相关疑难解决方法(0)

我正在尝试为我的域编写一套使用Entity Framework的数据库集成测试.在某些情况下,我更喜欢自动混合对象.我理想的语法就像是

[TestMethod]
public void AutofixtureMyEntityEntity()
{
    var fixture = new Fixture();

    fixture.Customize<MyEntity>(
      c => c.FromFactory<MyDbContext>(ctx => ctx.Set<MyEntity>().Create()));

    using (var context = new MyDbContext())
    {
        fixture.Inject(context);
        var entity = fixture.CreateAnonymous<MyEntity>();
        context.Set<MyEntity>().Add(entity);
        context.SaveChanges();
    }
}

[TestMethod]    
[ExpectedException(typeof(InvalidOperationException))]
public void AutoFixtureMyEntityEntityWithoutInjection()
{
    var fixture = new Fixture();

    fixture.Customize<MyEntity>(
       c => c.FromFactory<MyDbContext>(ctx => ctx.Set<MyEntity>().Create()));

    using (var context = new MyDbContext())
    {
        var entity = fixture.CreateAnonymous<MyEntity>();
        context.Set<MyEntity>().Add(entity);
        context.SaveChanges();
    }
}

显然,这是行不通的,因为CreateAnonymous()不期望工厂的输入参数.我只能假设我对FromFactory()提供的内容有一个错误的理解.虽然评论上写着,

/// Specifies that a specimen should be created in …