Laravel assertPaginated macro

macro.php

<?php

// Usgae
// test that posts api return a 15 post/page paginated response.
$this->get('api/posts')->assertPaginated(15);

/**
 * If you use Laravel API resources and want test if an endpoint
 * is paginated use can use: $this->get('...')->assertPaginated();
 * 
 * @param $perPage optional param to check the pagination page size.
*/
TestResponse::macro('assertPaginated', function ($perPage = null) {			
    if ($perPage) {
        $this->assertJsonPath('meta.per_page', $perPage);
    }

    return $this->assertJsonStructure([
        'meta' => [
            'current_page',
            'from',
            'last_page',
            'path',
            'per_page',
            'to',
            'total',
        ],
        'links' => [
            'first',
            'last',
            'next',
            'prev',
        ],
    ]);
});