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

<?php

declare(strict_types=1);

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

use Domain\Models\ValueObjects\Inco\Allergen;

covers(Allergen::class);

describe('Allergen Value Object Instantiation', function (): void {
    it('can be instantiated with positive code and label', function (): void {
        // GIVEN
        $code  = 1;
        $label = 'Gluten';

        // WHEN
        $allergen = new Allergen($code, $label);

        // THEN
        expect($allergen->code)->toBe(1)
            ->and($allergen->label)->toBe('Gluten');
    });
});

describe('Allergen Value Object Domain Rules', function (): void {
    it('throws DomainException for code <= 0', function (): void {
        // GIVEN, WHEN & THEN
        expect(fn () => new Allergen(0, 'Gluten'))
            ->toThrow(\DomainException::class, "Invalid code '0' shall be greater than 0");
    });

    it('throws DomainException for empty label', function (): void {
        // GIVEN, WHEN & THEN
        expect(fn () => new Allergen(1, '   '))
            ->toThrow(\DomainException::class, "Invalid label '   ' should not be empty");
    });
});