/*
* 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.chukwa.extraction.demux;
import org.apache.hadoop.chukwa.ChukwaArchiveKey;
import org.apache.hadoop.chukwa.ChunkImpl;
import org.apache.hadoop.chukwa.ChunkBuilder;
import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecordKey;
import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecord;
import org.apache.hadoop.chukwa.extraction.demux.processor.mapper.ChukwaTestOutputCollector;
import org.apache.hadoop.mapred.Mapper;
import org.apache.hadoop.mapred.Reporter;
import org.apache.hadoop.mapred.JobConf;
import junit.framework.TestCase;
import java.io.IOException;
/**
* Tests that settings related to the Demux mapper do what they should.
*/
public class TestDemuxMapperConfigs extends TestCase {
public static String SAMPLE_RECORD_DATA = "sampleRecordData";
public void testSetDefaultMapProcessor() throws IOException {
Mapper<ChukwaArchiveKey, ChunkImpl, ChukwaRecordKey, ChukwaRecord> mapper =
new Demux.MapClass();
JobConf conf = new JobConf();
conf.set("chukwa.demux.mapper.default.processor",
"org.apache.hadoop.chukwa.extraction.demux.processor.mapper.MockMapProcessor,");
mapper.configure(conf);
ChunkBuilder cb = new ChunkBuilder();
cb.addRecord(SAMPLE_RECORD_DATA.getBytes());
ChunkImpl chunk = (ChunkImpl)cb.getChunk();
ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord> output =
new ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord>();
mapper.map(new ChukwaArchiveKey(), chunk, output, Reporter.NULL);
ChukwaRecordKey recordKey = new ChukwaRecordKey("someReduceType", SAMPLE_RECORD_DATA);
assertEquals("MockMapProcessor never invoked - no records found", 1, output.data.size());
assertNotNull("MockMapProcessor never invoked", output.data.get(recordKey));
}
public void testSetCustomeMapProcessor() throws IOException {
Mapper<ChukwaArchiveKey, ChunkImpl, ChukwaRecordKey, ChukwaRecord> mapper =
new Demux.MapClass();
String custom_DataType = "cus_dt";
JobConf conf = new JobConf();
conf.set(custom_DataType,
"org.apache.hadoop.chukwa.extraction.demux.processor.mapper.MockMapProcessor,");
mapper.configure(conf);
ChunkBuilder cb = new ChunkBuilder();
cb.addRecord(SAMPLE_RECORD_DATA.getBytes());
ChunkImpl chunk = (ChunkImpl)cb.getChunk();
chunk.setDataType(custom_DataType);
ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord> output =
new ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord>();
mapper.map(new ChukwaArchiveKey(), chunk, output, Reporter.NULL);
ChukwaRecordKey recordKey = new ChukwaRecordKey("someReduceType", SAMPLE_RECORD_DATA);
assertEquals("MockMapProcessor never invoked - no records found", 1, output.data.size());
assertNotNull("MockMapProcessor never invoked", output.data.get(recordKey));
}
}