invoiceninja/tests/Integration/CheckCacheTest.php

<?php

namespace Tests\Integration;

use Illuminate\Foundation\Testing\Concerns\InteractsWithDatabase;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\Cache;
use Tests\MockAccountData;
use Tests\TestCase;

/**
 * @test
 */
class CheckCacheTest extends TestCase
{
    use MockAccountData;
    use DatabaseTransactions;

    public function setUp() :void
    {
        parent::setUp();

        $this->makeTestData();
    }

    public function testWarmedUpCache()
    {
        $date_formats = Cache::get('date_formats');

        $this->assertNotNull($date_formats);
    }

    public function testCacheCount()
    {
        $date_formats = Cache::get('date_formats');

        $this->assertEquals(14, count($date_formats));
    }
}