如何在单元测试时使用jmockit将空字符串传递给私有方法?

问题描述

下面是我的DataTap类中的私有方法，我正在尝试使用jmockit对这个私有方法进行junit测试-

Below is my private method in my DataTap class and I am trying to junit test this private method using jmockit -

private void parseResponse(String response) throws Exception {
    if (response != null) {
        // some code
    }
}

所以下面是我编写的junit测试，但是对于空值情况，它会以某种方式在junit测试本身上抛出NPE.

So below is the junit test I wrote but for null case, it is throwing NPE somehow on the junit test itself.

DataTap tap = new DataTap();
Deencapsulation.invoke(tap, "parseResponse", "hello");

// this line throws NPE
Deencapsulation.invoke(tap, "parseResponse", null);

所以我的问题是-有什么方法可以使用JMOCKIT将null string传递给parseResponse方法作为junit测试的一部分?

So my question is - Is there any way I can pass null string to parseResponse method using JMOCKIT as part of junit testing?

这就是我在那条线上看到的-

This is what I am seeing on that line -

推荐答案

快速浏览文档中的提示您无法尝试使用该签名:

A quick glance at the documentation suggests that what you're trying to do with that signature is not possible:

在这种情况下，请同时传入Class对象和实例.

If that's the case, then pass in the Class object as well as the instance.

Deencapsulation.invoke(tap, "parseResponse", String.class);

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