| /* |
| * 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.pig.test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.pig.ExecType; |
| import org.apache.pig.backend.executionengine.ExecException; |
| import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRConfiguration; |
| import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRExecutionEngine; |
| import org.apache.pig.impl.PigContext; |
| import org.junit.Test; |
| |
| |
| public class TestMRExecutionEngine { |
| |
| @Test(expected = ExecException.class) |
| public void testJobConfGeneration() throws ExecException { |
| Configuration conf = new Configuration(false); |
| conf.set("foo", "bar"); |
| PigContext pigContext = new PigContext(ExecType.MAPREDUCE, conf); |
| // This should fail as pig expects Hadoop configs are present in |
| // classpath. |
| pigContext.connect(); |
| } |
| |
| @Test |
| public void testJobConfGenerationWithUserConfigs() throws ExecException { |
| Configuration conf = new Configuration(false); |
| // This property allows Pig to depend on user Configuration |
| // and not the classpath |
| conf.set("pig.use.overriden.hadoop.configs", "true"); |
| conf.set(MRConfiguration.JOB_TRACKER, "host:12345"); |
| conf.set("apache", "pig"); |
| PigContext pigContext = new PigContext(ExecType.MAPREDUCE, conf); |
| pigContext.connect(); |
| JobConf jc = ((MRExecutionEngine)pigContext.getExecutionEngine()).getJobConf(); |
| assertEquals(jc.get(MRConfiguration.JOB_TRACKER), "host:12345"); |
| assertEquals(jc.get("apache"), "pig"); |
| } |
| } |