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CheckoutModelFactoryTests.cs

using FluentAssertions;
using Nop.Core;
using Nop.Core.Domain.Common;
using Nop.Core.Domain.Customers;
using Nop.Core.Domain.Orders;
using Nop.Core.Domain.Payments;
using Nop.Core.Domain.Shipping;
using Nop.Services.Catalog;
using Nop.Services.Common;
using Nop.Services.Configuration;
using Nop.Services.Customers;
using Nop.Services.Orders;
using Nop.Services.Payments;
using Nop.Tests.Nop.Services.Tests;
using Nop.Web.Factories;
using Nop.Web.Models.Checkout;
using NUnit.Framework;

namespace Nop.Tests.Nop.Web.Tests.Public.Factories;

[TestFixture]
public class CheckoutModelFactoryTests : ServiceTest
{
    private ICheckoutModelFactory _checkoutModelFactory;
    private IShoppingCartService _shoppingCartService;
    private IProductService _productService;
    private IList _cart;
    private OrderSettings _orderSettings;
    private ShippingSettings _shippingSettings;
    private RewardPointsSettings _rewardPointsSettings;
    private IAddressService _addressService;
    private Address _address;
    private ISettingService _settingService;
    private PaymentSettings _paymentSettings;
    private IRewardPointService _rewardPointService;
    private Customer _customer;
    private IPaymentMethod _paymentMethod;
    private CommonSettings _commonSettings;
    private IOrderService _orderService;

    [OneTimeSetUp]
    public async Task SetUp()
    {
        _settingService = GetService();
        _shippingSettings = GetService();
        _rewardPointsSettings = GetService();
        _commonSettings = GetService();

        _shippingSettings.ActiveShippingRateComputationMethodSystemNames.Add("FixedRateTestShippingRateComputationMethod");
        await _settingService.SaveSettingAsync(_shippingSettings);

        _paymentSettings = GetService();
        _paymentSettings.ActivePaymentMethodSystemNames.Add("Payments.TestMethod");
        await _settingService.SaveSettingAsync(_paymentSettings);

        _customer = await GetService().GetCurrentCustomerAsync();

        _rewardPointService = GetService();
        await _rewardPointService.AddRewardPointsHistoryEntryAsync(_customer, 10000, 1);

        _shoppingCartService = GetService();
        _productService = GetService();
        _addressService = GetService();

        _address = new Address();

        await _addressService.InsertAddressAsync(_address);
        await GetService().InsertCustomerAddressAsync(_customer, _address);

        _orderSettings = GetService();

        await _shoppingCartService.AddToCartAsync(_customer, await _productService.GetProductByIdAsync(1), ShoppingCartType.ShoppingCart, 1);
        await _shoppingCartService.AddToCartAsync(_customer, await _productService.GetProductByIdAsync(2), ShoppingCartType.ShoppingCart, 1);
        await _shoppingCartService.AddToCartAsync(_customer, await _productService.GetProductByIdAsync(3), ShoppingCartType.ShoppingCart, 1);

        _cart = await _shoppingCartService.GetShoppingCartAsync(_customer, ShoppingCartType.ShoppingCart);

        _paymentMethod = (await GetService().LoadActivePluginsAsync(["Payments.TestMethod"])).FirstOrDefault();
        _orderService = GetService();

        _checkoutModelFactory = GetService();
    }

    [OneTimeTearDown]
    public async Task TearDown()
    {
        foreach (var shoppingCartItem in _cart)
            await _shoppingCartService.DeleteShoppingCartItemAsync(shoppingCartItem);

        await _addressService.DeleteAddressAsync(_address);

        _shippingSettings.ActiveShippingRateComputationMethodSystemNames.Clear();
        await _settingService.SaveSettingAsync(_shippingSettings);

        _paymentSettings.ActivePaymentMethodSystemNames.Clear();
        await _settingService.SaveSettingAsync(_paymentSettings);

        _rewardPointsSettings.Enabled = true;
        await _settingService.SaveSettingAsync(_rewardPointsSettings);
        foreach (var history in await _rewardPointService.GetRewardPointsHistoryAsync(_customer.Id))
            await _rewardPointService.DeleteRewardPointsHistoryEntryAsync(history);
    }

    [Test]
    public async Task CanPrepareBillingAddressModel()
    {
        var model = await _checkoutModelFactory.PrepareBillingAddressModelAsync(_cart);

        model.ShipToSameAddressAllowed.Should().Be(_shippingSettings.ShipToSameAddress &&
                                                   await _shoppingCartService.ShoppingCartRequiresShippingAsync(_cart));
        model.ShipToSameAddress.Should().Be(!_orderSettings.DisableBillingAddressCheckoutStep);

        model.ExistingAddresses.Any().Should().BeTrue();
        model.ExistingAddresses.Count.Should().Be(1);

        model.InvalidExistingAddresses.Any().Should().BeTrue();
        model.InvalidExistingAddresses.Count.Should().Be(1);

        model.BillingNewAddress.Should().NotBeNull();
    }

    [Test]
    public async Task CanPrepareShippingAddressModel()
    {
        var model = await _checkoutModelFactory.PrepareShippingAddressModelAsync(_cart);

