Package org.apache.nutch.parse.tika

Source Code of org.apache.nutch.parse.tika.TestOOParser

/**
* 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.tika;

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.ByteBuffer;

import org.junit.Test;
import static org.junit.Assert.*;

import org.apache.avro.util.Utf8;
import org.apache.hadoop.conf.Configuration;
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;

/**
* Unit tests for OOParser.
*
* @author Andrzej Bialecki
*/
public class TestOOParser {

  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-oo/build.xml during plugin compilation.
  private String[] sampleFiles = { "ootest.odt", "ootest.sxw" };

  private String sampleText = "ootest.txt";

  private String expectedText;

  @Test
  public void testIt() throws ProtocolException, ParseException, IOException {
    String urlString;
    Parse parse;
    Configuration conf = NutchConfiguration.create();
    MimeUtil mimeutil = new MimeUtil(conf);
 
    try {
      // read the test string
      FileInputStream fis = new FileInputStream(sampleDir + fileSeparator
        + sampleText);
      StringBuffer sb = new StringBuffer();
      int len = 0;
      InputStreamReader isr = new InputStreamReader(fis, "UTF-8");
      char[] buf = new char[1024];
      while ((len = isr.read(buf)) > 0) {
        sb.append(buf, 0, len);
      }
      isr.close();
      expectedText = sb.toString();
      // normalize space
      expectedText = expectedText.replaceAll("[ \t\r\n]+", " ");
    } catch (Exception e) {
      e.printStackTrace();
    }

    System.out.println("Expected : " + expectedText);

    for (int i = 0; i < sampleFiles.length; i++) {
      urlString = "file:" + sampleDir + fileSeparator + sampleFiles[i];

      if (sampleFiles[i].startsWith("ootest") == false)
      continue;

      File file = new File(sampleDir + fileSeparator + sampleFiles[i]);
      byte[] bytes = new byte[(int) file.length()];
      DataInputStream in = new DataInputStream(new FileInputStream(file));
      in.readFully(bytes);
      in.close();

      WebPage page = new WebPage();
      page.setBaseUrl(new Utf8(urlString));
      page.setContent(ByteBuffer.wrap(bytes));
      String mtype = mimeutil.getMimeType(file);
      page.setContentType(new Utf8(mtype));

      parse = new ParseUtil(conf).parse(urlString, page);

      String text = parse.getText().replaceAll("[ \t\r\n]+", " ").trim();

      // simply test for the presence of a text - the ordering of the
      // elements
      // may differ from what was expected
      // in the previous tests
      assertTrue(text != null && text.length() > 0);

      System.out.println("Found " + sampleFiles[i] + ": " + text);
    }
  }

}
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