Merge branch 'main' into dependabot/nuget/Microsoft.Extensions.Identity.Core-7.0.11

Directory.Packages.props

@@ -23,7 +23,7 @@
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Authentication" Version="7.0.10" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="7.0.5" PrivateAssets="all" />
     <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="7.0.5" />
-    <PackageVersion Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="7.0.5" />
+    <PackageVersion Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="7.0.11" />
     <PackageVersion Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.8" />
     <PackageVersion Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="7.0.8" />
     <PackageVersion Include="Microsoft.AspNetCore.Identity.UI" Version="7.0.5" />
@@ -40,6 +40,8 @@
     </PackageVersion>
     <PackageVersion Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.18.1" />
     <PackageVersion Include="MinimalApi.Endpoint" Version="1.3.0" />
+    <PackageVersion Include="NSubstitute" Version="5.1.0" />
+    <PackageVersion Include="NSubstitute.Analyzers.CSharp" Version="1.0.16" />
     <PackageVersion Include="System.Net.Http.Json" Version="7.0.1" />
     <PackageVersion Include="System.Security.Claims" Version="4.3.0" />
     <PackageVersion Include="System.Text.Json" Version="7.0.2" />
@@ -59,7 +61,6 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageVersion>
-    <PackageVersion Include="Moq" Version="4.18.4" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.0.2" />
     <PackageVersion Include="MSTest.TestFramework" Version="3.0.2" />
     <PackageVersion Include="coverlet.collector" Version="6.0.0" />

tests/IntegrationTests/IntegrationTests.csproj

@@ -8,9 +8,13 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
-    <PackageReference Include="Moq" />
+    <PackageReference Include="NSubstitute" />
+    <PackageReference Include="NSubstitute.Analyzers.CSharp">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="xunit" />
-    <PackageReference Include="xunit.runner.visualstudio" >
+    <PackageReference Include="xunit.runner.visualstudio">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>

tests/UnitTests/ApplicationCore/Services/BasketServiceTests/AddItemToBasket.cs

@@ -1,9 +1,10 @@
 using System.Threading.Tasks;
 using Microsoft.eShopWeb.ApplicationCore.Entities.BasketAggregate;
+using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Microsoft.eShopWeb.ApplicationCore.Services;
 using Microsoft.eShopWeb.ApplicationCore.Specifications;
-using Moq;
+using NSubstitute;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Services.BasketServiceTests;
@@ -11,34 +12,35 @@ namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Services.BasketServiceTes
 public class AddItemToBasket
 {
     private readonly string _buyerId = "Test buyerId";
-    private readonly Mock<IRepository<Basket>> _mockBasketRepo = new();
+    private readonly IRepository<Basket> _mockBasketRepo = Substitute.For<IRepository<Basket>>();
-    private readonly Mock<IAppLogger<BasketService>> _mockLogger = new();
+    private readonly IAppLogger<BasketService> _mockLogger = Substitute.For<IAppLogger<BasketService>>();
 
     [Fact]
     public async Task InvokesBasketRepositoryGetBySpecAsyncOnce()
     {
         var basket = new Basket(_buyerId);
-        basket.AddItem(1, It.IsAny<decimal>(), It.IsAny<int>());
+        basket.AddItem(1, 1.5m);
-        _mockBasketRepo.Setup(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default)).ReturnsAsync(basket);
 
-        var basketService = new BasketService(_mockBasketRepo.Object, _mockLogger.Object);
+        _mockBasketRepo.FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default).Returns(basket);
+
+        var basketService = new BasketService(_mockBasketRepo, _mockLogger);
 
         await basketService.AddItemToBasket(basket.BuyerId, 1, 1.50m);
 
-        _mockBasketRepo.Verify(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default), Times.Once);
+        await _mockBasketRepo.Received().FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default);
     }
 
     [Fact]
     public async Task InvokesBasketRepositoryUpdateAsyncOnce()
     {
         var basket = new Basket(_buyerId);
-        basket.AddItem(1, It.IsAny<decimal>(), It.IsAny<int>());
+        basket.AddItem(1, 1.1m, 1);
-        _mockBasketRepo.Setup(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default)).ReturnsAsync(basket);
+        _mockBasketRepo.FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default).Returns(basket);
 
