| /* |
| * 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.js; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.lang.invoke.MethodHandles; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.Text; |
| import org.apache.nutch.crawl.CrawlDatum; |
| import org.apache.nutch.parse.Outlink; |
| import org.apache.nutch.parse.Parse; |
| import org.apache.nutch.parse.ParseException; |
| import org.apache.nutch.parse.ParseUtil; |
| import org.apache.nutch.protocol.Content; |
| import org.apache.nutch.protocol.Protocol; |
| import org.apache.nutch.protocol.ProtocolException; |
| import org.apache.nutch.protocol.ProtocolFactory; |
| import org.apache.nutch.util.NutchConfiguration; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * JUnit test case for {@link JSParseFilter} which tests |
| * <ol> |
| * <li>That 2 outlinks are extracted from JavaScript snippets embedded in |
| * HTML</li> |
| * <li>That X outlinks are extracted from a pure JavaScript file (this is |
| * temporarily disabled)</li> |
| * </ol> |
| */ |
| public class TestJSParseFilter { |
| |
| private static final Logger LOG = LoggerFactory |
| .getLogger(MethodHandles.lookup().lookupClass()); |
| |
| 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-js/build.xml during plugin compilation. |
| |
| private Configuration conf; |
| |
| @Before |
| public void setUp() { |
| conf = NutchConfiguration.create(); |
| conf.set("file.content.limit", "-1"); |
| conf.set("plugin.includes", "protocol-file|parse-(html|js)"); |
| } |
| |
| public Outlink[] getOutlinks(String sampleFile) |
| throws ProtocolException, ParseException, IOException { |
| String urlString; |
| Parse parse; |
| |
| urlString = "file:" + sampleDir + fileSeparator + sampleFile; |
| LOG.info("Parsing {}", urlString); |
| Protocol protocol = new ProtocolFactory(conf).getProtocol(urlString); |
| Content content = protocol |
| .getProtocolOutput(new Text(urlString), new CrawlDatum()).getContent(); |
| parse = new ParseUtil(conf).parse(content).get(content.getUrl()); |
| LOG.info(parse.getData().toString()); |
| return parse.getData().getOutlinks(); |
| } |
| |
| @Test |
| public void testJavaScriptOutlinkExtraction() |
| throws ProtocolException, ParseException, IOException { |
| String[] filenames = new File(sampleDir).list(); |
| for (int i = 0; i < filenames.length; i++) { |
| Outlink[] outlinks = getOutlinks(filenames[i]); |
| if (filenames[i].endsWith("parse_pure_js_test.js")) { |
| assertEquals("number of outlinks in .js test file should be X", 2, |
| outlinks.length); |
| assertEquals("http://search.lucidimagination.com/p:nutch", outlinks[0].getToUrl()); |
| assertEquals("http://search-lucene.com/nutch", outlinks[1].getToUrl()); |
| } else { |
| assertTrue("number of outlinks in .html file should be at least 2", outlinks.length >= 2); |
| Set<String> outlinkSet = new TreeSet<>(); |
| for (Outlink o : outlinks) { |
| outlinkSet.add(o.getToUrl()); |
| } |
| assertTrue("http://search.lucidimagination.com/p:nutch not in outlinks", |
| outlinkSet.contains("http://search.lucidimagination.com/p:nutch")); |
| assertTrue("http://search-lucene.com/nutch not in outlinks", |
| outlinkSet.contains("http://search-lucene.com/nutch")); |
| } |
| } |
| } |
| |
| } |