t.Fatalf("Blog should has three tags after Append")
	}

	if count := DB.Model(&blog).Association("Tags").Count(); count != 3 {
		t.Fatalf("Blog should has 3 tags after Append, got %v", count)
	}

	var tags []Tag
	DB.Model(&blog).Association("Tags").Find(&tags)
	if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
		t.Fatalf("Should find 3 tags")
	}

	var blog1 Blog
	DB.Preload("Tags").Find(&blog1)

        String[] tags1 = { "tag1", "tag2" };
        String[] tags2 = { "tag2", "tag1" };
        String[] roles = { "role1" };
        String[] fields = { "field1" };
        String[] excludes = { "exclude1" };

        String result1 = popularWordHelper.getCacheKey(seed, tags1, roles, fields, excludes);
        String result2 = popularWordHelper.getCacheKey(seed, tags2, roles, fields, excludes);

        String[] fields = { "field1", "field2" };
        item.setFields(fields);
        assertArrayEquals(fields, item.getFields());

        // Test tags
        String[] tags = { "tag1", "tag2" };
        item.setTags(tags);
        assertArrayEquals(tags, item.getTags());

        // Test roles
        String[] roles = { "admin", "user" };
        item.setRoles(roles);

        readings[1] = new String[] { "enjin", "fuga" };
        String[] tags = new String[] { "tag1", "tag2" };
        String[] roles = new String[] { SuggestConstants.DEFAULT_ROLE, "role1", "role2", "role3" };
        queryItems[0] = new SuggestItem(new String[] { "検索", "エンジン" }, readings, new String[] { "content" }, 1, 0, -1, tags, roles, null,
                SuggestItem.Kind.DOCUMENT);

    }

    public void test_parse() {
        PrunedTag[] tags = PrunedTag.parse("");
        assertEquals(0, tags.length);

        tags = PrunedTag.parse("a");
        assertEquals(1, tags.length);
        assertEquals("PrunedTag [tag=a, id=null, css=null, attrName=null, attrValue=null]", tags[0].toString());

        tags = PrunedTag.parse("a#test");
        assertEquals(1, tags.length);

        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());
        assertEquals(boost, elevateWord.getBoost(), 0.001f);

/// tip

You don't have to add metadata for all the tags that you use.

///

### Use your tags { #use-your-tags }

Use the `tags` parameter with your *path operations* (and `APIRouter`s) to assign them to different tags:

{* ../../docs_src/metadata/tutorial004.py hl[21,26] *}

/// info

Read more about tags in [Path Operation Configuration](path-operation-configuration.md#tags){.internal-link target=_blank}.

///

     */
    public List<String> getWordList(final SearchRequestType searchRequestType, final String seed, final String[] tags, final String[] roles,
            final String[] fields, final String[] excludes) {
        final String baseSeed = seed != null ? seed : fessConfig.getSuggestPopularWordSeed();
        final String[] baseTags = tags != null ? tags : fessConfig.getSuggestPopularWordTagsAsArray();
        final String[] baseRoles = roles != null ? roles

        this.fields = fields;
        if (tags == null) {
            this.tags = Collections.emptyList();
        } else {
            this.tags = tags;
        }
        if (roles == null) {
            this.roles = Collections.emptyList();
        } else {
            this.roles = roles;
        }
    }

    /**
     * Returns the elevate word.
     *
     * @return the elevate word
     */

	}

	// Set tag count if object has tags
	if len(objInfo.UserTags) > 0 {
		tags, _ := tags.ParseObjectTags(objInfo.UserTags)
		if tags != nil && tags.Count() > 0 {
			w.Header()[xhttp.AmzTagCount] = []string{strconv.Itoa(tags.Count())}
			if opts.Tagging {
				// This is MinIO only extension to return back tags along with the count.
				w.Header()[xhttp.AmzObjectTagging] = []string{objInfo.UserTags}