-        var basketService = new BasketService(_mockBasketRepo.Object, _mockLogger.Object);
+        var basketService = new BasketService(_mockBasketRepo, _mockLogger);
 
         await basketService.AddItemToBasket(basket.BuyerId, 1, 1.50m);
 
-        _mockBasketRepo.Verify(x => x.UpdateAsync(basket, default), Times.Once);
+        await _mockBasketRepo.Received().UpdateAsync(basket, default);
     }
 }

tests/UnitTests/ApplicationCore/Services/BasketServiceTests/DeleteBasket.cs

@@ -2,7 +2,8 @@
 using Microsoft.eShopWeb.ApplicationCore.Entities.BasketAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Microsoft.eShopWeb.ApplicationCore.Services;
-using Moq;
+//using Moq;
+using NSubstitute;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Services.BasketServiceTests;
@@ -10,21 +11,21 @@ namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Services.BasketServiceTes
 public class DeleteBasket
 {
     private readonly string _buyerId = "Test buyerId";
-    private readonly Mock<IRepository<Basket>> _mockBasketRepo = new();
+    private readonly IRepository<Basket> _mockBasketRepo = Substitute.For<IRepository<Basket>>();
-    private readonly Mock<IAppLogger<BasketService>> _mockLogger = new();
+    private readonly IAppLogger<BasketService> _mockLogger = Substitute.For<IAppLogger<BasketService>>();
 
     [Fact]
     public async Task ShouldInvokeBasketRepositoryDeleteAsyncOnce()
     {
         var basket = new Basket(_buyerId);
-        basket.AddItem(1, It.IsAny<decimal>(), It.IsAny<int>());
+        basket.AddItem(1, 1.1m, 1);
-        basket.AddItem(2, It.IsAny<decimal>(), It.IsAny<int>());
+        basket.AddItem(2, 1.1m, 1);
-        _mockBasketRepo.Setup(x => x.GetByIdAsync(It.IsAny<int>(), default))
+        _mockBasketRepo.GetByIdAsync(Arg.Any<int>(), default)
-            .ReturnsAsync(basket);
+            .Returns(basket);
-        var basketService = new BasketService(_mockBasketRepo.Object, _mockLogger.Object);
+        var basketService = new BasketService(_mockBasketRepo, _mockLogger);
 
-        await basketService.DeleteBasketAsync(It.IsAny<int>());
+        await basketService.DeleteBasketAsync(1);
 
-        _mockBasketRepo.Verify(x => x.DeleteAsync(It.IsAny<Basket>(), default), Times.Once);
+        await _mockBasketRepo.Received().DeleteAsync(Arg.Any<Basket>(), default);
     }
 }

tests/UnitTests/ApplicationCore/Services/BasketServiceTests/TransferBasket.cs

@@ -4,7 +4,7 @@ using Microsoft.eShopWeb.ApplicationCore.Entities.BasketAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Microsoft.eShopWeb.ApplicationCore.Services;
 using Microsoft.eShopWeb.ApplicationCore.Specifications;
-using Moq;
+using NSubstitute;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Services.BasketServiceTests;
@@ -15,20 +15,36 @@ public class TransferBasket
     private readonly string _existentAnonymousBasketBuyerId = "existent-anonymous-basket-buyer-id";
     private readonly string _nonexistentUserBasketBuyerId = "newuser@microsoft.com";
     private readonly string _existentUserBasketBuyerId = "testuser@microsoft.com";
-    private readonly Mock<IRepository<Basket>> _mockBasketRepo = new();
+    private readonly IRepository<Basket> _mockBasketRepo = Substitute.For<IRepository<Basket>>();
-    private readonly Mock<IAppLogger<BasketService>> _mockLogger = new();
+    private readonly IAppLogger<BasketService> _mockLogger = Substitute.For<IAppLogger<BasketService>>();
 
