xref: /external/owasp/sanitizer/src/tests/org/owasp/html/HtmlChangeReporterTest.java

// Copyright (c) 2011, Mike Samuel
// All rights reserved.
//
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// modification, are permitted provided that the following conditions
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// Redistributions of source code must retain the above copyright
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// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
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package org.owasp.html;

import junit.framework.TestCase;

public class HtmlChangeReporterTest extends TestCase {

  public final void testChangeReporting() {
    final Integer testContext = 123;

    StringBuilder out = new StringBuilder();
    final StringBuilder log = new StringBuilder();
    HtmlStreamRenderer renderer = HtmlStreamRenderer.create(
        out, Handler.DO_NOTHING);
    HtmlChangeListener<Integer> listener = new HtmlChangeListener<Integer>() {
      public void discardedTag(Integer context, String elementName) {
        assertSame(testContext, context);
        log.append('<').append(elementName).append("> ");
      }

      public void discardedAttribute(
          Integer context, String tagName, String attributeName) {
        assertSame(testContext, context);
        log.append('<').append(tagName).append(' ').append(attributeName)
           .append("> ");
      }
    };
    HtmlChangeReporter<Integer> hcr = new HtmlChangeReporter<Integer>(
        renderer, listener, testContext);

    hcr.setPolicy(Sanitizers.FORMATTING.apply(hcr.getWrappedRenderer()));
    HtmlSanitizer.sanitize(
        "<textarea>Hello</textarea>,<b onclick=alert(42)>World</B>!<PLAINTEXT>",
        hcr);
    assertEquals("Hello,<b>World</b>!", out.toString());
    assertEquals("<textarea> <b onclick> <plaintext> ", log.toString());
  }
}