Microsoft.AspNetCore.TestHost 10.0.1

Prefix Reserved
dotnet add package Microsoft.AspNetCore.TestHost --version 10.0.1
                    
NuGet\Install-Package Microsoft.AspNetCore.TestHost -Version 10.0.1
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Microsoft.AspNetCore.TestHost" Version="10.0.1" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="10.0.1" />
                    
Directory.Packages.props
<PackageReference Include="Microsoft.AspNetCore.TestHost" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Microsoft.AspNetCore.TestHost --version 10.0.1
                    
#r "nuget: Microsoft.AspNetCore.TestHost, 10.0.1"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Microsoft.AspNetCore.TestHost@10.0.1
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Microsoft.AspNetCore.TestHost&version=10.0.1
                    
Install as a Cake Addin
#tool nuget:?package=Microsoft.AspNetCore.TestHost&version=10.0.1
                    
Install as a Cake Tool

About

Microsoft.AspNetCore.TestHost provides an ASP.NET Core web server for testing middleware in isolation.

Key Features

  • Instantiate an app pipeline containing only the components that you need to test
  • Send custom requests to verify middleware behavior

How to Use

To use Microsoft.AspNetCore.TestHost, follow these steps:

Installation

dotnet add package Microsoft.AspNetCore.TestHost

Usage

To set up the TestServer, configure it in your test project. Here's an example:

[Fact]
public async Task MiddlewareTest_ReturnsNotFoundForRequest()
{
    // Build and start a host that uses TestServer
    using var host = await new HostBuilder()
        .ConfigureWebHost(builder =>
        {
            builder.UseTestServer()
                .ConfigureServices(services =>
                {
                    // Add any required services that the middleware uses
                    services.AddMyServices();
                })
                .Configure(app =>
                {
                    // Configure the processing pipeline to use the middleware
                    // for the test
                    app.UseMiddleware<MyMiddleware>();
                });
        })
        .StartAsync();

    var response = await host.GetTestClient().GetAsync("/");

    Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
}

Main Types

The main types provided by this package are:

  • TestServer: An IServer implementation for executing tests
  • TestServerOptions: Provides options for configuring a TestServer

Additional Documentation

For additional documentation and examples, refer to the official documentation for testing middleware in ASP.NET Core.

Feedback & Contributing

Microsoft.AspNetCore.TestHost is released as open-source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.
  • net10.0

    • No dependencies.

NuGet packages (188)

Showing the top 5 NuGet packages that depend on Microsoft.AspNetCore.TestHost:

Package Downloads
Microsoft.AspNetCore.Mvc.Testing

Support for writing functional tests for MVC applications. This package was built from the source code at https://github.com/dotnet/dotnet/tree/fad253f51b461736dfd3cd9c15977bb7493becef

Rystem.Test.XUnit

Rystem is a open-source framework to improve the System namespace in .Net

Reo.Core.IntegrationTesting

Package Description

Acheve.TestHost

Achve.TestHost is a nuget package to improve TestServer experiences. For more information see http://github.com/Xabaril/Acheve.TestHost

MyTested.AspNetCore.Mvc.Abstractions

My Tested ASP.NET Core MVC common abstractions and interfaces.

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Showing the top 20 popular GitHub repositories that depend on Microsoft.AspNetCore.TestHost:

