Test validations of a FormRequest in Laravel

test-validations-of-formrequest.php

<?php

namespace Tests\Unit;

use Tests\TestCase;
use Illuminate\Foundation\Testing\DatabaseMigrations;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use App\Models\Notification\PushNotification;
use App\Modules\Partner\Requests\CreatePushNotificationRequest;

class PushNotificationTest extends TestCase
{
    /** @test */
    public function it_should_get_validation_error_by_not_entering_email_address_while_sending_push_notification()
    {
        $data = [
            'push_notification_service_provider_id' => $this->faker->numberBetween(1, 100),
            // 2: email
            'target_type_id' => 2,
            'target_value' => $this->faker->word,
            'title' => $this->faker->word,
            'message' => $this->faker->word,
            'send_now' => 1,
            'status' => 1,
        ];
        
        $request = new CreatePushNotificationRequest();

        $rules = $request->rules();
        $validator = \Validator::make($data, $rules);

        // fails() check must be before withValidator() validation
        $fails = $validator->fails();

        // trigger manually withValidator after
        $validator->after($request->withValidatorAfter($validator));
        $messages = $validator->messages()->messages();

        $this->assertFalse($fails);
        $this->assertTrue(array_key_exists('target_value', $messages));
    }
}

?>

My current version of Laravel, 8.0. I needed to change:

$validator->after($request->withValidatorAfter($validator));

To:

$validator->after([$request, 'withValidatorAfter']);

As after was expecting a callable