问题描述
如何在 Java 中轻松模拟出静态方法?
How do I easily mock out a static method in Java?
我正在使用 Spring 2.5 和 JUnit 4.4
I'm using Spring 2.5 and JUnit 4.4
@Service
public class SomeServiceImpl implements SomeService {
public Object doSomething() {
Logger.getLogger(this.class); //a static method invoked.
// ...
}
}
我不控制我的服务需要调用的静态方法，因此我无法将其重构为更易于单元测试.我以 Log4J Logger 为例，但真正的静态方法类似.改变静态方法不是一个选项.
I don't control the static method that my service needs to invoke so I cannot refactor it to be more unit-testable. I've used the Log4J Logger as an example, but the real static method is similar. It is not an option to change the static method.
做 Grails 工作，我习惯使用类似的东西:
Doing Grails work, I'm used to using something like:
def mockedControl = mockFor(Logger)
mockControl.demand.static.getLogger{Class clazz-> … }
…
mockControl.verify()
如何在 Java 中做类似的事情?
How do I do something similar in Java?
推荐答案
基本上，在 Java + Spring 2.5 &目前是 JUnit 4.4.
Basically, There isn't an easy way to do this in Java + Spring 2.5 & JUnit 4.4 at the moment.
虽然可以重构并抽象出静态调用，但重构代码并不是我想要的解决方案.
Although it is possible to refactor, and abstract away the static call, Refactoring the code isn't the solution that I was looking for.
JMockit 看起来可以工作，但与 Spring 2.5 和 JUnit 4.4 不兼容.
JMockit looked like it would work, but is incompatibile with Spring 2.5 and JUnit 4.4.
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