/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed 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 eu.stratosphere.pact.compiler;
import static org.junit.Assert.fail;
import org.junit.Test;
import eu.stratosphere.api.common.Plan;
import eu.stratosphere.api.java.record.operators.FileDataSink;
import eu.stratosphere.api.java.record.operators.FileDataSource;
import eu.stratosphere.api.java.record.operators.ReduceOperator;
import eu.stratosphere.compiler.CompilerException;
import eu.stratosphere.compiler.plan.OptimizedPlan;
import eu.stratosphere.compiler.plantranslate.NepheleJobGraphGenerator;
import eu.stratosphere.pact.compiler.util.DummyInputFormat;
import eu.stratosphere.pact.compiler.util.DummyOutputFormat;
import eu.stratosphere.pact.compiler.util.IdentityReduce;
/**
* This test case has been created to validate a bug that occurred when
* the ReduceOperator was used without a grouping key.
*/
@SuppressWarnings("serial")
public class ReduceAllTest extends CompilerTestBase {
@Test
public void testReduce() {
// construct the plan
FileDataSource source = new FileDataSource(new DummyInputFormat(), IN_FILE, "Source");
ReduceOperator reduce1 = ReduceOperator.builder(new IdentityReduce()).name("Reduce1").input(source).build();
FileDataSink sink = new FileDataSink(new DummyOutputFormat(), OUT_FILE, "Sink");
sink.setInput(reduce1);
Plan plan = new Plan(sink, "AllReduce Test");
plan.setDefaultParallelism(DEFAULT_PARALLELISM);
try {
OptimizedPlan oPlan = compileNoStats(plan);
NepheleJobGraphGenerator jobGen = new NepheleJobGraphGenerator();
jobGen.compileJobGraph(oPlan);
} catch(CompilerException ce) {
ce.printStackTrace();
fail("The pact compiler is unable to compile this plan correctly");
}
}
}