0
我在aspnetcore项目中进行集成测试时收到空引用异常。该项目是使用完整.net框架的aspnetcore webapi项目。自动映射器初始化适用于实际的webapi项目，但在依赖注入过程中集成测试类库项目失败。Automapper无法在asp.net核心集成测试项目中初始化
例外：
异常堆栈跟踪：
System.ArgumentNullException occurred
HResult=0x80004003
Message=Value cannot be null.
Source=Microsoft.Extensions.DependencyModel
StackTrace:
at Microsoft.Extensions.DependencyModel.DependencyContextLoader.Load(Assembly assembly)
at Microsoft.Extensions.DependencyModel.DependencyContext.LoadDefault()
at System.Lazy`1.CreateValue()
at System.Lazy`1.LazyInitValue()
at System.Lazy`1.get_Value()
at AutoMapper.ServiceCollectionExtensions.AddAutoMapper(IServiceCollection services)
at EI.CatalogBuilder.WebService.Startup.ConfigureServices(IServiceCollection services) in F:\ei_cube_customization\EI.CatalogBuilder\EI.CatalogBuilder.WebService\Startup.cs:line 154
集成测试项目（packages.config）：
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="AutoMapper" version="6.1.1" targetFramework="net46" />
<package id="AutoMapper.Extensions.Microsoft.DependencyInjection" version="2.0.1" targetFramework="net46" />
<package id="EntityFramework" version="6.1.3" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Antiforgery" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Authorization" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Cryptography.Internal" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.DataProtection" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.DataProtection.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Diagnostics.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Hosting" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Hosting.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Hosting.Server.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Html.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Http" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Http.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Http.Extensions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Http.Features" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.JsonPatch" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Mvc.Abstractions" version="1.1.3" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Mvc.Core" version="1.1.3" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Mvc.DataAnnotations" version="1.1.3" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Mvc.Formatters.Json" version="1.1.3" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Mvc.ViewFeatures" version="1.1.3" targetFramework="net46" />
<package id="Microsoft.AspNetCore.ResponseCaching.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Routing" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.Routing.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.TestHost" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.AspNetCore.WebUtilities" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.CSharp" version="4.3.0" targetFramework="net46" />
<package id="Microsoft.DotNet.PlatformAbstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.Configuration" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.Configuration.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.Configuration.EnvironmentVariables" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.DependencyInjection" version="1.1.1" targetFramework="net46" />
<package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="1.1.1" targetFramework="net46" />
<package id="Microsoft.Extensions.DependencyModel" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.FileProviders.Abstractions" version="1.1.1" targetFramework="net46" />
<package id="Microsoft.Extensions.FileProviders.Physical" version="1.1.1" targetFramework="net46" />
<package id="Microsoft.Extensions.FileSystemGlobbing" version="1.1.1" targetFramework="net46" />
<package id="Microsoft.Extensions.Localization" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.Localization.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.Logging" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.Logging.Abstractions" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.ObjectPool" version="1.1.1" targetFramework="net46" />
<package id="Microsoft.Extensions.Options" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Extensions.PlatformAbstractions" version="1.1.0" targetFramework="net46" />
<package id="Microsoft.Extensions.Primitives" version="1.1.1" targetFramework="net46" />
<package id="Microsoft.Extensions.WebEncoders" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.Net.Http.Headers" version="1.1.2" targetFramework="net46" />
<package id="Microsoft.NETCore.Platforms" version="1.1.0" targetFramework="net46" />
<package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="net46" />
<package id="NETStandard.Library" version="1.6.1" targetFramework="net46" />
<package id="Newtonsoft.Json" version="10.0.3" targetFramework="net46" />
<package id="NSubstitute" version="2.0.3" targetFramework="net46" />
<package id="NUnit" version="3.7.1" targetFramework="net46" />
<package id="NUnit3TestAdapter" version="3.8.0" targetFramework="net46" />
<package id="System.AppContext" version="4.3.0" targetFramework="net46" />
<package id="System.Buffers" version="4.3.0" targetFramework="net46" />
<package id="System.Collections" version="4.3.0" targetFramework="net46" />
<package id="System.Collections.Concurrent" version="4.3.0" targetFramework="net46" />
<package id="System.Collections.Immutable" version="1.3.1" targetFramework="net46" />
<package id="System.ComponentModel" version="4.3.0" targetFramework="net46" />
