/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tika.sax;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.xml.sax.helpers.AttributesImpl;
/**
* Test cases for the {@link LinkContentHandler} class.
*/
public class LinkContentHandlerTest {
/**
* @see <a href="https://issues.apache.org/jira/browse/TIKA-975">TIKA-975</a>
*/
@Test
public void testWhitespaceCollapsing() throws Exception {
LinkContentHandler linkContentHandler = new LinkContentHandler(true);
linkContentHandler.startElement(XHTMLContentHandler.XHTML, "a", "", new AttributesImpl());
char[] anchorText = {'\n', 'N', 'o', ' ', 'w', 'h', 'i', 't', 'e', '\n', '\t', '\t', 's', 'p', 'a', 'c', 'e'};
linkContentHandler.characters(anchorText, 1, anchorText.length - 1);
linkContentHandler.endElement(XHTMLContentHandler.XHTML, "a", "");
assertEquals("No white space", linkContentHandler.getLinks().get(0).getText());
}
/**
* @see <a href="https://issues.apache.org/jira/browse/TIKA-975">TIKA-975</a>
*/
@Test
public void testDefaultBehavior() throws Exception {
LinkContentHandler linkContentHandler = new LinkContentHandler();
linkContentHandler.startElement(XHTMLContentHandler.XHTML, "a", "", new AttributesImpl());
char[] anchorText = {' ', 'a', 'n', 'c', 'h', 'o', 'r', ' '};
linkContentHandler.characters(anchorText, 0, anchorText.length);
linkContentHandler.endElement(XHTMLContentHandler.XHTML, "a", "");
assertEquals(" anchor ", linkContentHandler.getLinks().get(0).getText());
}
/**
* @see <a href="https://issues.apache.org/jira/browse/TIKA-1835">TIKA-1835</a>
*/
@Test
public void testLinkTag() throws Exception {
LinkContentHandler linkContentHandler = new LinkContentHandler();
AttributesImpl atts = new AttributesImpl();
atts.addAttribute("", "href", "href", "", "http://tika.apache.org/stylesheet.css");
atts.addAttribute("", "rel", "rel", "", "stylesheet");
linkContentHandler.startElement(XHTMLContentHandler.XHTML, "link", "", atts);
linkContentHandler.endElement(XHTMLContentHandler.XHTML, "link", "");
assertEquals("http://tika.apache.org/stylesheet.css", linkContentHandler.getLinks().get(0).getUri());
assertEquals("stylesheet", linkContentHandler.getLinks().get(0).getRel());
}
/**
* @see <a href="https://issues.apache.org/jira/browse/TIKA-1835">TIKA-1835</a>
*/
@Test
public void testIframeTag() throws Exception {
LinkContentHandler linkContentHandler = new LinkContentHandler();
AttributesImpl atts = new AttributesImpl();
atts.addAttribute("", "src", "src", "", "http://tika.apache.org/iframe.html");
linkContentHandler.startElement(XHTMLContentHandler.XHTML, "iframe", "", atts);
linkContentHandler.endElement(XHTMLContentHandler.XHTML, "iframe", "");
assertEquals("http://tika.apache.org/iframe.html", linkContentHandler.getLinks().get(0).getUri());
}
/**
* @see <a href="https://issues.apache.org/jira/browse/TIKA-1937">TIKA-1937</a>
*/
@Test
public void testScriptTag() throws Exception {
LinkContentHandler linkContentHandler = new LinkContentHandler();
AttributesImpl atts = new AttributesImpl();
atts.addAttribute("", "src", "src", "", "http://tika.apache.org/script.js");
linkContentHandler.startElement(XHTMLContentHandler.XHTML, "script", "", atts);
linkContentHandler.endElement(XHTMLContentHandler.XHTML, "script", "");
assertEquals("http://tika.apache.org/script.js", linkContentHandler.getLinks().get(0).getUri());
}
/**
* @see <a href="https://issues.apache.org/jira/browse/TIKA-1937">TIKA-1937</a>
*/
@Test
public void testEmbeddedScriptTag() throws Exception {
LinkContentHandler linkContentHandler = new LinkContentHandler();
AttributesImpl atts = new AttributesImpl();
// no "src" attribute implies it's an embedded script
linkContentHandler.startElement(XHTMLContentHandler.XHTML, "script", "", atts);
linkContentHandler.endElement(XHTMLContentHandler.XHTML, "script", "");
assert(linkContentHandler.getLinks().isEmpty());
}
}