assertEquals(1, response.getNum());
    }

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

        SuggestResponse response = suggester.suggest().setQuery("test").addTag("tag1").execute().getResponse();

        assertNotNull(response);
    }

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

        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();

        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();

        return this;
    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     * @return This builder instance.
     */
    public PopularWordsRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     * @return This builder instance.
     */

        return this;
    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     * @return This builder instance.
     */
    public SuggestRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     * @return This builder instance.
     */

     */
    public void setWindowSize(final int windowSize) {
        this.windowSize = windowSize;
    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     */
    public void addTag(final String tag) {
        tags.add(tag);
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     */
    public void addRole(final String role) {
        roles.add(role);

 * suggestRequest.setIndex("my_index");
 * suggestRequest.setQuery("example query");
 * suggestRequest.setSize(5);
 * suggestRequest.addTag("tag1");
 * suggestRequest.addRole("role1");
 * suggestRequest.addField("field1");
 * suggestRequest.addKind("kind1");
 * suggestRequest.addLang("en");
 * suggestRequest.setSuggestDetail(true);
 * suggestRequest.setReadingConverter(new MyReadingConverter());

            stream(langs).of(stream -> stream.forEach(builder::addLang));

            stream(parameter.getTags()).of(stream -> stream.forEach(builder::addTag));
            final String key = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();
            if (StringUtil.isNotBlank(key)) {
                builder.addTag(key);
            }

            builder.addKind(SuggestItem.Kind.USER.toString());

    public void test_setSize() {
        request.setSize(5);
        request.setSize(100);
        request.setSize(1);
    }

    @Test
    public void test_addTag() {
        request.addTag("tag1");
        request.addTag("tag2");
    }

    @Test
    public void test_addRole() {
        request.addRole("role1");
        request.addRole("role2");
    }

    @Test
    public void test_addField() {

                popularWordsRequestBuilder.setSeed(baseSeed);
                stream(baseTags).of(stream -> stream.forEach(tag -> popularWordsRequestBuilder.addTag(tag)));
                stream(baseRoles).of(stream -> stream.forEach(role -> popularWordsRequestBuilder.addRole(role)));