最小起订量中的设置序列 [英] SetupSequence in Moq

问题描述

我想要一个第一次返回 0 的模拟，然后在此后调用该方法的任何时候返回 1.问题是如果方法被调用4次，我得写:

I want a mock that returns 0 the first time, then returns 1 anytime the method is called thereafter. The problem is that if the method is called 4 times, I have to write:

mock.SetupSequence(x => x.GetNumber())
    .Returns(0)
    .Returns(1)
    .Returns(1)
    .Returns(1);

否则，该方法返回null.

Otherwise, the method returns null.

有什么办法可以写，在初始调用之后，方法返回1?

Is there any way to write that, after the initial call, the method returns 1?

推荐答案

这不是特别花哨，但我认为它会工作:

That's not particulary fancy, but I think it would work:

    var firstTime = true;

    mock.Setup(x => x.GetNumber())
        .Returns(()=>
                        {
                            if(!firstTime)
                                return 1;

                            firstTime = false;
                            return 0;
                        });

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