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Set event ID when persisting messages #247

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axlon wants to merge 1 commit into from
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Set event ID when persisting messages #247

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6 changes: 5 additions & 1 deletion src/EventSourcedAggregateRootRepository.php
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
namespace EventSauce\EventSourcing;

use Generator;
use Ramsey\Uuid\Uuid;
use Throwable;

use function assert;
Expand Down Expand Up @@ -98,7 +99,10 @@ public function persistEvents(AggregateRootId $aggregateRootId, int $aggregateRo
$messages = array_map(function (object $event) use ($metadata, &$aggregateRootVersion) {
return $this->decorator->decorate(new Message(
$event,
$metadata + [Header::AGGREGATE_ROOT_VERSION => ++$aggregateRootVersion]
$metadata + [
Header::AGGREGATE_ROOT_VERSION => ++$aggregateRootVersion,
Header::EVENT_ID => Uuid::uuid4()->toString(),
],
));
}, $events);

Expand Down
23 changes: 23 additions & 0 deletions src/EventSourcedAggregateRootRepositoryTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
use EventSauce\EventSourcing\TestUtilities\TestingAggregates\DummyAggregate;
use PHPUnit\Framework\TestCase;

use Ramsey\Uuid\Uuid;
use function iterator_to_array;

class EventSourcedAggregateRootRepositoryTest extends TestCase
Expand Down Expand Up @@ -56,4 +57,26 @@ public function aggregate_types_are_added_to_messages(): void
self::assertEquals($expectedAggregateRootType, $messages[1]->aggregateRootType());
self::assertEquals($expectedAggregateRootType, $messages[2]->aggregateRootType());
}

/**
* @test
*/
public function event_ids_are_added_to_messages(): void
{
$messageRepository = new InMemoryMessageRepository();
$repository = new EventSourcedAggregateRootRepository(DummyAggregate::class, $messageRepository);
/** @var DummyAggregate $aggregate */
$aggregateRootId = DummyAggregateRootId::generate();
$aggregate = $repository->retrieve($aggregateRootId);
$aggregate->increment();
$aggregate->increment();
$aggregate->increment();
$repository->persist($aggregate);

/** @var Message[] $messages */
$messages = iterator_to_array($messageRepository->retrieveAll($aggregateRootId));
self::assertTrue(Uuid::isValid($messages[0]->header(Header::EVENT_ID)));
self::assertTrue(Uuid::isValid($messages[1]->header(Header::EVENT_ID)));
self::assertTrue(Uuid::isValid($messages[2]->header(Header::EVENT_ID)));
}
}