/*
* 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.indexer;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.Text;
import org.apache.nutch.crawl.CrawlDatum;
import org.apache.nutch.crawl.Inlinks;
import org.apache.nutch.metadata.Metadata;
import org.apache.nutch.parse.Outlink;
import org.apache.nutch.parse.ParseData;
import org.apache.nutch.parse.ParseImpl;
import org.apache.nutch.parse.ParseStatus;
import org.apache.nutch.util.NutchConfiguration;
import org.junit.Assert;
import org.junit.Test;
public class TestIndexingFilters {
/**
* Test behaviour when defined filter does not exist.
* @throws IndexingException
*/
@Test
public void testNonExistingIndexingFilter() throws IndexingException {
Configuration conf = NutchConfiguration.create();
conf.addResource("nutch-default.xml");
conf.addResource("crawl-tests.xml");
String class1 = "NonExistingFilter";
String class2 = "org.apache.nutch.indexer.basic.BasicIndexingFilter";
conf.set(IndexingFilters.INDEXINGFILTER_ORDER, class1 + " " + class2);
IndexingFilters filters = new IndexingFilters(conf);
filters.filter(new NutchDocument(), new ParseImpl("text", new ParseData(
new ParseStatus(), "title", new Outlink[0], new Metadata())), new Text(
"http://www.example.com/"), new CrawlDatum(), new Inlinks());
}
/**
* Test behaviour when NutchDOcument is null
*/
@Test
public void testNutchDocumentNullIndexingFilter() throws IndexingException{
Configuration conf = NutchConfiguration.create();
conf.addResource("nutch-default.xml");
conf.addResource("crawl-tests.xml");
IndexingFilters filters = new IndexingFilters(conf);
NutchDocument doc = filters.filter(null, new ParseImpl("text", new ParseData(
new ParseStatus(), "title", new Outlink[0], new Metadata())), new Text(
"http://www.example.com/"), new CrawlDatum(), new Inlinks());
Assert.assertNull(doc);
}
/**
* Test behaviour when reset the index filter order will not take effect
*
* @throws IndexingException
*/
@Test
public void testFilterCacheIndexingFilter() throws IndexingException{
Configuration conf = NutchConfiguration.create();
conf.addResource("nutch-default.xml");
conf.addResource("crawl-tests.xml");
String class1 = "org.apache.nutch.indexer.basic.BasicIndexingFilter";
conf.set(IndexingFilters.INDEXINGFILTER_ORDER, class1);
IndexingFilters filters1 = new IndexingFilters(conf);
NutchDocument fdoc1 = filters1.filter(new NutchDocument(),new ParseImpl("text",new ParseData(
new ParseStatus(),"title",new Outlink[0],new Metadata())),new Text("http://www.example.com/"),
new CrawlDatum(),new Inlinks());
// add another index filter
String class2 = "org.apache.nutch.indexer.metadata.MetadataIndexer";
// set content metadata
Metadata md = new Metadata();
md.add("example","data");
// set content metadata property defined in MetadataIndexer
conf.set("index.content.md","example");
// add MetadataIndxer filter
conf.set(IndexingFilters.INDEXINGFILTER_ORDER, class1 + " " + class2);
IndexingFilters filters2 = new IndexingFilters(conf);
NutchDocument fdoc2 = filters2.filter(new NutchDocument(),new ParseImpl("text",new ParseData(
new ParseStatus(),"title",new Outlink[0],md)),new Text("http://www.example.com/"),
new CrawlDatum(),new Inlinks());
Assert.assertEquals(fdoc1.getFieldNames().size(),fdoc2.getFieldNames().size());
}
}