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* 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.apache.pig.ExecType.LOCAL;
import static org.apache.pig.ExecType.MAPREDUCE;
import java.io.IOException;
import java.util.Properties;
import junit.framework.TestCase;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.pig.PigServer;
import org.apache.pig.ExecType;
import org.apache.pig.backend.executionengine.ExecException;
import org.apache.pig.backend.hadoop.datastorage.ConfigurationUtil;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class TestParser extends TestCase {
protected final Log log = LogFactory.getLog(getClass());
protected ExecType execType = MAPREDUCE;
private static MiniCluster cluster;
protected PigServer pigServer;
@Before
@Override
public void setUp() throws Exception {
String execTypeString = System.getProperty("test.exectype");
if(execTypeString!=null && execTypeString.length()>0){
execType = PigServer.parseExecType(execTypeString);
}
if(execType == MAPREDUCE) {
cluster = MiniCluster.buildCluster();
pigServer = new PigServer(MAPREDUCE, cluster.getProperties());
} else {
pigServer = new PigServer(LOCAL);
}
}
@After
public void tearDown() throws Exception {
pigServer.shutdown();
}
@AfterClass
public static void oneTimeTearDown() throws Exception {
if(cluster != null)
cluster.shutDown();
}
@Test
public void testLoadingNonexistentFile() throws ExecException, IOException {
try {
// FIXME : this should be tested in all modes
if(execType == ExecType.LOCAL)
return;
pigServer.registerQuery("vals = load 'nonexistentfile';");
pigServer.openIterator("vals");
fail("Loading a nonexistent file should throw an IOException at parse time");
} catch (IOException io) {
}
}
@Test
public void testRemoteServerList() throws ExecException, IOException {
try {
Properties pigProperties = pigServer.getPigContext().getProperties();
pigProperties.setProperty("fs.default.name", "hdfs://a.com:8020");
Configuration conf;
pigServer.registerQuery("a = load '/user/pig/1.txt';");
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")==null||
conf.get("mapreduce.job.hdfs-servers").equals("hdfs://a.com:8020"));
pigServer.registerQuery("a = load 'hdfs://a.com/user/pig/1.txt';");
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(pigProperties.getProperty("mapreduce.job.hdfs-servers")==null||
conf.get("mapreduce.job.hdfs-servers").equals("hdfs://a.com:8020"));
pigServer.registerQuery("a = load 'har:///1.txt';");
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(pigProperties.getProperty("mapreduce.job.hdfs-servers")==null||
conf.get("mapreduce.job.hdfs-servers").equals("hdfs://a.com:8020"));
pigServer.registerQuery("a = load 'hdfs://b.com/user/pig/1.txt';");
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")!=null &&
conf.get("mapreduce.job.hdfs-servers").contains("hdfs://b.com"));
pigServer.registerQuery("a = load 'har://hdfs-c.com/user/pig/1.txt';");
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")!=null &&
conf.get("mapreduce.job.hdfs-servers").contains("hdfs://c.com"));
pigServer.registerQuery("a = load 'hdfs://d.com:8020/user/pig/1.txt';");
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")!=null &&
conf.get("mapreduce.job.hdfs-servers").contains("hdfs://d.com:8020"));
} catch (IOException io) {
}
}
@Test
public void testRemoteServerList2() throws ExecException, IOException {
try {
Properties pigProperties = pigServer.getPigContext().getProperties();
pigProperties.setProperty("fs.default.name", "hdfs://a.com:8020");
Configuration conf;
pigServer.setBatchOn();
pigServer.registerQuery("a = load '/user/pig/1.txt';");
pigServer.registerQuery("store a into '/user/pig/1.txt';");
System.out.println("hdfs-servers: " + pigProperties.getProperty("mapreduce.job.hdfs-servers"));
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")==null||
conf.get("mapreduce.job.hdfs-servers").equals("hdfs://a.com:8020"));
pigServer.registerQuery("store a into 'hdfs://b.com/user/pig/1.txt';");
System.out.println("hdfs-servers: " + pigProperties.getProperty("mapreduce.job.hdfs-servers"));
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")!=null &&
conf.get("mapreduce.job.hdfs-servers").contains("hdfs://b.com"));
pigServer.registerQuery("store a into 'har://hdfs-c.com:8020/user/pig/1.txt';");
System.out.println("hdfs-servers: " + pigProperties.getProperty("mapreduce.job.hdfs-servers"));
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")!=null &&
conf.get("mapreduce.job.hdfs-servers").contains("hdfs://c.com:8020"));
pigServer.registerQuery("store a into 'hdfs://d.com:8020/user/pig/1.txt';");
System.out.println("hdfs-servers: " + pigProperties.getProperty("mapreduce.job.hdfs-servers"));
conf = ConfigurationUtil.toConfiguration(pigProperties);
assertTrue(conf.get("mapreduce.job.hdfs-servers")!=null &&
conf.get("mapreduce.job.hdfs-servers").contains("hdfs://d.com:8020"));
} catch (IOException io) {
fail(io.getMessage());
}
}
}