AspNet.Hosting.Extensions.Tests.HostingExtensionsTests.OuterServiceNotAvailableInIsolation C# (CSharp) Метод

        public async Task OuterServiceNotAvailableInIsolation() {
            // Arrange
            var builder = new WebHostBuilder()
                .ConfigureServices(services => {
                    services.AddSingleton(new ValueService("Dummy"));
                })

                .Configure(app => {
                    // Configure the isolated pipeline.
                    app.Isolate(map => map.Run(async context => {
                        var service = context.RequestServices.GetService<ValueService>();

                        await context.Response.WriteAsync(service?.Value ?? "<null>");
                    }));
                });

            var server = new TestServer(builder);

            var client = server.CreateClient();

            // Act
            var response = await client.GetStringAsync("/");

            // Assert
            Assert.Equal("<null>", response);
        }