/*
* 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.flink.compiler;
import static org.junit.Assert.fail;
import org.apache.flink.api.common.Plan;
import org.apache.flink.api.java.record.operators.FileDataSink;
import org.apache.flink.api.java.record.operators.FileDataSource;
import org.apache.flink.api.java.record.operators.ReduceOperator;
import org.apache.flink.compiler.CompilerException;
import org.apache.flink.compiler.plan.OptimizedPlan;
import org.apache.flink.compiler.plantranslate.NepheleJobGraphGenerator;
import org.apache.flink.compiler.util.DummyInputFormat;
import org.apache.flink.compiler.util.DummyOutputFormat;
import org.apache.flink.compiler.util.IdentityReduce;
import org.junit.Test;
/**
* This test case has been created to validate a bug that occurred when
* the ReduceOperator was used without a grouping key.
*/
@SuppressWarnings({"serial", "deprecation"})
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");
}
}
}