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    1   /* BackgroundImageExtractionSelfTest
    2    *
    3    * Created on Jan 29, 2004
    4    *
    5    * Copyright (C) 2004 Internet Archive.
    6    *
    7    * This file is part of the Heritrix web crawler (crawler.archive.org).
    8    *
    9    * Heritrix is free software; you can redistribute it and/or modify
    10   * it under the terms of the GNU Lesser Public License as published by
    11   * the Free Software Foundation; either version 2.1 of the License, or
    12   * any later version.
    13   *
    14   * Heritrix is distributed in the hope that it will be useful,
    15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    17   * GNU Lesser Public License for more details.
    18   *
    19   * You should have received a copy of the GNU Lesser Public License
    20   * along with Heritrix; if not, write to the Free Software
    21   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    22   */
    23  package org.archive.crawler.selftest;
    24
    25
    26  import java.io.File;
    27  import java.util.Iterator;
    28  import java.util.List;
    29
    30  import org.archive.io.arc.ARCRecordMetaData;
    31
    32
    33  /***
    34   * Test the crawler can find background images in pages.
    35   *
    36   * @author stack
    37   * @version $Id: BackgroundImageExtractionSelfTestCase.java 4931 2007-02-21 18:48:17Z gojomo $
    38   */
    39  public class BackgroundImageExtractionSelfTestCase
    40      extends SelfTestCase
    41  {
    42      /***
    43       * The name of the background image the crawler is supposed to find.
    44       */
    45      private static final String IMAGE_NAME = "example-background-image.jpeg";
    46
    47      private static final String JPEG = "image/jpeg";
    48
    49
    50      /***
    51       * Read ARC file for the background image the file that contained it.
    52       *
    53       * Look that there is only one instance of the background image in the
    54       * ARC and that it is of the same size as the image in the webapp dir.
    55       */
    56      public void stestBackgroundImageExtraction()
    57      {
    58          assertInitialized();
    59          String relativePath = getTestName() + '/' + IMAGE_NAME;
    60          String url = getSelftestURLWithTrailingSlash() + relativePath;
    61          File image = new File(getHtdocs(), relativePath);
    62          assertTrue("Image exists", image.exists());
    63          List [] metaDatas = getMetaDatas();
    64          boolean found = false;
    65          ARCRecordMetaData metaData = null;
    66          for (int mi = 0; mi < metaDatas.length; mi++) {
    67  			List list = metaDatas[mi];
    68  			for (final Iterator i = list.iterator(); i.hasNext();) {
    69  				metaData = (ARCRecordMetaData) i.next();
    70  				if (metaData.getUrl().equals(url)
    71  						&& metaData.getMimetype().equalsIgnoreCase(JPEG)) {
    72  					if (!found) {
    73  						found = true;
    74  					} else {
    75  						fail("Found a 2nd instance of " + url);
    76  					}
    77  				}
    78  			}
    79  		}
    80      }
    81  }