| /** |
| * 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.metatags; |
| |
| 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.metadata.Metadata; |
| import org.apache.nutch.parse.Parse; |
| import org.apache.nutch.parse.ParseUtil; |
| import org.apache.nutch.protocol.Content; |
| import org.apache.nutch.protocol.Protocol; |
| import org.apache.nutch.protocol.ProtocolFactory; |
| import org.apache.nutch.util.NutchConfiguration; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestMetatagParser { |
| |
| private String fileSeparator = System.getProperty("file.separator"); |
| private String sampleDir = System.getProperty("test.data", "."); |
| private String sampleFile = "testMetatags.html"; |
| private String sampleFileMultival = "testMultivalueMetatags.html"; |
| private String description = "This is a test of description"; |
| private String keywords = "This is a test of keywords"; |
| |
| public Metadata parseMeta(String fileName, Configuration conf) { |
| Metadata metadata = null; |
| try { |
| String urlString = "file:" + sampleDir + fileSeparator + fileName; |
| Protocol protocol = new ProtocolFactory(conf).getProtocol(urlString); |
| Content content = protocol.getProtocolOutput(new Text(urlString), |
| new CrawlDatum()).getContent(); |
| Parse parse = new ParseUtil(conf).parse(content).get(content.getUrl()); |
| metadata = parse.getData().getParseMeta(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| Assert.fail(e.toString()); |
| } |
| return metadata; |
| } |
| |
| @Test |
| /** test defaults: keywords and description */ |
| public void testIt() { |
| Configuration conf = NutchConfiguration.create(); |
| |
| // check that we get the same values |
| Metadata parseMeta = parseMeta(sampleFile, conf); |
| |
| Assert.assertEquals(description, parseMeta.get("metatag.description")); |
| Assert.assertEquals(keywords, parseMeta.get("metatag.keywords")); |
| } |
| |
| @Test |
| /** test multiple metatags resulting in metadata with multiple values */ |
| public void testMultiValueMetatags() { |
| Configuration conf = NutchConfiguration.create(); |
| conf.set("metatags.names", "keywords,DC.creator"); |
| conf.set("index.parse.md", "metatag.keywords,metatag.dc.creator"); |
| |
| Metadata parseMeta = parseMeta(sampleFileMultival, conf); |
| |
| String failMessage = "One value of metatag with multiple values is missing: "; |
| |
| Set<String> valueSet = new TreeSet<String>(); |
| for (String val : parseMeta.getValues("metatag.dc.creator")) { |
| valueSet.add(val); |
| } |
| String[] expectedValues1 = { "Doug Cutting", "Michael Cafarella" }; |
| for (String val : expectedValues1) { |
| Assert.assertTrue(failMessage + val, valueSet.contains(val)); |
| } |
| |
| valueSet.clear(); |
| for (String val : parseMeta.getValues("metatag.keywords")) { |
| valueSet.add(val); |
| } |
| String[] expectedValues2 = { "robot d'indexation", "web crawler", |
| "Webcrawler" }; |
| for (String val : expectedValues2) { |
| Assert.assertTrue(failMessage + val, valueSet.contains(val)); |
| } |
| } |
| |
| } |