ArgumentCaptor

ArgumentCaptor with verify

ArgumentCaptor<UserChangedCallBack> userCapture = ArgumentCaptor.forClass(UserChangedCallBack.class);
usersListPresenter.onAddButtonClicked();

verify(dialogBoxPresenter).showDialog(any(User.class), userCapture.capture());

userCapture.getValue().onChanged(user);

DoAnswerAgain

doAnswer(new Answer() {
@Override
public Void answer(InvocationOnMock invocationOnMock) throws Throwable {
UserChangedCallBack callBack = (UserChangedCallBack) invocationOnMock.getArguments()[1];
callBack.onChanged(userForDeleting);
return null;
}
}).when(dialogBoxPresenter).showDialog(any(User.class), any(UserChangedCallBack.class));
 
usersListPresenter.onAddButtonClicked();