value = "ftp://123.123.123.123:9999/";
        ftpInfo = new FtpClient.FtpInfo(value, Constants.UTF_8);
        assertEquals(value, ftpInfo.toUrl());
        assertEquals("123.123.123.123:9999", ftpInfo.getCacheKey());
        assertEquals("123.123.123.123", ftpInfo.getHost());
        assertEquals(9999, ftpInfo.getPort());
        assertEquals("/", ftpInfo.getParent());
        assertNull(ftpInfo.getName());

         * This key can be used to cache FTP client connections.
         *
         * @return The cache key in format "host:port"
         */
        public String getCacheKey() {
            return getHost() + ":" + getPort();
        }

        /**
         * Gets the host name from the FTP URL.
         *
         * @return The host name
         */