| /** |
| * 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.net; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import junit.framework.TestCase; |
| import org.junit.Test; |
| |
| public class TestScriptBasedMappingWithDependency extends TestCase { |
| |
| |
| public TestScriptBasedMappingWithDependency() { |
| |
| } |
| |
| @Test |
| public void testNoArgsMeansNoResult() { |
| Configuration conf = new Configuration(); |
| conf.setInt(ScriptBasedMapping.SCRIPT_ARG_COUNT_KEY, |
| ScriptBasedMapping.MIN_ALLOWABLE_ARGS - 1); |
| conf.set(ScriptBasedMapping.SCRIPT_FILENAME_KEY, "any-filename-1"); |
| conf.set(ScriptBasedMappingWithDependency.DEPENDENCY_SCRIPT_FILENAME_KEY, |
| "any-filename-2"); |
| conf.setInt(ScriptBasedMapping.SCRIPT_ARG_COUNT_KEY, 10); |
| |
| ScriptBasedMappingWithDependency mapping = createMapping(conf); |
| List<String> names = new ArrayList<String>(); |
| names.add("some.machine.name"); |
| names.add("other.machine.name"); |
| List<String> result = mapping.resolve(names); |
| assertNull("Expected an empty list for resolve", result); |
| result = mapping.getDependency("some.machine.name"); |
| assertNull("Expected an empty list for getDependency", result); |
| } |
| |
| @Test |
| public void testNoFilenameMeansSingleSwitch() throws Throwable { |
| Configuration conf = new Configuration(); |
| ScriptBasedMapping mapping = createMapping(conf); |
| assertTrue("Expected to be single switch", mapping.isSingleSwitch()); |
| assertTrue("Expected to be single switch", |
| AbstractDNSToSwitchMapping.isMappingSingleSwitch(mapping)); |
| } |
| |
| @Test |
| public void testFilenameMeansMultiSwitch() throws Throwable { |
| Configuration conf = new Configuration(); |
| conf.set(ScriptBasedMapping.SCRIPT_FILENAME_KEY, "any-filename"); |
| ScriptBasedMapping mapping = createMapping(conf); |
| assertFalse("Expected to be multi switch", mapping.isSingleSwitch()); |
| mapping.setConf(new Configuration()); |
| assertTrue("Expected to be single switch", mapping.isSingleSwitch()); |
| } |
| |
| @Test |
| public void testNullConfig() throws Throwable { |
| ScriptBasedMapping mapping = createMapping(null); |
| assertTrue("Expected to be single switch", mapping.isSingleSwitch()); |
| } |
| |
| private ScriptBasedMappingWithDependency createMapping(Configuration conf) { |
| ScriptBasedMappingWithDependency mapping = |
| new ScriptBasedMappingWithDependency(); |
| mapping.setConf(conf); |
| return mapping; |
| } |
| } |