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[Messenger] Add WorkerStoppedEvent #31282

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Merged
merged 1 commit into from
Apr 28, 2019
Merged

[Messenger] Add WorkerStoppedEvent #31282

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1 change: 1 addition & 0 deletions src/Symfony/Component/Messenger/CHANGELOG.md
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Expand Up @@ -4,6 +4,7 @@ CHANGELOG
4.3.0
-----

* Added `WorkerStoppedEvent` dispatched when a worker is stopped.
* Added optional `MessageCountAwareInterface` that receivers can implement
to give information about how many messages are waiting to be processed.
* [BC BREAK] The `Envelope::__construct()` signature changed:
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23 changes: 23 additions & 0 deletions src/Symfony/Component/Messenger/Event/WorkerStoppedEvent.php
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@@ -0,0 +1,23 @@
<?php

/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

namespace Symfony\Component\Messenger\Event;

/**
* Dispatched when a worker has been stopped.
*
* @author Robin Chalas <[email protected]>
*
* @experimental in 4.3
*/
class WorkerStoppedEvent
{
}
11 changes: 7 additions & 4 deletions src/Symfony/Component/Messenger/Tests/WorkerTest.php
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Expand Up @@ -16,6 +16,7 @@
use Symfony\Component\Messenger\Event\WorkerMessageFailedEvent;
use Symfony\Component\Messenger\Event\WorkerMessageHandledEvent;
use Symfony\Component\Messenger\Event\WorkerMessageReceivedEvent;
use Symfony\Component\Messenger\Event\WorkerStoppedEvent;
use Symfony\Component\Messenger\Exception\UnrecoverableMessageHandlingException;
use Symfony\Component\Messenger\MessageBusInterface;
use Symfony\Component\Messenger\Retry\RetryStrategyInterface;
Expand Down Expand Up @@ -187,11 +188,12 @@ public function testWorkerDispatchesEventsOnSuccess()

$eventDispatcher = $this->getMockBuilder(EventDispatcherInterface::class)->getMock();

$eventDispatcher->expects($this->exactly(2))
$eventDispatcher->expects($this->exactly(3))
->method('dispatch')
->withConsecutive(
[$this->isInstanceOf(WorkerMessageReceivedEvent::class)],
[$this->isInstanceOf(WorkerMessageHandledEvent::class)]
[$this->isInstanceOf(WorkerMessageHandledEvent::class)],
[$this->isInstanceOf(WorkerStoppedEvent::class)]
);

$worker = new Worker([$receiver], $bus, [], $eventDispatcher);
Expand All @@ -214,11 +216,12 @@ public function testWorkerDispatchesEventsOnError()

$eventDispatcher = $this->getMockBuilder(EventDispatcherInterface::class)->getMock();

$eventDispatcher->expects($this->exactly(2))
$eventDispatcher->expects($this->exactly(3))
->method('dispatch')
->withConsecutive(
[$this->isInstanceOf(WorkerMessageReceivedEvent::class)],
[$this->isInstanceOf(WorkerMessageFailedEvent::class)]
[$this->isInstanceOf(WorkerMessageFailedEvent::class)],
[$this->isInstanceOf(WorkerStoppedEvent::class)]
);

$worker = new Worker([$receiver], $bus, [], $eventDispatcher);
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3 changes: 3 additions & 0 deletions src/Symfony/Component/Messenger/Worker.php
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Expand Up @@ -15,6 +15,7 @@
use Symfony\Component\Messenger\Event\WorkerMessageFailedEvent;
use Symfony\Component\Messenger\Event\WorkerMessageHandledEvent;
use Symfony\Component\Messenger\Event\WorkerMessageReceivedEvent;
use Symfony\Component\Messenger\Event\WorkerStoppedEvent;
use Symfony\Component\Messenger\Exception\HandlerFailedException;
use Symfony\Component\Messenger\Exception\LogicException;
use Symfony\Component\Messenger\Exception\UnrecoverableMessageHandlingException;
Expand Down Expand Up @@ -109,6 +110,8 @@ public function run(array $options = [], callable $onHandledCallback = null): vo
usleep($options['sleep']);
}
}

$this->dispatchEvent(new WorkerStoppedEvent());
}

private function handleMessage(Envelope $envelope, ReceiverInterface $receiver, string $receiverName, ?RetryStrategyInterface $retryStrategy)
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