ldc-boutique-cnc-sable/tests/Unit/Domain/Services/BasketServiceTest.php

<?php

declare(strict_types=1);

namespace Tests\Unit\Domain\Services;

use Domain\Enums\ProductBrand;
use Domain\Enums\TaxRate;
use Domain\Enums\Units\OrderUnit;
use Domain\Models\Entities\Basket;
use Domain\Models\ValueObjects\BasketProduct;
use Domain\Models\ValueObjects\DiscountRate;
use Domain\Models\ValueObjects\Entities\BasketId;
use Domain\Models\ValueObjects\Entities\ProductId;
use Domain\Models\ValueObjects\IncoId;
use Domain\Models\ValueObjects\SessionId;
use Domain\Ports\Repositories\BasketRepository;
use Domain\Ports\Repositories\ProductRepository;
use Domain\Ports\Services\SessionService;
use Domain\Services\BasketService;
use Mockery;
use Money\Money;
use Ramsey\Uuid\Uuid;

function makeBasketProduct(array $overrides = []): BasketProduct
{
    $data = array_merge([
        'id'             => new ProductId(Uuid::fromString('019e9e37-f2a1-74ef-b9c2-66d222470128')),
        'name'           => 'Poulet Rôti',
        'qty'            => 1,
        'unitPriceHt'    => Money::EUR(1000),
        'unitDiscount'   => Money::EUR(0),
        'taxRate'        => TaxRate::TVA_5_5,
        'weightGrams'    => 1200,
        'brand'          => ProductBrand::marie,
        'incoId'         => new IncoId(45),
        'orderUnit'      => OrderUnit::PCE,
        'slug'           => 'poulet-roti',
        'picture'        => 'images/poulet.jpg',
        'description'    => 'Un bon poulet',
        'weightVariable' => false,
        'discountRate'   => DiscountRate::fromRatio(0.0),
        'priceKgTtc'     => Money::EUR(1500),
    ], $overrides);

    return new BasketProduct(...$data);
}

describe('BasketService', function (): void {

    it('adds a new product to the basket and saves it', function (): void {
        // GIVEN
        $productId     = new ProductId(Uuid::uuid7());
        $qty           = 2;
        $basket        = new Basket(new BasketId(Uuid::uuid7()));
        $basketProduct = makeBasketProduct(['id' => $productId, 'qty' => $qty]);

        $basketRepository = Mockery::mock(BasketRepository::class);
        $sessionService   = Mockery::mock(SessionService::class);
        $sessionService->shouldReceive('get')->andReturn(new SessionId(Uuid::uuid7()))->byDefault();
        $basketRepository->shouldReceive('find')->once()->andReturn($basket);
        $basketRepository->shouldReceive('persist')->once()->with(Mockery::on(function (Basket $b) use ($productId) {
            return $b->has($productId) && $b->countItems() === 2;
        }));

        $productRepository = Mockery::mock(ProductRepository::class);
        $productRepository->shouldReceive('getBasketProduct')->once()->with($productId, $qty)->andReturn($basketProduct);

        $service = new BasketService($basketRepository, $productRepository, $sessionService);

        // WHEN
        $service->add($productId, $qty);

        // THEN
        expect($basket->has($productId))->toBeTrue();
    });

    it('removes a quantity from the basket', function (): void {
        // GIVEN
        $productId = new ProductId(Uuid::uuid7());
        $basket    = new Basket(new BasketId(Uuid::uuid7()));
        $basket->addOrUpdate(makeBasketProduct(['id' => $productId, 'qty' => 3]));

        $basketRepository = Mockery::mock(BasketRepository::class);
        $sessionService   = Mockery::mock(SessionService::class);
        $sessionService->shouldReceive('get')->andReturn(new SessionId(Uuid::uuid7()))->byDefault();
        $basketRepository->shouldReceive('find')->once()->andReturn($basket);
        $basketRepository->shouldReceive('persist')->once()->with(Mockery::on(function (Basket $b) use ($productId) {
            $items = $b->items();

            return $items[(string) $productId->value]->qty === 1;
        }));

        $productRepository = Mockery::mock(ProductRepository::class);

        $service = new BasketService($basketRepository, $productRepository, $sessionService);

        // WHEN
        $service->remove($productId, 2);

