Java – the value passed by the unit test to the static method

Example code:

class MyClass {
    public void myMethod(Request request) {
        Item item = getItem();
        ItemUtilHelper.setCertainProperties(newProperty,item);
        differentClass.staticMethod(item);
    }
}

Itemutilhelper already has a unit test class to verify that the item is updated correctly

How do I perform unit tests and call differentclass with updated item parameters staticMethod？

Solution

First, let me say that static methods themselves are code smells Mi š ko Hevery summed up it quite nicely by saying:

If you only want to use mockito, your problem cannot be solved:

(see mockito FAQ)

You can use powermock to achieve your goals Note, however, that powermock runs at the bytecode level That means

>You may not have tested the exact same bytecode you use in production (such as heisenbugs) and > which can be tightened with other tools, such as jacoco

If you still want to continue, you are looking for a spy You can find a tutorial on powermock's wiki Although not directly related, the answer to this question provides some other examples of how to create a spy for a class The entire example can be found in automation Rhapsody