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我试图了解如何在 ASP.NET Core 6 Web API 控制器上进行集成测试。我尝试遵循我能找到的所有指南、帖子和建议，但由于某种原因，我不断遇到指南中未提及的错误。

事件控制器测试.cs

namespace UnitTests.ProjectToBeTested.Controllers\n{\n    public class EventControllerTests\n    {\n        [Fact]\n        public async Task EventController_Post_RespondsOkIfRequestContainsCorrectFeilds_SuccessAsync()\n        {\n\n            // Arrange\n            var application = new WebApplicationFactory<Program>();\n\n            var client = application.CreateClient();\n            ...\n

待测试项目.csproj

...\n    <ItemGroup>\n        <InternalsVisibleTo Include="IntegrationTests" />\n    </ItemGroup>\n...\n

运行测试时会抛出以下错误：

\n

消息：\xe2\x80\x89 System.InvalidOperationException：在\n\ 上找不到方法“public static\nIHostBuilder CreateHostBuilder(string[] args)\”或“public static\nIWebHostBuilder CreateWebHostBuilder(string[] args)\” '程序\'。或者，可以扩展 WebApplicationFactory`1，并可以重写\n\n\'CreateHostBuilder\' 或 \'CreateWebHostBuilder\' 以提供你自己的实例。

\n

堆栈跟踪:\xe2\x80\x89 WebApplicationFactory 1.CreateWebHostBuilder() WebApplicationFactory1.EnsureServer()\nWebApplicationFactory 1.CreateDefaultClient(DelegatingHandler[] handlers) WebApplicationFactory1.CreateDefaultClient(Uri baseAddress,\nDelegatingHandler[] 处理程序)\nWebApplicationFactory 1.CreateClient(WebApplicationFactoryClientOptions options) WebApplicationFactory1.CreateClient()\nEventControllerTests.EventController_Post_RespondsOkIfRequestContainsCorrectFeilds_SuccessAsync()\xe2\x80\x89线\ xe2\x80\x8917\n--- …