-    [Fact]
+    public class Results<T>
+    {
+        private readonly Queue<Func<T>> values = new Queue<Func<T>>();
+        public Results(T result) { values.Enqueue(() => result); }
+        public Results<T> Then(T value) { return Then(() => value); }
+        public Results<T> Then(Func<T> value)
+        {
+            values.Enqueue(value);
+            return this;
+        }
+        public T Next() { return values.Dequeue()(); }
+    }
+
+        [Fact]
     public async Task InvokesBasketRepositoryFirstOrDefaultAsyncOnceIfAnonymousBasketNotExists()
     {
-        var anonymousBasket = null as Basket;
+            var anonymousBasket = null as Basket;
-        var userBasket = new Basket(_existentUserBasketBuyerId);
+            var userBasket = new Basket(_existentUserBasketBuyerId);
-        _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default))
+            
-            .ReturnsAsync(anonymousBasket)
+        var results = new Results<Basket?>(anonymousBasket)
-            .ReturnsAsync(userBasket);
+                        .Then(userBasket);
-        var basketService = new BasketService(_mockBasketRepo.Object, _mockLogger.Object);
+
+
+        _mockBasketRepo.FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default).Returns(x => results.Next());          
+        var basketService = new BasketService(_mockBasketRepo, _mockLogger);
         await basketService.TransferBasketAsync(_nonexistentAnonymousBasketBuyerId, _existentUserBasketBuyerId);
-        _mockBasketRepo.Verify(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default), Times.Once);
+        await _mockBasketRepo.Received().FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default);
     }
 
     [Fact]
@@ -40,12 +56,15 @@ public class TransferBasket
         var userBasket = new Basket(_existentUserBasketBuyerId);
         userBasket.AddItem(1, 10, 4);
         userBasket.AddItem(2, 99, 3);
-        _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default))
+
-            .ReturnsAsync(anonymousBasket)
+        var results = new Results<Basket>(anonymousBasket)
-            .ReturnsAsync(userBasket);
+                        .Then(userBasket);
-        var basketService = new BasketService(_mockBasketRepo.Object, _mockLogger.Object);
+
+        _mockBasketRepo.FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default).Returns(x => results.Next());
+        var basketService = new BasketService(_mockBasketRepo, _mockLogger);
         await basketService.TransferBasketAsync(_nonexistentAnonymousBasketBuyerId, _existentUserBasketBuyerId);
-        _mockBasketRepo.Verify(x => x.UpdateAsync(userBasket, default), Times.Once);
+        await _mockBasketRepo.Received().UpdateAsync(userBasket, default);
+
         Assert.Equal(3, userBasket.Items.Count);
         Assert.Contains(userBasket.Items, x => x.CatalogItemId == 1 && x.UnitPrice == 10 && x.Quantity == 5);
         Assert.Contains(userBasket.Items, x => x.CatalogItemId == 2 && x.UnitPrice == 99 && x.Quantity == 3);
@@ -57,13 +76,15 @@ public class TransferBasket
     {
         var anonymousBasket = new Basket(_existentAnonymousBasketBuyerId);
         var userBasket = new Basket(_existentUserBasketBuyerId);
-        _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default))
+
-            .ReturnsAsync(anonymousBasket)
+        var results = new Results<Basket>(anonymousBasket)
-            .ReturnsAsync(userBasket);
+                        .Then(userBasket);
-        var basketService = new BasketService(_mockBasketRepo.Object, _mockLogger.Object);
+
+        _mockBasketRepo.FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default).Returns(x => results.Next());
+        var basketService = new BasketService(_mockBasketRepo, _mockLogger);
         await basketService.TransferBasketAsync(_nonexistentAnonymousBasketBuyerId, _existentUserBasketBuyerId);
-        _mockBasketRepo.Verify(x => x.UpdateAsync(userBasket, default), Times.Once);
+        await _mockBasketRepo.Received().UpdateAsync(userBasket, default);
-        _mockBasketRepo.Verify(x => x.DeleteAsync(anonymousBasket, default), Times.Once);
+        await _mockBasketRepo.Received().DeleteAsync(anonymousBasket, default);
     }
 
     [Fact]
@@ -71,11 +92,13 @@ public class TransferBasket
     {
         var anonymousBasket = new Basket(_existentAnonymousBasketBuyerId);
         var userBasket = null as Basket;
-        _mockBasketRepo.SetupSequence(x => x.FirstOrDefaultAsync(It.IsAny<BasketWithItemsSpecification>(), default))
+
-            .ReturnsAsync(anonymousBasket)
+        var results = new Results<Basket?>(anonymousBasket)
-            .ReturnsAsync(userBasket);
+                       .Then(userBasket);
-        var basketService = new BasketService(_mockBasketRepo.Object, _mockLogger.Object);
+
+        _mockBasketRepo.FirstOrDefaultAsync(Arg.Any<BasketWithItemsSpecification>(), default).Returns(x => results.Next());
+        var basketService = new BasketService(_mockBasketRepo, _mockLogger);
         await basketService.TransferBasketAsync(_existentAnonymousBasketBuyerId, _nonexistentUserBasketBuyerId);
-        _mockBasketRepo.Verify(x => x.AddAsync(It.Is<Basket>(x => x.BuyerId == _nonexistentUserBasketBuyerId), default), Times.Once);
+        await _mockBasketRepo.Received().AddAsync(Arg.Is<Basket>(x => x.BuyerId == _nonexistentUserBasketBuyerId), default);
     }
 }

