| /** |
| * 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.mapreduce; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.UnsupportedFileSystemException; |
| import org.apache.hadoop.mapred.LocalJobRunner; |
| import org.apache.hadoop.mapred.YARNRunner; |
| import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig; |
| import org.apache.hadoop.util.StringUtils; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class TestClientProtocolProviderImpls { |
| |
| @Test |
| public void testClusterWithLocalClientProvider() throws Exception { |
| Configuration conf = new Configuration(); |
| conf.set(MRConfig.FRAMEWORK_NAME, "local"); |
| Cluster cluster = new Cluster(conf); |
| assertTrue(cluster.getClient() instanceof LocalJobRunner); |
| cluster.close(); |
| } |
| |
| @Test |
| public void testClusterWithJTClientProvider() throws Exception { |
| Configuration conf = new Configuration(); |
| try { |
| conf.set(MRConfig.FRAMEWORK_NAME, "classic"); |
| conf.set(JTConfig.JT_IPC_ADDRESS, "local"); |
| new Cluster(conf); |
| fail("Cluster with classic Framework name should not use " |
| + "local JT address"); |
| } catch (IOException e) { |
| assertTrue(e.getMessage().contains( |
| "Cannot initialize Cluster. Please check")); |
| } |
| } |
| |
| @Test |
| public void testClusterWithYarnClientProvider() throws Exception { |
| Configuration conf = new Configuration(); |
| conf.set(MRConfig.FRAMEWORK_NAME, "yarn"); |
| Cluster cluster = new Cluster(conf); |
| assertTrue(cluster.getClient() instanceof YARNRunner); |
| cluster.close(); |
| } |
| |
| @Test |
| public void testClusterException() { |
| Configuration conf = new Configuration(); |
| try { |
| conf.set(MRConfig.FRAMEWORK_NAME, "incorrect"); |
| new Cluster(conf); |
| fail("Cluster should not be initialized with incorrect framework name"); |
| } catch (IOException e) { |
| assertTrue(e.getMessage().contains( |
| "Cannot initialize Cluster. Please check")); |
| } |
| } |
| |
| @Test |
| public void testClusterExceptionRootCause() throws Exception { |
| final Configuration conf = new Configuration(); |
| conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME); |
| conf.set(FileSystem.FS_DEFAULT_NAME_KEY, "nosuchfs:///"); |
| conf.set(JTConfig.JT_IPC_ADDRESS, "local"); |
| try { |
| new Cluster(conf); |
| fail("Cluster init should fail because of non-existing FileSystem"); |
| } catch (IOException ioEx) { |
| final String stackTrace = StringUtils.stringifyException(ioEx); |
| assertTrue("No root cause detected", |
| stackTrace.contains(UnsupportedFileSystemException.class.getName()) |
| && stackTrace.contains("nosuchfs")); |
| } |
| } |
| } |