/// <summary>
/// Registers <see cref="CookieTempDataProvider"/> as the default <see cref="ITempDataProvider"/> in the
/// <see cref="IServiceCollection"/>.
/// </summary>
/// <param name="builder">The <see cref="IMvcBuilder"/>.</param>
/// <returns>The <see cref="IMvcBuilder"/>.</returns>
public static IMvcBuilder AddCookieTempDataProvider(this IMvcBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
// Ensure the TempData basics are registered.
MvcViewFeaturesMvcCoreBuilderExtensions.AddViewServices(builder.Services);
var descriptor = ServiceDescriptor.Singleton(typeof(ITempDataProvider), typeof(CookieTempDataProvider));
builder.Services.Replace(descriptor);
return(builder);
}
public void AddViewComponentsAsServices_ReplacesViewComponentActivator()
{
// Arrange
var builder = CreateBuilder();
MvcViewFeaturesMvcCoreBuilderExtensions.AddViewServices(builder.Services);
builder.ConfigureApplicationPartManager(manager =>
{
manager.ApplicationParts.Add(new TestApplicationPart());
manager.FeatureProviders.Add(new ViewComponentFeatureProvider());
});
// Act
builder.AddViewComponentsAsServices();
// Assert
var descriptor = Assert.Single(builder.Services.ToList(), d => d.ServiceType == typeof(IViewComponentActivator));
Assert.Equal(typeof(ServiceBasedViewComponentActivator), descriptor.ImplementationType);
}