src/test/java/org/apache/giraph/TestMutateGraphVertex.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
 * limitations under the License.
 */

package org.apache.giraph;

import java.io.IOException;

import org.apache.hadoop.fs.Path;
import org.apache.giraph.examples.SimpleMutateGraphVertex;
import org.apache.giraph.examples.SimplePageRankVertex.SimplePageRankVertexInputFormat;
import org.apache.giraph.examples.SimplePageRankVertex.SimplePageRankVertexOutputFormat;
import org.apache.giraph.graph.GiraphJob;

import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * Unit test for graph mutation
 */
public class TestMutateGraphVertex extends BspCase {
    /**
     * Create the test case
     *
     * @param testName name of the test case
     */
    public TestMutateGraphVertex(String testName) {
        super(testName);
    }

    /**
     * @return the suite of tests being tested
     */
    public static Test suite() {
        return new TestSuite(TestMutateGraphVertex.class);
    }

    /**
     * Run a job that tests the various graph mutations that can occur
     *
     * @throws IOException
     * @throws ClassNotFoundException
     * @throws InterruptedException
     */
    public void testMutateGraph()
            throws IOException, InterruptedException, ClassNotFoundException {
        GiraphJob job = new GiraphJob(getCallingMethodName());
        setupConfiguration(job);
        job.setVertexClass(SimpleMutateGraphVertex.class);
        job.setWorkerContextClass(
            SimpleMutateGraphVertex.SimpleMutateGraphVertexWorkerContext.class);
        job.setVertexInputFormatClass(SimplePageRankVertexInputFormat.class);
        job.setVertexOutputFormatClass(SimplePageRankVertexOutputFormat.class);
        Path outputPath = new Path("/tmp/" + getCallingMethodName());
        removeAndSetOutput(job, outputPath);
        assertTrue(job.run(true));
    }
}