/*
 * Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
 *
 * Portions of this software were developed by the Unidata Program at the
 * University Corporation for Atmospheric Research.
 *
 * Access and use of this software shall impose the following obligations
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 * any fee or cost, to use, copy, modify, alter, enhance and distribute
 * this software, and any derivative works thereof, and its supporting
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 * software or in any product that includes this software. The names UCAR
 * and/or Unidata, however, may not be used in any advertising or publicity
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 */
package ucar.nc2.units;

import junit.framework.*;

import java.util.Date;

/**
 * Test DateFromString
 *
 * @author edavis
 * @since Nov 29, 2005 6:14:37 PM
 */
public class TestDateFromString extends TestCase {


  private String fileName = "xzy_tds_20051129_1235_junk.grib";
  private String dateAsISOString = "2005-11-29T12:35";
  private long dateAsLong = 1133267700000L;


  public TestDateFromString(String name) {
    super(name);
  }


  public void testGetDateUsingSimpleDateFormat() {
    String dateFormatString = "yyyyMMdd_HHmm";
    Date date = DateFromString.getDateUsingSimpleDateFormat(fileName, dateFormatString);
    assertTrue("Calculated date <" + date.toString() + " [" + date.getTime() + "]> not as expected <" + dateAsISOString + "[" + dateAsLong + "]>." +
            "\nUsing fileName <" + fileName + "> and dateFormatString <" + dateFormatString + ">",
            date.getTime() == dateAsLong);
  }

  public void testGetDateUsingCompleteDateFormat() {
    String dateFormatString = "'xzy_tds_'yyyyMMdd_HHmm'_junk.grib'";

    Date date = DateFromString.getDateUsingCompleteDateFormat(fileName, dateFormatString);
    System.out.printf("date = %s%n", date);
    assertTrue("Calculated date <" + date.toString() + " [" + date.getTime() + "]> not as expected <" + dateAsISOString + "[" + dateAsLong + "]>." +
            "\nUsing fileName <" + fileName + "> and dateFormatString <" + dateFormatString + ">",
            date.getTime() == dateAsLong);
  }

  public void testGetDateUsingRegExp() {
    String matchPattern = ".*([0-9]{4})([0-9]{2})([0-9]{2})_([0-9]{2})([0-9]{2}).*grib";
    String substitutionPattern = "$1-$2-$3T$4:$5";
    Date date = DateFromString.getDateUsingRegExp(fileName, matchPattern, substitutionPattern);
    assertTrue("Calculated date <" + date.toString() + " [" + date.getTime() + "]> not as expected <" + dateAsISOString + "[" + dateAsLong + "]>." +
            "\nUsing fileName <" + fileName + ">, matchPattern <" + matchPattern + ">, and substitutionPattern <" + substitutionPattern + ">",
            date.getTime() == dateAsLong);
  }

  public void testGetDateUsingRegExpAndDateFormat() {
    String matchPattern = ".*([0-9]{4})([0-9]{2})([0-9]{2})_([0-9]{2})([0-9]{2}).*grib";
    String substitutionPattern = "$1$2$3_$4$5";
    String dateFormatString = "yyyyMMdd_HHmm";

    Date date = DateFromString.getDateUsingRegExpAndDateFormat(fileName, matchPattern, substitutionPattern, dateFormatString);
    assertTrue("Calculated date <" + date.toString() + " [" + date.getTime() + "]> not as expected <" + dateAsISOString + "[" + dateAsLong + "]>." +
            "\nUsing fileName <" + fileName + ">, matchPattern <" + matchPattern + ">, substitutionPattern <" + substitutionPattern + ">, and dateFormatString <" + dateFormatString + ">",
            date.getTime() == dateAsLong);
  }
}