String[] tags = { "tag1" };
        String[] roles = { "role1" };
        String[] fields = { "field1" };
        String[] excludes = { "exclude1" };

        String result = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

        assertNotNull(result);
        assertTrue(result.contains("test_seed"));
        assertTrue(result.contains("tag1"));

        float boost = 2.5f;
        List<String> readings = Arrays.asList("reading1", "reading2");
        List<String> fields = Arrays.asList("field1", "field2");
        List<String> tags = Arrays.asList("tag1", "tag2");
        List<String> roles = Arrays.asList("role1", "role2");

        elevateWord = new ElevateWord(word, boost, readings, fields, tags, roles);

        assertEquals(word, elevateWord.getElevateWord());

        List<String> words = Collections.singletonList("tag1");
        QueryBuilder result = request.buildFilterQuery("tags", words);
        assertNotNull(result);
        assertTrue(result instanceof BoolQueryBuilder);

        String queryString = result.toString();
        assertTrue("Should contain term query for tag1", queryString.contains("tag1"));
    }

    @Test

			objectName:     "foodir/fooobject",
			objectTags:     "tag1=value1&tag2=value2",

        String[][] readings = new String[1][];
        readings[0] = new String[] { "test" };
        SuggestItem item = new SuggestItem(new String[] { "テスト" }, readings, new String[] { "content" }, 1, 0, -1, new String[] { "tag1" },
                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.DOCUMENT);
        suggester.indexer().index(item);
        suggester.refresh();

        assertNotNull(request);
    }

    @Test
    public void test_addTag() throws Exception {
        indexQueryItems();

        PopularWordsResponse response = suggester.popularWords().setSize(10).addTag("tag1").execute().getResponse();

        assertNotNull(response);
        assertTrue(response.getTotal() > 0);
    }

    @Test
    public void test_addRole() throws Exception {
        indexQueryItems();

        assertNotNull(response);
    }

    @Test
    public void test_addTag() throws Exception {
        indexItems();

        PopularWordsResponse response = suggester.popularWords().addTag("tag1").execute().getResponse();

        assertNotNull(response);
    }

    @Test
    public void test_addRole() throws Exception {
        indexItems();

        String[] text = { "test", "text" };
        String[][] readings = { { "reading1" }, { "reading2" } };
        String[] fields = { "field1", "field2" };
        String[] tags = { "tag1", "tag2" };
        String[] roles = { "role1", "role2" };
        String[] languages = { "en", "ja" };
        SuggestItem.Kind kind = SuggestItem.Kind.QUERY;

                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.DOCUMENT);

        String[][] readings2 = new String[1][];
        readings2[0] = new String[] { "query" };
        items[1] = new SuggestItem(new String[] { "クエリ" }, readings2, new String[] { "content" }, 0, 1, -1, new String[] { "tag1" },

		Tags: []Tag{
			{Locale: "ZH", Value: "tag1"},
			{Locale: "ZH", Value: "tag2"},
		},
	}

	DB.Save(&blog)
	if !compareTags(blog.Tags, []string{"tag1", "tag2"}) {
		t.Fatalf("Blog should has two tags")
	}

	// Append
	tag3 := &Tag{Locale: "ZH", Value: "tag3"}
	DB.Model(&blog).Association("Tags").Append([]*Tag{tag3})

	if !compareTags(blog.Tags, []string{"tag1", "tag2", "tag3"}) {