/*
* 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 java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.apache.avro.util.Utf8;
import org.apache.hadoop.conf.Configuration;
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.ProtocolException;
import org.apache.nutch.storage.WebPage;
import org.apache.nutch.util.MimeUtil;
import org.apache.nutch.util.NutchConfiguration;
import org.junit.Test;
import junit.framework.TestCase;
/**
* JUnit test case for {@link JSParseFilter} which tests
* 1. That 5 outlinks are extracted from JavaScript snippets embedded in HTML
* 2. That X outlinks are extracted from a pure JavaScript file (this is temporarily disabled)
*
* @author lewismc
*/
public class TestJSParseFilter 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-js/build.xml during plugin compilation.
private String[] sampleFiles = { "parse_pure_js_test.js", "parse_embedded_js_test.html" };
private Configuration conf;
public TestJSParseFilter(String name) {
super(name);
}
protected void setUp() {
conf = NutchConfiguration.create();
conf.set("file.content.limit", "-1");
}
protected void tearDown() {
}
public Outlink[] getOutlinks(String[] sampleFiles) throws ProtocolException, ParseException, IOException {
String urlString;
Parse parse;
urlString = "file:" + sampleDir + fileSeparator + sampleFiles;
File file = new File(urlString);
byte[] bytes = new byte[(int) file.length()];
DataInputStream dip = new DataInputStream(new FileInputStream(file));
dip.readFully(bytes);
dip.close();
WebPage page = new WebPage();
page.setBaseUrl(new Utf8(urlString));
page.setContent(ByteBuffer.wrap(bytes));
MimeUtil mutil = new MimeUtil(conf);
String mime = mutil.getMimeType(file);
page.setContentType(new Utf8(mime));
parse = new ParseUtil(conf).parse(urlString, page);
return parse.getOutlinks();
}
@Test
public void testOutlinkExtraction() throws ProtocolException, ParseException, IOException {
String[] filenames = new File(sampleDir).list();
for (int i = 0; i < filenames.length; i++) {
if (filenames[i].endsWith(".js") == true) {
assertEquals("number of outlinks in .js test file should be 5", 5, getOutlinks(sampleFiles));
// temporarily disabled as a suitable pure JS file could not be be found.
//} else {
//assertEquals("number of outlinks in .html file should be X", 5, getOutlinks(sampleFiles));
}
}
}
}