ldc-boutique-cnc-sable/tests/Unit/Domain/Models/ValueObjects/SlugTest.php

<?php

declare(strict_types=1);

use Domain\Models\ValueObjects\Slug;

describe('Slug Value Object', function () {
    test('it can be instantiated with a valid slug', function () {
        // GIVEN
        $validSlug = 'ma-belle-gamme';

        // WHEN
        $slug = new Slug($validSlug);

        // THEN
        expect($slug->value)->toBe('ma-belle-gamme')
            ->and((string) $slug)->toBe('ma-belle-gamme');
    });

    test('it throws when slug is empty', function () {
        // GIVEN
        $empty = '   ';

        // WHEN & THEN
        expect(fn () => new Slug($empty))
            ->toThrow(\InvalidArgumentException::class, 'Slug cannot be empty.');
    });

    test('it throws when slug exceeds 255 characters', function () {
        // GIVEN
        $long = str_repeat('a', 256);

        // WHEN & THEN
        expect(fn () => new Slug($long))
            ->toThrow(\InvalidArgumentException::class, 'Slug cannot exceed 255 characters.');
    });

    test('it throws when slug format is invalid', function () {
        // GIVEN
        $invalid = 'Invalid Slug With Spaces!';

        // WHEN & THEN
        expect(fn () => new Slug($invalid))
            ->toThrow(\InvalidArgumentException::class, 'Slug format is invalid.');
    });

    test('it creates slug from raw string with fromString', function () {
        // GIVEN
        $raw = 'Nouvelle Gamme Spéciale 2026 !';

        // WHEN
        $slug = Slug::fromString($raw);

        // THEN
        expect($slug->value)->toBe('nouvelle-gamme-speciale-2026')
            ->and((string) $slug)->toBe('nouvelle-gamme-speciale-2026');
    });

    test('it throws fromString when string produces empty slug', function () {
        // GIVEN
        $raw = '??? !!!';

        // WHEN & THEN
        expect(fn () => Slug::fromString($raw))
            ->toThrow(\InvalidArgumentException::class, 'Cannot generate a valid slug from given string.');
    });
});