<package id="System.Console" version="4.3.0" targetFramework="net46" />
<package id="System.Diagnostics.Contracts" version="4.3.0" targetFramework="net46" />
<package id="System.Diagnostics.Debug" version="4.3.0" targetFramework="net46" />
<package id="System.Diagnostics.DiagnosticSource" version="4.4.0" targetFramework="net46" />
<package id="System.Diagnostics.Tools" version="4.3.0" targetFramework="net46" />
<package id="System.Diagnostics.Tracing" version="4.3.0" targetFramework="net46" />
<package id="System.Globalization" version="4.3.0" targetFramework="net46" />
<package id="System.Globalization.Calendars" version="4.3.0" targetFramework="net46" />
<package id="System.IO" version="4.3.0" targetFramework="net46" />
<package id="System.IO.Compression" version="4.3.0" targetFramework="net46" />
<package id="System.IO.Compression.ZipFile" version="4.3.0" targetFramework="net46" />
<package id="System.IO.FileSystem" version="4.3.0" targetFramework="net46" />
<package id="System.IO.FileSystem.Primitives" version="4.3.0" targetFramework="net46" />
<package id="System.Linq" version="4.3.0" targetFramework="net46" />
<package id="System.Linq.Expressions" version="4.3.0" targetFramework="net46" />
<package id="System.Net.Http" version="4.3.2" targetFramework="net46" />
<package id="System.Net.Primitives" version="4.3.0" targetFramework="net46" />
<package id="System.Net.Sockets" version="4.3.0" targetFramework="net46" />
<package id="System.ObjectModel" version="4.3.0" targetFramework="net46" />
<package id="System.Reflection" version="4.3.0" targetFramework="net46" />
<package id="System.Reflection.Extensions" version="4.3.0" targetFramework="net46" />
<package id="System.Reflection.Metadata" version="1.4.2" targetFramework="net46" />
<package id="System.Reflection.Primitives" version="4.3.0" targetFramework="net46" />
<package id="System.Resources.ResourceManager" version="4.3.0" targetFramework="net46" />
<package id="System.Runtime" version="4.3.0" targetFramework="net46" />
<package id="System.Runtime.CompilerServices.Unsafe" version="4.3.0" targetFramework="net46" />
<package id="System.Runtime.Extensions" version="4.3.0" targetFramework="net46" />
<package id="System.Runtime.Handles" version="4.3.0" targetFramework="net46" />
<package id="System.Runtime.InteropServices" version="4.3.0" targetFramework="net46" />
<package id="System.Runtime.InteropServices.RuntimeInformation" version="4.3.0" targetFramework="net46" />
<package id="System.Runtime.Numerics" version="4.3.0" targetFramework="net46" />
<package id="System.Security.Cryptography.Algorithms" version="4.3.0" targetFramework="net46" />
<package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net46" />
<package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net46" />
<package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net46" />
<package id="System.Text.Encoding" version="4.3.0" targetFramework="net46" />
<package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net46" />
<package id="System.Text.Encodings.Web" version="4.3.1" targetFramework="net46" />
<package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net46" />
<package id="System.Threading" version="4.3.0" targetFramework="net46" />
<package id="System.Threading.Tasks" version="4.3.0" targetFramework="net46" />
<package id="System.Threading.Timer" version="4.3.0" targetFramework="net46" />
<package id="System.Xml.ReaderWriter" version="4.3.0" targetFramework="net46" />
<package id="System.Xml.XDocument" version="4.3.0" targetFramework="net46" />
</packages>的Web API项目（包）：
Startup.cs：
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using Microsoft.AspNetCore.Authentication.Cookies;
using System.Threading.Tasks;
using Microsoft.IdentityModel.Tokens;
using System.Text;
using Microsoft.AspNetCore.Mvc.Versioning;
using EI.CatalogBuilder.ActiveDirectory.Identity.Models;
using Microsoft.AspNetCore.Identity;
using EI.CatalogBuilder.ActiveDirectory.Identity.Stores;
using EI.CatalogBuilder.ActiveDirectory.Identity.DataAccess;
using EI.CatalogBuilder.WebService.Utils.SecurityPolicies;
using Microsoft.AspNetCore.Authorization;
using EI.CatalogBuilder.WebService.Utils.SecurityPolicies.Handlers;
using EI.CatalogBuilder.WebService.Utils;
using Microsoft.AspNetCore.Mvc.Cors.Internal;
using NLog.Extensions.Logging;
using NLog.Web;
using Microsoft.AspNetCore.Http;
using EI.CatalogBuilder.WebService.Repositories;
using EI.CatalogBuilder.Infrastructure.Data;
using AutoMapper;
namespace EI.CatalogBuilder.WebService
{
public class Startup
{
private readonly IHostingEnvironment _env;
private readonly ConfigReader _configReader;
private IConfigurationRoot _config { get; }
public Startup(IHostingEnvironment env)
{
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
.AddEnvironmentVariables();
_config = builder.Build();
_configReader = new ConfigReader(_config);
_env = env;
_env.ConfigureNLog("nlog.config");
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.AddSingleton(_config);
services.AddSingleton(_configReader);
services.AddTransient<ModuleRepository, ModuleRepository>();
services.AddTransient<ClientRepository, ClientRepository>();
services.AddTransient<CatalogBuilderUnitOfWork, CatalogBuilderUnitOfWork>();
services.AddSingleton<IAuthorizationHandler, DevelopersRequirementHandler>();
services.AddSingleton<IAuthorizationHandler, PublishersRequirementHandler>();
services.AddSingleton<IAuthorizationHandler, ViewersRequirementHandler>();
services.AddTransient<IUserContext<User>, ActiveDirectoryUserContext>();
services.AddTransient<IRoleContext<Role>, ActiveDirectoryRoleContext>();
// Add framework services.
