// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.Extensions.DependencyInjection;
using Moq;
 
namespace Microsoft.AspNetCore.Mvc.ViewFeatures.Filters;
 
public class ControllerSaveTempDataPropertyFilterFactoryTest
{
    [Fact]
    public void CreateInstance_CreatesFilter()
    {
        // Arrange
        var property = typeof(StringController).GetProperty(nameof(StringController.StringProp));
        var lifecycleProperties = new[] { new LifecycleProperty(property, "key") };
        var factory = new ControllerSaveTempDataPropertyFilterFactory(lifecycleProperties);
 
        // Act
        var filter = factory.CreateInstance(CreateServiceProvider());
 
        // Assert
        var tempDataFilter = Assert.IsType<ControllerSaveTempDataPropertyFilter>(filter);
        Assert.Same(lifecycleProperties, tempDataFilter.Properties);
    }
 
    private ServiceProvider CreateServiceProvider()
    {
        var serviceCollection = new ServiceCollection();
 
        serviceCollection.AddSingleton(Mock.Of<ITempDataProvider>());
        serviceCollection.AddSingleton<ITempDataDictionaryFactory, TempDataDictionaryFactory>();
        serviceCollection.AddTransient<ControllerSaveTempDataPropertyFilter>();
 
        return serviceCollection.BuildServiceProvider();
    }
 
    private class StringController
    {
        [TempData]
        public string StringProp { get; set; }
    }
}