client/mapreduce/src/test/java/org/apache/accumulo/core/client/mapred/AccumuloOutputFormatTest.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,
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 * See the License for the specific language governing permissions and
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package org.apache.accumulo.core.client.mapred;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;

import java.io.IOException;
import java.util.concurrent.TimeUnit;

import org.apache.accumulo.core.client.BatchWriterConfig;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.mapred.JobConf;
import org.junit.Test;

public class AccumuloOutputFormatTest {

  @Test
  public void testBWSettings() throws IOException {
    JobConf job = new JobConf();

    // make sure we aren't testing defaults
    final BatchWriterConfig bwDefaults = new BatchWriterConfig();
    assertNotEquals(7654321L, bwDefaults.getMaxLatency(TimeUnit.MILLISECONDS));
    assertNotEquals(9898989L, bwDefaults.getTimeout(TimeUnit.MILLISECONDS));
    assertNotEquals(42, bwDefaults.getMaxWriteThreads());
    assertNotEquals(1123581321L, bwDefaults.getMaxMemory());

    final BatchWriterConfig bwConfig = new BatchWriterConfig();
    bwConfig.setMaxLatency(7654321L, TimeUnit.MILLISECONDS);
    bwConfig.setTimeout(9898989L, TimeUnit.MILLISECONDS);
    bwConfig.setMaxWriteThreads(42);
    bwConfig.setMaxMemory(1123581321L);
    AccumuloOutputFormat.setBatchWriterOptions(job, bwConfig);

    AccumuloOutputFormat myAOF = new AccumuloOutputFormat() {
      @Override
      public void checkOutputSpecs(FileSystem ignored, JobConf job) throws IOException {
        BatchWriterConfig bwOpts = getBatchWriterOptions(job);

        // passive check
        assertEquals(bwConfig.getMaxLatency(TimeUnit.MILLISECONDS),
            bwOpts.getMaxLatency(TimeUnit.MILLISECONDS));
        assertEquals(bwConfig.getTimeout(TimeUnit.MILLISECONDS),
            bwOpts.getTimeout(TimeUnit.MILLISECONDS));
        assertEquals(bwConfig.getMaxWriteThreads(), bwOpts.getMaxWriteThreads());
        assertEquals(bwConfig.getMaxMemory(), bwOpts.getMaxMemory());

        // explicit check
        assertEquals(7654321L, bwOpts.getMaxLatency(TimeUnit.MILLISECONDS));
        assertEquals(9898989L, bwOpts.getTimeout(TimeUnit.MILLISECONDS));
        assertEquals(42, bwOpts.getMaxWriteThreads());
        assertEquals(1123581321L, bwOpts.getMaxMemory());

      }
    };
    myAOF.checkOutputSpecs(null, job);
  }

}