/*
* 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.giraph;
import org.apache.giraph.conf.GiraphConfiguration;
import org.apache.giraph.counters.GiraphHadoopCounter;
import org.apache.giraph.counters.GiraphStats;
import org.apache.giraph.examples.SimplePageRankComputation.SimplePageRankVertexInputFormat;
import org.apache.giraph.examples.SimplePageRankComputation.SimplePageRankVertexOutputFormat;
import org.apache.giraph.graph.BasicComputation;
import org.apache.giraph.graph.Vertex;
import org.apache.giraph.job.GiraphJob;
import org.apache.hadoop.io.DoubleWritable;
import org.apache.hadoop.io.FloatWritable;
import org.apache.hadoop.io.LongWritable;
import org.junit.Test;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Unit test for testing max superstep feature of Giraph
*/
public class TestMaxSuperstep extends BspCase {
public TestMaxSuperstep() {
super(TestMaxSuperstep.class.getName());
}
/**
* Simple test vertex class that will run forever (voteToHalt is never
* called).
*/
public static class InfiniteLoopComputation extends BasicComputation<
LongWritable, DoubleWritable, FloatWritable, DoubleWritable> {
@Override
public void compute(
Vertex<LongWritable, DoubleWritable, FloatWritable> vertex,
Iterable<DoubleWritable> messages) throws IOException {
}
}
/**
* Run a job that tests that this job completes in the desired number of
* supersteps
*
* @throws java.io.IOException
* @throws ClassNotFoundException
* @throws InterruptedException
*/
@Test
public void testMaxSuperstep()
throws IOException, InterruptedException, ClassNotFoundException {
GiraphConfiguration conf = new GiraphConfiguration();
conf.setComputationClass(InfiniteLoopComputation.class);
conf.setVertexInputFormatClass(SimplePageRankVertexInputFormat.class);
conf.setVertexOutputFormatClass(SimplePageRankVertexOutputFormat.class);
GiraphJob job = prepareJob(getCallingMethodName(), conf,
getTempPath(getCallingMethodName()));
job.getConfiguration().setMaxNumberOfSupersteps(3);
assertTrue(job.run(true));
if (!runningInDistributedMode()) {
GiraphHadoopCounter superstepCounter =
GiraphStats.getInstance().getSuperstepCounter();
assertEquals(superstepCounter.getValue(), 3L);
}
}
}