Mockito-@间谍vs @Mock [英] Mockito - @Spy vs @Mock

问题描述

Mockito-我知道间谍在对象上调用真实方法，而模拟对象在double对象上调用方法.除非有代码气味，否则也应避免间谍活动. 但是，间谍如何工作，我什么时候应该实际使用它们? 它们与模拟游戏有何不同?

Mockito - I understand a spy calls the real methods on an object, while a mock calls methods on the double object. Also spies are to be avoided unless there is a code smell. However, how do spies work and when should i actually use them? How are they different from mocks?

推荐答案

从技术上讲，模拟"和间谍"都是一种特殊的测试双打".

Technically speaking both "mocks" and "spies" are a special kind of "test doubles".

不幸的是，Mockito的区分很奇怪.

Mockito is unfortunately making the distinction weird.

mockito中的模拟是其他模拟框架中的普通模拟(允许您存根调用；即从方法调用中返回特定值).

A mock in mockito is a normal mock in other mocking frameworks (allows you to stub invocations; that is, return specific values out of method calls).

mockito中的间谍是其他模拟框架中的部分模拟(部分对象将被模拟，而另一部分将使用真实的方法调用).

A spy in mockito is a partial mock in other mocking frameworks (part of the object will be mocked and part will use real method invocations).

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