Package org.apache.hcatalog.data

Source Code of org.apache.hcatalog.data.TestDefaultHCatRecord

/*
* 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.data;

import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.hcatalog.common.HCatUtil;
import org.apache.hcatalog.data.DefaultHCatRecord;
import org.apache.hcatalog.data.HCatRecord;

import junit.framework.Assert;
import junit.framework.TestCase;

public class TestDefaultHCatRecord extends TestCase{

  public void testRYW() throws IOException{

    File f = new File("binary.dat");
    f.delete();
    f.createNewFile();
    f.deleteOnExit();

    OutputStream fileOutStream = new FileOutputStream(f);
    DataOutput outStream = new DataOutputStream(fileOutStream);

    HCatRecord[]  recs = getHCatRecords();
    for(int i =0; i < recs.length; i++){
      recs[i].write(outStream);
    }
    fileOutStream.flush();
    fileOutStream.close();

    InputStream fInStream = new FileInputStream(f);
    DataInput inpStream = new DataInputStream(fInStream);

    for(int i =0; i < recs.length; i++){
      HCatRecord rec = new DefaultHCatRecord();
      rec.readFields(inpStream);
      Assert.assertTrue(HCatDataCheckUtil.recordsEqual(recs[i],rec));
    }

    Assert.assertEquals(fInStream.available(), 0);
    fInStream.close();

  }

  public void testCompareTo() {
    HCatRecord[] recs = getHCatRecords();
    Assert.assertTrue(HCatDataCheckUtil.compareRecords(recs[0],recs[1]) == 0);
  }

  public void testEqualsObject() {

    HCatRecord[] recs = getHCatRecords();
    Assert.assertTrue(HCatDataCheckUtil.recordsEqual(recs[0],recs[1]));
  }

  private HCatRecord[] getHCatRecords(){

    List<Object> rec_1 = new ArrayList<Object>(8);
    rec_1.add(new Byte("123"));
    rec_1.add(new Short("456"));
    rec_1.add( new Integer(789));
    rec_1.add( new Long(1000L));
    rec_1.add( new Double(5.3D));
    rec_1.add( new String("hcat and hadoop"));
    rec_1.add( null);
    rec_1.add( "null");

    HCatRecord tup_1 = new DefaultHCatRecord(rec_1);

    List<Object> rec_2 = new ArrayList<Object>(8);
    rec_2.add( new Byte("123"));
    rec_2.add( new Short("456"));
    rec_2.add( new Integer(789));
    rec_2.add( new Long(1000L));
    rec_2.add( new Double(5.3D));
    rec_2.add( new String("hcat and hadoop"));
    rec_2.add( null);
    rec_2.add( "null");
    HCatRecord tup_2 = new DefaultHCatRecord(rec_2);

    List<Object> rec_3 = new ArrayList<Object>(10);
    rec_3.add(new Byte("123"));
    rec_3.add(new Short("456"));
    rec_3.add( new Integer(789));
    rec_3.add( new Long(1000L));
    rec_3.add( new Double(5.3D));
    rec_3.add( new String("hcat and hadoop"));
    rec_3.add( null);
    List<Integer> innerList = new ArrayList<Integer>();
    innerList.add(314);
    innerList.add(007);
    rec_3.add( innerList);
    Map<Short, String> map = new HashMap<Short, String>(3);
    map.put(new Short("2"), "hcat is cool");
    map.put(new Short("3"), "is it?");
    map.put(new Short("4"), "or is it not?");
    rec_3.add(map);

    HCatRecord tup_3 = new DefaultHCatRecord(rec_3);

    List<Object> rec_4 = new ArrayList<Object>(8);
    rec_4.add( new Byte("123"));
    rec_4.add( new Short("456"));
    rec_4.add( new Integer(789));
    rec_4.add( new Long(1000L));
    rec_4.add( new Double(5.3D));
    rec_4.add( new String("hcat and hadoop"));
    rec_4.add( null);
    rec_4.add( "null");

    Map<Short, String> map2 = new HashMap<Short, String>(3);
    map2.put(new Short("2"), "hcat is cool");
    map2.put(new Short("3"), "is it?");
    map2.put(new Short("4"), "or is it not?");
    rec_4.add(map2);
    List<Integer> innerList2 = new ArrayList<Integer>();
    innerList2.add(314);
    innerList2.add(007);
    rec_4.add( innerList2);
    HCatRecord tup_4 = new DefaultHCatRecord(rec_4);

    return  new HCatRecord[]{tup_1,tup_2,tup_3,tup_4};

  }
}
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