Repository Stars
abpframework/abp
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
dotnet/AspNetCore.Docs
Documentation for ASP.NET Core
aspnetboilerplate/aspnetboilerplate
ASP.NET Boilerplate - Web Application Framework
dotnet/eShop
A reference .NET application implementing an eCommerce site
dotnet/yarp
A toolkit for developing high-performance HTTP reverse proxy applications.
ThreeMammals/Ocelot
.NET API Gateway
RicoSuter/NSwag
The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.
ldqk/Masuit.Tools
全龄段友好的C#万能工具库,码数吐司库,包含一些常用的操作类,大都是静态类,加密解密,反射操作,权重随机筛选算法,分布式短id,表达式树,linq扩展,文件压缩,多线程下载,硬件信息,字符串扩展方法,日期时间扩展操作,中国农历,大文件拷贝,图像裁剪,验证码,断点续传,集合扩展、Excel导出等常用封装。诸多功能集一身,代码量不到2MB!
FastEndpoints/FastEndpoints
A light-weight REST API development framework for ASP.NET 8 and newer.
kurrent-io/KurrentDB
KurrentDB is a database that's engineered for modern software applications and event-driven architectures. Its event-native design simplifies data modeling and preserves data integrity while the integrated streaming engine solves distributed messaging challenges and ensures data consistency.
ChilliCream/graphql-platform
Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Nitro the awesome Monaco based GraphQL IDE.
aspnet/Mvc
[Archived] ASP.NET Core MVC is a model view controller framework for building dynamic web sites with clean separation of concerns, including the merged MVC, Web API, and Web Pages w/ Razor. Project moved to https://github.com/aspnet/AspNetCore
domaindrivendev/Swashbuckle.AspNetCore
Swagger tools for documenting API's built on ASP.NET Core
dotnet/aspire
Aspire is the tool for code-first, extensible, observable dev and deploy.
openiddict/openiddict-core
Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET
dotnetcore/Util
Util是一个.Net平台下的应用框架,旨在提升中小团队的开发能力,由工具类、分层架构基类、Ui组件,配套代码生成模板,权限等组成。
opserver/Opserver
Stack Exchange's Monitoring System
grpc/grpc-dotnet
gRPC for .NET
Xabaril/AspNetCore.Diagnostics.HealthChecks
Enterprise HealthChecks for ASP.NET Core Diagnostics Package
Ombi-app/Ombi
Want a Movie or TV Show on Plex/Emby/Jellyfin? Use Ombi!
Version Downloads Last Updated
10.0.1 614,654 12/9/2025
10.0.0 1,188,424 11/11/2025
10.0.0-rc.2.25502.107 96,765 10/14/2025
10.0.0-rc.1.25451.107 76,242 9/9/2025
10.0.0-preview.7.25380.108 35,147 8/12/2025
10.0.0-preview.6.25358.103 7,135 7/15/2025
10.0.0-preview.5.25277.114 35,711 6/6/2025
10.0.0-preview.4.25258.110 6,721 5/12/2025
10.0.0-preview.3.25172.1 7,262 4/10/2025
10.0.0-preview.2.25164.1 2,838 3/18/2025
10.0.0-preview.1.25120.3 129,503 2/25/2025
9.0.11 875,250 11/11/2025
9.0.10 2,027,441 10/14/2025
9.0.9 2,243,166 9/9/2025
9.0.8 2,069,815 8/5/2025
9.0.7 1,588,780 7/8/2025
9.0.6 1,968,013 6/10/2025
9.0.5 2,661,101 5/13/2025
9.0.4 2,724,233 4/8/2025
9.0.3 2,119,458 3/11/2025
9.0.2 2,279,393 2/11/2025
