<?php

declare(strict_types=1);

namespace App\Tests\Service;

use App\Service\RequestIdGenerator;
use PHPUnit\Framework\TestCase;

class RequestIdGeneratorTest extends TestCase
{
    public function testGeneratesFilenameSafeRequestId(): void
    {
        $generator = new RequestIdGenerator();

        $requestId = $generator->generateBaseId();

        self::assertMatchesRegularExpression('/^r-[0-9a-z]{10}-[0-9a-z]{8}$/', $requestId);
    }

    public function testGeneratedIdsAreSortableByTime(): void
    {
        $generator = new RequestIdGenerator();

        $first = $generator->generateBaseId();
        usleep(2_000);
        $second = $generator->generateBaseId();
        usleep(2_000);
        $third = $generator->generateBaseId();

        self::assertTrue($first < $second);
        self::assertTrue($second < $third);
    }
}