57 lines
1.8 KiB
C#
57 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Mvc.ViewComponents;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.DependencyInjection;
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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 GenreMenuComponentTest
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{
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private readonly IServiceProvider _serviceProvider;
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public GenreMenuComponentTest()
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{
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var services = new ServiceCollection();
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services.AddOptions();
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services
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.AddEntityFrameworkInMemoryDatabase()
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.AddDbContext<MusicStoreContext>((p, b) => b.UseInMemoryDatabase().UseInternalServiceProvider(p));
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_serviceProvider = services.BuildServiceProvider();
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}
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[Fact]
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public async Task GenreMenuComponent_Returns_NineGenres()
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{
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// Arrange
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var dbContext = _serviceProvider.GetRequiredService<MusicStoreContext>();
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var genreMenuComponent = new GenreMenuComponent(dbContext);
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PopulateData(dbContext);
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// Act
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var result = await genreMenuComponent.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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var genreResult = Assert.IsType<List<Genre>>(viewResult.ViewData.Model);
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Assert.Equal(9, genreResult.Count);
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}
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private static void PopulateData(MusicStoreContext context)
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{
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var genres = Enumerable.Range(1, 10).Select(n => new Genre { GenreId = n });
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context.AddRange(genres);
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context.SaveChanges();
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}
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}
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}
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