// Add identity types
services.AddIdentity<User, Role>()
.AddDefaultTokenProviders();
// Identity Services
services.AddTransient<IUserStore<User>, UserStore<User>>();
services.AddTransient<IRoleStore<Role>, RoleStore<Role>>();
services.Configure<IdentityOptions>(options =>
{
options.Cookies.ApplicationCookie.Events =
new CookieAuthenticationEvents
{
OnRedirectToLogin = (ctx) =>
{
if (ctx.Response.StatusCode == 200)
{
ctx.Response.StatusCode = 401;
}
return Task.CompletedTask;
},
OnRedirectToAccessDenied = (ctx) =>
{
if (ctx.Response.StatusCode == 200)
{
ctx.Response.StatusCode = 403;
}
return Task.CompletedTask;
}
};
});
services.AddApiVersioning(configuration => {
var majorVersion = _configReader.GetApiMajorVersion();
var minorVersion = _configReader.GetApiMinorVersion();
configuration.DefaultApiVersion = new ApiVersion(majorVersion, minorVersion);
configuration.AssumeDefaultVersionWhenUnspecified = true;
configuration.ReportApiVersions = true;
configuration.ApiVersionReader = new HeaderApiVersionReader("ver");
});
services.AddCors(configuration =>
{
configuration.AddPolicy("Default", builder =>
{
builder.AllowAnyHeader()
.AllowAnyMethod()
.WithOrigins(_configReader.GetCorsDefaultOrigin());
});
});
services.AddAuthorization(configuration =>
{
configuration.AddPolicy("Developers", policy => policy.Requirements.Add(new DevelopersRequirement()));
configuration.AddPolicy("Publishers", policy => policy.Requirements.Add(new PublishersRequirement()));
configuration.AddPolicy("Viewers", policy => policy.Requirements.Add(new ViewersRequirement()));
});
services.AddMvc(options =>
{
// We are supporting SSL for all environments but the development environment
if (!_env.IsDevelopment())
{
options.Filters.Add(new RequireHttpsAttribute());
}
})
.AddJsonOptions(options =>
{
options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
});
services.Configure<MvcOptions>(options =>
{
options.Filters.Add(new CorsAuthorizationFilterFactory("Default"));
});
services.AddAutoMapper();
services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
loggerFactory.AddNLog();
app.AddNLogWeb();
app.UseIdentity();
app.UseJwtBearerAuthentication(new JwtBearerOptions
{
AutomaticAuthenticate = true,
AutomaticChallenge = true,
TokenValidationParameters = new TokenValidationParameters
{
ValidIssuer = _configReader.GetJwtTokenIssuer(),
ValidAudience = _configReader.GetJwtTokenAudience(),
IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configReader.GetJwtTokenKey())),
ValidateLifetime = true
}
});
app.UseMvc();
}
}
}
集成测试类：
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.TestHost;
using NUnit.Framework;
using System.Net.Http;
using System.Threading.Tasks;
namespace EI.CatalogBuilder.WebService.Tests.IntegrationTests
{
public class EntityControllerTests
{
private readonly TestServer _server;
private readonly HttpClient _client;
public EntityControllerTests()
{
_server = new TestServer(new WebHostBuilder()
.UseStartup<Startup>());
_client = _server.CreateClient();
}
[Test]
public async Task GetRetunsEmptyListInitially()
{
var request = "/api/Modules";
var response = await _client.GetAsync(request);
response.EnsureSuccessStatusCode();
var responseString = await response.Content.ReadAsStringAsync();
// Assert
Assert.AreEqual("[]", responseString);
}
}
}