invoiceninja/tests/Unit/SystemHealthTest.php

<?php

namespace Tests\Unit;

use App\Utils\SystemHealth;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Tests\TestCase;

/**
 * @test
 * @covers  App\Utils\SystemHealth
 */
class SystemHealthTest extends TestCase
{
    public function setUp() :void
    {
        parent::setUp();
    }

    public function testVariables()
    {
        $results = SystemHealth::check();

        $this->assertTrue(is_array($results));

        $this->assertTrue(count($results) > 1);

        $this->assertTrue((bool) $results['system_health']);

        $this->assertTrue($results['extensions'][0]['mysqli']);
        $this->assertTrue($results['extensions'][1]['gd']);
        $this->assertTrue($results['extensions'][2]['curl']);
        $this->assertTrue($results['extensions'][3]['zip']);
    }
}