.  Selects which
   * response will be returned on the next call to read().
   *
   * @param integer $index
   */
  public function setResponseIndex($index) {
    if ($index < 0 || $index >= count($this->responses)) {
      require_once 'external/Zend/Http/Client/Adapter/Exception.php';
      throw new Zend_Http_Client_Adapter_Exception('Index out of range of response buffer size');
    }
    $this->responseIndex = $index;
  }
}