tests/UnitTests/ApplicationCore/Specifications/BasketWithItemsSpecification.cs

@@ -2,7 +2,7 @@
 using System.Linq;
 using Microsoft.eShopWeb.ApplicationCore.Entities.BasketAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Specifications;
-using Moq;
+using NSubstitute;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Specifications;
@@ -58,18 +58,18 @@ public class BasketWithItems
 
     public List<Basket> GetTestBasketCollection()
     {
-        var basket1Mock = new Mock<Basket>(_buyerId);
+        var basket1Mock = Substitute.For<Basket>(_buyerId);
-        basket1Mock.SetupGet(s => s.Id).Returns(1);
+        basket1Mock.Id.Returns(1);
-        var basket2Mock = new Mock<Basket>(_buyerId);
+        var basket2Mock = Substitute.For<Basket>(_buyerId);
-        basket2Mock.SetupGet(s => s.Id).Returns(2);
+        basket2Mock.Id.Returns(2);
-        var basket3Mock = new Mock<Basket>(_buyerId);
+        var basket3Mock = Substitute.For<Basket>(_buyerId);
-        basket3Mock.SetupGet(s => s.Id).Returns(_testBasketId);
+        basket3Mock.Id.Returns(_testBasketId);
 
         return new List<Basket>()
             {
-                basket1Mock.Object,
+                basket1Mock,
-                basket2Mock.Object,
+                basket2Mock,
-                basket3Mock.Object
+                basket3Mock
             };
     }
 }

tests/UnitTests/ApplicationCore/Specifications/CatalogItemsSpecification.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using Microsoft.eShopWeb.ApplicationCore.Entities;
-using Moq;
+using NSubstitute;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Specifications;
@@ -36,14 +36,14 @@ public class CatalogItemsSpecification
     {
         var catalogItems = new List<CatalogItem>();
 
-        var mockCatalogItem1 = new Mock<CatalogItem>(1, 1, "Item 1 description", "Item 1", 1.5m, "Item1Uri");
+        var mockCatalogItem1 = Substitute.For<CatalogItem>(1, 1, "Item 1 description", "Item 1", 1.5m, "Item1Uri");
-        mockCatalogItem1.SetupGet(x => x.Id).Returns(1);
+        mockCatalogItem1.Id.Returns(1);
 
-        var mockCatalogItem3 = new Mock<CatalogItem>(3, 3, "Item 3 description", "Item 3", 3.5m, "Item3Uri");
+        var mockCatalogItem3 = Substitute.For<CatalogItem>(3, 3, "Item 3 description", "Item 3", 3.5m, "Item3Uri");
-        mockCatalogItem3.SetupGet(x => x.Id).Returns(3);
+        mockCatalogItem3.Id.Returns(3);
 
-        catalogItems.Add(mockCatalogItem1.Object);
+        catalogItems.Add(mockCatalogItem1);
-        catalogItems.Add(mockCatalogItem3.Object);
+        catalogItems.Add(mockCatalogItem3);
 
         return catalogItems;
     }

tests/UnitTests/Builders/BasketBuilder.cs

@@ -1,5 +1,5 @@
 using Microsoft.eShopWeb.ApplicationCore.Entities.BasketAggregate;
-using Moq;
+using NSubstitute;
 
 namespace Microsoft.eShopWeb.UnitTests.Builders;
 
@@ -22,17 +22,17 @@ public class BasketBuilder
 
     public Basket WithNoItems()
     {
-        var basketMock = new Mock<Basket>(BasketBuyerId);
+        var basketMock = Substitute.For<Basket>(BasketBuyerId);
-        basketMock.SetupGet(s => s.Id).Returns(BasketId);
+        basketMock.Id.Returns(BasketId);
 