9.0.1 1,983,271 1/14/2025
9.0.0 4,579,532 11/12/2024
9.0.0-rc.2.24474.3 68,468 10/8/2024
9.0.0-rc.1.24452.1 45,167 9/10/2024
9.0.0-preview.7.24406.2 11,501 8/13/2024
9.0.0-preview.6.24328.4 12,908 7/9/2024
9.0.0-preview.5.24306.11 5,466 6/11/2024
9.0.0-preview.4.24267.6 3,966 5/21/2024
9.0.0-preview.3.24172.13 71,030 4/11/2024
9.0.0-preview.2.24128.4 5,376 3/12/2024
9.0.0-preview.1.24081.5 28,222 2/13/2024
8.0.22 1,157,439 11/11/2025
8.0.21 1,317,749 10/14/2025
8.0.20 1,464,644 9/9/2025
8.0.19 2,225,009 8/4/2025
8.0.18 1,257,252 7/8/2025
8.0.17 1,833,051 6/10/2025
8.0.16 1,743,379 5/13/2025
8.0.15 2,593,199 4/8/2025
8.0.14 2,603,173 3/11/2025
8.0.13 2,983,138 2/11/2025
8.0.12 2,767,743 1/14/2025
8.0.11 7,613,243 11/12/2024
8.0.10 9,782,483 10/8/2024
8.0.8 10,984,945 8/13/2024
8.0.7 7,904,048 7/9/2024
8.0.6 7,197,179 5/28/2024
8.0.5 2,859,100 5/14/2024
8.0.4 7,421,043 4/9/2024
8.0.3 4,752,226 3/12/2024
8.0.2 4,505,180 2/13/2024
8.0.1 5,023,146 1/9/2024
8.0.0 9,179,442 11/14/2023
8.0.0-rc.2.23480.2 66,079 10/10/2023
8.0.0-rc.1.23421.29 73,675 9/12/2023
8.0.0-preview.7.23375.9 13,805 8/8/2023
8.0.0-preview.6.23329.11 44,367 7/11/2023
8.0.0-preview.5.23302.2 13,030 6/13/2023
8.0.0-preview.4.23260.4 267,191 5/16/2023
8.0.0-preview.3.23177.8 3,718 4/11/2023
8.0.0-preview.2.23153.2 1,956 3/14/2023
8.0.0-preview.1.23112.2 41,690 2/21/2023
7.0.20 861,241 5/28/2024
7.0.19 254,976 5/14/2024
7.0.18 387,856 4/9/2024
7.0.17 632,499 3/12/2024
7.0.16 648,725 2/13/2024
7.0.15 843,064 1/9/2024
7.0.14 1,285,601 11/14/2023
7.0.13 2,756,008 10/24/2023
7.0.12 1,268,225 10/10/2023
7.0.11 3,996,467 9/12/2023
7.0.10 2,033,819 8/8/2023
7.0.9 1,572,737 7/11/2023
7.0.8 1,316,032 6/22/2023
7.0.7 751,625 6/13/2023
7.0.5 4,213,838 4/11/2023
7.0.4 2,257,437 3/14/2023
7.0.3 2,032,942 2/14/2023
7.0.2 2,077,448 1/10/2023
7.0.1 1,277,641 12/13/2022
7.0.0 4,172,233 11/7/2022
7.0.0-rc.2.22476.2 73,251 10/11/2022
7.0.0-rc.1.22427.2 24,048 9/14/2022
7.0.0-preview.7.22376.6 11,002 8/9/2022
7.0.0-preview.6.22330.3 4,214 7/12/2022
7.0.0-preview.5.22303.8 9,882 6/14/2022
7.0.0-preview.4.22251.1 2,446 5/10/2022
7.0.0-preview.3.22178.4 1,475 4/13/2022
7.0.0-preview.2.22153.2 1,287 3/14/2022
7.0.0-preview.1.22109.13 5,299 2/17/2022
6.0.36 1,865,035 11/12/2024
6.0.35 475,717 10/8/2024
6.0.33 1,658,122 8/13/2024
6.0.32 575,983 7/9/2024
6.0.31 797,052 5/28/2024
6.0.30 358,454 5/14/2024
6.0.29 1,053,291 4/9/2024
6.0.28 692,311 3/12/2024
6.0.27 1,195,580 2/13/2024
6.0.26 1,374,059 1/9/2024
6.0.25 2,260,769 11/14/2023
6.0.24 1,164,239 10/24/2023
6.0.23 866,326 10/10/2023
6.0.22 1,365,575 9/12/2023
6.0.21 1,997,764 8/8/2023
6.0.20 1,805,954 7/11/2023
6.0.19 1,178,538 6/22/2023
6.0.18 818,355 6/13/2023
6.0.16 3,674,008 4/11/2023
6.0.15 2,299,930 3/14/2023
6.0.14 2,617,280 2/14/2023
6.0.13 3,493,511 1/10/2023
