diff --git a/tests/AsActionWithValidatedAttributesAndPrepareForValidationTest.php b/tests/AsActionWithValidatedAttributesAndPrepareForValidationTest.php
new file mode 100644
index 0000000..e635b3b
--- /dev/null
+++ b/tests/AsActionWithValidatedAttributesAndPrepareForValidationTest.php
@@ -0,0 +1,134 @@
+<?php
+
+namespace Lorisleiva\Actions\Tests;
+
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Facades\Route;
+use Illuminate\Support\Str;
+use Lorisleiva\Actions\ActionRequest;
+use Lorisleiva\Actions\Concerns\AsAction;
+use Lorisleiva\Actions\Concerns\WithAttributes;
+
+class AsActionWithValidatedAttributesAndPrepareForValidationTest
+{
+    use AsAction;
+    use WithAttributes;
+
+    public string $commandSignature = 'my:command {slug}';
+
+    public static ?string $latestResult;
+
+    public function prepareForValidation(): void
+    {
+        $this->fill(['slug' => Str::slug($this->get('slug'))]);
+    }
+
+    public function rules(): array
+    {
+        return [
+            'slug' => ['required', 'alpha_dash'],
+        ];
+    }
+
+    public function handle(array $attributes = []): string
+    {
+        $this->fill($attributes)->validateAttributes();
+
+        return static::$latestResult = $this->get('slug');
+    }
+
+    public function asController(ActionRequest $request): array
+    {
+        $this->fill($request->all());
+
+        return ['slug' => $this->handle()];
+    }
+
+    public function asJob(string $slug): string
+    {
+        return $this->handle(compact('slug'));
+    }
+
+    public function asListener(string $slug): string
+    {
+        return $this->handle(compact('slug'));
+    }
+
+    public function asCommand(Command $command): void
+    {
+        $result = $this->handle([
+            'slug' => $command->argument('slug'),
+        ]);
+
+        $command->line('Slug: ' . $result);
+    }
+}
+
+beforeEach(function () {
+    // Given we reset the latest result between tests.
+    AsActionWithValidatedAttributesAndPrepareForValidationTest::$latestResult = null;
+});
+
+it('runs prepareForValidation as an object', function () {
+    // When we run the action as a plain object.
+    $result = AsActionWithValidatedAttributesAndPrepareForValidationTest::run([
+        'slug' => 'My Slug 123',
+    ]);
+
+    // Then we get the expected result.
+    expect($result)->toBe('my-slug-123');
+    expect(AsActionWithValidatedAttributesAndPrepareForValidationTest::$latestResult)->toBe('my-slug-123');
+});
+
+it('runs prepareForValidation as a controller', function () {
+    // Given we have a route registered for that action.
+    Route::post('slugs', AsActionWithValidatedAttributesAndPrepareForValidationTest::class);
+
+    // When we run the action as an endpoint.
+    $response = $this->postJson('slugs', [
+        'slug' => 'My Slug 123',
+    ]);
+
+    // Then we get the expected result.
+    $response->assertOk();
+    $response->assertExactJson(['slug' => 'my-slug-123']);
+    expect(AsActionWithValidatedAttributesAndPrepareForValidationTest::$latestResult)->toBe('my-slug-123');
+});
+
+it('runs prepareForValidation as a job', function () {
+    // When we dispatch the action as a job.
+    AsActionWithValidatedAttributesAndPrepareForValidationTest::dispatch('My Slug 123');
+
+    // Then we get the expected result.
+    expect(AsActionWithValidatedAttributesAndPrepareForValidationTest::$latestResult)->toBe('my-slug-123');
+});
+
+it('runs prepareForValidation as a listener', function () {
+    // Given we are listening for the OperationRequestedEvent.
+    Event::listen('slugs.create', AsActionWithValidatedAttributesAndPrepareForValidationTest::class);
+
+    // When we dispatch the OperationRequestedEvent.
+    $results = Event::dispatch('slugs.create', [
+        'slug' => 'My Slug 123',
+    ]);
+
+    // Then we get the expected result.
+    expect($results[0])->toBe('my-slug-123');
+    expect(AsActionWithValidatedAttributesAndPrepareForValidationTest::$latestResult)->toBe('my-slug-123');
+});
+
+it('runs prepareForValidation as a command', function () {
+    // Given we registered the action as a command.
+    registerCommands([AsActionWithValidatedAttributesAndPrepareForValidationTest::class]);
+
+    // When we run the action as a command.
+    $command = $this->artisan('my:command "My Slug 123"');
+
+    // Then we get the expected output.
+    $command->expectsOutput('Slug: my-slug-123');
+
+    // And the expected result.
+    $command->run();
+    expect(AsActionWithValidatedAttributesAndPrepareForValidationTest::$latestResult)->toBe('my-slug-123');
+});