File: application/modules/extensions/aws/Aws/MockHandler.php

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File: application/modules/extensions/aws/Aws/MockHandler.php
Role: Application script
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<?php
namespace Aws;

use
Aws\Exception\AwsException;
use
GuzzleHttp\Promise;
use
GuzzleHttp\Promise\RejectedPromise;
use
Psr\Http\Message\RequestInterface;

/**
 * Returns promises that are rejected or fulfilled using a queue of
 * Aws\ResultInterface and Aws\Exception\AwsException objects.
 */
class MockHandler implements \Countable
{
    private
$queue;
    private
$lastCommand;
    private
$lastRequest;
    private
$onFulfilled;
    private
$onRejected;

   
/**
     * The passed in value must be an array of {@see Aws\ResultInterface} or
     * {@see AwsException} objects that acts as a queue of results or
     * exceptions to return each time the handler is invoked.
     *
     * @param array $resultOrQueue
     * @param callable $onFulfilled Callback to invoke when the return value is fulfilled.
     * @param callable $onRejected Callback to invoke when the return value is rejected.
     */
   
public function __construct(
        array
$resultOrQueue = [],
        callable
$onFulfilled = null,
        callable
$onRejected = null
   
) {
       
$this->onFulfilled = $onFulfilled;
       
$this->onRejected = $onRejected;

        if (
$resultOrQueue) {
           
call_user_func_array([$this, 'append'], $resultOrQueue);
        }
    }

   
/**
     * Adds one or more variadic ResultInterface or AwsException objects to the
     * queue.
     */
   
public function append()
    {
        foreach (
func_get_args() as $value) {
            if (
$value instanceof ResultInterface
               
|| $value instanceof AwsException
               
|| is_callable($value)
            ) {
               
$this->queue[] = $value;
            } else {
                throw new \
InvalidArgumentException('Expected an Aws\ResultInterface or Aws\Exception\AwsException.');
            }
        }
    }

    public function
__invoke(
       
CommandInterface $command,
       
RequestInterface $request
   
) {
        if (!
$this->queue) {
           
$last = $this->lastCommand
               
? ' The last command sent was ' . $this->lastCommand->getName() . '.'
               
: '';
            throw new \
RuntimeException('Mock queue is empty. Trying to send a '
               
. $command->getName() . ' command failed.' . $last);
        }

       
$this->lastCommand = $command;
       
$this->lastRequest = $request;

       
$result = array_shift($this->queue);

        if (
is_callable($result)) {
           
$result = $result($command, $request);
        }

        if (
$result instanceof \Exception) {
           
$result = new RejectedPromise($result);
        } else {
           
// Add an effective URI and statusCode if not present.
           
$meta = $result['@metadata'];
            if (!isset(
$meta['effectiveUri'])) {
               
$meta['effectiveUri'] = (string) $request->getUri();
            }
            if (!isset(
$meta['statusCode'])) {
               
$meta['statusCode'] = 200;
            }
           
$result['@metadata'] = $meta;
           
$result = Promise\promise_for($result);
        }

       
$result->then($this->onFulfilled, $this->onRejected);

        return
$result;
    }

   
/**
     * Get the last received request.
     *
     * @return RequestInterface
     */
   
public function getLastRequest()
    {
        return
$this->lastRequest;
    }

   
/**
     * Get the last received command.
     *
     * @return CommandInterface
     */
   
public function getLastCommand()
    {
        return
$this->lastCommand;
    }

   
/**
     * Returns the number of remaining items in the queue.
     *
     * @return int
     */
   
public function count()
    {
        return
count($this->queue);
    }
}


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