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ChrisHowdChrisHowd
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Ex10 - moved unt testing to separate project in ContosoOnlineStore app.
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‎DownloadableCodeProjects/standalone-lab-projects/implement-performance-profiling/ContosoOnlineStore.Tests/ContosoOnlineStore.Tests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net9.0</TargetFramework>
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<IsPackable>false</IsPackable>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="xunit" Version="2.4.2" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
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<PackageReference Include="Moq" Version="4.20.69" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
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<PackageReference Include="coverlet.collector" Version="6.0.0" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ContosoOnlineStore\ContosoOnlineStore.csproj" />
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</ItemGroup>
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</Project>

‎DownloadableCodeProjects/standalone-lab-projects/implement-performance-profiling/ContosoOnlineStore.Tests/ContosoOnlineStoreTests.cs

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using ContosoOnlineStore;
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using ContosoOnlineStore.Configuration;
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using ContosoOnlineStore.Services;
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using ContosoOnlineStore.Exceptions;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using Moq;
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namespace ContosoOnlineStore.Tests;
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public class ProductCatalogTests
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{
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private readonly IProductCatalog _catalog;
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private readonly Mock<ISecurityValidationService> _mockSecurity;
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private readonly Mock<ILogger<ProductCatalog>> _mockLogger;
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public ProductCatalogTests()
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{
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_mockSecurity = new Mock<ISecurityValidationService>();
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_mockLogger = new Mock<ILogger<ProductCatalog>>();
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var appSettings = Options.Create(new AppSettings());
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_catalog = new ProductCatalog(_mockSecurity.Object, _mockLogger.Object, appSettings);
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}
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[Fact]
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public void GetProductById_ValidId_ReturnsProduct()
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{
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var productId = 1;
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var product = _catalog.GetProductById(productId);
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Assert.NotNull(product);
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Assert.Equal(productId, product.Id);
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}
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[Fact]
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public void GetProductById_InvalidId_ReturnsNull()
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{
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var invalidId = 999;
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var product = _catalog.GetProductById(invalidId);
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Assert.Null(product);
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}
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[Fact]
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public void GetAllProducts_ReturnsAllProducts()
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{
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var products = _catalog.GetAllProducts();
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Assert.NotEmpty(products);
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Assert.True(products.Count >= 20);
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}
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[Fact]
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public void SearchProducts_ValidTerm_ReturnsMatchingProducts()
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{
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_mockSecurity.Setup(s => s.SanitizeInput(It.IsAny<string>())).Returns("phone");
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var results = _catalog.SearchProducts("phone");
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Assert.NotEmpty(results);
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Assert.All(results, p =>
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Assert.True(p.Name.ToLower().Contains("phone") ||
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p.Category.ToLower().Contains("phone") ||
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p.Description.ToLower().Contains("phone")));
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}
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}
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public class OrderTests
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{
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[Fact]
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public void Constructor_ValidParameters_CreatesOrder()
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{
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var email = "[email protected]";
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var address = "123 Test St";
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var order = new Order(email, address);
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Assert.Equal(email, order.CustomerEmail);
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Assert.Equal(address, order.ShippingAddress);
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Assert.Equal(OrderStatus.Pending, order.Status);
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Assert.True(order.OrderId > 0);
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}
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[Fact]
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public void AddItem_ValidItem_AddsToOrder()
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{
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var order = new Order();
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var item = new OrderItem(1, 2);
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order.AddItem(item);
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Assert.Contains(item, order.Items);
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var single = Assert.Single(order.Items);
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Assert.Equal(item.ProductId, single.ProductId);
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Assert.Equal(item.Quantity, single.Quantity);
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}
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[Fact]
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public void AddItem_SameProduct_CombinesQuantity()
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{
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var order = new Order();
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var item1 = new OrderItem(1, 2);
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var item2 = new OrderItem(1, 3);
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order.AddItem(item1);
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order.AddItem(item2);
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var single = Assert.Single(order.Items);
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Assert.Equal(5, single.Quantity);
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Assert.Equal(1, single.ProductId);
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}
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}
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public class SecurityValidationServiceTests
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{
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private readonly ISecurityValidationService _service;
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private readonly Mock<ILogger<SecurityValidationService>> _mockLogger;
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public SecurityValidationServiceTests()
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{
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_mockLogger = new Mock<ILogger<SecurityValidationService>>();
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var appSettings = Options.Create(new AppSettings());
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_service = new SecurityValidationService(appSettings, _mockLogger.Object);
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}
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[Fact]
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public void ValidateProduct_ValidProduct_DoesNotThrow()
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{
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var product = new Product(1, "Test Product", 10.99m, 100);
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var exception = Record.Exception(() => _service.ValidateProduct(product));
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Assert.Null(exception);
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}
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[Fact]
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public void ValidateProduct_NullProduct_ThrowsArgumentNullException()
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{
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Assert.Throws<ArgumentNullException>(() => _service.ValidateProduct((Product)null!));
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}
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[Theory]
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[InlineData("")]
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[InlineData(" ")]
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[InlineData(null)]
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public void ValidateProduct_InvalidName_ThrowsSecurityValidationException(string invalidName)
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{
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if (string.IsNullOrWhiteSpace(invalidName))
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{
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Assert.Throws<ArgumentException>(() => new Product(1, invalidName, 10.99m, 100));
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}
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}
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[Fact]
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public void SanitizeInput_ValidInput_ReturnsSanitized()
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{
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var input = "Test<script>alert('xss')</script>";
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var result = _service.SanitizeInput(input);
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Assert.DoesNotContain("<", result);
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Assert.DoesNotContain(">", result);
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}
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}
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public class InventoryManagerTests
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{
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private readonly Mock<IProductCatalog> _mockCatalog;
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private readonly Mock<ILogger<InventoryManager>> _mockLogger;
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private readonly IInventoryManager _inventoryManager;
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public InventoryManagerTests()
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{
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_mockCatalog = new Mock<IProductCatalog>();
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_mockLogger = new Mock<ILogger<InventoryManager>>();
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var appSettings = Options.Create(new AppSettings());
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var products = new List<Product>
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{
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new Product(1, "Product 1", 10.0m, 100),
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new Product(2, "Product 2", 20.0m, 50)
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};
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_mockCatalog.Setup(c => c.GetAllProducts()).Returns(products);
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_inventoryManager = new InventoryManager(_mockCatalog.Object, _mockLogger.Object, appSettings);
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}
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[Fact]
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public void GetStockLevel_ValidProductId_ReturnsStock()
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{
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var stock = _inventoryManager.GetStockLevel(1);
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Assert.Equal(100, stock);
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}
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[Fact]
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public void IsInStock_SufficientStock_ReturnsTrue()
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{
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var inStock = _inventoryManager.IsInStock(1, 50);
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Assert.True(inStock);
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}
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[Fact]
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public void IsInStock_InsufficientStock_ReturnsFalse()
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{
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var inStock = _inventoryManager.IsInStock(1, 150);
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Assert.False(inStock);
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}
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}

‎DownloadableCodeProjects/standalone-lab-projects/implement-performance-profiling/ContosoOnlineStore.Tests/Usings.cs

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global using Xunit;

‎DownloadableCodeProjects/standalone-lab-projects/implement-performance-profiling/ContosoOnlineStore/ContosoOnlineStore.csproj

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<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
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<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
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<PackageReference Include="BenchmarkDotNet" Version="0.13.12" />
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<PackageReference Include="xunit" Version="2.4.2" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
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<PackageReference Include="Moq" Version="4.20.69" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
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</ItemGroup>
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<ItemGroup>

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