/*
* 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.io;
import org.apache.giraph.BspCase;
import org.apache.giraph.benchmark.WeightedPageRankVertex;
import org.apache.giraph.conf.GiraphConfiguration;
import org.apache.giraph.io.formats.GiraphFileInputFormat;
import org.apache.giraph.io.formats.JsonBase64VertexInputFormat;
import org.apache.giraph.io.formats.JsonBase64VertexOutputFormat;
import org.apache.giraph.io.formats.PseudoRandomInputFormatConstants;
import org.apache.giraph.io.formats.PseudoRandomVertexInputFormat;
import org.apache.giraph.job.GiraphJob;
import org.apache.hadoop.fs.Path;
import org.junit.Test;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Test out the JsonBase64 format.
*/
public class TestJsonBase64Format extends BspCase {
/**
* Constructor.
*/
public TestJsonBase64Format() {
super(TestJsonBase64Format.class.getName());
}
/**
* Start a job and finish after i supersteps, then begin a new job and
* continue on more j supersteps. Check the results against a single job
* with i + j supersteps.
*
* @throws IOException
* @throws ClassNotFoundException
* @throws InterruptedException
*/
@Test
public void testContinue()
throws IOException, InterruptedException, ClassNotFoundException {
Path outputPath = getTempPath(getCallingMethodName());
GiraphConfiguration conf = new GiraphConfiguration();
conf.setVertexClass(WeightedPageRankVertex.class);
conf.setVertexInputFormatClass(PseudoRandomVertexInputFormat.class);
conf.setVertexOutputFormatClass(JsonBase64VertexOutputFormat.class);
GiraphJob job = prepareJob(getCallingMethodName(), conf, outputPath);
job.getConfiguration().setLong(
PseudoRandomInputFormatConstants.AGGREGATE_VERTICES, 101);
job.getConfiguration().setLong(
PseudoRandomInputFormatConstants.EDGES_PER_VERTEX, 2);
job.getConfiguration().setInt(WeightedPageRankVertex.SUPERSTEP_COUNT, 2);
assertTrue(job.run(true));
Path outputPath2 = getTempPath(getCallingMethodName() + "2");
conf = new GiraphConfiguration();
conf.setVertexClass(WeightedPageRankVertex.class);
conf.setVertexInputFormatClass(JsonBase64VertexInputFormat.class);
conf.setVertexOutputFormatClass(JsonBase64VertexOutputFormat.class);
job = prepareJob(getCallingMethodName(), conf, outputPath2);
job.getConfiguration().setInt(WeightedPageRankVertex.SUPERSTEP_COUNT, 3);
GiraphFileInputFormat.addVertexInputPath(
job.getInternalJob().getConfiguration(), outputPath);
assertTrue(job.run(true));
Path outputPath3 = getTempPath(getCallingMethodName() + "3");
conf = new GiraphConfiguration();
conf.setVertexClass(WeightedPageRankVertex.class);
conf.setVertexInputFormatClass(PseudoRandomVertexInputFormat.class);
conf.setVertexOutputFormatClass(JsonBase64VertexOutputFormat.class);
job = prepareJob(getCallingMethodName(), conf, outputPath3);
conf = job.getConfiguration();
conf.setLong(PseudoRandomInputFormatConstants.AGGREGATE_VERTICES, 101);
conf.setLong(PseudoRandomInputFormatConstants.EDGES_PER_VERTEX, 2);
conf.setInt(WeightedPageRankVertex.SUPERSTEP_COUNT, 5);
assertTrue(job.run(true));
assertEquals(101, getNumResults(conf, outputPath));
assertEquals(101, getNumResults(conf, outputPath2));
assertEquals(101, getNumResults(conf, outputPath3));
}
}