/* Copyright (c) 2006 Ricebridge. All Rights Reserved.
 *
 * This file is available under the terms and conditions of the
 * 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.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 *  - Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above
 *  copyright notice, this list of conditions and the following
 *  disclaimer in the documentation and/or other materials provided
 *  with the distribution.
 *
 *  - Neither the name of the Ricebridge nor the names of its
 *  contributors may be used to endorse or promote products derived
 *  from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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 */

package com.ricebridge.csvman.test;


import com.ricebridge.csvman.*;


import org.jostraca.util.*;

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

import java.util.*;
import java.io.*;
import java.sql.*;


/** Test cases for {@link com.ricebridge.csvman.CsvManager} StringArray load handling.
 *    <p>Test files are <a href="csvfiles/load01.csv">load01.csv</a>, 
 *  <a href="csvfiles/load02.csv">load02.csv</a>, <a href="csvfiles/load03.csv">load03.csv</a>
 *  and <a href="csvfiles/example.csv">example.csv</a>.</p>
 *    <p>The <b><a href="LoadTest.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 LoadTest extends TestCase {

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

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

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



  // test cases

  public void testExample() throws Exception {
    File         csvFile    = TestUtil.getTextCsvFile( "example" );
    CsvManager   csvManager = new CsvManager();
    List         data       = csvManager.load( csvFile );
    StringBuffer sb         = new StringBuffer();

    for( int record = 0; record < data.size(); record++ ) {
      sb.append( "record: "+record+"\n" );
      String[] fields = (String[]) data.get(record);
      for( int field = 0; field < fields.length; field++ ) {
        sb.append( "field "+field+" has value: "+fields[field]+"\n" );
      }
    }

    String out = "record: 0\nfield 0 has value: r1\nfield 1 has value: f1\nfield 2 has value: b1\nrecord: 1\nfield 0 has value: r2\nfield 1 has value: f2\nfield 2 has value: b2\nrecord: 2\nfield 0 has value: r3\nfield 1 has value: f3\nfield 2 has value: b3\n";
    assertEquals( out, sb.toString() );
  }


  public void testSingle() throws Exception {
    String loadcanon = "[b1, q1], [b2, q2], ";

    File csvFile = null;
    csvFile = TestUtil.getTextCsvFile( "load01" );
    CsvManager csvManager = new CsvManager();

    List data = csvManager.load( csvFile );
    assertEquals( loadcanon, canon(data) );

    data = csvManager.load( csvFile.getAbsolutePath() );
    assertEquals( loadcanon, canon(data) );

    InputStream is = new FileInputStream( csvFile );
    data = csvManager.load( is );
    assertEquals( loadcanon, canon(data) );
    is.close();

    Reader fr = new FileReader( csvFile );
    data = csvManager.load( fr );
    assertEquals( loadcanon, canon(data) );
    fr.close();

    data = csvManager.loadFromString( FileUtil.readFile(csvFile) );
    assertEquals( loadcanon, canon(data) );
  }


  public void testRepeat() throws Exception {
    File csvFile = null;
    csvFile = TestUtil.getTextCsvFile( "load01" );
    LineSpec fs = new LineSpec( new String[] {"Name","Que"} );

    CsvManager csvManager = new CsvManager();

    // file
    String loadcanon01  = "[b1, q1], [b2, q2], ";
    String loadcanon02 = "[2b1, 2q1], [2b2, 2q2], [2b3, 2q3], ";
    String loadcanon03 = "[3b1, 3q1], [3b2, 3q2], [3b3, 3q3], [3b4, 3q4], ";

    List data = csvManager.load( csvFile );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );

    data = csvManager.load( csvFile );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );

    csvFile = TestUtil.getTextCsvFile( "load02" );
    data = csvManager.load( csvFile );
    assertEquals( loadcanon02, canon(data) );
    assertEquals( 3, csvManager.getLineCount() );

    csvFile = TestUtil.getTextCsvFile( "load03" );
    data = csvManager.load( csvFile );
    assertEquals( loadcanon03, canon(data) );
    assertEquals( 4, csvManager.getLineCount() );


    // file path
    csvFile = TestUtil.getTextCsvFile( "load01" );
    data = csvManager.load( csvFile.getAbsolutePath() );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );

    data = csvManager.load( csvFile.getAbsolutePath() );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );

    csvFile = TestUtil.getTextCsvFile( "load02" );
    data = csvManager.load( csvFile.getAbsolutePath() );
    assertEquals( loadcanon02, canon(data) );
    assertEquals( 3, csvManager.getLineCount() );

    csvFile = TestUtil.getTextCsvFile( "load03" );
    data = csvManager.load( csvFile.getAbsolutePath() );
    assertEquals( loadcanon03, canon(data) );
    assertEquals( 4, csvManager.getLineCount() );


    // inputstream
    csvFile = TestUtil.getTextCsvFile( "load01" );
    InputStream is = new FileInputStream( csvFile );
    data = csvManager.load( is );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );
    is.close();

    is = new FileInputStream( csvFile );
    data = csvManager.load( is );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );
    is.close();

    csvFile = TestUtil.getTextCsvFile( "load02" );
    is = new FileInputStream( csvFile );
    data = csvManager.load( is );
    assertEquals( loadcanon02, canon(data) );
    assertEquals( 3, csvManager.getLineCount() );
    is.close();

    csvFile = TestUtil.getTextCsvFile( "load03" );
    is = new FileInputStream( csvFile );
    data = csvManager.load( is );
    assertEquals( loadcanon03, canon(data) );
    assertEquals( 4, csvManager.getLineCount() );
    is.close();


    // reader
    csvFile = TestUtil.getTextCsvFile( "load01" );
    Reader fr = new FileReader( csvFile );
    data = csvManager.load( fr );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );
    fr.close();

    fr = new FileReader( csvFile );
    data = csvManager.load( fr );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );
    fr.close();

    csvFile = TestUtil.getTextCsvFile( "load02" );
    fr = new FileReader( csvFile );
    data = csvManager.load( fr );
    assertEquals( loadcanon02, canon(data) );
    assertEquals( 3, csvManager.getLineCount() );
    fr.close();

    csvFile = TestUtil.getTextCsvFile( "load03" );
    fr = new FileReader( csvFile );
    data = csvManager.load( fr );
    assertEquals( loadcanon03, canon(data) );
    assertEquals( 4, csvManager.getLineCount() );
    fr.close();


    // string
    csvFile = TestUtil.getTextCsvFile( "load01" );
    data = csvManager.loadFromString( FileUtil.readFile(csvFile) );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );

    data = csvManager.loadFromString( FileUtil.readFile(csvFile) );
    assertEquals( loadcanon01, canon(data) );
    assertEquals( 2, csvManager.getLineCount() );

    csvFile = TestUtil.getTextCsvFile( "load02" );
    data = csvManager.loadFromString( FileUtil.readFile(csvFile) );
    assertEquals( loadcanon02, canon(data) );
    assertEquals( 3, csvManager.getLineCount() );

    csvFile = TestUtil.getTextCsvFile( "load03" );
    data = csvManager.loadFromString( FileUtil.readFile(csvFile) );
    assertEquals( loadcanon03, canon(data) );
    assertEquals( 4, csvManager.getLineCount() );
  }



  private String canon( List pData ) throws Exception {
    StringBuffer sb = new StringBuffer();
    for( Iterator dI = pData.iterator(); dI.hasNext(); ) {
      String[] da = (String[]) dI.next();
      sb.append( Arrays.asList(da)+", " );
    }
    return sb.toString();
  }

}