6.0.12 3,147,849 12/13/2022
6.0.11 4,189,478 11/7/2022
6.0.10 5,799,208 10/11/2022
6.0.9 4,506,189 9/13/2022
6.0.8 5,302,186 8/9/2022
6.0.7 4,675,229 7/12/2022
6.0.6 3,601,177 6/14/2022
6.0.5 4,539,199 5/10/2022
6.0.4 4,245,338 4/11/2022
6.0.3 4,965,713 3/8/2022
6.0.2 4,105,038 2/8/2022
6.0.1 6,091,144 12/14/2021
6.0.0 7,380,297 11/8/2021
6.0.0-rc.2.21480.10 210,284 10/12/2021
6.0.0-rc.1.21452.15 177,871 9/14/2021
6.0.0-preview.7.21378.6 9,339 8/10/2021
6.0.0-preview.6.21355.2 5,497 7/14/2021
6.0.0-preview.5.21301.17 3,821 6/15/2021
6.0.0-preview.4.21253.5 6,988 5/24/2021
6.0.0-preview.3.21201.13 5,249 4/8/2021
6.0.0-preview.2.21154.6 1,287 3/11/2021 6.0.0-preview.2.21154.6 is deprecated because it is no longer maintained.
6.0.0-preview.1.21103.6 1,671 2/12/2021 6.0.0-preview.1.21103.6 is deprecated because it is no longer maintained.
5.0.17 1,173,564 5/10/2022 5.0.17 is deprecated because it is no longer maintained.
5.0.16 323,336 4/11/2022 5.0.16 is deprecated because it is no longer maintained.
5.0.15 440,695 3/8/2022 5.0.15 is deprecated because it is no longer maintained.
5.0.14 424,825 2/8/2022 5.0.14 is deprecated because it is no longer maintained.
5.0.13 854,703 12/14/2021 5.0.13 is deprecated because it is no longer maintained.
5.0.12 978,729 11/7/2021 5.0.12 is deprecated because it is no longer maintained.
5.0.11 1,636,249 10/12/2021 5.0.11 is deprecated because it is no longer maintained.
5.0.10 1,660,071 9/14/2021 5.0.10 is deprecated because it is no longer maintained.
5.0.9 1,755,529 8/10/2021 5.0.9 is deprecated because it is no longer maintained.
5.0.8 1,419,488 7/13/2021 5.0.8 is deprecated because it is no longer maintained.
5.0.7 1,857,358 6/8/2021 5.0.7 is deprecated because it is no longer maintained.
5.0.6 1,517,063 5/11/2021 5.0.6 is deprecated because it is no longer maintained.
5.0.5 2,089,821 4/6/2021 5.0.5 is deprecated because it is no longer maintained.
5.0.4 1,263,403 3/9/2021 5.0.4 is deprecated because it is no longer maintained.
5.0.3 1,481,639 2/9/2021 5.0.3 is deprecated because it is no longer maintained.
5.0.2 1,480,362 1/12/2021 5.0.2 is deprecated because it is no longer maintained.
5.0.1 1,073,725 12/8/2020 5.0.1 is deprecated because it is no longer maintained.
5.0.0 2,530,560 11/9/2020 5.0.0 is deprecated because it is no longer maintained.
5.0.0-rc.2.20475.17 18,253 10/13/2020 5.0.0-rc.2.20475.17 is deprecated because it is no longer maintained.
5.0.0-rc.1.20451.17 185,352 9/14/2020 5.0.0-rc.1.20451.17 is deprecated because it is no longer maintained.
5.0.0-preview.8.20414.8 9,662 8/25/2020 5.0.0-preview.8.20414.8 is deprecated because it is no longer maintained.
5.0.0-preview.7.20365.19 4,727 7/21/2020 5.0.0-preview.7.20365.19 is deprecated because it is no longer maintained.
