Test.php

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<?php
#require_once 'Zend/Cache/Backend/ExtendedInterface.php';

#require_once 'Zend/Cache/Backend.php';

class Zend_Cache_Backend_Test extends Zend_Cache_Backend implements Zend_Cache_Backend_ExtendedInterface
{
    protected $_options = array();

    protected $_directives = array();

    private $_log = array();

    private $_index = 0;

    public function __construct($options = array())
    {
        $this->_addLog('construct', array($options));
    }

    public function setDirectives($directives)
    {
        $this->_addLog('setDirectives', array($directives));
    }

    public function load($id, $doNotTestCacheValidity = false)
    {
        $this->_addLog('get', array($id, $doNotTestCacheValidity));

        if ( $id == 'false'
          || $id == 'd8523b3ee441006261eeffa5c3d3a0a7'
          || $id == 'e83249ea22178277d5befc2c5e2e9ace'
          || $id == '40f649b94977c0a6e76902e2a0b43587'
          || $id == '88161989b73a4cbfd0b701c446115a99'
          || $id == '205fc79cba24f0f0018eb92c7c8b3ba4'
          || $id == '170720e35f38150b811f68a937fb042d')
        {
            return false;
        }
        if ($id=='serialized') {
            return serialize(array('foo'));
        }
        if ($id=='serialized2') {
            return serialize(array('headers' => array(), 'data' => 'foo'));
        }
        if ( $id == '71769f39054f75894288e397df04e445' || $id == '615d222619fb20b527168340cebd0578'
          || $id == '8a02d218a5165c467e7a5747cc6bd4b6' || $id == '648aca1366211d17cbf48e65dc570bee'
          || $id == '4a923ef02d7f997ca14d56dfeae25ea7') {
            return serialize(array('foo', 'bar'));
        }
        if ( $id == 'f53c7d912cc523d9a65834c8286eceb9') {
            return serialize(array('foobar'));
        }
        return 'foo';
    }

    public function test($id)
    {
        $this->_addLog('test', array($id));
        if ($id=='false') {
            return false;
        }
        if (($id=='3c439c922209e2cb0b54d6deffccd75a')) {
            return false;
        }
        return 123456;
    }

    public function save($data, $id, $tags = array(), $specificLifetime = false)
    {
        $this->_addLog('save', array($data, $id, $tags));
        if (substr($id,-5)=='false') {
            return false;
        }
        return true;
    }

    public function remove($id)
    {
        $this->_addLog('remove', array($id));
        if (substr($id,-5)=='false') {
            return false;
        }
        return true;
    }

    public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array())
    {
        $this->_addLog('clean', array($mode, $tags));
        if ($mode=='false') {
            return false;
        }
        return true;
    }

    public function getLastLog()
    {
        return $this->_log[$this->_index - 1];
    }

    public function getLogIndex()
    {
        return $this->_index;
    }

    public function getAllLogs()
    {
        return $this->_log;
    }

    public function isAutomaticCleaningAvailable()
    {
        return true;
    }

    public function getIds()
    {
        return array(
            'prefix_id1', 'prefix_id2'
        );
    }

    public function getTags()
    {
        return array(
            'tag1', 'tag2'
        );
    }

    public function getIdsMatchingTags($tags = array())
    {
        if ($tags == array('tag1', 'tag2')) {
            return array('prefix_id1', 'prefix_id2');
        }

        return array();
    }

    public function getIdsNotMatchingTags($tags = array())
    {
        if ($tags == array('tag3', 'tag4')) {
            return array('prefix_id3', 'prefix_id4');
        }

        return array();
    }

    public function getIdsMatchingAnyTags($tags = array())
    {
        if ($tags == array('tag5', 'tag6')) {
            return array('prefix_id5', 'prefix_id6');
        }

        return array();
    }

    public function getFillingPercentage()
    {
        return 50;
    }

    public function getMetadatas($id)
    {
        return false;
    }

    public function touch($id, $extraLifetime)
    {
        return true;
    }

    public function getCapabilities()
    {
        return array(
            'automatic_cleaning' => true,
            'tags'               => true,
            'expired_read'       => false,
            'priority'           => true,
            'infinite_lifetime'  => true,
            'get_list'           => true
        );
    }

    private function _addLog($methodName, $args)
    {
        $this->_log[$this->_index] = array(
            'methodName' => $methodName,
            'args' => $args
        );
        $this->_index = $this->_index + 1;
    }

}