/* Copyright (c) 2006 Ricebridge. All Rights Reserved.
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 * Ricebridge "Open Source API" policy; Ricebridge grants use of this
 * copyrighted work under the terms of a BSD-style license only. See
 * http://www.opensource.org/licenses/bsd-license.php for more
 * information.
 * 
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 * modification, are permitted provided that the following conditions
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 * 
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 *
 *  - Redistributions in binary form must reproduce the above
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 *  disclaimer in the documentation and/or other materials provided
 *  with the distribution.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package com.ricebridge.csvman.test;


import com.ricebridge.csvman.*;
import com.ricebridge.data.sc.*;

import com.ricebridge.data.BeanSpec;
import com.ricebridge.data.Text;

import org.jostraca.util.*;

import junit.framework.*;
import junit.textui.*;

import java.util.*;
import java.io.*;
import java.text.*;


/** Test cases for {@link com.ricebridge.csvman.CsvManager} Beans handling.
 *    <p>The <b><a href="CsvSaverTest.java.html">Source Code</a></b> of this Java class 
 *    is available under a <a href="http://www.opensource.org/licenses/bsd-license.php">BSD-style license</a>.</p>
 */
public class CsvSaverTest extends TestCase {

  // test framework
  
  public CsvSaverTest( String pName ) {
    super( pName );
  }

  public static TestSuite suite() {
    return new TestSuite( CsvSaverTest.class );
  }

  public static void main( String[] pArgs ) {
    TestRunner.run( suite() );
  }



  // test cases

  public void testExample() throws Exception {
    File csvFile = null;

    csvFile = TestUtil.getTextCsvFile( "save" );
    FileUtil.writeFile(csvFile,"");

    CsvManager csvManager = new CsvManager();

    ArrayList data = new ArrayList();
    data.add( new String[] {"r1","f1","b1"} );
    data.add( new String[] {"r2","f2","b2"} );
    data.add( new String[] {"r3","f3","b3"} );

    CsvSaver csvsaver = csvManager.makeSaver( csvFile );

    csvsaver.begin();
    for( Iterator dI = data.iterator(); dI.hasNext(); ) {
      String[] line = (String[]) dI.next();
      csvsaver.next( line );
    }
    csvsaver.end();

    assertEquals( "r1,f1,b1\nr2,f2,b2\nr3,f3,b3\n", FileUtil.readFile(csvFile) );

  }

  

  public void testSingle() throws Exception {
    ArrayList data = new ArrayList();
    data.add( new String[] {"b1","q1"} );
    data.add( new String[] {"b2","q2"} );

    String savecanon = "b1,q1\nb2,q2\n";

    File csvFile = null;
    csvFile = TestUtil.getTextCsvFile( "save" );
    CsvManager csvManager = new CsvManager();

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile ), data );
    assertEquals( savecanon, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile.getAbsolutePath() ), data );
    assertEquals( savecanon, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    OutputStream is = new FileOutputStream( csvFile );
    saveData( csvManager.makeSaver( is ), data );
    assertEquals( savecanon, FileUtil.readFile(csvFile) );
    is.close();

    FileUtil.writeFile(csvFile,"");
    FileWriter fw = new FileWriter( csvFile );
    saveData( csvManager.makeSaver( fw ), data );
    assertEquals( savecanon, FileUtil.readFile(csvFile) );
    fw.close();

    Text bt = new Text();
    csvManager.setCsvSpec( csvManager.makeUnixSpec() );
    saveData( csvManager.makeSaver( bt ), data );
    assertEquals( savecanon, bt.getText() );
  }



  public void testRepeats() throws Exception {
    ArrayList data1 = new ArrayList();
    data1.add( new String[] { "b1","q1" } );
    data1.add( new String[] { "b2","q2" } );
    String savecanon1 = "b1,q1\nb2,q2\n";

    File csvFile = null;
    csvFile = TestUtil.getTextCsvFile( "save" );

    CsvManager csvManager = new CsvManager();
    csvManager.setCsvSpec( csvManager.makeUnixSpec() );

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile ), data1 );
    assertEquals( savecanon1, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile.getAbsolutePath() ), data1 );
    assertEquals( savecanon1, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    OutputStream os = new FileOutputStream( csvFile );
    saveData( csvManager.makeSaver( os ), data1 );
    assertEquals( savecanon1, FileUtil.readFile(csvFile) );
    os.close();

    FileUtil.writeFile(csvFile,"");
    FileWriter fw = new FileWriter( csvFile );
    saveData( csvManager.makeSaver( fw ), data1 );
    assertEquals( savecanon1, FileUtil.readFile(csvFile) );
    fw.close();

    Text text = new Text();
    saveData( csvManager.makeSaver( text ), data1 );
    assertEquals( savecanon1, text.toString() );


    ArrayList data2 = new ArrayList();
    data2.add( new String[] { "2b1","2q1" } );
    data2.add( new String[] { "2b2","2q2" } );
    data2.add( new String[] { "2b3","2q3" } );

    String savecanon2 = "2b1,2q1\n2b2,2q2\n2b3,2q3\n";

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile ) , data2 );
    assertEquals( savecanon2, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile.getAbsolutePath() ) , data2 );
    assertEquals( savecanon2, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    os = new FileOutputStream( csvFile );
    saveData( csvManager.makeSaver( os ) , data2 );
    assertEquals( savecanon2, FileUtil.readFile(csvFile) );
    os.close();

    FileUtil.writeFile(csvFile,"");
    fw = new FileWriter( csvFile );
    saveData( csvManager.makeSaver( fw ) , data2 );
    assertEquals( savecanon2, FileUtil.readFile(csvFile) );
    fw.close();

    text = new Text();
    saveData( csvManager.makeSaver( text ) , data2 );
    assertEquals( savecanon2, text.toString() );


    ArrayList data3 = new ArrayList();
    data3.add( new String[] { "3b1","3q1" } );
    data3.add( new String[] { "3b2","3q2" } );
    data3.add( new String[] { "3b3","3q3" } );
    data3.add( new String[] { "3b4","3q4" } );
    String savecanon3 = "3b1,3q1\n3b2,3q2\n3b3,3q3\n3b4,3q4\n";

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile ) , data3 );
    assertEquals( savecanon3, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    saveData( csvManager.makeSaver( csvFile.getAbsolutePath() ) , data3 );
    assertEquals( savecanon3, FileUtil.readFile(csvFile) );

    FileUtil.writeFile(csvFile,"");
    os = new FileOutputStream( csvFile );
    saveData( csvManager.makeSaver( os ) , data3 );
    assertEquals( savecanon3, FileUtil.readFile(csvFile) );
    os.close();

    FileUtil.writeFile(csvFile,"");
    fw = new FileWriter( csvFile );
    saveData( csvManager.makeSaver( fw ) , data3 );
    assertEquals( savecanon3, FileUtil.readFile(csvFile) );
    fw.close();

    text = new Text();
    saveData( csvManager.makeSaver( text ) , data3 );
    assertEquals( savecanon3, text.toString() );
  }



  private void saveData( CsvSaver pCsvSaver, List pData ) throws Exception {
    pCsvSaver.begin();
    for( Iterator dI = pData.iterator(); dI.hasNext(); ) {
      String[] fields = (String[]) dI.next();
      pCsvSaver.next( fields );
    }
    pCsvSaver.end();
  }

}