@Test public void testRequestGroupIds() throws Exception { long followerId = 1L; String accessToken = "accessToken"; String requestGroupIdsLink = "requestGroupIdsLink"; when(linkBuilder.getRequestGroupIdsLink(followerId, accessToken)) .thenReturn(requestGroupIdsLink); String answer = "answer"; when(request.get(requestGroupIdsLink, 0)).thenReturn(answer); when(jsonService.getGroupsIds(answer)).thenReturn(new ArrayList<>()); apiService.requestGroupIds(followerId, accessToken); verify(linkBuilder, times(1)).getRequestGroupIdsLink(followerId, accessToken); verify(request, times(1)).get(requestGroupIdsLink, 0); verify(jsonService, times(1)).getGroupsIds(answer); }