public void WebHostAddCloudFoundry_Adds() { // arrange var hostbuilder = new WebHostBuilder(); hostbuilder.Configure(builder => { }); // act hostbuilder.AddCloudFoundry(); var host = hostbuilder.Build(); // assert var instanceInfo = host.Services.GetApplicationInstanceInfo(); Assert.IsAssignableFrom <CloudFoundryApplicationOptions>(instanceInfo); var cfg = host.Services.GetService(typeof(IConfiguration)) as IConfigurationRoot; Assert.Contains(cfg.Providers, ctype => ctype is CloudFoundryConfigurationProvider); }