tokenoffsetpayloadtokenfiltertest.java

Lucene a java open-source SearchEngine Framework

package org.apache.lucene.analysis.payloads;

/**
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed 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.
 */

import junit.framework.TestCase;
import org.apache.lucene.analysis.Token;
import org.apache.lucene.analysis.WhitespaceTokenizer;
import org.apache.lucene.index.Payload;

import java.io.IOException;
import java.io.StringReader;

public class TokenOffsetPayloadTokenFilterTest extends TestCase {


  public TokenOffsetPayloadTokenFilterTest(String s) {
    super(s);
  }

  protected void setUp() {
  }

  protected void tearDown() {

  }

  public void test() throws IOException {
    String test = "The quick red fox jumped over the lazy brown dogs";

    TokenOffsetPayloadTokenFilter nptf = new TokenOffsetPayloadTokenFilter(new WhitespaceTokenizer(new StringReader(test)));
    Token tok = new Token();
    int count = 0;
    while ((tok = nptf.next(tok)) != null){
      assertTrue("tok is null and it shouldn't be", tok != null);
      Payload pay = tok.getPayload();
      assertTrue("pay is null and it shouldn't be", pay != null);
      byte [] data = pay.getData();
      int start = PayloadHelper.decodeInt(data, 0);
      assertTrue(start + " does not equal: " + tok.startOffset(), start == tok.startOffset());
      int end = PayloadHelper.decodeInt(data, 4);
      assertTrue(end + " does not equal: " + tok.endOffset(), end == tok.endOffset());
      count++;
    }
    assertTrue(count + " does not equal: " + 10, count == 10);

  }


}