107 lines
3.5 KiB
C#
107 lines
3.5 KiB
C#
using System;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.AspNet.Http;
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using Microsoft.AspNet.Http.Features;
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using Microsoft.AspNet.Http.Internal;
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using Microsoft.AspNet.Mvc;
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using Microsoft.AspNet.Session;
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using Microsoft.Framework.Caching.Distributed;
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using Microsoft.Framework.Caching.Memory;
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using Microsoft.Framework.DependencyInjection;
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using Microsoft.Framework.Logging.Testing;
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using MusicStore.Models;
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using Xunit;
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namespace MusicStore.Components
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{
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public class CartSummaryComponentTest
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{
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private readonly IServiceProvider _serviceProvider;
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public CartSummaryComponentTest()
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{
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var services = new ServiceCollection();
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services.AddEntityFramework()
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.AddInMemoryDatabase()
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.AddDbContext<MusicStoreContext>(options =>
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options.UseInMemoryDatabase());
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_serviceProvider = services.BuildServiceProvider();
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}
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[Fact]
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public async Task CartSummaryComponent_Returns_CartedItems()
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{
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// Arrange
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var viewContext = new ViewContext()
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{
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HttpContext = new DefaultHttpContext()
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};
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// Session initialization
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var cartId = "CartId_A";
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var sessionFeature = new SessionFeature()
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{
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Session = CreateTestSession(),
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};
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viewContext.HttpContext.SetFeature<ISessionFeature>(sessionFeature);
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viewContext.HttpContext.Session.SetString("Session", cartId);
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// DbContext initialization
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var dbContext = _serviceProvider.GetRequiredService<MusicStoreContext>();
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PopulateData(dbContext, cartId, albumTitle: "AlbumA", itemCount: 10);
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// CartSummaryComponent initialization
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var cartSummaryComponent = new CartSummaryComponent(dbContext)
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{
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ViewComponentContext = new ViewComponentContext() { ViewContext = viewContext }
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};
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// Act
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var result = await cartSummaryComponent.InvokeAsync();
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// Assert
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Assert.NotNull(result);
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var viewResult = Assert.IsType<ViewViewComponentResult>(result);
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Assert.Null(viewResult.ViewName);
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Assert.Null(viewResult.ViewData.Model);
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Assert.Equal(10, cartSummaryComponent.ViewBag.CartCount);
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Assert.Equal("AlbumA", cartSummaryComponent.ViewBag.CartSummary);
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}
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private static ISession CreateTestSession()
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{
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return new DistributedSession(
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new LocalCache(new MemoryCache(new MemoryCacheOptions())),
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"sessionId_A",
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idleTimeout: TimeSpan.MaxValue,
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tryEstablishSession: () => true,
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loggerFactory: new NullLoggerFactory(),
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isNewSessionKey: true);
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}
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private static void PopulateData(MusicStoreContext context, string cartId, string albumTitle, int itemCount)
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{
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var album = new Album()
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{
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AlbumId = 1,
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Title = albumTitle,
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};
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var cartItems = Enumerable.Range(1, itemCount).Select(n =>
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new CartItem()
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{
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AlbumId = 1,
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Album = album,
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Count = 1,
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CartId = cartId,
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}).ToArray();
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context.AddRange(cartItems);
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context.SaveChanges();
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}
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}
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}
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