当我使用TestServer
调用MVC端点来检查视图是否呈现时,会导致HTTP 500内部服务器错误响应。
错误是:
在编译处理此请求所需的资源期间发生错误。请查看以下特定错误详细信息并适当修改源代码。
/CustomSubfolder/Views/_ViewImports.cshtml
缺少一个或多个编译引用。可能的原因包括应用程序的project.json中'buildOptions'下缺少'preserveCompilationContext'属性。
命名空间中不存在类型或命名空间名称“MyNamespace” 'Company.App'(您是否缺少程序集引用?)
测试代码:
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
namespace MvcProject.Tests
{
[TestClass]
public class ControllerTests
{
protected TestServer Server { get; }
protected HttpClient Client { get; }
public ControllerTests()
{
Server = new TestServer(new WebHostBuilder()
.UseContentRoot("../../../../MvcProject")
.UseStartup<Startup>());
Client = Server.CreateClient();
}
[TestMethod]
public async Task Action_Valid_Renders()
{
HttpResponseMessage response = await Client.GetAsync("http://localhost/");
Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
}
}
}
我正在使用面向.NET Framework 4.6.1的ASP.NET Core 1.1,我的MSTest .csproj文件如下所示:
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net461</TargetFramework>
<IsPackable>false</IsPackable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore.TestHost" Version="1.1.3" />
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0" />
<PackageReference Include="MSTest.TestAdapter" Version="1.1.18" />
<PackageReference Include="MSTest.TestFramework" Version="1.1.18" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MvcProject\MvcProject.csproj" />
</ItemGroup>
</Project>
答案 0 :(得分:8)
如https://github.com/aspnet/Razor/issues/1212中所述,问题是Razor视图编译所需的.deps.json
文件不会自动复制到测试项目的输出中。
您可以将以下手动构建步骤添加到测试项目中以解决问题。
<!--
Work around https://github.com/NuGet/Home/issues/4412. MVC uses DependencyContext.Load() which looks next to a .dll
for a .deps.json. Information isn't available elsewhere. Need the .deps.json file for all web site applications.
-->
<Target Name="CopyDepsFiles" AfterTargets="Build" Condition="'$(TargetFramework)'!=''">
<ItemGroup>
<DepsFilePaths Include="$([System.IO.Path]::ChangeExtension('%(_ResolvedProjectReferencePaths.FullPath)', '.deps.json'))" />
</ItemGroup>
<Copy SourceFiles="%(DepsFilePaths.FullPath)" DestinationFolder="$(OutputPath)" Condition="Exists('%(DepsFilePaths.FullPath)')" />
</Target>