39 lines
934 B
PHP
39 lines
934 B
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace Tests\Unit\Domain\Models\ValueObjects\Stock;
|
|
|
|
use Domain\Models\ValueObjects\Stock\StockAmount;
|
|
|
|
covers(StockAmount::class);
|
|
|
|
describe('stock amount', function (): void {
|
|
it('creates a valid stock amount', function (): void {
|
|
// GIVEN
|
|
$value = 10;
|
|
|
|
// WHEN
|
|
$amount = new StockAmount($value);
|
|
|
|
// THEN
|
|
expect($amount)->toBeInstanceOf(StockAmount::class)
|
|
->and($amount->value)->toBe($value);
|
|
});
|
|
|
|
it('accepts a zero value', function (): void {
|
|
// WHEN
|
|
$amount = new StockAmount(0);
|
|
|
|
// THEN
|
|
expect($amount->value)->toBe(0);
|
|
});
|
|
|
|
it('rejects a negative value', function (): void {
|
|
// WHEN
|
|
$action = fn (): StockAmount => new StockAmount(-1);
|
|
|
|
// THEN
|
|
expect($action)->toThrow(\DomainException::class, 'Stock Amount should be positive.');
|
|
});
|
|
});
|