--- /dev/null
+<?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 = false;
+ private $storage = array();
+
+ /**
+ * Add a server to connection pool.
+ *
+ * @param string $host
+ * @param int $port
+ * @param float $timeout
+ *
+ * @return bool
+ */
+ public function connect($host, $port = 6379, $timeout = 0)
+ {
+ if ('127.0.0.1' == $host && 6379 == $port) {
+ $this->connected = true;
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Set client option.
+ *
+ * @param int $name
+ * @param int $value
+ *
+ * @return bool
+ */
+ public function setOption($name, $value)
+ {
+ if (!$this->connected) {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Verify if the specified key exists.
+ *
+ * @param string $key
+ *
+ * @return bool
+ */
+ public function exists($key)
+ {
+ if (!$this->connected) {
+ return false;
+ }
+
+ return isset($this->storage[$key]);
+ }
+
+ /**
+ * Store data at the server with expiration time.
+ *
+ * @param string $key
+ * @param int $ttl
+ * @param mixed $value
+ *
+ * @return bool
+ */
+ public function setex($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 int $ttl
+ *
+ * @return bool
+ */
+ public function setTimeout($key, $ttl)
+ {
+ if (!$this->connected) {
+ return false;
+ }
+
+ if (isset($this->storage[$key])) {
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Retrieve item from the server.
+ *
+ * @param string $key
+ *
+ * @return bool
+ */
+ public function get($key)
+ {
+ if (!$this->connected) {
+ return false;
+ }
+
+ return $this->getData($key);
+ }
+
+ /**
+ * Append data to an existing item.
+ *
+ * @param string $key
+ * @param string $value
+ *
+ * @return int Size of the value after the append
+ */
+ public function append($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 $key
+ *
+ * @return int
+ */
+ public function delete($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[$key]);
+
+ return 1;
+ }
+
+ return 0;
+ }
+
+ /**
+ * Flush all existing items from all databases at the server.
+ *
+ * @return bool
+ */
+ public function flushAll()
+ {
+ if (!$this->connected) {
+ return false;
+ }
+
+ $this->storage = array();
+
+ return true;
+ }
+
+ /**
+ * Close Redis server connection.
+ *
+ * @return bool
+ */
+ 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;
+ }
+}