/**
* Start a consumer that retrieved documents that have to be saved to the index.
*
* @param \Symfony\Component\Console\Input\InputInterface $input
* @param \Symfony\Component\Console\Output\OutputInterface $output
*
* @return integer
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$this->queue->listen(function ($message) {
if (strlen($message->body) == 0) {
$this->queue->rejectMessage($message);
return;
}
$data = json_decode($message->body, true);
$this->indexer->prepareDocument($message);
$this->queue->acknowledge($message);
});
return 1;
}
public function testListen()
{
$queueName = 'queue2';
$callback = new QueueCallableClass();
$channel = $this->getChannel($queueName, true);
$channel->expects($this->once())->method('basic_consume')->with($this->equalTo($queueName), $this->equalTo(''), $this->equalTo(false), $this->equalTo(false), $this->equalTo(false), $this->equalTo(false), $callback);
$connection = $this->getMockBuilder('PhpAmqpLib\\Connection\\AMQPConnection')->disableOriginalConstructor()->setMethods(['channel', 'isConnected', 'close'])->getMock();
$connection->expects($this->once())->method('channel')->will($this->returnValue($channel));
$connection->expects($this->once())->method('isConnected')->will($this->returnValue(true));
$connection->expects($this->once())->method('close');
$queue = new Queue($connection, $queueName);
$queue->listen($callback);
}
/**
* Starts to listen to the queue and grabs the messages from the queue to crawl url's.
*
* It should endless keep listening to the queue, if the listen function stops, something went wrong
* so a non-zero integer is returned to indicate something went wrong.
*
* @param \Symfony\Component\Console\Input\InputInterface $input
* @param \Symfony\Component\Console\Output\OutputInterface $output
*
* @return integer
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$this->queue->listen([$this, 'crawlUrl']);
return 1;
}