ticketbeast/tests/Unit/Mail/AttendeeMessageEmailTest.php

<?php

namespace Tests\Unit\Mail;

use App\Order;
use Tests\TestCase;
use App\AttendeeMessage;
use App\Mail\AttendeeMessageEmail;

class AttendeeMessageEmailTest extends TestCase
{
    /** @test */
    function email_has_the_correct_subject_and_message()
    {
        $message = new AttendeeMessage([
            'subject' => 'My subject',
            'message' => 'My message',
        ]);
        $email = new AttendeeMessageEmail($message);

        $this->assertEquals("My subject", $email->build()->subject);
        $this->assertEquals("My message", trim($this->render($email)));
    }

    private function render($mailable)
    {
        $mailable->build();
        return view($mailable->textView, $mailable->buildViewData())->render();
    }
}