如何查找已传递给我的模拟（Moq 或 Rhino Mocks）接口上的方法的值？

发布于 2024-08-12 10:31:55 字数 646 浏览 2 评论 0原文

我正在使用Moq - 但可以轻松地切换到另一个模拟框架如果需要。

我定义了一个接口：

public interface IBaseEngineManagerImp
{
   void SetClientCallbackSender(IClientCallbackSender clientCallbackSender);
}

然后我用 engineManager 模拟 IBaseEngineManagerImp

mockEngineManagerImp = new Mock<IEngineManagerImp>();
EngineManager engineManager = new EngineManager(mockEngineManagerImp.Object);

，然后调用 SetClientCallbackSender 传入一个值。

如何获取从单元测试传递给 SetClientCallbackSender 的值？

（我希望在 clientCallbackSender 上调用一些方法作为测试的一部分）

原文

I am using Moq - but could easily swap to another mock framework if needed.

I have a interface defined:

public interface IBaseEngineManagerImp
{
   void SetClientCallbackSender(IClientCallbackSender clientCallbackSender);
}

I then mock IBaseEngineManagerImp with

mockEngineManagerImp = new Mock<IEngineManagerImp>();
EngineManager engineManager = new EngineManager(mockEngineManagerImp.Object);

engineManager then calls SetClientCallbackSender passing in a value.

How do I get the value that was passed to SetClientCallbackSender from my unit test?

(I wish to call some methods on clientCallbackSender as part of the test)

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放飞的风筝 2024-08-19 10:31:55

您可以在模拟上使用 .Callback 方法，以调用传入 SetClientCallbackSender 方法的参数上的任何函数：

mockEngineManagerImp.Setup(x => x.SetClientCallbackSender(It.IsAny<IClientCallbackSender>()))
            .Callback((IClientCallbackSender c) => c.DoSomething());

you can use the .Callback method on the mock, to call any function on the parameter that was passed in to the SetClientCallbackSender method:

mockEngineManagerImp.Setup(x => x.SetClientCallbackSender(It.IsAny<IClientCallbackSender>()))
            .Callback((IClientCallbackSender c) => c.DoSomething());

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忆梦 2024-08-19 10:31:55

在rhino中，您使用WhenCalled或GetArgumentsForCallsmadeOn：

Thingy argument;
mock
  .Stub(x => x.SetClientCallbackSender(Arg<IClientCallbackSender>.Is.Anything))
  .WhenCalled(call => argument = (Thingy)call.Arguments[0]);
// act
//...
// assert
Assert.AreEqual(7, argument.X);

此实现的问题是，您只获得最新的参数。您可以通过使用参数约束（而不是 Is.Anything）对此进行更多控制。

或

// act
//...
// assert
Thingy argument = 
  (Thingy)mock
    .GetArgumentsFormCalsMadeOn(x => x.SetClientCallbackSender(
      Arg<IClientCallbackSender>.Is.Anything))[0][0];

GetArgumentsFormCalsMadeOn 的问题是，它返回一个二维数组，每个调用对应一行，每个参数对应一列。因此，您必须确切地知道被测设备执行了多少次调用。

In rhino, you use WhenCalled or GetArgumentsForCallsmadeOn:

Thingy argument;
mock
  .Stub(x => x.SetClientCallbackSender(Arg<IClientCallbackSender>.Is.Anything))
  .WhenCalled(call => argument = (Thingy)call.Arguments[0]);
// act
//...
// assert
Assert.AreEqual(7, argument.X);

The problem with this implementation is, that you just get the latest argument. You could put more control to this by using argument contraints (instead of Is.Anything).

// act
//...
// assert
Thingy argument = 
  (Thingy)mock
    .GetArgumentsFormCalsMadeOn(x => x.SetClientCallbackSender(
      Arg<IClientCallbackSender>.Is.Anything))[0][0];

The problem with the GetArgumentsFormCalsMadeOn is, that it returns a two dimensional array, a row for each call and a column for each argument. So you have to know exactly how many calls your unit under test performs.

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~没有更多了~