/*
    * 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.giraph;
  
  import org.apache.giraph.conf.GiraphConfiguration;
  import org.apache.giraph.conf.GiraphConstants;
  import org.apache.giraph.examples.GeneratedVertexReader;
  import org.apache.giraph.examples.SimplePageRankComputation;
  import org.apache.giraph.examples.TestComputationStateComputation;
  import org.apache.giraph.job.GiraphJob;
  import org.junit.Test;
  
  import java.io.IOException;
  
  import static org.junit.Assert.assertTrue;
  
  public class TestComputationState extends BspCase {
    public TestComputationState() {
      super(TestComputationState.class.getName());
    }
  
    @Test
    public void testComputationState() throws IOException,
        ClassNotFoundException, InterruptedException {
      if (runningInDistributedMode()) {
        System.out.println(
            "testComputeContext: Ignore this test in distributed mode.");
        return;
      }
      GiraphConfiguration conf = new GiraphConfiguration();
      conf.setComputationClass(TestComputationStateComputation.class);
      conf.setVertexInputFormatClass(
          SimplePageRankComputation.SimplePageRankVertexInputFormat.class);
      conf.setWorkerContextClass(
          TestComputationStateComputation.TestComputationStateWorkerContext.class);
      GiraphJob job = prepareJob(getCallingMethodName(), conf);
      // Use multithreading
      job.getConfiguration().setNumComputeThreads(
          TestComputationStateComputation.NUM_COMPUTE_THREADS);
      // Increase the number of vertices
      GeneratedVertexReader.READER_VERTICES.set(job.getConfiguration(),
          TestComputationStateComputation.NUM_VERTICES);
      // Increase the number of partitions
      GiraphConstants.USER_PARTITION_COUNT.set(job.getConfiguration(),
          TestComputationStateComputation.NUM_PARTITIONS);
      assertTrue(job.run(true));
    }
  }