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#1093: Unit test for stock update
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‎test/SimplCommerce.Module.Inventory.Tests/SimplCommerce.Module.Inventory.Tests.csproj‎

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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
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<PackageReference Include="MockQueryable.Moq" Version="7.0.1" />
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<PackageReference Include="Moq" Version="4.20.69" />
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<PackageReference Include="System.Linq.Async" Version="6.0.1" />
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<PackageReference Include="xunit" Version="2.5.3" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
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<PrivateAssets>all</PrivateAssets>

‎test/SimplCommerce.Module.Inventory.Tests/StockServiceTests.cs‎

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//using System.Collections.Generic;
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//using System.Diagnostics;
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//using System.Linq;
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//using System.Threading.Tasks;
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//using Moq;
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//using SimplCommerce.Infrastructure.Data;
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//using SimplCommerce.Module.Catalog.Models;
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//using SimplCommerce.Module.Inventory.Models;
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//using SimplCommerce.Module.Inventory.Services;
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//using Xunit;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading;
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using System.Threading.Tasks;
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using MediatR;
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using Microsoft.AspNetCore.Components.Forms;
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using Microsoft.EntityFrameworkCore;
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using MockQueryable.Moq;
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using Moq;
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using SimplCommerce.Infrastructure.Data;
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using SimplCommerce.Module.Catalog.Models;
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using SimplCommerce.Module.Inventory.Event;
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using SimplCommerce.Module.Inventory.Models;
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using SimplCommerce.Module.Inventory.Services;
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using Xunit;
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//namespace SimplCommerce.Module.Inventory.Tests
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//{
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// public class StockServiceTests
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// {
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// private Mock<IRepository<Stock>> _stockRepoMock;
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// private Mock<IRepository<Product>> _productRepoMock;
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// private readonly Mock<IRepository<StockHistory>> _stockHistoryRepoMock;
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// private readonly Warehouse _testWarehouse = new Warehouse(100) {VendorId = 123};
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namespace SimplCommerce.Module.Inventory.Tests
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{
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public class StockServiceTests
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{
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private Mock<IRepository<Stock>> _stockRepoMock;
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private Mock<IRepository<Product>> _productRepoMock;
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private Mock<IMediator> _mediatorMock;
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private readonly Mock<IRepository<StockHistory>> _stockHistoryRepoMock;
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private readonly Warehouse _testWarehouse = new Warehouse(100) {VendorId = 123};
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// public StockServiceTests()
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// {
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// _stockHistoryRepoMock = new Mock<IRepository<StockHistory>>();
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// }
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public StockServiceTests()
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{
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_stockHistoryRepoMock = new Mock<IRepository<StockHistory>>();
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_mediatorMock = new Mock<IMediator>();
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}
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// [Theory]
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// [InlineData(100, 50)]
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// [InlineData(1000, 560)]
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// [InlineData(13, 5)]
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// [InlineData(143, 0)]
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// public async Task AddAllProductsTest(int productsCount, int stocksCount)
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// {
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// InitializeMocks(productsCount, stocksCount);
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// var service = new StockService(_stockRepoMock.Object, _productRepoMock.Object,
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// _stockHistoryRepoMock.Object);
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// await service.AddAllProduct(_testWarehouse);
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/* [Theory]
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[InlineData(100, 50)]
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[InlineData(1000, 560)]
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[InlineData(13, 5)]
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[InlineData(143, 0)]
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public async Task AddAllProductsTest(int productsCount, int stocksCount)
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{
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InitializeMocks(productsCount, stocksCount);
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var service = new StockService(_stockRepoMock.Object, _productRepoMock.Object,
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_stockHistoryRepoMock.Object, _mediatorMock.Object);
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await service.AddAllProduct(_testWarehouse);
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// _stockRepoMock.Verify(m =>
