@Test
public void testConfigureFactory_nullIp() throws Exception {

	ConnectionFactory factory = new ConnectionFactory();
	String username = "toto";
	String password= "123456789";
	Map<String,String> configuration = new HashMap<> ();
	configuration.put( RABBITMQ_SERVER_IP, null );
	configuration.put( RABBITMQ_SERVER_USERNAME, username );
	configuration.put( RABBITMQ_SERVER_PASSWORD, password );
	RabbitMqUtils.configureFactory( factory, configuration );
	Assert.assertEquals( username, factory.getUsername());
	Assert.assertEquals( password, factory.getPassword());
}