| /* |
| * 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 |
| * |
| * https://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.avro.mapred.tether; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.FileInputFormat; |
| import org.apache.hadoop.mapred.FileOutputFormat; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.apache.avro.file.DataFileStream; |
| import org.apache.avro.io.DatumReader; |
| import org.apache.avro.mapred.AvroJob; |
| import org.apache.avro.mapred.WordCountUtil; |
| import org.apache.avro.mapred.Pair; |
| import org.apache.avro.Schema; |
| import org.apache.avro.util.Utf8; |
| import org.apache.avro.specific.SpecificDatumReader; |
| import org.junit.rules.TemporaryFolder; |
| |
| /** |
| * See also TestTetherTool for an example of how to submit jobs using the |
| * thether tool. |
| */ |
| public class TestWordCountTether { |
| |
| @Rule |
| public TemporaryFolder INPUT_DIR = new TemporaryFolder(); |
| |
| @Rule |
| public TemporaryFolder OUTPUT_DIR = new TemporaryFolder(); |
| |
| /** |
| * Run a job using the given transport protocol |
| * |
| * @param proto |
| */ |
| private void _runjob(String proto) throws Exception { |
| String outputPathStr = OUTPUT_DIR.getRoot().getPath(); |
| File inputPath = new File(INPUT_DIR.getRoot(), "lines.avro"); |
| |
| JobConf job = new JobConf(); |
| Path outputPath = new Path(outputPathStr); |
| |
| outputPath.getFileSystem(job).delete(outputPath, true); |
| |
| // create the input file |
| WordCountUtil.writeLinesFile(inputPath); |
| |
| File exec = new File(System.getProperty("java.home") + "/bin/java"); |
| |
| // create a string of the arguments |
| List<String> execargs = new ArrayList<>(); |
| execargs.add("-classpath"); |
| execargs.add(System.getProperty("java.class.path")); |
| execargs.add("org.apache.avro.mapred.tether.WordCountTask"); |
| |
| FileInputFormat.addInputPaths(job, inputPath.toString()); |
| FileOutputFormat.setOutputPath(job, outputPath); |
| TetherJob.setExecutable(job, exec, execargs, false); |
| |
| Schema outscheme = new Pair<Utf8, Long>(new Utf8(""), 0L).getSchema(); |
| AvroJob.setInputSchema(job, Schema.create(Schema.Type.STRING)); |
| job.set(AvroJob.OUTPUT_SCHEMA, outscheme.toString()); |
| |
| TetherJob.setProtocol(job, proto); |
| TetherJob.runJob(job); |
| |
| // validate the output |
| DatumReader<Pair<Utf8, Long>> reader = new SpecificDatumReader<>(); |
| DataFileStream<Pair<Utf8, Long>> counts = new DataFileStream<>( |
| new BufferedInputStream(new FileInputStream(outputPath + "/part-00000.avro")), reader); |
| int numWords = 0; |
| for (Pair<Utf8, Long> wc : counts) { |
| assertEquals(wc.key().toString(), WordCountUtil.COUNTS.get(wc.key().toString()), wc.value()); |
| numWords++; |
| } |
| |
| counts.close(); |
| assertEquals(WordCountUtil.COUNTS.size(), numWords); |
| |
| } |
| |
| /** |
| * Test the job using the sasl protocol |
| * |
| * @throws Exception |
| */ |
| @Test |
| @SuppressWarnings("deprecation") |
| public void testJob() throws Exception { |
| _runjob("sasl"); |
| } |
| |
| /** |
| * Test the job using the http protocol |
| * |
| * @throws Exception |
| */ |
| @Test |
| @SuppressWarnings("deprecation") |
| public void testhtp() throws Exception { |
| _runjob("http"); |
| } |
| } |