ldc-arcadia-api/tests/Unit/Domain/Models/ValueObjects/Inco/AdditiveTest.php

<?php

declare(strict_types=1);

namespace Tests\Unit\Domain\Models\ValueObjects\Inco;

use Domain\Models\ValueObjects\Inco\Additive;

covers(Additive::class);

describe('Additive Value Object Instantiation', function (): void {
    it('can be instantiated with valid E-number code and label', function (): void {
        // GIVEN
        $code  = 'E300';
        $label = 'Acide ascorbique';

        // WHEN
        $additive = new Additive($code, $label);

        // THEN
        expect($additive->code)->toBe('E300')
            ->and($additive->label)->toBe('Acide ascorbique');
    });
});

describe('Additive Value Object Domain Rules', function (): void {
    it('throws DomainException for invalid code format', function (): void {
        // GIVEN, WHEN & THEN
        expect(fn () => new Additive('300', 'Acide ascorbique'))
            ->toThrow(\DomainException::class, "Invalid additive code '300'");
    });

    it('throws DomainException for empty label', function (): void {
        // GIVEN, WHEN & THEN
        expect(fn () => new Additive('E300', '   '))
            ->toThrow(\DomainException::class, "Invalid label for additive 'E300': must not be empty");
    });
});