Migrate RainLoop Webmail to use Facebook Graph API instead of FQL

rainloop/v/0.0.0/app/libraries/GuzzleHttp/Subscriber/Mock.php

@@ -0,0 +1,143 @@
+<?php
+
+namespace GuzzleHttp\Subscriber;
+
+use GuzzleHttp\Event\RequestEvents;
+use GuzzleHttp\Event\SubscriberInterface;
+use GuzzleHttp\Adapter\Transaction;
+use GuzzleHttp\Event\BeforeEvent;
+use GuzzleHttp\Event\HeadersEvent;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Message\MessageFactory;
+use GuzzleHttp\Message\ResponseInterface;
+
+/**
+ * Queues mock responses or exceptions and delivers mock responses or
+ * exceptions in a fifo order.
+ */
+class Mock implements SubscriberInterface, \Countable
+{
+    /** @var array Array of mock responses / exceptions */
+    private $queue = [];
+
+    /** @var bool Whether or not to consume an entity body when mocking */
+    private $readBodies;
+
+    /** @var MessageFactory */
+    private $factory;
+
+    /**
+     * @param array $items      Array of responses or exceptions to queue
+     * @param bool  $readBodies Set to false to not consume the entity body of
+     *                          a request when a mock is served.
+     */
+    public function __construct(array $items = [], $readBodies = true)
+    {
+        $this->factory = new MessageFactory();
+        $this->readBodies = $readBodies;
+        $this->addMultiple($items);
+    }
+
+    public function getEvents()
+    {
+        // Fire the event last, after signing
+        return ['before' => ['onBefore', RequestEvents::SIGN_REQUEST - 10]];
+    }
+
+    /**
+     * @throws \OutOfBoundsException|\Exception
+     */
+    public function onBefore(BeforeEvent $event)
+    {
+        if (!$item = array_shift($this->queue)) {
+            throw new \OutOfBoundsException('Mock queue is empty');
+        } elseif ($item instanceof RequestException) {
+            throw $item;
+        }
+
+        // Emulate the receiving of the response headers
+        $request = $event->getRequest();
+        $transaction = new Transaction($event->getClient(), $request);
+        $transaction->setResponse($item);
+        $request->getEmitter()->emit(
+            'headers',
+            new HeadersEvent($transaction)
+        );
+
+        // Emulate reading a response body
+        if ($this->readBodies && $request->getBody()) {
+            while (!$request->getBody()->eof()) {
+                $request->getBody()->read(8096);
+            }
+        }
+
+        $event->intercept($item);
+    }
+
+    public function count()
+    {
+        return count($this->queue);
+    }
+
+    /**
+     * Add a response to the end of the queue
+     *
+     * @param string|ResponseInterface $response Response or path to response file
+     *
+     * @return self
+     * @throws \InvalidArgumentException if a string or Response is not passed
+     */
+    public function addResponse($response)
+    {
+        if (is_string($response)) {
+            $response = file_exists($response)
+                ? $this->factory->fromMessage(file_get_contents($response))
+                : $this->factory->fromMessage($response);
+        } elseif (!($response instanceof ResponseInterface)) {
+            throw new \InvalidArgumentException('Response must a message '
+                . 'string, response object, or path to a file');
+        }
+
+        $this->queue[] = $response;
+
+        return $this;
+    }
+
+    /**
+     * Add an exception to the end of the queue
+     *
+     * @param RequestException $e Exception to throw when the request is executed
+     *
+     * @return self
+     */
+    public function addException(RequestException $e)
+    {
+        $this->queue[] = $e;
+
+        return $this;
+    }
+
+    /**
+     * Add multiple items to the queue
+     *
+     * @param array $items Items to add
+     */
+    public function addMultiple(array $items)
+    {
+        foreach ($items as $item) {
+            if ($item instanceof RequestException) {
+                $this->addException($item);
+            } else {
+                $this->addResponse($item);
+            }
+        }
+    }
+
+    /**
+     * Clear the queue
+     */
+    public function clearQueue()
+    {
+        $this->queue = [];
+    }
+}