Hands-On RESTful Web Services with ASP.NET Core 3

Extending the test coverage

As we did with the ItemRepositoryTests class, we can proceed by testing ArtistRepository and GenreRepository using the same approach. In Chapter 8, Building the Data Access Layer, we defined TestDataContextFactory, which is part of the Catalog.Fixtures project. We can use this to instantiate an in-memory database for our test purposes:

using System;using System.Linq;using System.Threading.Tasks;using Catalog.Domain.Entities;using Catalog.Fixtures;using Catalog.Infrastructure.Repositories;using Shouldly;using Xunit;namespace Catalog.Infrastructure.Tests{    public class ArtistRepositoryTests :        IClassFixture<CatalogContextFactory>    {        private readonly CatalogContextFactory _factory;        public ArtistRepositoryTests(CatalogContextFactory ...