| /* |
| * 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.optimizer; |
| |
| import static org.junit.Assert.fail; |
| |
| import org.apache.flink.api.common.Plan; |
| import org.apache.flink.api.java.DataSet; |
| import org.apache.flink.api.java.ExecutionEnvironment; |
| import org.apache.flink.api.java.io.DiscardingOutputFormat; |
| import org.apache.flink.optimizer.plan.OptimizedPlan; |
| import org.apache.flink.optimizer.plantranslate.JobGraphGenerator; |
| import org.apache.flink.optimizer.testfunctions.IdentityGroupReducer; |
| import org.apache.flink.optimizer.util.CompilerTestBase; |
| 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"}) |
| public class ReduceAllTest extends CompilerTestBase { |
| |
| @Test |
| public void testReduce() { |
| // construct the plan |
| ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| env.setParallelism(DEFAULT_PARALLELISM); |
| DataSet<Long> set1 = env.generateSequence(0,1); |
| |
| set1.reduceGroup(new IdentityGroupReducer<Long>()).name("Reduce1") |
| .output(new DiscardingOutputFormat<Long>()).name("Sink"); |
| |
| Plan plan = env.createProgramPlan(); |
| |
| try { |
| OptimizedPlan oPlan = compileNoStats(plan); |
| JobGraphGenerator jobGen = new JobGraphGenerator(); |
| jobGen.compileJobGraph(oPlan); |
| } catch(CompilerException ce) { |
| ce.printStackTrace(); |
| fail("The pact compiler is unable to compile this plan correctly"); |
| } |
| } |
| } |