| /** |
| * 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.metrics.ganglia; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.hadoop.metrics.ContextFactory; |
| import org.apache.hadoop.metrics.spi.AbstractMetricsContext; |
| |
| import java.net.MulticastSocket; |
| |
| @Deprecated |
| public class TestGangliaContext { |
| @Test |
| public void testShouldCreateDatagramSocketByDefault() throws Exception { |
| GangliaContext context = new GangliaContext(); |
| context.init("gangliaContext", ContextFactory.getFactory()); |
| assertFalse("Created MulticastSocket", context.datagramSocket instanceof MulticastSocket); |
| } |
| |
| @Test |
| public void testShouldCreateDatagramSocketIfMulticastIsDisabled() throws Exception { |
| GangliaContext context = new GangliaContext(); |
| ContextFactory factory = ContextFactory.getFactory(); |
| factory.setAttribute("gangliaContext.multicast", "false"); |
| context.init("gangliaContext", factory); |
| assertFalse("Created MulticastSocket", context.datagramSocket instanceof MulticastSocket); |
| } |
| |
| @Test |
| public void testShouldCreateMulticastSocket() throws Exception { |
| GangliaContext context = new GangliaContext(); |
| ContextFactory factory = ContextFactory.getFactory(); |
| factory.setAttribute("gangliaContext.multicast", "true"); |
| context.init("gangliaContext", factory); |
| assertTrue("Did not create MulticastSocket", context.datagramSocket instanceof MulticastSocket); |
| MulticastSocket multicastSocket = (MulticastSocket) context.datagramSocket; |
| assertEquals("Did not set default TTL", multicastSocket.getTimeToLive(), 1); |
| } |
| |
| @Test |
| public void testShouldSetMulticastSocketTtl() throws Exception { |
| GangliaContext context = new GangliaContext(); |
| ContextFactory factory = ContextFactory.getFactory(); |
| factory.setAttribute("gangliaContext.multicast", "true"); |
| factory.setAttribute("gangliaContext.multicast.ttl", "10"); |
| context.init("gangliaContext", factory); |
| MulticastSocket multicastSocket = (MulticastSocket) context.datagramSocket; |
| assertEquals("Did not set TTL", multicastSocket.getTimeToLive(), 10); |
| } |
| |
| @Test |
| public void testCloseShouldCloseTheSocketWhichIsCreatedByInit() throws Exception { |
| AbstractMetricsContext context=new GangliaContext(); |
| context.init("gangliaContext", ContextFactory.getFactory()); |
| GangliaContext gangliaContext =(GangliaContext) context; |
| assertFalse("Socket already closed",gangliaContext.datagramSocket.isClosed()); |
| context.close(); |
| assertTrue("Socket not closed",gangliaContext.datagramSocket.isClosed()); |
| } |
| } |