-        _basket = basketMock.Object;
+        _basket = basketMock;
         return _basket;
     }
 
     public Basket WithOneBasketItem()
     {
-        var basketMock = new Mock<Basket>(BasketBuyerId);
+        var basketMock = Substitute.For<Basket>(BasketBuyerId);
-        _basket = basketMock.Object;
+        _basket = basketMock;
         _basket.AddItem(2, 3.40m, 4);
         return _basket;
     }

tests/UnitTests/MediatorHandlers/OrdersTests/GetMyOrders.cs

@@ -5,23 +5,22 @@ using Ardalis.Specification;
 using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Microsoft.eShopWeb.Web.Features.MyOrders;
-using Moq;
+using NSubstitute;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.MediatorHandlers.OrdersTests;
 
 public class GetMyOrders
 {
-    private readonly Mock<IReadRepository<Order>> _mockOrderRepository;
+    private readonly IReadRepository<Order> _mockOrderRepository = Substitute.For<IReadRepository<Order>>();
 
     public GetMyOrders()
     {
         var item = new OrderItem(new CatalogItemOrdered(1, "ProductName", "URI"), 10.00m, 10);
-        var address = new Address(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>());
+        var address = new Address("", "", "", "", "");
         Order order = new Order("buyerId", address, new List<OrderItem> { item });
-
+              
-        _mockOrderRepository = new Mock<IReadRepository<Order>>();
+        _mockOrderRepository.ListAsync(Arg.Any<ISpecification<Order>>(), default).Returns(new List<Order> { order });
-        _mockOrderRepository.Setup(x => x.ListAsync(It.IsAny<ISpecification<Order>>(), default)).ReturnsAsync(new List<Order> { order });
     }
 
     [Fact]
@@ -29,7 +28,7 @@ public class GetMyOrders
     {
         var request = new eShopWeb.Web.Features.MyOrders.GetMyOrders("SomeUserName");
 
-        var handler = new GetMyOrdersHandler(_mockOrderRepository.Object);
+        var handler = new GetMyOrdersHandler(_mockOrderRepository);
 
         var result = await handler.Handle(request, CancellationToken.None);
 

tests/UnitTests/MediatorHandlers/OrdersTests/GetOrderDetails.cs

@@ -6,24 +6,23 @@ using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Microsoft.eShopWeb.ApplicationCore.Specifications;
 using Microsoft.eShopWeb.Web.Features.OrderDetails;
-using Moq;
+using NSubstitute;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.MediatorHandlers.OrdersTests;
 
 public class GetOrderDetails
 {
-    private readonly Mock<IReadRepository<Order>> _mockOrderRepository;
+    private readonly IReadRepository<Order> _mockOrderRepository =  Substitute.For<IReadRepository<Order>>();
-
+    
     public GetOrderDetails()
     {
         var item = new OrderItem(new CatalogItemOrdered(1, "ProductName", "URI"), 10.00m, 10);
-        var address = new Address(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>());
+        var address = new Address("", "", "", "", "");
         Order order = new Order("buyerId", address, new List<OrderItem> { item });
-
+                
-        _mockOrderRepository = new Mock<IReadRepository<Order>>();
+        _mockOrderRepository.FirstOrDefaultAsync(Arg.Any<OrderWithItemsByIdSpec>(), default)
-        _mockOrderRepository.Setup(x => x.FirstOrDefaultAsync(It.IsAny<OrderWithItemsByIdSpec>(), default))
+            .Returns(order);
-            .ReturnsAsync(order);
     }
 
     [Fact]
@@ -31,7 +30,7 @@ public class GetOrderDetails
     {
         var request = new eShopWeb.Web.Features.OrderDetails.GetOrderDetails("SomeUserName", 0);
 
-        var handler = new GetOrderDetailsHandler(_mockOrderRepository.Object);
+        var handler = new GetOrderDetailsHandler(_mockOrderRepository);
 
         var result = await handler.Handle(request, CancellationToken.None);
 

tests/UnitTests/UnitTests.csproj

@@ -10,7 +10,11 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
-    <PackageReference Include="Moq" />
+    <PackageReference Include="NSubstitute" />
+    <PackageReference Include="NSubstitute.Analyzers.CSharp">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="xunit" />
     <PackageReference Include="xunit.runner.visualstudio" />      
     <PackageReference Include="xunit.runner.console" />