| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.metrics2.sink.ganglia; |
| |
| import org.apache.commons.configuration.SubsetConfiguration; |
| import org.apache.hadoop.metrics2.impl.ConfigBuilder; |
| import org.junit.Test; |
| |
| import java.net.DatagramSocket; |
| import java.net.MulticastSocket; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| public class TestGangliaSink { |
| @Test |
| public void testShouldCreateDatagramSocketByDefault() throws Exception { |
| SubsetConfiguration conf = new ConfigBuilder() |
| .subset("test.sink.ganglia"); |
| |
| GangliaSink30 gangliaSink = new GangliaSink30(); |
| gangliaSink.init(conf); |
| DatagramSocket socket = gangliaSink.getDatagramSocket(); |
| assertFalse("Did not create DatagramSocket", socket == null || socket instanceof MulticastSocket); |
| } |
| |
| @Test |
| public void testShouldCreateDatagramSocketIfMulticastIsDisabled() throws Exception { |
| SubsetConfiguration conf = new ConfigBuilder() |
| .add("test.sink.ganglia.multicast", false) |
| .subset("test.sink.ganglia"); |
| GangliaSink30 gangliaSink = new GangliaSink30(); |
| gangliaSink.init(conf); |
| DatagramSocket socket = gangliaSink.getDatagramSocket(); |
| assertFalse("Did not create DatagramSocket", socket == null || socket instanceof MulticastSocket); |
| } |
| |
| @Test |
| public void testShouldCreateMulticastSocket() throws Exception { |
| SubsetConfiguration conf = new ConfigBuilder() |
| .add("test.sink.ganglia.multicast", true) |
| .subset("test.sink.ganglia"); |
| GangliaSink30 gangliaSink = new GangliaSink30(); |
| gangliaSink.init(conf); |
| DatagramSocket socket = gangliaSink.getDatagramSocket(); |
| assertTrue("Did not create MulticastSocket", socket != null && socket instanceof MulticastSocket); |
| int ttl = ((MulticastSocket) socket).getTimeToLive(); |
| assertEquals("Did not set default TTL", 1, ttl); |
| } |
| |
| @Test |
| public void testShouldSetMulticastSocketTtl() throws Exception { |
| SubsetConfiguration conf = new ConfigBuilder() |
| .add("test.sink.ganglia.multicast", true) |
| .add("test.sink.ganglia.multicast.ttl", 3) |
| .subset("test.sink.ganglia"); |
| GangliaSink30 gangliaSink = new GangliaSink30(); |
| gangliaSink.init(conf); |
| DatagramSocket socket = gangliaSink.getDatagramSocket(); |
| assertTrue("Did not create MulticastSocket", socket != null && socket instanceof MulticastSocket); |
| int ttl = ((MulticastSocket) socket).getTimeToLive(); |
| assertEquals("Did not set TTL", 3, ttl); |
| } |
| } |