lucene/contrib/highlighter/src/test/org/apache/lucene/search/vectorhighlight/ScoreOrderFragmentsBuilderTest.java

package org.apache.lucene.search.vectorhighlight;

/**
 * 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.
 */

import org.apache.lucene.search.Query;

public class ScoreOrderFragmentsBuilderTest extends AbstractTestCase {
  
  public void test3Frags() throws Exception {
    FieldFragList ffl = ffl( "a c", "a b b b b b b b b b b b a b a b b b b b c a a b b" );
    ScoreOrderFragmentsBuilder sofb = new ScoreOrderFragmentsBuilder();
    String[] f = sofb.createFragments( reader, 0, F, ffl, 3 );
    assertEquals( 3, f.length );
    // check score order
    assertEquals( "<b>c</b> <b>a</b> <b>a</b> b b ", f[0] );
    assertEquals( "b b <b>a</b> b <b>a</b> b b b b b c", f[1] );
    assertEquals( "<b>a</b> b b b b b b b b b b", f[2] );
  }

  private FieldFragList ffl( String queryValue, String indexValue ) throws Exception {
    make1d1fIndex( indexValue );
    Query query = paW.parse( queryValue );
    FieldQuery fq = new FieldQuery( query, true, true );
    FieldTermStack stack = new FieldTermStack( reader, 0, F, fq );
    FieldPhraseList fpl = new FieldPhraseList( stack, fq );
    return new SimpleFragListBuilder().createFieldFragList( fpl, 20 );
  }
}