我在单元测试中使用EF Core和SQLite。给定以下1对1实体。
public class Entity1 : FullAuditedEntity<int>
{
public Entity2 Entity2 { get; set; }
public string Name { get; set; }
}
public class Entity2 : FullAuditedEntity<int>
{
public string Name { get; set; }
[ForeignKey("Entity1Id")]
public Entity1 Entity1 { get; set; }
public int Entity1Id { get; set; }
}
DbContext
类有以下代码。
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
...
modelBuilder.Entity<Entity1>().HasOne(t => t.Entity2)
.WithOne(t1 => t1.Entity1)
.OnDelete(DeleteBehavior.Cascade);
...
}
我有一个测试方法。
[Fact]
public async Task Should_Create_And_Then_Delete_Single_Entity1()
{
var entity1Service = Resolve<Entity1Service>();
var entity1Repo = Resolve<IRepository<Entity1>>();
var entity2Repo = Resolve<IRepository<Entity2>>();
var entity1 = new entity1 { Name = "ent1" };
entity2Repo.Count().ShouldBe(0);
// entity2 created also, see assert below
var created = await entity1Service.CreateEntity1Async(entity1).ConfigureAwait(false);
created.Id.ShouldBe(1);
created.Name.ShouldBe("net1");
entity1Repo.Count().ShouldBe(1);
entity2Repo.Count().ShouldBe(1);
var ent = await entity1Service.GetEntity1Async(created.Id).ConfigureAwait(false);
ent.ShouldNotBeNull();
ent.Entity2.ShouldNotBeNull();
await entity1Service.DeleteEntity1Async(ent.Id).ConfigureAwait(false);
entity1Repo.Count().ShouldBe(0);
entity2Repo.Count().ShouldBe(0);
}
问题是,最后一行代码: "entity2Repo.Count().ShouldBe(0);"
断言被打破了,它实际上是1而不是0。IsDeleted
(软删除)是 false
但我希望它是 true
.
我到底做错了什么?
先谢谢你了。
你需要自己级联软删除。请看封闭的PR中的原理 aspnetboilerplateaspnetboilerplate#3559.
你可以通过定义一个 事件处理程序:
public class Entity1DeletingCascader : IEventHandler<EntityDeletingEventData<Entity1>>, ITransientDependency
{
private readonly IRepository<Entity2> _entity2Repository;
public Entity1DeletingCascader(IRepository<Entity2> entity2Repository)
{
_entity2Repository = entity2Repository;
}
[UnitOfWork]
public virtual void HandleEvent(EntityDeletingEventData<Entity1> eventData)
{
var entity1 = eventData.Entity;
_entity2Repository.Delete(e2 => e2.Entity1Id == entity1.Id);
}
}