| /** |
| * 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 |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * 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.tez.hadoop.shim; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestHadoop25_26_27ShimProvider { |
| |
| @Test |
| public void testShimProvider() { |
| HadoopShim25_26_27Provider provider = new HadoopShim25_26_27Provider(); |
| Assert.assertNull(provider.createHadoopShim("foo", 2, 2)); |
| Assert.assertNull(provider.createHadoopShim("foo", 2, 1)); |
| Assert.assertNull(provider.createHadoopShim("foo", 2, 3)); |
| Assert.assertNull(provider.createHadoopShim("foo", 2, 8)); |
| Assert.assertNull(provider.createHadoopShim("foo", 3, 3)); |
| Assert.assertNotNull(provider.createHadoopShim("foo", 2, 5)); |
| Assert.assertNotNull(provider.createHadoopShim("foo", 2, 6)); |
| Assert.assertNotNull(provider.createHadoopShim("foo", 2, 7)); |
| |
| Assert.assertEquals(HadoopShim27.class, |
| provider.createHadoopShim("foo", 2, 7).getClass()); |
| } |
| |
| @Test |
| public void testLoaderOverride() { |
| Configuration conf = new Configuration(false); |
| // Set shim and version to ensure that hadoop version from the build does not create |
| // a mismatch |
| conf.set(HadoopShimsLoader.TEZ_HADOOP_SHIM_PROVIDER_CLASS, |
| HadoopShim25_26_27Provider.class.getName()); |
| conf.set(HadoopShimsLoader.TEZ_HADOOP_SHIM_HADOOP_VERSION_OVERRIDE, "2.7.0"); |
| HadoopShimsLoader loader = new HadoopShimsLoader(conf, true); |
| HadoopShim shim = loader.getHadoopShim(); |
| Assert.assertNotNull(shim); |
| Assert.assertEquals(HadoopShim27.class, shim.getClass()); |
| } |
| |
| @Test |
| public void testInvalidVersion() { |
| Configuration conf = new Configuration(false); |
| // Set incompatible version so that shim in this module does not match |
| conf.set(HadoopShimsLoader.TEZ_HADOOP_SHIM_HADOOP_VERSION_OVERRIDE, "2.9.0"); |
| HadoopShimsLoader loader = new HadoopShimsLoader(conf, true); |
| HadoopShim shim = loader.getHadoopShim(); |
| Assert.assertNotNull(shim); |
| Assert.assertEquals(DefaultHadoopShim.class, shim.getClass()); |
| } |
| |
| @Test |
| public void testLoaderOverrideInvalidVersion() { |
| Configuration conf = new Configuration(false); |
| // Set incompatible version so that override shim does not return a valid shim |
| conf.set(HadoopShimsLoader.TEZ_HADOOP_SHIM_PROVIDER_CLASS, |
| HadoopShim25_26_27Provider.class.getName()); |
| conf.set(HadoopShimsLoader.TEZ_HADOOP_SHIM_HADOOP_VERSION_OVERRIDE, "2.1.0"); |
| HadoopShimsLoader loader = new HadoopShimsLoader(conf, true); |
| HadoopShim shim = loader.getHadoopShim(); |
| Assert.assertNotNull(shim); |
| Assert.assertEquals(DefaultHadoopShim.class, shim.getClass()); |
| } |
| |
| } |