PopularWordsResponse response = new PopularWordsResponse("test-index", 100, words, 20, new ArrayList<>());

        assertEquals(4, response.getNum());
    }

    @Test
    public void test_getTotal() throws Exception {
        List<String> words = new ArrayList<>();
        words.add("word1");

        PopularWordsResponse response = new PopularWordsResponse("test-index", 100, words, 100, new ArrayList<>());

        SuggestResponse response = new SuggestResponse("test-index", 100, words, 20, new ArrayList<>());

        assertEquals(3, response.getNum());
    }

    @Test
    public void test_getTotal() throws Exception {
        List<String> words = new ArrayList<>();
        words.add("word1");

        SuggestResponse response = new SuggestResponse("test-index", 100, words, 100, new ArrayList<>());