Mockito - NullpointerException when stubbing Method

Question

So I started writing tests for our Java-Spring-project.

What I use is JUnit and Mockito. It\'s said, that when I use the when()...thenReturn() option I can mock ser

Answer 1

you need to initialize MockitoAnnotations.initMocks(this) method has to called to initialize annotated fields.

   @Before public void initMocks() {
       MockitoAnnotations.initMocks(this);
   }

for more details see Doc