如何模拟/测试返回void的方法，可能在Mockito中 [英] How to mock/test method that returns void, possibly in Mockito

问题描述

我遇到了一个问题，我找不到一个优雅的解决方案。

I came across a problem and I can't find an elegant solution.

所以问题在于模拟Selenium网络驱动程序，我不知道如何我应该测试/模拟void方法。

So the problem is with a mock of Selenium web driver, and I dont know how should I test/mock void methods.

public void clickAndWait(String locator) {
    if(isElementPresent(locator) == false) throw some exception;
    selenium.clickAndWait(); //a problematic delegating call to selenium
}

所以我要问的是，如何要正确测试这样一个方法，一个测试将是抛出异常，但是如何正确地测试我委托的那个void方法？

So what I am asking is, how to properly test such a method, one test would be for exception being thrown, but how properly make test of that void method I delegate to?

推荐答案

以下代码示例 Mockito文档说明了如何模拟void方法：

The following code sample from this Mockito documentation illustrates how to mock a void method:

doThrow(new RuntimeException()).when(mockedList).clear();

// following throws RuntimeException:
mockedList.clear();

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