@InjectMocks annotation. java code analog

Question

I want on one method use mock eventService and in another real eventService.

   @Mock(name = "eventService")
        private EventService eventService;

        @InjectMocks
        private CandidateMenuController candidateMenuController = new CandidateMenuController();

How to write analog this code inside method. I have CandidateMenuController candidateMenuController as class field. But at one method I want to use specific eventService realization.

P.S I have not constructor and set get method for EventService

Could you just make two different CandidateMenuController objects, one with @InjectMocks and one without; then use whichever object is appropriate for each test? — Dawood ibn Kareem
– Dawood ibn Kareem, Commented Oct 9, 2013 at 11:47
Actually CandidateMenuController contain many different objects and its use. — gstackoverflow
– gstackoverflow, Commented Oct 9, 2013 at 11:49
So is there a setter for the one field that you want to be able to control the value of? — Dawood ibn Kareem
– Dawood ibn Kareem, Commented Oct 9, 2013 at 11:52
You may have to either write such a setter, or use reflection. You can't tell @InjectMocks to be selective about which fields to inject. — Dawood ibn Kareem
– Dawood ibn Kareem, Commented Oct 9, 2013 at 11:56

Debojit Saikia · Accepted Answer · 2013-10-09 16:09:05Z

1

As you do not have any setter method to set the value of EventService, you can use reflection to set the value for EventService:

@Test
public void testWithRealization() {
Field field = candidateMenuController.getClass().getDeclaredField("eventService");
field.set(candidateMenuController, new EventServiceImpl());

// Test Code
}

edited Oct 9, 2013 at 16:09

answered Oct 9, 2013 at 12:12

Debojit Saikia

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Comments

smajlo · Accepted Answer · 2013-10-09 11:49:32Z

1

Remove @MockitoJunitRunner from class and in method where you want to use mock do MockitoAnnotations.initMocks(this); In method where you want use specific implementation of EventService you have to create it manually by invoking constructor.

answered Oct 9, 2013 at 11:49

smajlo

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5 Comments

gstackoverflow Over a year ago

I have not understood How I pass my mock to CandidateMenuController instance?

smajlo Over a year ago

Havent seen that you dont have setter available. I'm confused. Why you want to use specific EventService ? If you testing CandidateMenuController test it, and test implementations of EventService's in another test classes.

gstackoverflow Over a year ago

Maybe it is bad style? but I want to test it. initMocks inject mock, that annotated by @Mock But my mock creates inside method

Dawood ibn Kareem Over a year ago

It's not bad style. Sometimes it's the simplest way to avoid null pointer exceptions all the way through your tests.

smajlo Over a year ago

Anyway you need either constuctor parameter or setter.. theres still reflection. Consider refactoring your code or create different test cases. Remember that testability of code is very important!

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