flink-optimizer/src/test/java/org/apache/flink/optimizer/DisjointDataFlowsTest.java

/*
 * 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
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 */

package org.apache.flink.optimizer;

import static org.junit.Assert.*;

import org.apache.flink.api.common.Plan;
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.util.CompilerTestBase;
import org.junit.Test;

@SuppressWarnings("serial")
public class DisjointDataFlowsTest extends CompilerTestBase {

	@Test
	public void testDisjointFlows() {
		try {
			ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
			
			// generate two different flows
			env.generateSequence(1, 10)
					.output(new DiscardingOutputFormat<Long>());
			env.generateSequence(1, 10)
					.output(new DiscardingOutputFormat<Long>());
			
			Plan p = env.createProgramPlan();
			OptimizedPlan op = compileNoStats(p);
			
			new JobGraphGenerator().compileJobGraph(op);
		}
		catch (Exception e) {
			e.printStackTrace();
			fail(e.getMessage());
		}
	}
}