/*
* 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.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.Reporter;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.Reducer;
import junit.framework.TestCase;
import java.io.IOException;
/**
* Tests that settings related to the Demux mapper do what they should.
*/
public class TestDemuxReducerConfigs extends TestCase {
public static String SAMPLE_RECORD_DATA = "sampleRecordData";
public void testSetDefaultReducerProcessor() throws IOException {
Reducer<ChukwaRecordKey, ChukwaRecord, ChukwaRecordKey, ChukwaRecord> reducer =
new Demux.ReduceClass();
JobConf conf = new JobConf();
conf.set("chukwa.demux.reducer.default.processor", ",org.apache.hadoop.chukwa.extraction.demux.processor.reducer" +
".MockReduceProcessor");
reducer.configure(conf);
ChukwaRecordKey key = new ChukwaRecordKey("someReduceType", "someKey");
ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord> output =
new ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord>();
reducer.reduce(key, null, output, Reporter.NULL);
assertEquals("MockReduceProcessor never invoked - no records found", 1, output.data.size());
assertNotNull("MockReduceProcessor never invoked", output.data.get(key));
assertEquals("MockReduceProcessor never invoked - key value incorrect",
"MockReduceProcessorValue",
output.data.get(key).getValue("MockReduceProcessorKey"));
}
public void testSetCustomReducerProcessor() throws IOException {
Reducer<ChukwaRecordKey, ChukwaRecord, ChukwaRecordKey, ChukwaRecord> reducer =
new Demux.ReduceClass();
JobConf conf = new JobConf();
String cus_reduceType = "someReduceType";
conf.set(cus_reduceType, ",org.apache.hadoop.chukwa.extraction.demux.processor.reducer" +
".MockReduceProcessor");
reducer.configure(conf);
ChukwaRecordKey key = new ChukwaRecordKey(cus_reduceType, "someKey");
ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord> output =
new ChukwaTestOutputCollector<ChukwaRecordKey, ChukwaRecord>();
reducer.reduce(key, null, output, Reporter.NULL);
assertEquals("MockReduceProcessor never invoked - no records found", 1, output.data.size());
assertNotNull("MockReduceProcessor never invoked", output.data.get(key));
assertEquals("MockReduceProcessor never invoked - key value incorrect",
"MockReduceProcessorValue",
output.data.get(key).getValue("MockReduceProcessorKey"));
}
}