| /* |
| * * |
| * 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.yarn.server.nodemanager.containermanager.linux.resources; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.server.nodemanager.Context; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| |
| import static org.mockito.Mockito.mock; |
| |
| public class TestResourceHandlerModule { |
| private static final Logger LOG = |
| LoggerFactory.getLogger(TestResourceHandlerModule.class); |
| Configuration emptyConf; |
| Configuration networkEnabledConf; |
| |
| @Before |
| public void setup() throws Exception { |
| emptyConf = new YarnConfiguration(); |
| networkEnabledConf = new YarnConfiguration(); |
| |
| networkEnabledConf.setBoolean(YarnConfiguration.NM_NETWORK_RESOURCE_ENABLED, |
| true); |
| ResourceHandlerModule.nullifyResourceHandlerChain(); |
| } |
| |
| @Test |
| public void testOutboundBandwidthHandler() { |
| try { |
| //This resourceHandler should be non-null only if network as a resource |
| //is explicitly enabled |
| OutboundBandwidthResourceHandler resourceHandler = ResourceHandlerModule |
| .getOutboundBandwidthResourceHandler(emptyConf); |
| Assert.assertNull(resourceHandler); |
| |
| //When network as a resource is enabled this should be non-null |
| resourceHandler = ResourceHandlerModule |
| .getOutboundBandwidthResourceHandler(networkEnabledConf); |
| Assert.assertNotNull(resourceHandler); |
| |
| //Ensure that outbound bandwidth resource handler is present in the chain |
| ResourceHandlerChain resourceHandlerChain = ResourceHandlerModule |
| .getConfiguredResourceHandlerChain(networkEnabledConf, mock(Context.class)); |
| List<ResourceHandler> resourceHandlers = resourceHandlerChain |
| .getResourceHandlerList(); |
| //Exactly one resource handler in chain |
| Assert.assertEquals(resourceHandlers.size(), 1); |
| //Same instance is expected to be in the chain. |
| Assert.assertTrue(resourceHandlers.get(0) == resourceHandler); |
| } catch (ResourceHandlerException e) { |
| Assert.fail("Unexpected ResourceHandlerException: " + e); |
| } |
| } |
| |
| @Test |
| public void testDiskResourceHandler() throws Exception { |
| |
| DiskResourceHandler handler = |
| ResourceHandlerModule.getDiskResourceHandler(emptyConf); |
| Assert.assertNull(handler); |
| |
| Configuration diskConf = new YarnConfiguration(); |
| diskConf.setBoolean(YarnConfiguration.NM_DISK_RESOURCE_ENABLED, true); |
| |
| handler = ResourceHandlerModule.getDiskResourceHandler(diskConf); |
| Assert.assertNotNull(handler); |
| |
| ResourceHandlerChain resourceHandlerChain = |
| ResourceHandlerModule.getConfiguredResourceHandlerChain(diskConf, |
| mock(Context.class)); |
| List<ResourceHandler> resourceHandlers = |
| resourceHandlerChain.getResourceHandlerList(); |
| // Exactly one resource handler in chain |
| Assert.assertEquals(resourceHandlers.size(), 1); |
| // Same instance is expected to be in the chain. |
| Assert.assertTrue(resourceHandlers.get(0) == handler); |
| } |
| } |