5.0.0-preview.6.20312.15 2,394 6/25/2020 5.0.0-preview.6.20312.15 is deprecated because it is no longer maintained.
5.0.0-preview.5.20279.2 1,224 6/10/2020 5.0.0-preview.5.20279.2 is deprecated because it is no longer maintained.
5.0.0-preview.4.20257.10 1,889 5/18/2020 5.0.0-preview.4.20257.10 is deprecated because it is no longer maintained.
5.0.0-preview.3.20215.14 2,379 4/23/2020 5.0.0-preview.3.20215.14 is deprecated because it is no longer maintained.
5.0.0-preview.2.20167.3 1,172 4/2/2020 5.0.0-preview.2.20167.3 is deprecated because it is no longer maintained.
5.0.0-preview.1.20124.5 1,383 3/16/2020 5.0.0-preview.1.20124.5 is deprecated because it is no longer maintained.
3.1.32 942,059 12/13/2022
3.1.31 324,846 11/8/2022
3.1.30 868,043 10/11/2022
3.1.29 272,797 9/13/2022
3.1.28 324,738 8/9/2022
3.1.27 335,456 7/12/2022
3.1.26 326,009 6/14/2022
3.1.25 391,305 5/10/2022
3.1.24 355,421 4/11/2022
3.1.23 522,580 3/8/2022
3.1.22 1,131,561 12/14/2021
3.1.21 924,096 11/7/2021
3.1.20 837,920 10/11/2021
3.1.19 626,549 9/14/2021
3.1.18 1,218,873 8/10/2021
3.1.17 1,016,873 7/13/2021
3.1.16 927,692 6/8/2021
3.1.15 928,188 5/11/2021
3.1.14 1,937,601 4/6/2021
3.1.13 1,422,859 3/9/2021
3.1.12 1,143,426 2/9/2021
3.1.11 1,355,123 1/12/2021
3.1.10 3,249,183 11/9/2020
3.1.9 3,411,345 10/13/2020
3.1.8 3,434,063 9/8/2020
3.1.7 2,661,679 8/11/2020
3.1.6 2,603,598 7/14/2020
3.1.5 3,951,258 6/9/2020
3.1.4 2,482,427 5/12/2020
3.1.3 4,067,735 3/24/2020
3.1.2 3,069,413 2/18/2020
3.1.1 3,438,131 1/14/2020
3.1.0 3,567,949 12/3/2019
3.1.0-preview3.19555.2 3,723 11/13/2019 3.1.0-preview3.19555.2 is deprecated because it is no longer maintained.
3.1.0-preview2.19528.8 1,374 11/1/2019 3.1.0-preview2.19528.8 is deprecated because it is no longer maintained.
3.1.0-preview1.19508.20 1,992 10/15/2019 3.1.0-preview1.19508.20 is deprecated because it is no longer maintained.
3.0.3 401,728 2/18/2020 3.0.3 is deprecated because it is no longer maintained.
3.0.2 239,994 1/14/2020 3.0.2 is deprecated because it is no longer maintained.
3.0.0 4,586,397 9/23/2019 3.0.0 is deprecated because it is no longer maintained.
3.0.0-rc1.19457.4 16,050 9/16/2019 3.0.0-rc1.19457.4 is deprecated because it is no longer maintained.
3.0.0-preview9.19424.4 9,367 9/4/2019 3.0.0-preview9.19424.4 is deprecated because it is no longer maintained.
3.0.0-preview8.19405.7 38,663 8/13/2019 3.0.0-preview8.19405.7 is deprecated because it is no longer maintained.
3.0.0-preview7.19365.7 14,264 7/23/2019 3.0.0-preview7.19365.7 is deprecated because it is no longer maintained.
3.0.0-preview6.19307.2 7,519 6/12/2019 3.0.0-preview6.19307.2 is deprecated because it is no longer maintained.
3.0.0-preview5-19227-01 11,947 5/6/2019 3.0.0-preview5-19227-01 is deprecated because it is no longer maintained.
