144 - Testing the Event Listener

tests/Unit/Listeners/SchedulePosterImageProcessingTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Tests\Unit\Listeners;
+
+use Tests\TestCase;
+use App\Events\ConcertAdded;
+use App\Jobs\ProcessPosterImage;
+use Illuminate\Support\Facades\Queue;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+class SchedulePosterImageProcessingTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /** @test */
+    function it_queues_a_job_to_process_a_poster_image_if_a_poster_image_is_present()
+    {
+        Queue::fake();
+
+        $concert = \ConcertFactory::createUnpublished([
+            'poster_image_path' => 'posters/example-poster.png',
+        ]);
+
+        ConcertAdded::dispatch($concert);
+
+        Queue::assertPushed(ProcessPosterImage::class, function ($job) use ($concert) {
+            return $job->concert->is($concert);
+        });
+    }
+
+    /** @test */
+    function a_job_is_not_queued_if_a_poster_is_not_present()
+    {
+        Queue::fake();
+
+        $concert = \ConcertFactory::createUnpublished([
+            'poster_image_path' => null,
+        ]);
+
+        ConcertAdded::dispatch($concert);
+
+        Queue::assertNotPushed(ProcessPosterImage::class);
+    }
+}