Add test for prepended UniqueJobDecorator

tests/AsJobWithJobDecoratorTest.php

@@ -36,6 +36,7 @@ public function asJob(JobDecorator $job, int $left, int $right)
 
     // Then it received the JobDecorator as its first argument.
     $job = AsJobWithJobDecoratorTest::$latestJobDecorator;
+    expect($job)->toBeInstanceOf(JobDecorator::class);
     expect($job->getParameters())->toBe([1, 2]);
     expect(get_class($job->getAction()))->toBe(AsJobWithJobDecoratorTest::class);
 

tests/AsJobWithUniqueJobDecoratorTest.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Lorisleiva\Actions\Tests;
+
+use Illuminate\Contracts\Queue\ShouldBeUnique;
+use Lorisleiva\Actions\Concerns\AsJob;
+use Lorisleiva\Actions\Decorators\JobDecorator;
+use Lorisleiva\Actions\Decorators\UniqueJobDecorator;
+
+class AsJobWithUniqueJobDecoratorTest implements ShouldBeUnique
+{
+    use AsJob;
+
+    public static ?int $latestResult;
+    public static ?JobDecorator $latestJobDecorator;
+
+    public function handle(int $left, int $right)
+    {
+        static::$latestResult = $left + $right;
+    }
+
+    public function asJob(UniqueJobDecorator $job, int $left, int $right)
+    {
+        static::$latestJobDecorator = $job;
+        $this->handle($left, $right);
+    }
+}
+
+beforeEach(function () {
+    // Given we reset the static variables.
+    AsJobWithUniqueJobDecoratorTest::$latestResult = null;
+    AsJobWithUniqueJobDecoratorTest::$latestJobDecorator = null;
+});
+
+it('can access the UniqueJobDecorator instance from the asJob method', function () {
+    // When we dispatch a job that expects a UniqueJobDecorator as a first argument.
+    AsJobWithUniqueJobDecoratorTest::dispatch(1, 2);
+
+    // Then it received the UniqueJobDecorator as its first argument.
+    $job = AsJobWithUniqueJobDecoratorTest::$latestJobDecorator;
+    expect($job)->toBeInstanceOf(UniqueJobDecorator::class);
+    expect($job->getParameters())->toBe([1, 2]);
+    expect(get_class($job->getAction()))->toBe(AsJobWithUniqueJobDecoratorTest::class);
+
+    // And the received the expected result.
+    expect(AsJobWithUniqueJobDecoratorTest::$latestResult)->toBe(3);
+});