        model.DisplayPickupInStore.Should().Be(!_orderSettings.DisplayPickupInStoreOnShippingMethodPage);

        model.ExistingAddresses.Any().Should().BeTrue();
        model.ExistingAddresses.Count.Should().Be(1);

        model.InvalidExistingAddresses.Any().Should().BeTrue();
        model.InvalidExistingAddresses.Count.Should().Be(1);

        model.ShippingNewAddress.Should().NotBeNull();
    }

    [Test]
    public async Task CanPrepareShippingMethodModel()
    {
        var model = await _checkoutModelFactory.PrepareShippingMethodModelAsync(_cart, await _addressService.GetAddressByIdAsync(1));
        model.DisplayPickupInStore.Should().Be(_orderSettings.DisplayPickupInStoreOnShippingMethodPage);
        model.Warnings.Any().Should().BeFalse();
        model.ShippingMethods.Any().Should().BeTrue();
        model.ShippingMethods.Count.Should().Be(2);
    }

    [Test]
    public async Task CanPreparePaymentMethodModel()
    {
        var model = await _checkoutModelFactory.PreparePaymentMethodModelAsync(_cart, 0);

        model.DisplayRewardPoints.Should().BeTrue();
        model.PaymentMethods.Count.Should().Be(1);
        model.RewardPointsToUseAmount.Should().Be("$1,944.90");
        model.RewardPointsToUse.Should().Be(1945);
        model.RewardPointsBalance.Should().Be(10000);
        model.RewardPointsEnoughToPayForOrder.Should().BeTrue();
        model.UseRewardPoints.Should().BeFalse();
    }

    [Test]
    public async Task PreparePaymentMethodModelShouldDependOnSettings()
    {
        var model = await _checkoutModelFactory.PreparePaymentMethodModelAsync(_cart, 0);
        model.DisplayRewardPoints.Should().BeTrue();
        model.RewardPointsToUse.Should().Be(1945);
        model.RewardPointsBalance.Should().Be(10000);

        _rewardPointsSettings.Enabled = false;
        await _settingService.SaveSettingAsync(_rewardPointsSettings);

        model = await GetService().PreparePaymentMethodModelAsync(_cart, 0);

        _rewardPointsSettings.Enabled = true;
        await _settingService.SaveSettingAsync(_rewardPointsSettings);

        model.DisplayRewardPoints.Should().BeFalse();
        model.RewardPointsBalance.Should().Be(0);
    }

    [Test]
    public async Task CanPreparePaymentInfoModel()
    {
        var model = await _checkoutModelFactory.PreparePaymentInfoModelAsync(_paymentMethod);

        model.PaymentViewComponent.Should().Be(_paymentMethod.GetPublicViewComponent());
        model.DisplayOrderTotals.Should().Be(_orderSettings.OnePageCheckoutDisplayOrderTotalsOnPaymentInfoTab);
    }

    [Test]
    public async Task CanPrepareConfirmOrderModel()
    {
        var model = await _checkoutModelFactory.PrepareConfirmOrderModelAsync(_cart);

        model.TermsOfServiceOnOrderConfirmPage.Should().Be(_orderSettings.TermsOfServiceOnOrderConfirmPage);
        model.TermsOfServicePopup.Should().Be(_commonSettings.PopupForTermsOfServiceLinks);
        model.MinOrderTotalWarning.Should().BeNullOrEmpty();
        model.Warnings.Any().Should().BeFalse();
    }

    [Test]
    public async Task CanPrepareCheckoutCompletedModel()
    {
        var order = await _orderService.GetOrderByIdAsync(1);
        var model = await _checkoutModelFactory.PrepareCheckoutCompletedModelAsync(order);

        model.OrderId.Should().Be(order.Id);
        model.OnePageCheckoutEnabled.Should().Be(_orderSettings.OnePageCheckoutEnabled);
        model.CustomOrderNumber.Should().Be(order.CustomOrderNumber);
    }

    [Test]
    public void PrepareCheckoutCompletedModelShouldRaiseExceptionIfOrderIsNull()
    {
        Assert.Throws(() =>
            _checkoutModelFactory.PrepareCheckoutCompletedModelAsync(null).Wait());
    }

    [Test]
    public async Task CanPrepareCheckoutProgressModel()
    {
        foreach (var step in Enum.GetValues(typeof(CheckoutProgressStep)).Cast())
        {
            var model = await _checkoutModelFactory.PrepareCheckoutProgressModelAsync(step);
            model.CheckoutProgressStep.Should().Be(step);
        }
    }

    [Test]
    public async Task CanPrepareOnePageCheckoutModel()
    {
        var model = await _checkoutModelFactory.PrepareOnePageCheckoutModelAsync(_cart);

        model.ShippingRequired.Should().Be(await _shoppingCartService.ShoppingCartRequiresShippingAsync(_cart));
        model.DisableBillingAddressCheckoutStep.Should().Be(_orderSettings.DisableBillingAddressCheckoutStep);
        model.BillingAddress.Should().NotBeNull();
    }

    [Test]
    public void PrepareOnePageCheckoutModelShouldRaiseExceptionIfCartIsNull()
    {
        Assert.Throws(() =>
            _checkoutModelFactory.PrepareOnePageCheckoutModelAsync(null).Wait());
    }

}