/**
 * This file is part of the Meeds project (https://meeds.io/).
 *
 * Copyright (C) 2020 - 2025 Meeds Association contact@meeds.io
 *
 * This program 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 3 of the License, or (at your option) any later version.
 * This program 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.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.exoplatform.social.common.xmlprocessor.filters;

import org.exoplatform.social.common.xmlprocessor.DOMParser;
import org.exoplatform.social.common.xmlprocessor.Tokenizer;
import org.exoplatform.social.common.xmlprocessor.model.Node;

import junit.framework.TestCase;

/**
 * Unit test for {@link SanitizeFilterPlugin}.
 */
public class SanitizeFilterPluginTest extends TestCase {

  public void testContentEscape() {
    assertEquals(
            "",
            new SanitizeFilterPlugin().doFilter(
                    DOMParser.createDOMTree(new Node(), Tokenizer.tokenize("")).toString())
                    .toString());

    assertEquals(
            "hello 1 hello 2",
            new SanitizeFilterPlugin().doFilter(
                    DOMParser.createDOMTree(new Node(),
                            Tokenizer.tokenize("hello 1\r\nhello 2")).toString()).toString());

    assertEquals(
            "<b> &#61; hello 1 &amp;&#34;\\ hello 2 </b>",
            new SanitizeFilterPlugin().doFilter(
                    DOMParser.createDOMTree(new Node(),
                            Tokenizer.tokenize("<b> = hello 1 &\"\\ hello 2 <a>")).toString())
                    .toString());
  }

  public void testShouldReturnNullWhenSanitizingNullInput() {
    // Given
    SanitizeFilterPlugin sanitizeFilterPlugin = new SanitizeFilterPlugin();

    // When
    Object filteredInput = sanitizeFilterPlugin.doFilter(null);

    // Then
    assertNull(filteredInput);
  }
}
