增加支持Autofac的http单元测试

fix issue #I50DRR

OpenAuth.App/SSO/PassportLoginRequest.cs

@@ -5,8 +5,10 @@ namespace OpenAuth.App.SSO
 
     public class PassportLoginRequest
     {
+        /// <example>System</example>
         public string Account { get; set; }
 
+        /// <example>123456</example>
         public string Password { get; set; }
 
         /// <summary>

OpenAuth.App/Test/TestBase.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 using System.Linq;
 using Autofac.Extensions.DependencyInjection;
@@ -27,7 +27,11 @@ namespace OpenAuth.App.Test
             serviceCollection.AddOptions();
             //读取OpenAuth.WebApi的配置文件用于单元测试
             var path = AppContext.BaseDirectory;
-            int pos = path.LastIndexOf("OpenAuth.");
+            int pos = path.IndexOf("OpenAuth.App");
+            if (pos == -1) //如果测试入口是OpenAuth.WebApi
+            {
+                pos = path.IndexOf("OpenAuth.WebApi");
+            }
             var basepath = Path.Combine(path.Substring(0,pos) ,"OpenAuth.WebApi");
             IConfiguration config = new ConfigurationBuilder()
                 .SetBasePath(basepath)

OpenAuth.WebApi/OpenAuth.WebApi.csproj

@@ -29,6 +29,7 @@
     <PackageReference Include="log4net" Version="2.0.12" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="3.1.2" />
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.2" />
     <PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="3.1.0" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.0" />

OpenAuth.WebApi/Test/AutofacWebApplicationFactory.cs

@@ -0,0 +1,18 @@
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.Extensions.Hosting;
+
+namespace OpenAuth.WebApi.Test
+{
+    /// <summary>
+    /// Based upon https://github.com/dotnet/AspNetCore.Docs/tree/master/aspnetcore/test/integration-tests/samples/3.x/IntegrationTestsSample
+    /// </summary>
+    /// <typeparam name="TStartup"></typeparam>
+    public class AutofacWebApplicationFactory<TStartup> : WebApplicationFactory<TStartup> where TStartup : class
+    {
+        protected override IHost CreateHost(IHostBuilder builder)
+        {
+            builder.UseServiceProviderFactory(new CustomServiceProviderFactory());
+            return base.CreateHost(builder);
+        }
+    }
+}

OpenAuth.WebApi/Test/CustomServiceProviderFactory.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using Autofac;
+using Autofac.Extensions.DependencyInjection;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace OpenAuth.WebApi.Test
+{
+    /// <summary>
+    /// Based upon https://github.com/dotnet/aspnetcore/issues/14907#issuecomment-620750841 - only necessary because of an issue in ASP.NET Core
+    /// </summary>
+    public class CustomServiceProviderFactory : IServiceProviderFactory<ContainerBuilder>
+    {
+        private AutofacServiceProviderFactory _wrapped;
+        private IServiceCollection _services;
+
+        public CustomServiceProviderFactory()
+        {
+            _wrapped = new AutofacServiceProviderFactory();
+        }
+
+        public ContainerBuilder CreateBuilder(IServiceCollection services)
+        {
+            // Store the services for later.
+            _services = services;
+
+            return _wrapped.CreateBuilder(services);
+        }
+
+        public IServiceProvider CreateServiceProvider(ContainerBuilder containerBuilder)
+        {
+            var sp = _services.BuildServiceProvider();
+#pragma warning disable CS0612 // Type or member is obsolete
+            var filters = sp.GetRequiredService<IEnumerable<IStartupConfigureContainerFilter<ContainerBuilder>>>();
+#pragma warning restore CS0612 // Type or member is obsolete
+
+            foreach (var filter in filters)
+            {
+                filter.ConfigureContainer(b => { })(containerBuilder);
+            }
+
+            return _wrapped.CreateServiceProvider(containerBuilder);
+        }        
+    }
+}

OpenAuth.WebApi/Test/TestHttpRequest.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using Autofac;
+using Infrastructure;
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.Extensions.DependencyInjection;
+using NUnit.Framework;
+using OpenAuth.App;
+using OpenAuth.App.SSO;
+
+namespace OpenAuth.WebApi.Test
+{
+    /// <summary>
+    /// 模拟HTTP请求测试
+    /// 用于测试模型绑定，看看一次客户端的请求是否能被正确解析，亦或者测试WebAPI入口的一些Filter AOP等是否被正确触发。
+    /// 详情参考：https://www.cnblogs.com/yubaolee/p/DotNetCoreUnitTest.html
+    /// </summary>
+    public class TestHttpRequest
+    {
+        private HttpClient _client;
+
+        void ConfigureTestServices(IServiceCollection services)
+        {
+        }
+
+        void ConfigureTestContainer(ContainerBuilder builder)
+        {
+            AutofacExt.InitAutofac(builder);
+        }
+
+        [SetUp]
+        public void Init()
+        {
+            var factory = new AutofacWebApplicationFactory<Startup>();
+
+            _client = factory
+                .WithWebHostBuilder(builder => {
+                    builder.ConfigureTestServices(ConfigureTestServices);
+                    builder.ConfigureTestContainer<ContainerBuilder>(ConfigureTestContainer);
+                })
+                .CreateClient();
+        }
+        /// <summary>
+        /// 模拟一次登录
+        /// </summary>
+        [Test]
+        public LoginResult TestLogin()
+        {
+            var loginreq = new PassportLoginRequest
+            {
+                Account = "System",
+                Password = "123456",
+                AppKey = "openauth"
+            };
+
+            var request = new StringContent(JsonHelper.Instance.Serialize(loginreq));
+            request.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json");
+            var response = _client.PostAsync("http://localhost:52789/api/Check/Login", request);
+
+            string result = response.Result.Content.ReadAsStringAsync().Result;
+            var loginresult = JsonHelper.Instance.Deserialize<LoginResult>(result);
+            
+            Console.WriteLine($"登录结果:{result}");
+            return loginresult;
+        }
+        /// <summary>
+        /// 模拟加载字典列表
+        /// </summary>
+        [Test]
+        public void TestLoad()
+        {
+            _client.DefaultRequestHeaders.Add("X-Token", TestLogin().Token);
+            var response = _client.GetAsync("http://localhost:52789/api/categorys/load?page=1&limit=20");
+
+            string result = response.Result.Content.ReadAsStringAsync().Result;
+            Console.WriteLine($"获取分类列表:{result}");
+        }
+    }
+}