        // THEN
        $items = $basket->items();
        expect($items[(string) $productId->value]->qty)->toBe(1);
    });

    it('removes the entire line when quantity to remove equals current quantity', function (): void {
        // GIVEN
        $productId = new ProductId(Uuid::uuid7());
        $basket    = new Basket(new BasketId(Uuid::uuid7()));
        $basket->addOrUpdate(makeBasketProduct(['id' => $productId, 'qty' => 3]));

        $basketRepository = Mockery::mock(BasketRepository::class);
        $sessionService   = Mockery::mock(SessionService::class);
        $sessionService->shouldReceive('get')->andReturn(new SessionId(Uuid::uuid7()))->byDefault();
        $basketRepository->shouldReceive('find')->once()->andReturn($basket);
        $basketRepository->shouldReceive('persist')->once()->with(Mockery::on(function (Basket $b) use ($productId) {
            return ! $b->has($productId);
        }));

        $productRepository = Mockery::mock(ProductRepository::class);

        $service = new BasketService($basketRepository, $productRepository, $sessionService);

        // WHEN
        $service->remove($productId, 3);

        // THEN
        expect($basket->has($productId))->toBeFalse();
    });

    it('removes an entire line directly via removeLine', function (): void {
        // GIVEN
        $productId = new ProductId(Uuid::uuid7());
        $basket    = new Basket(new BasketId(Uuid::uuid7()));
        $basket->addOrUpdate(makeBasketProduct(['id' => $productId, 'qty' => 5]));

        $basketRepository = Mockery::mock(BasketRepository::class);
        $sessionService   = Mockery::mock(SessionService::class);
        $sessionService->shouldReceive('get')->andReturn(new SessionId(Uuid::uuid7()))->byDefault();
        $basketRepository->shouldReceive('find')->once()->andReturn($basket);
        $basketRepository->shouldReceive('persist')->once()->with(Mockery::on(function (Basket $b) use ($productId) {
            return ! $b->has($productId);
        }));

        $productRepository = Mockery::mock(ProductRepository::class);

        $service = new BasketService($basketRepository, $productRepository, $sessionService);

        // WHEN
        $service->removeLine($productId);

        // THEN
        expect($basket->has($productId))->toBeFalse();
    });

    it('empties the basket by destroying it from repository', function (): void {
        // GIVEN
        $basketRepository = Mockery::mock(BasketRepository::class);
        $sessionService   = Mockery::mock(SessionService::class);
        $sessionService->shouldReceive('get')->andReturn(new SessionId(Uuid::uuid7()))->byDefault();
        $basketRepository->shouldReceive('find')->once()->andReturn(new Basket(new BasketId(Uuid::uuid7())));
        $basketRepository->shouldReceive('delete')->once();

        $productRepository = Mockery::mock(ProductRepository::class);

        $service = new BasketService($basketRepository, $productRepository, $sessionService);

        // WHEN
        $service->empty();

        // THEN
        expect(true)->toBeTrue();
    });

    it('gets the basket from repository', function (): void {
        // GIVEN
        $basket           = new Basket(new BasketId(Uuid::uuid7()));
        $basketRepository = Mockery::mock(BasketRepository::class);
        $sessionService   = Mockery::mock(SessionService::class);
        $sessionService->shouldReceive('get')->andReturn(new SessionId(Uuid::uuid7()))->byDefault();
        $basketRepository->shouldReceive('find')->once()->andReturn($basket);

        $productRepository = Mockery::mock(ProductRepository::class);

        $service = new BasketService($basketRepository, $productRepository, $sessionService);

        // WHEN
        $returnedBasket = $service->getBasket();

        // THEN
        expect($returnedBasket)->toBe($basket);
    });

    it('returns a new basket if not found in repository', function (): void {
        // GIVEN
        $sessionId        = new SessionId(Uuid::uuid7());
        $basketRepository = Mockery::mock(BasketRepository::class);
        $sessionService   = Mockery::mock(SessionService::class);
        $sessionService->shouldReceive('get')->andReturn($sessionId)->byDefault();
        $basketRepository->shouldReceive('find')->once()->andReturn(null);

        $productRepository = Mockery::mock(ProductRepository::class);

        $service = new BasketService($basketRepository, $productRepository, $sessionService);

        // WHEN
        $returnedBasket = $service->getBasket();

        // THEN
        expect($returnedBasket)->toBeInstanceOf(Basket::class)
            ->and($returnedBasket->id->value)->toBe($sessionId->value)
            ->and($returnedBasket->countItems())->toBe(0);
    });
});