logger.info(message);
    }

    /**
     * Get the client IP.
     * @return The client IP.
     */
    protected String getClientIp() {
        return LaRequestUtil.getOptionalRequest().map(req -> ComponentUtil.getViewHelper().getClientIp(req)).orElse("-");
    }

    /**
     * The action.
     */
    protected enum Action {
        /**
         * The login action.
         */

            }

            @Override
            protected void printLog(final String message) {
                localLogMsg.set(message);
            }

            @Override
            protected String getClientIp() {
                return StringUtil.EMPTY;
            }
        };
    }

    @Test
    public void test_login() {
        activityHelper.useEcsFormat = false;

        final HttpServletRequest request = LaRequestUtil.getOptionalRequest().orElse(null);
        final String clientIp = request != null ? ComponentUtil.getViewHelper().getClientIp(request) : null;
        final String virtualHostKey = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();

        return new SearchLogContext(fessConfig, roles, userCode, userId, request, clientIp, virtualHostKey);

        viewHelper.init();

        getMockRequest().addHeader("x-forwarded-for", "192.168.1.1");
        assertEquals("192.168.1.1", viewHelper.getClientIp(getMockRequest()));

        getMockRequest().setRemoteAddr("127.0.0.1");
        assertNotNull(viewHelper.getClientIp(getMockRequest()));
    }

    @Test
    public void test_createHighlightText() {
        ViewHelper viewHelper = new ViewHelper();

        assertEquals("test query", searchLog.getSearchWord());
        assertEquals("test-query-id", searchLog.getQueryId());
        assertEquals("127.0.0.1", searchLog.getClientIp());
        assertNull(searchLog.getVirtualHost());
    }

    private static class TestableSearchLogHelper extends SearchLogHelper {
        private SearchLogContext testContext;

        @Override