增加支持Autofac的http单元测试

fix issue #I50DRR

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}");
+        }
+    }
+}