如何使用最小起订量对服务栈 Redis 客户端进行单元测试

Question

我试图了解如何模拟 IRedisClientsManager，以便我可以使用 Moq 对下面的 Handle 方法进行单元测试。

干杯

 public class PropertyCommandHandler : ICommandHandlerFor<PropertySaveRequest, PropertyCommandResult>
{
    private readonly IRedisClientsManager _manager;

    public PropertyCommandHandler(IRedisClientsManager manager)
    {
        this._manager = manager;
    }

    public PropertyCommandResult Handle(PropertySaveRequest request)
    {
        request.Property.OwnerId.ValidateArgumentRange();

        using (var client =_manager.GetClient())
        {
            var propertyClient = client.As<Model.Property>();

            var propertyKey = string.Format("property:{0}", request.Property.OwnerId);

            propertyClient.SetEntry(propertyKey, request.Property);

            client.AddItemToSet("property", request.Property.OwnerId.ToString());
        }

        return new PropertyCommandResult() {Success = true};
    }
}

我是这样从服务调用的

public class PropertyService : Service, IPropertyService
{
    private readonly ICommandHandlerFor<PropertySaveRequest, PropertyCommandResult> _commandHandler;

    public PropertyService(ICommandHandlerFor<PropertySaveRequest, PropertyCommandResult> commandHandler)
    {
        this._commandHandler = commandHandler;
    }

    public object Post(PropertySaveRequest request)
    {
        if (request.Property == null)
            throw new HttpError(HttpStatusCode.BadRequest, "Property cannot be null");

        var command = _commandHandler.Handle(request);
        return command;
    }
}

到目前为止这是方法 - 不确定是否在正确的轨道上

    [Test]
    public void TestMethod1()
    {
        //arrange
        _container = new WindsorContainer()
                .Install(new PropertyInstaller());

        var mock = new Mock<IRedisClientsManager>();
        var instance = new Mock<RedisClient>();
        mock.Setup(t => t.GetClient()).Returns(instance);
        // cannot resolve method error on instance
        // stuck ...
        var service = _container.Resolve<IPropertyService>(mock);
    }

Answer 1

简而言之，由于 RedisClient 实现了 IRedisClient，您是否尝试使用接口创建模拟？

 var instance = new Mock<IRedisClient>();

为什么要使用真正的容器进行单元测试？您应该使用 auto-mocking container 或简单地（因为您已经手动处理模拟）创建测试目标的真实实例，提供模拟作为依赖项

var target= new PropertyCommandHandler(mock);

顺便说一句，恕我直言 "command handler" returns 一个值听起来像一股气味...

如何使用最小起订量对服务栈 Redis 客户端进行单元测试

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