ldc-boutique-cnc-sable/tests/Unit/App/Actions/Discounts/CreateDiscountInputTest.php

<?php

declare(strict_types=1);

namespace Tests\Unit\App\Actions\Discounts;

use App\Actions\Discounts\CreateDiscountInput;
use Domain\Enums\DiscountType;
use Domain\Models\ValueObjects\DatePeriod;
use Domain\Models\ValueObjects\DiscountValue;
use Money\Currency;
use Money\Money;

describe('CreateDiscountInput', function (): void {
    it('creates a valid CreateDiscountInput instance with percentage', function (): void {
        // GIVEN
        $type   = DiscountType::PERCENT;
        $value  = DiscountValue::fromPercentage(20);
        $period = new DatePeriod();

        // WHEN
        $input = new CreateDiscountInput(
            type: $type,
            value: $value,
            is_old_price_displayed: true,
            period: $period,
            associatedProductsIds: ['018f-product-1', '018f-product-2'],
        );

        // THEN
        expect($input->type)->toBe(DiscountType::PERCENT)
            ->and($input->value)->toBe($value)
            ->and($input->is_old_price_displayed)->toBeTrue()
            ->and($input->period)->toBe($period)
            ->and($input->associatedProductsIds)->toBe(['018f-product-1', '018f-product-2']);
    });

    it('creates a valid CreateDiscountInput instance with amount', function (): void {
        // GIVEN
        $type  = DiscountType::AMOUNT;
        $value = DiscountValue::fromAmount(new Money(500, new Currency('EUR')));

        // WHEN
        $input = new CreateDiscountInput(
            type: $type,
            value: $value,
            is_old_price_displayed: false,
        );

        // THEN
        expect($input->type)->toBe(DiscountType::AMOUNT)
            ->and($input->value)->toBe($value)
            ->and($input->is_old_price_displayed)->toBeFalse()
            ->and($input->associatedProductsIds)->toBeEmpty();
    });

    it('throws when discount value type does not match discount type', function (): void {
        // GIVEN
        $type  = DiscountType::PERCENT;
        $value = DiscountValue::fromAmount(new Money(500, new Currency('EUR')));

        // WHEN
        expect(fn () => new CreateDiscountInput(
            type: $type,
            value: $value,
            is_old_price_displayed: true,
        ))
            // THEN
            ->toThrow(\InvalidArgumentException::class, 'The discount value type must match the discount type.');
    });

    it('throws when associatedProductsIds contains non-string items', function (): void {
        // GIVEN
        $type  = DiscountType::PERCENT;
        $value = DiscountValue::fromPercentage(10);

        // WHEN
        expect(fn () => new CreateDiscountInput(
            type: $type,
            value: $value,
            is_old_price_displayed: true,
            associatedProductsIds: [123], // @phpstan-ignore argument.type
        ))
            // THEN
            ->toThrow(\InvalidArgumentException::class);
    });
});