/**
* 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.nutch.parse.rss;
import org.apache.nutch.protocol.ProtocolFactory;
import org.apache.nutch.protocol.Protocol;
import org.apache.nutch.protocol.Content;
import org.apache.nutch.protocol.ProtocolException;
import org.apache.nutch.parse.Parse;
import org.apache.nutch.parse.ParseUtil;
import org.apache.nutch.parse.ParseException;
import org.apache.nutch.parse.ParseData;
import org.apache.nutch.parse.Outlink;
import org.apache.hadoop.conf.Configuration;
import org.apache.nutch.util.NutchConfiguration;
import org.apache.hadoop.io.Text;
import org.apache.nutch.crawl.CrawlDatum;
import junit.framework.TestCase;
/**
* Unit tests for the RSS Parser based on John Xing's TestPdfParser class.
*
* @author mattmann
* @version 1.0
*/
public class TestRSSParser extends TestCase {
private String fileSeparator = System.getProperty("file.separator");
// This system property is defined in ./src/plugin/build-plugin.xml
private String sampleDir = System.getProperty("test.data", ".");
// Make sure sample files are copied to "test.data" as specified in
// ./src/plugin/parse-rss/build.xml during plugin compilation.
private String[] sampleFiles = { "rsstest.rss" };
/**
* <p>
* Default constructor
* </p>
*
* @param name
* The name of the RSSParserTest
*/
public TestRSSParser(String name) {
super(name);
}
/**
* <p>
* The test method: tests out the following 2 asserts:
* </p>
*
* <ul>
* <li>There are 3 outlinks read from the sample rss file</li>
* <li>The 3 outlinks read are in fact the correct outlinks from the sample
* file</li>
* </ul>
*/
public void testIt() throws ProtocolException, ParseException {
String urlString;
Protocol protocol;
Content content;
Parse parse;
Configuration conf = NutchConfiguration.create();
for (int i = 0; i < sampleFiles.length; i++) {
urlString = "file:" + sampleDir + fileSeparator + sampleFiles[i];
protocol = new ProtocolFactory(conf).getProtocol(urlString);
content = protocol.getProtocolOutput(new Text(urlString), new CrawlDatum()).getContent();
parse = new ParseUtil(conf).parseByExtensionId("parse-rss", content);
//check that there are 3 outlinks:
//http://test.channel.com
//http://www-scf.usc.edu/~mattmann/
//http://www.nutch.org
ParseData theParseData = parse.getData();
Outlink[] theOutlinks = theParseData.getOutlinks();
assertTrue("There aren't 3 outlinks read!", theOutlinks.length == 3);
//now check to make sure that those are the two outlinks
boolean hasLink1 = false, hasLink2 = false, hasLink3 = false;
for (int j = 0; j < theOutlinks.length; j++) {
//System.out.println("reading "+theOutlinks[j].getToUrl());
if (theOutlinks[j].getToUrl().equals(
"http://www-scf.usc.edu/~mattmann/")) {
hasLink1 = true;
}
if (theOutlinks[j].getToUrl().equals("http://www.nutch.org/")) {
hasLink2 = true;
}
if (theOutlinks[j].getToUrl()
.equals("http://test.channel.com/")) {
hasLink3 = true;
}
}
if (!hasLink1 || !hasLink2 || !hasLink3) {
fail("Outlinks read from sample rss file are not correct!");
}
}
}
}