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// m.AddRange(It.Is<IEnumerable<Stock>>(arg => arg.Count() == productsCount - stocksCount)));
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// }
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_stockRepoMock.Verify(m =>
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m.AddRange(It.Is<IEnumerable<Stock>>(arg => arg.Count() == productsCount - stocksCount)));
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}*/
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// private void InitializeMocks(int productsCount, int stocksCount)
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// {
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// _stockRepoMock = new Mock<IRepository<Stock>>();
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// var stocks = new Stock[stocksCount];
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// for (int i = 1; i <= stocks.Length; i++)
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// {
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// stocks[i - 1] = new Stock
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// { ProductId = i, Quantity = 5, WarehouseId = _testWarehouse.Id };
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// }
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private void InitializeMocks(int productsCount, int stocksCount)
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{
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_stockRepoMock = new Mock<IRepository<Stock>>();
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var stocks = new Stock[stocksCount];
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for (int i = 1; i <= stocks.Length; i++)
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{
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stocks[i - 1] = new Stock
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{ ProductId = i, Quantity = 5, WarehouseId = _testWarehouse.Id };
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}
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// _stockRepoMock.Setup(x => x.Query()).Returns(() => new TestAsyncEnumerable<Stock>(stocks.AsQueryable()));
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// _stockRepoMock.Setup(x => x.AddRange(It.IsAny<IEnumerable<Stock>>()));
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// _productRepoMock = new Mock<IRepository<Product>>();
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// var products = new Product[productsCount];
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var stocksMock = stocks.BuildMock();
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_stockRepoMock.Setup(x => x.Query()).Returns(stocksMock);
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_stockRepoMock.Setup(x => x.AddRange(It.IsAny<IEnumerable<Stock>>()));
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// for (int i = 1; i <= products.Length; i++)
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// {
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// products[i - 1] = new Product { HasOptions = false, VendorId = _testWarehouse.VendorId };
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// typeof(Product).GetProperty("Id").SetValue(products[i - 1], i);
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// }
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_productRepoMock = new Mock<IRepository<Product>>();
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var products = new Product[productsCount];
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for (int i = 1; i <= products.Length; i++)
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{
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products[i - 1] = new Product { HasOptions = false, VendorId = _testWarehouse.VendorId };
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typeof(Product).GetProperty("Id").SetValue(products[i - 1], i);
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}
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// _productRepoMock.Setup(x => x.Query()).Returns(new TestAsyncEnumerable<Product>(products.AsQueryable()));
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// }
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// }
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//}
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var productsMock = products.BuildMock();
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_productRepoMock.Setup(x => x.Query()).Returns(productsMock);
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_mediatorMock
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.Setup(m => m.Send(It.IsAny<ProductBackInStock>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(Task.CompletedTask);
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}
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[Theory]
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[InlineData(1, 1, -5)]
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[InlineData(1, 1, -10)]
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[InlineData(1, 1, 7)]
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[InlineData(1, 1, 0)]
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[InlineData(1, 1, -2)]
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public async Task UpdateStockTest(int productsCount, int stocksCount, int adjustedQuantity)
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{
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InitializeMocks(productsCount, stocksCount);
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var service = new StockService(_stockRepoMock.Object, _productRepoMock.Object,
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_stockHistoryRepoMock.Object, _mediatorMock.Object);
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var product = _productRepoMock.Object.Query().FirstOrDefault();
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var stock = _stockRepoMock.Object
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.Query()
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.FirstOrDefault(o => o.ProductId == product.Id && o.WarehouseId == _testWarehouse.Id);
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var prevStockQuantity = stock.Quantity;
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var request = new StockUpdateRequest
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{
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AdjustedQuantity = adjustedQuantity,
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ProductId = product.Id,
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WarehouseId = _testWarehouse.Id,
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};
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await service.UpdateStock(request);
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var newStockQuantity = stock.Quantity;
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Assert.Equal(Math.Max(0, prevStockQuantity + adjustedQuantity), newStockQuantity);
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}
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}
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}

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