public class Startup
    {
        // custom host build
        public void ConfigureHost(IHostBuilder hostBuilder)
        {
            hostBuilder
                .ConfigureHostConfiguration(builder =>
                {
                    builder.AddJsonFile("appsettings.json", true);
                })
                .ConfigureWebHostDefaults(builder =>
                {
                    builder.UseStartup<Dx.H5.Service.Startup>();//此處為項(xiàng)目中的startup，不是測(cè)試項(xiàng)目中的startup
                    builder.UseTestServer();
                    builder.ConfigureServices(services =>
                    {
                        services.AddSingleton(sp => sp.GetRequiredService<IHost>()
                            .GetTestClient()
                        );
                    });
                })
                ;
        }
        // add services need to injection
        // ConfigureServices(IServiceCollection services)
        // ConfigureServices(IServiceCollection services, HostBuilderContext hostBuilderContext)
        // ConfigureServices(HostBuilderContext hostBuilderContext, IServiceCollection services)
        public void ConfigureServices(IServiceCollection services)
        {
            // ready check
            //services.AddHostedService<ReadyCheckHostedService>();
        }
        public void Configure(ILoggerFactory loggerFactory, ITestOutputHelperAccessor outputHelperAccessor)
        {
            loggerFactory.AddProvider(new XunitTestOutputLoggerProvider(outputHelperAccessor));
        }
    }

public class Startup
    {
        const string DefaultCorsPolicyName = "Default";
        public void ConfigureHost(IHostBuilder hostBuilder) =>
            hostBuilder.ConfigureWebHost(webHostBuilder => webHostBuilder
                .UseTestServer()
                .Configure(Configure)
                .UseUrls("http://*:17890","http://*:17880")
                .ConfigureServices(services =>
                {
                    services.AddSingleton(sp => sp.GetRequiredService<IHost>()
                            .GetTestClient()
                        );
                })
            )
            .ConfigureAppConfiguration(lb => lb.AddJsonFile("appsettings.json", false, true));
        public void ConfigureServices(IServiceCollection services, HostBuilderContext context)
        {
            services.AddControllers();
            services.AddEndpointsApiExplorer();
            services.AddSwaggerGen();
            services.AddHttpClient();
        }
        public void Configure(ILoggerFactory loggerFactory, ITestOutputHelperAccessor accessor) =>
        loggerFactory.AddProvider(new XunitTestOutputLoggerProvider(accessor));
        ////public void ConfigureHost(IHostBuilder hostBuilder) { }
        //public void ConfigureServices(IServiceCollection services)
        //{
        //}
        //public IHostBuilder CreateHostBuilder(AssemblyName assemblyName) 
        //{
        //    return new HostBuilder();
        //}
        private void Configure(IApplicationBuilder app)
        {
            //if (app.Environment.IsDevelopment())
            //{
            //    app.UseSwagger();
            //    app.UseSwaggerUI();
            //}
            app.UseRouting();
            app.UseAuthorization();
            app.UseEndpoints(endpoints =>
            {
                endpoints
                .MapControllers();
                endpoints.MapGet("/hb/generatetoken", context =>
                {
                    return context.Response.WriteAsync(GenerateToken(context));
                });
            });
        }
        string GenerateToken(HttpContext httpContext)
        {
            return "dfdfdfdfd";
        }
    }
public static IEnumerable<object?[]> ReadFile()
        {
            yield return new object[] { "123"};
            yield return new object[] { "456" };
        }

using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System.Collections.Generic;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using Xunit;
using Xunit.DependencyInjection;
using Xunit.Extensions.Ordering;
using static WebApiXunit.Controllers.WeatherForecastController;
namespace Xunit.WebApiTest
{
    [Order(1)]
    public class UnitTest1
    {
        private HttpClient _client;
        private ILogger<UnitTest1> _logger;
        //private readonly ITestOutputHelperAccessor _testOutputHelperAccessor;
        public UnitTest1(
            //ITestOutputHelperAccessor testOutputHelperAccessor
            ILogger<UnitTest1> logger,
            HttpClient client
            )
        {
            _logger = logger;
            _client = client;
        }
        [Order(1)]
        [Fact(DisplayName = "1")]
        public async Task Test1()
        {
            var c = new MyClass();
            c.Name = "1";
            c.Description = "e";
            using var request = new HttpRequestMessage(HttpMethod.Post, "WeatherForecast/hb/post/add");
            var content = JsonConvert.SerializeObject(c);
            request.Content = new StringContent(content);
            request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
            var resp = await _client.SendAsync(request);
            //var resp=await _client.GetAsync("/hb/generatetoken");
            _logger.LogInformation("成功");
            if (resp.IsSuccessStatusCode)
            {
                var str = await resp.Content.ReadAsStringAsync();
                Assert.True(true);
                return;
            }
            Assert.True(false);
        }
        [Order(2)]
        [Fact(DisplayName = "2")]
        public async Task Test2()
        {
            var c = new MyClass();
            c.Name = "1";
            c.Description = "e";
            using var request = new HttpRequestMessage(HttpMethod.Post, "WeatherForecast/hb/post/add");
            var content = JsonConvert.SerializeObject(c);
            request.Content = new StringContent(content);
            request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
            var resp = await _client.SendAsync(request);
            //var resp=await _client.GetAsync("/hb/generatetoken");
            //_testOutputHelperAccessor.Output.WriteLine("");
            _logger.LogInformation("成功");
            if (resp.IsSuccessStatusCode)
            {
                var str = await resp.Content.ReadAsStringAsync();
                Assert.True(true);
                return;
            }
            Assert.True(false);
        }
    }
    [Order(2)]
    public class UnitTest2
    {
        private HttpClient _client;
        private ILogger<UnitTest2> _logger;
        public UnitTest2(
            ILogger<UnitTest2> logger,
            HttpClient client
            )
        {
            _logger = logger;
            _client = client;
        }
        [Theory]
        [MemberData(nameof(ReadFile))]
        public async Task Test2(string name)
        {
            _logger.LogInformation(name);
            Assert.True(true);
        }
        public static IEnumerable<object?[]> ReadFile()
        {
            yield return new object[] { "123"};
            yield return new object[] { "456" };
        }
    }
}

using Xunit;
using Xunit.Extensions.Ordering;
[assembly: CollectionBehavior(DisableTestParallelization = true)]
//[assembly: TestFramework("Xunit.Extensions.Ordering.TestFramework", "Xunit.Extensions.Ordering")]
[assembly: TestCaseOrderer("Xunit.Extensions.Ordering.TestCaseOrderer", "Xunit.Extensions.Ordering")]
[assembly: TestCollectionOrderer("Xunit.Extensions.Ordering.CollectionOrderer", "Xunit.Extensions.Ordering")]