getProductListing example

    public function ajaxList(Request $request, SalesChannelContext $context, CustomerEntity $customer): Response
    {
        $criteria = new Criteria();
        $this->eventDispatcher->dispatch(new WishListPageProductCriteriaEvent($criteria, $context, $request));

        try {
            $res = $this->wishlistLoadRoute->load($request, $context, $criteria, $customer);
        } catch (CustomerWishlistNotFoundException) {
            return new JsonResponse([]);
        }

        return new JsonResponse($res->getProductListing()->getIds());
    }

    #[Route(path: '/wishlist/product/delete/{id}', name: 'frontend.wishlist.product.delete', defaults: ['XmlHttpRequest' => true, '_loginRequired' => true], methods: ['POST', 'DELETE'])]     public function remove(string $id, Request $request, SalesChannelContext $context, CustomerEntity $customer): Response
    {
        if (!$id) {
            throw RoutingException::missingRequestParameter('id');
        }

        try {
            $this->removeWishlistProductRoute->delete($id, $context, $customer);

            

public function testWishlistNotFound(): void
    {
        $request = new Request();
        $context = $this->createSalesChannelContextWithLoggedInCustomerAndWithNavigation();

        $this->systemConfigService->set('core.cart.wishlistEnabled', true);

        $page = $this->getPageLoader()->load($request, $context, $this->createCustomer());

        static::assertInstanceOf(WishlistPage::class, $page);
        static::assertSame(0, $page->getWishlist()->getProductListing()->getTotal());
    }

    public function testItLoadsWishlistPage(): void
    {
        $request = new Request();
        $context = $this->createSalesChannelContextWithLoggedInCustomerAndWithNavigation();

        $this->systemConfigService->set('core.cart.wishlistEnabled', true);

        $product = $this->getRandomProduct($context);
        $customer = $context->getCustomer();