<?php

declare(strict_types=1);

namespace Tests\Unit\Shared\Helpers;

use Shared\Helpers\StringHelper;

covers(StringHelper::class);

describe('StringHelper Unit Tests', function (): void {
    it('prevents direct instantiation', function (): void {
        // GIVEN
        $reflection = new \ReflectionClass(StringHelper::class);

        // WHEN & THEN
        expect(fn () => $reflection->newInstance())
            ->toThrow(\ReflectionException::class);
    });

    it('transliterates accented and special characters to ascii', function (): void {
        // GIVEN
        $input = 'Émincés & Rôti, crème brûlée, ça va ?';

        // WHEN
        $result = StringHelper::transliterate($input);

        // THEN
        expect($result)->toBe('Eminces & Roti, creme brulee, ca va ?');
    });

    it('handles empty strings and plain ascii strings without modification', function (): void {
        // GIVEN
        $empty = '';
        $ascii = 'hello world 123';

        // WHEN & THEN
        expect(StringHelper::transliterate($empty))->toBe('')
            ->and(StringHelper::transliterate($ascii))->toBe('hello world 123');
    });
});