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"));

        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

        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();

                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"}) {

                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.DOCUMENT);
        SuggestItem item2 = new SuggestItem(new String[] { "テスト" }, readings, new String[] { "content" }, 2, 0, -1, new String[] { "tag1" },
                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.DOCUMENT);

    public void test_equals_comprehensive() {
        PrunedTag tag1 = new PrunedTag("div");
        tag1.setId("test");
        tag1.setCss("highlight");
        tag1.setAttr("data-value", "123");

        PrunedTag tag2 = new PrunedTag("div");
        tag2.setId("test");
        tag2.setCss("highlight");
        tag2.setAttr("data-value", "123");

        assertTrue(tag1.equals(tag2));
        assertTrue(tag2.equals(tag1));

    @Test
    public void testToSource_basicFields() {
        String[] text = { "test text" };
        String[][] readings = { { "reading1" } };
        String[] fields = { "field1" };
        String[] tags = { "tag1" };
        String[] roles = { "role1" };
        String[] languages = { "en" };
        long docFreq = 10L;
        long queryFreq = 5L;
        float userBoost = 1.5f;

        SuggestItem item =

        String[][] readings = new String[2][];
        readings[0] = new String[] { "kensaku", "fuga" };
        readings[1] = new String[] { "enjin", "fuga" };
        String[] tags = new String[] { "tag1", "tag2" };
        String[] roles = new String[] { SuggestConstants.DEFAULT_ROLE, "role1", "role2", "role3" };

        TestFessTransformer transformer = new TestFessTransformer();
        Map<String, Object> dataMap = new HashMap<>();

        // First addition
        transformer.putResultDataBody(dataMap, "tags", "tag1");

        // Second addition with array
        String[] tags2 = new String[] { "tag2", "tag3" };
        transformer.putResultDataBody(dataMap, "tags", tags2);

        // Third addition with another array