3.0.0-preview4-19216-03 2,555 4/18/2019 3.0.0-preview4-19216-03 is deprecated because it is no longer maintained.
3.0.0-preview3-19153-02 2,375 3/6/2019 3.0.0-preview3-19153-02 is deprecated because it is no longer maintained.
3.0.0-preview-19075-0444 7,747 1/29/2019 3.0.0-preview-19075-0444 is deprecated because it is no longer maintained.
3.0.0-preview-18579-0056 4,665 12/3/2018 3.0.0-preview-18579-0056 is deprecated because it is no longer maintained.
2.3.9 92 1/7/2026
2.3.8 94 1/7/2026
2.3.0 238,375 1/14/2025
2.2.0 13,302,026 12/3/2018 2.2.0 is deprecated because it is no longer maintained.
2.2.0-preview3-35497 24,002 10/17/2018 2.2.0-preview3-35497 is deprecated because it is no longer maintained.
2.2.0-preview2-35157 13,660 9/12/2018 2.2.0-preview2-35157 is deprecated because it is no longer maintained.
2.2.0-preview1-35029 14,256 8/22/2018 2.2.0-preview1-35029 is deprecated because it is no longer maintained.
2.1.1 7,622,601 6/18/2018
2.1.0 1,811,095 5/29/2018
2.1.0-rc1-final 37,944 5/6/2018 2.1.0-rc1-final is deprecated because it is no longer maintained.
2.1.0-preview2-final 13,841 4/10/2018 2.1.0-preview2-final is deprecated because it is no longer maintained.
2.1.0-preview1-final 29,457 2/26/2018 2.1.0-preview1-final is deprecated because it is no longer maintained.
2.0.3 431,635 5/7/2018 2.0.3 is deprecated because it is no longer maintained.
2.0.2 893,790 3/13/2018 2.0.2 is deprecated because it is no longer maintained.
2.0.1 1,476,990 11/14/2017 2.0.1 is deprecated because it is no longer maintained.
2.0.0 1,175,039 8/11/2017 2.0.0 is deprecated because it is no longer maintained.
2.0.0-preview2-final 10,612 6/28/2017 2.0.0-preview2-final is deprecated because it is no longer maintained.
2.0.0-preview1-final 21,346 5/10/2017 2.0.0-preview1-final is deprecated because it is no longer maintained.
1.1.3 298,353 9/20/2017 1.1.3 is deprecated because it is no longer maintained.
1.1.2 742,724 5/9/2017 1.1.2 is deprecated because it is no longer maintained.
1.1.1 443,872 3/6/2017 1.1.1 is deprecated because it is no longer maintained.
1.1.0 532,202 11/16/2016 1.1.0 is deprecated because it is no longer maintained.
1.1.0-preview1-final 6,236 10/24/2016 1.1.0-preview1-final is deprecated because it is no longer maintained.
1.0.5 186,659 11/14/2017 1.0.5 is deprecated because it is no longer maintained.
1.0.4 166,638 9/20/2017 1.0.4 is deprecated because it is no longer maintained.
1.0.3 219,317 5/9/2017 1.0.3 is deprecated because it is no longer maintained.
1.0.2 329,973 3/6/2017 1.0.2 is deprecated because it is no longer maintained.
1.0.1 176,636 12/12/2016 1.0.1 is deprecated because it is no longer maintained.
1.0.0 468,366 6/27/2016 1.0.0 is deprecated because it is no longer maintained.
1.0.0-rc2-final 16,671 5/16/2016 1.0.0-rc2-final is deprecated because it is no longer maintained.