问为8月使用AspNetCore 4的IdentityServer API构建集成测试

EN

[Fact]
public async Task Attempt_To_Test_InMemory_IdentityServer()
{
    // Create a client
        var clientConfiguration = new ClientConfiguration("MyClient", "MySecret");

        var client = new Client
        {
            ClientId = clientConfiguration.Id,
            ClientSecrets = new List<Secret>
            {
                new Secret(clientConfiguration.Secret.Sha256())
            },
            AllowedScopes = new[] { "api1" },
            AllowedGrantTypes = new[] { GrantType.ClientCredentials },
            AccessTokenType = AccessTokenType.Jwt,
            AllowOfflineAccess = true
        };

        var webHostBuilder = new IdentityServerWebHostBuilder()
            .AddClients(client)
            .AddApiResources(new ApiResource("api1", "api1name"))
            .CreateWebHostBuilder();

        var identityServerProxy = new IdentityServerProxy(webHostBuilder);
        var tokenResponse = await identityServerProxy.GetClientAccessTokenAsync(clientConfiguration, "api1");

        // *****
        // Note: creating an IdentityServerProxy above in order to get an access token
        // causes the next line to throw an exception stating: WebHostBuilder allows creation only of a single instance of WebHost
        // *****

        // Create an auth server from the IdentityServerWebHostBuilder 
        HttpMessageHandler handler;
        try
        {
            var fakeAuthServer = new TestServer(webHostBuilder);
            handler = fakeAuthServer.CreateHandler();
        }
        catch (Exception e)
        {
            throw;
        }

        // Create an auth server from the IdentityServerWebHostBuilder 
        HttpMessageHandler handler;
        try
        {
            var fakeAuthServer = new TestServer(webHostBuilder);
            handler = fakeAuthServer.CreateHandler();
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            throw;
        }

        // Set the BackChannelHandler of the 'production' IdentityServer to use the 
        // handler form the fakeAuthServer
        Startup.BackChannelHandler = handler;
        // Create the apiServer
        var apiServer = new TestServer(new WebHostBuilder().UseStartup<Startup>());
        var apiClient = apiServer.CreateClient();


        apiClient.SetBearerToken(tokenResponse.AccessToken);

        var user = new User
        {
            Username = "simonlomax@ekm.com",
            Password = "Password-123"
        };

        var req = new HttpRequestMessage(new HttpMethod("GET"), "/api/users/login")
        {
            Content = new StringContent(JsonConvert.SerializeObject(user), Encoding.UTF8, "application/json"),
        };

        // Act
        var response = await apiClient.SendAsync(req);

        // Assert
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);

}

public class Startup
{

    public IConfiguration Configuration { get; }
    public static HttpMessageHandler BackChannelHandler { get; set; }

    public Startup(IConfiguration configuration)
    {
        Configuration = configuration;
    }

    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        ConfigureAuth(services);    
        services.AddTransient<IPassportService, PassportService>();
        services.Configure<ApiBehaviorOptions>(options =>
        {
            options.SuppressModelStateInvalidFilter = true;
        });

    }

    protected virtual void ConfigureAuth(IServiceCollection services)
    {
        services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
            .AddJwtBearer(options =>
            {
                options.Authority = Configuration.GetValue<string>("IdentityServerAuthority");
                options.Audience = Configuration.GetValue<string>("IdentityServerAudience");
                options.BackchannelHttpHandler = BackChannelHandler;
            });
    }


    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IHostingEnvironment env)
    {
        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }
        else
        {
            app.UseHsts();
        }

        app.UseAuthentication();
        app.UseHttpsRedirection();
        app.UseMvc();
        app.UseExceptionMiddleware();
    }
}