content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software GmbH & Co. KG, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.util;
  
  import org.opencms.i18n.CmsEncoder;
  import org.opencms.test.OpenCmsTestCase;
  
  /**
   * Test case for <code>{@link org.opencms.util.CmsHtmlStripper}</code>.<p>
   *
   * @since 6.9.2
   */
  public class TestCmsHtmlStripper extends OpenCmsTestCase {
  
      /**
       * Tests <code>{@link CmsHtmlStripper#stripHtml(String)}</code>
       * with a configuration that only keeps: "b,p,strong,i". <p>
       *
       * @throws Exception in case the test fails
       */
      public void testStripHtml() throws Exception {
  
          CmsHtmlStripper stripper = new CmsHtmlStripper();
          stripper.addPreserveTags("b,p,strong,i", ',');
  
          String content1 = CmsFileUtil.readFile("org/opencms/util/testHtml_01.html", CmsEncoder.ENCODING_ISO_8859_1);
          String result1 = stripper.stripHtml(content1);
          System.out.println(result1 + "\n\n");
          assertFalse(content1.equals(result1));
          result1 = result1.toLowerCase();
          assertTrue("Html must not contain h1 tag.", result1.indexOf("<h1") < 0);
          assertTrue("Html must not contain h2 tag.", result1.indexOf("<h2") < 0);
          assertTrue("Html must not contain head tag.", result1.indexOf("<head") < 0);
  
          String content2 = CmsFileUtil.readFile("org/opencms/util/testHtml_02.html", CmsEncoder.ENCODING_ISO_8859_1);
          String result2 = stripper.stripHtml(content2);
          System.out.println(result2 + "\n\n");
          assertFalse(content2.equals(result2));
          result1 = result1.toLowerCase();
          assertTrue("Html must not contain h1 tag.", result2.indexOf("<h1") < 0);
          assertTrue("Html must not contain h2 tag.", result2.indexOf("<h2") < 0);
          assertTrue("Html must not contain head tag.", result2.indexOf("<head") < 0);
  
          String emil = CmsFileUtil.readFile("org/opencms/util/testHtml_03.html", CmsEncoder.ENCODING_ISO_8859_1);
          String result3 = stripper.stripHtml(emil);
          System.out.println(result3 + "\n\n");
          assertFalse(emil.equals(result3));
          assertTrue("Html must not contain h1 tag.", result3.indexOf("<h1") < 0);
          assertTrue("Html must not contain h2 tag.", result3.indexOf("<h2") < 0);
          assertTrue("Html must not contain head tag.", result3.indexOf("<head") < 0);
  
      }
  
      /**
       * Tests <code>{@link CmsHtmlStripper#stripHtml(String)}</code>
       * with all HTML tags of test files as preserve tags (manual bypass-mode).<p>
       *
       * @throws Exception in case the test fails
       */
      public void testStripHtmlBypass() throws Exception {
  
          CmsHtmlStripper stripper = new CmsHtmlStripper(false);
          stripper.addPreserveTag("html");
          stripper.addPreserveTag("head");
          stripper.addPreserveTag("title");
          stripper.addPreserveTag("body");
          stripper.addPreserveTag("table");
          stripper.addPreserveTag("tr");
          stripper.addPreserveTag("td");
          stripper.addPreserveTag("h1");
          stripper.addPreserveTag("h3");
          stripper.addPreserveTag("dd");
          stripper.addPreserveTag("dl");
          stripper.addPreserveTag("a");
          stripper.addPreserveTag("p");
          stripper.addPreserveTag("strong");
          stripper.addPreserveTag("ul");
          stripper.addPreserveTag("li");
          stripper.addPreserveTag("br");
          stripper.addPreserveTag("img");
          stripper.addPreserveTag("tbody");
          stripper.addPreserveTag("b");
  
          String content1 = CmsFileUtil.readFile("org/opencms/util/testHtml_01.html", CmsEncoder.ENCODING_ISO_8859_1);
          String result1 = stripper.stripHtml(content1);
          System.out.println(result1 + "\n\n");
          // This fails as htmlparser adds a missing closing tag:
          //assertEquals(content1, result1);
  
          String content2 = CmsFileUtil.readFile("org/opencms/util/testHtml_02.html", CmsEncoder.ENCODING_ISO_8859_1);
          String result2 = stripper.stripHtml(content2);
          System.out.println(result2 + "\n\n");
          assertEquals(content2, result2);
  
          String emil = CmsFileUtil.readFile("org/opencms/util/testHtml_03.html", CmsEncoder.ENCODING_ISO_8859_1);
          String result3 = stripper.stripHtml(emil);
          System.out.println(result3 + "\n\n");
          assertEquals(emil, result3);
  
      }
  
      /**
       * Tests <code>{@link CmsHtmlStripper#stripHtml(String)}</code>
       * if it strips newline separators. <p>
       *
       * @throws Exception in case the test fails
       */
      public void testStripHtmlNewline() throws Exception {
  
          String test = "<p>Dies ist eine Paragrahph\r hier die 2. Zeile \r\n und die dritte.</p> Nach dem Paragrahp";
          CmsHtmlStripper stripper = new CmsHtmlStripper();
          stripper.addPreserveTag("p");
          String result = stripper.stripHtml(test);
          assertEquals(test, result);
      }
  }