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https://issues.apache.org/jira/browse/NUTCH-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16148736#comment-16148736
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ASF GitHub Bot commented on NUTCH-2415:
---------------------------------------
jorgelbg commented on a change in pull request #219: NUTCH-2415 : Create a JEXL
based IndexingFilter
URL: https://github.com/apache/nutch/pull/219#discussion_r136290035
##########
File path:
src/plugin/index-jexl-filter/src/test/org/apache/nutch/indexer/filter/TestJexlIndexingFilter.java
##########
@@ -0,0 +1,80 @@
+/*
+ * 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.filter;
+
+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.indexer.NutchDocument;
+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 TestJexlIndexingFilter {
+
+ @Test
+ public void testBasicIndexingFilter() throws Exception {
+ Configuration conf = NutchConfiguration.create();
+ conf.set("index.jexl.filter", "doc.lang[0]=='en'");
+
+ JexlIndexingFilter filter = new JexlIndexingFilter();
+ filter.setConf(conf);
+ Assert.assertNotNull(filter);
+
+ NutchDocument doc = new NutchDocument();
+
+ String title = "The Foo Page";
+ Outlink[] outlinks = new Outlink[] { new
Outlink("http://foo.com/";, "Foo") };
+ Metadata metaData = new Metadata();
+ metaData.add("Language", "en/us");
+ ParseData parseData = new ParseData(ParseStatus.STATUS_SUCCESS,
title, outlinks, metaData);
+ ParseImpl parse = new ParseImpl("this is a sample foo bar page.
hope you enjoy it.", parseData);
+
+ CrawlDatum crawlDatum = new CrawlDatum();
+ crawlDatum.setFetchTime(100L);
+
+ Inlinks inlinks = new Inlinks();
+
+ doc.add("lang", "en");
+
+ try {
+ NutchDocument result = filter.filter(doc, parse, new
Text("http://nutch.apache.org/index.html";), crawlDatum, inlinks);
+ Assert.assertNotNull(result);
+ Assert.assertEquals(doc, result);
+ } catch (Exception e) {
+ e.printStackTrace();
+ Assert.fail(e.getMessage());
+ }
+
+ doc.removeField("lang");
Review comment:
This should be a separated test case something like
`testBlockNotMatchingDocuments`. In tests is ok if we have a bit of repetition,
but the idea is that each test contains one specific scenario (test case).
It would be also great if you could add a test for when the expression is
missing/invalid expression is entered, just checking that the proper exception
get's triggered could do the trick.
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> Create a JEXL based IndexingFilter
> ----------------------------------
>
> Key: NUTCH-2415
> URL: https://issues.apache.org/jira/browse/NUTCH-2415
> Project: Nutch
> Issue Type: New Feature
> Components: plugin
> Affects Versions: 1.13
> Reporter: Yossi Tamari
> Assignee: Jorge Luis Betancourt Gonzalez
> Priority: Minor
>
> Following on NUTCH-2414 and NUTCH-2412, the requirement was raised for a
> IndexingFilter plugin which will decide whether to index a document based on
> a JEXL expression.
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