animethemes-server/tests/Feature/GraphQL/Schema/Queries/Auth/MeQueryTest.php

<?php

declare(strict_types=1);

use App\Models\Auth\User;

use function Pest\Laravel\actingAs;
use function Pest\Laravel\post;

test('unauthenticated returns null', function () {
    $response = post(route('graphql'), [
        'query' => '
            query {
                me {
                    id
                }
            }
        ',
    ]);

    $response->assertOk();
    $response->assertJson([
        'data' => [
            'me' => null,
        ],
    ]);
});

test('authenticated returns user', function () {
    $user = User::factory()->createOne();

    actingAs($user);

    $response = post(route('graphql'), [
        'query' => '
            query {
                me {
                    id
                }
            }
        ',
    ]);

    $response->assertOk();
    $response->assertJson([
        'data' => [
            'me' => [
                'id' => $user->getKey(),
            ],
        ],
    ]);
});