Merge pull request #464 from patchlevel/psr-event-dispatcher

add psr 14 support

composer.json

@@ -25,6 +25,7 @@
     "patchlevel/worker": "^1.1.0",
     "psr/cache": "^2.0.0|^3.0.0",
     "psr/clock": "^1.0",
+    "psr/event-dispatcher": "^1.0",
     "psr/log": "^2.0.0|^3.0.0",
     "psr/simple-cache": "^2.0.0|^3.0.0",
     "ramsey/uuid": "^4.7",

src/EventBus/Psr14EventBus.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Patchlevel\EventSourcing\EventBus;
+
+use Psr\EventDispatcher\EventDispatcherInterface;
+
+final class Psr14EventBus implements EventBus
+{
+    public function __construct(
+        private readonly EventDispatcherInterface $eventDispatcher,
+    ) {
+    }
+
+    public function dispatch(Message ...$messages): void
+    {
+        foreach ($messages as $message) {
+            $this->eventDispatcher->dispatch($message);
+        }
+    }
+}

tests/Unit/EventBus/Psr14EventBusTest.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Patchlevel\EventSourcing\Tests\Unit\EventBus;
+
+use Patchlevel\EventSourcing\EventBus\Message;
+use Patchlevel\EventSourcing\EventBus\Psr14EventBus;
+use Patchlevel\EventSourcing\Tests\Unit\Fixture\Email;
+use Patchlevel\EventSourcing\Tests\Unit\Fixture\ProfileCreated;
+use Patchlevel\EventSourcing\Tests\Unit\Fixture\ProfileId;
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Psr\EventDispatcher\EventDispatcherInterface;
+
+/** @covers \Patchlevel\EventSourcing\EventBus\Psr14EventBus */
+final class Psr14EventBusTest extends TestCase
+{
+    use ProphecyTrait;
+
+    public function testDispatchEvent(): void
+    {
+        $message = new Message(
+            new ProfileCreated(
+                ProfileId::fromString('1'),
+                Email::fromString('[email protected]'),
+            ),
+        );
+
+        $eventDispatcher = $this->prophesize(EventDispatcherInterface::class);
+        $eventDispatcher->dispatch($message)->shouldBeCalled();
+
+        $eventBus = new Psr14EventBus($eventDispatcher->reveal());
+        $eventBus->dispatch($message);
+    }
+
+    public function testDispatchMultipleMessages(): void
+    {
+        $message1 = new Message(
+            new ProfileCreated(
+                ProfileId::fromString('1'),
+                Email::fromString('[email protected]'),
+            ),
+        );
+
+        $message2 = new Message(
+            new ProfileCreated(
+                ProfileId::fromString('1'),
+                Email::fromString('[email protected]'),
+            ),
+        );
+
+        $eventDispatcher = $this->prophesize(EventDispatcherInterface::class);
+        $eventDispatcher->dispatch($message1)->shouldBeCalled();
+        $eventDispatcher->dispatch($message2)->shouldBeCalled();
+
+        $eventBus = new Psr14EventBus($eventDispatcher->reveal());
+        $eventBus->dispatch($message1, $message2);
+    }
+}