shlink/module/Common/test/Util/StringUtilsTraitTest.php

<?php
declare(strict_types=1);

namespace ShlinkioTest\Shlink\Common\Util;

use PHPUnit\Framework\TestCase;
use Shlinkio\Shlink\Common\Util\StringUtilsTrait;

use function Functional\map;
use function range;
use function strlen;

class StringUtilsTraitTest extends TestCase
{
    use StringUtilsTrait;

    /**
     * @test
     * @dataProvider provideLengths
     */
    public function generateRandomStringGeneratesStringOfProvidedLength(int $length): void
    {
        $this->assertEquals($length, strlen($this->generateRandomString($length)));
    }

    public function provideLengths(): array
    {
        return map(range(10, 50, 5), function (int $i) {
            return [$i];
        });
    }

    /** @test */
    public function generatesUuidV4()
    {
        $uuidPattern = '/[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}/';

        $this->assertRegExp($uuidPattern, $this->generateV4Uuid());
        $this->assertRegExp($uuidPattern, $this->generateV4Uuid());
        $this->assertRegExp($uuidPattern, $this->generateV4Uuid());
        $this->assertRegExp($uuidPattern, $this->generateV4Uuid());
        $this->assertRegExp($uuidPattern, $this->generateV4Uuid());
    }
}