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

<?php

declare(strict_types=1);

namespace Tests\Unit\App\Actions\Discounts;

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

describe('UpdateDiscountInput', function (): void {
    it('creates a valid UpdateDiscountInput instance with percentage', function (): void {
        // GIVEN
        $discount = new Discount();
        $type     = DiscountType::PERCENT;
        $value    = DiscountValue::fromPercentage(25);
        $period   = new DatePeriod();

        // WHEN
        $input = new UpdateDiscountInput(
            discount: $discount,
            type: $type,
            value: $value,
            is_old_price_displayed: true,
            period: $period,
            associatedProductsIds: ['prod-1', 'prod-2'],
        );

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

    it('creates a valid UpdateDiscountInput instance with amount', function (): void {
        // GIVEN
        $discount = new Discount();
        $type     = DiscountType::AMOUNT;
        $value    = DiscountValue::fromAmount(new Money(1500, new Currency('EUR')));

        // WHEN
        $input = new UpdateDiscountInput(
            discount: $discount,
            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
        $discount = new Discount();
        $type     = DiscountType::AMOUNT;
        $value    = DiscountValue::fromPercentage(15);

        // WHEN
        expect(fn () => new UpdateDiscountInput(
            discount: $discount,
            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
        $discount = new Discount();
        $type     = DiscountType::PERCENT;
        $value    = DiscountValue::fromPercentage(10);

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