core/src/test/java/org/apache/hcatalog/rcfile/TestRCFileOutputStorageDriver.java.broken

/**
 * 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.hcatalog.rcfile;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import junit.framework.TestCase;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable;
import org.apache.hadoop.hive.serde2.columnar.BytesRefWritable;
import org.apache.hadoop.mapreduce.JobContext;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hcatalog.common.HCatConstants;
import org.apache.hcatalog.common.HCatException;
import org.apache.hcatalog.common.HCatUtil;
import org.apache.hcatalog.data.HCatRecord;
import org.apache.hcatalog.data.schema.HCatSchema;
import org.apache.hcatalog.mapreduce.HCatInputStorageDriver;
import org.apache.hcatalog.mapreduce.HCatOutputStorageDriver;
import org.apache.hcatalog.mapreduce.OutputJobInfo;
import org.apache.hcatalog.shims.HCatHadoopShims;

public class TestRCFileOutputStorageDriver extends TestCase {

  public void testConversion() throws IOException {
    Configuration conf = new Configuration();
    JobContext jc = HCatHadoopShims.Instance.get().createJobContext(conf, new JobID());
    String jobString = HCatUtil.serialize(OutputJobInfo.create(null,null,null));
    jc.getConfiguration().set(HCatConstants.HCAT_KEY_OUTPUT_INFO,jobString);

    HCatSchema schema = buildHiveSchema();
    HCatInputStorageDriver isd = new RCFileInputDriver();

    isd.setOriginalSchema(jc, schema);
    isd.setOutputSchema(jc, schema);
    isd.initialize(jc, new Properties());

    byte[][] byteArray = buildBytesArray();

    BytesRefArrayWritable bytesWritable = new BytesRefArrayWritable(byteArray.length);
    for (int i = 0; i < byteArray.length; i++) {
      BytesRefWritable cu = new BytesRefWritable(byteArray[i], 0, byteArray[i].length);
      bytesWritable.set(i, cu);
    }

    //Convert byte array to HCatRecord using isd, convert hcatrecord back to byte array
    //using osd, compare the two arrays
    HCatRecord record = isd.convertToHCatRecord(null, bytesWritable);

    HCatOutputStorageDriver osd = new RCFileOutputDriver();

    osd.setSchema(jc, schema);
    osd.initialize(jc, new Properties());

    BytesRefArrayWritable bytesWritableOutput = (BytesRefArrayWritable) osd.convertValue(record);

    assertTrue(bytesWritableOutput.compareTo(bytesWritable) == 0);
  }

  private byte[][] buildBytesArray() throws UnsupportedEncodingException {
    byte[][] bytes = {"123".getBytes("UTF-8"), "456".getBytes("UTF-8"),
        "789".getBytes("UTF-8"), "1000".getBytes("UTF-8"),
        "5.3".getBytes("UTF-8"), "hcat and hadoop".getBytes("UTF-8"),
        new byte[0], "\\N".getBytes("UTF-8") };
    return bytes;
  }

  private HCatSchema buildHiveSchema() throws HCatException{

    List<FieldSchema> fields = new ArrayList<FieldSchema>(8);
    fields.add(new FieldSchema("atinyint", "tinyint", ""));
    fields.add(new FieldSchema("asmallint", "smallint", ""));
    fields.add(new FieldSchema("aint", "int", ""));
    fields.add(new FieldSchema("along", "bigint", ""));
    fields.add(new FieldSchema("adouble", "double", ""));
    fields.add(new FieldSchema("astring", "string", ""));
    fields.add(new FieldSchema("anullint", "int", ""));
    fields.add(new FieldSchema("anullstring", "string", ""));

    return new HCatSchema(HCatUtil.getHCatFieldSchemaList(fields));
  }
}