对Entity Framework Core进行单元测试

/// <summary>
/// 数据上下文，继承自DbContext
/// </summary>
public class EFCoreDbContext:DbContext
{
    /// <summary>
    /// 通过DbContextOptions选项给父类构造传参
    /// </summary>
    /// <param name="options"></param>
    public EFCoreDbContext(DbContextOptions options):base(options)
    {

    }

    // DbSet属性
    public DbSet<Blog> Blogs { get; set; }
}

public static DbContextOptions<EFCoreDbContext> CreateDbContextOptions(string databaseName)
{
    var serviceProvider = new ServiceCollection().
        AddEntityFrameworkInMemoryDatabase()
        .BuildServiceProvider();

    var builder = new DbContextOptionsBuilder<EFCoreDbContext>();
    builder.UseInMemoryDatabase(databaseName)
        .UseInternalServiceProvider(serviceProvider);

    return builder.Options;
}

using EFCore.Model;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using System;
using Xunit;

namespace EFCoreTest
{

/// <summary>
/// 数据上下文，继承自DbContext
/// </summary>
public class EFCoreDbContext:DbContext
{
    /// <summary>
    /// 通过DbContextOptions选项给父类构造传参
    /// </summary>
    /// <param name="options"></param>
    public EFCoreDbContext(DbContextOptions options):base(options)
    {

    }

    // DbSet属性
    public DbSet<Blog> Blogs { get; set; }
}


    public class UnitTest1
    {

        public static DbContextOptions<EFCoreDbContext> CreateDbContextOptions(string databaseName)
        {
            var serviceProvider = new ServiceCollection().
                AddEntityFrameworkInMemoryDatabase()
                .BuildServiceProvider();

            var builder = new DbContextOptionsBuilder<EFCoreDbContext>();
            builder.UseInMemoryDatabase(databaseName)
                .UseInternalServiceProvider(serviceProvider);

            return builder.Options;
        }

        /// <summary>
        /// 测试方法，这里使用异步
        /// </summary>
        [Fact]
        public async void Test1()
        {
           var options=  CreateDbContextOptions("batabase");
            var context = new EFCoreDbContext(options);
            // 添加数据
            context.Blogs.Add(new Blog() { Name = "ef core" });
            // 保存
            context.SaveChanges();
            // 查询数据
            var blog = await context.Blogs.FirstOrDefaultAsync(p => p.Id == 1);
            // 断言
            Assert.NotNull(blog);
        }
    }
}