/*
* 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.shindig.gadgets.parse;
import org.apache.shindig.gadgets.parse.nekohtml.NekoSimplifiedHtmlParser;
import org.apache.shindig.gadgets.rewrite.XPathWrapper;
import org.junit.Assert;
import org.junit.Test;
import org.w3c.dom.Document;
/**
* Note these tests are of marginal use. Consider removing. More useful tests would exercise
* the capability of the parser to handle strange HTML.
*/
public class HtmlParserTest extends Assert {
private final GadgetHtmlParser nekoParser = new NekoSimplifiedHtmlParser(
new ParseModule.DOMImplementationProvider().get());
@Test
public void testParseSimpleString() throws Exception {
parseSimpleString(nekoParser);
}
private void parseSimpleString(GadgetHtmlParser htmlParser) throws Exception {
Document doc = htmlParser.parseDom("content");
XPathWrapper wrapper = new XPathWrapper(doc);
assertEquals("content", wrapper.getValue("/html/body"));
}
@Test
public void testParseTagWithStringContents() throws Exception {
parseTagWithStringContents(nekoParser);
}
void parseTagWithStringContents(GadgetHtmlParser htmlParser) throws Exception {
Document doc = htmlParser.parseDom("<span>content</span>");
XPathWrapper wrapper = new XPathWrapper(doc);
assertEquals("content", wrapper.getValue("/html/body/span"));
}
@Test
public void testParseTagWithAttributes() throws Exception {
parseTagWithAttributes(nekoParser);
}
void parseTagWithAttributes(GadgetHtmlParser htmlParser) throws Exception {
Document doc = htmlParser.parseDom("<div id=\"foo\">content</div>");
XPathWrapper wrapper = new XPathWrapper(doc);
assertEquals("content", wrapper.getValue("/html/body/div"));
assertEquals("foo", wrapper.getValue("/html/body/div/@id"));
}
@Test
public void testParseNestedContentWithNoCloseForBrAndHr() throws Exception {
parseNestedContentWithNoCloseForBrAndHr(nekoParser);
}
void parseNestedContentWithNoCloseForBrAndHr(GadgetHtmlParser htmlParser) throws Exception {
Document doc = htmlParser.parseDom("<div>x and y<br> and <hr>z</div>");
XPathWrapper wrapper = new XPathWrapper(doc);
assertEquals("x and y and z", wrapper.getValue("/html/body/div"));
assertEquals(1, wrapper.getNodeList("/html/body/div/br").getLength());
assertEquals(1, wrapper.getNodeList("/html/body/div/hr").getLength());
}
// TODO: figure out to what extent it makes sense to test "invalid"
// HTML, semi-structured HTML, and comment parsing
}