@Test
public void testJsonToMap() {

	String jsonStr = "{\"username\":\"admin\",\"password\":\"admin\",\"fs.default.name\":\"defaultnamevalue\",\"hadoop.security.authorization\":\"authvalue\",\"hadoop.security.authentication\":\"authenticationvalue\",\"hadoop.security.auth_to_local\":\"localvalue\",\"dfs.datanode.kerberos.principal\":\"principalvalue\",\"dfs.namenode.kerberos.principal\":\"namenodeprincipalvalue\",\"dfs.secondary.namenode.kerberos.principal\":\"secprincipalvalue\",\"commonNameForCertificate\":\"certificatevalue\"}";
	Map<String, String> dbMap = jsonUtil.jsonToMap(jsonStr);
    Assert.assertNotNull(dbMap);
}