/*
 * 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.lucene.search.vectorhighlight;

import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;

public class TestScoreOrderFragmentsBuilder extends AbstractTestCase {

  public void test3Frags() throws Exception {
    BooleanQuery.Builder query = new BooleanQuery.Builder();
    query.add(new TermQuery(new Term(F, "a")), BooleanClause.Occur.SHOULD);
    query.add(new TermQuery(new Term(F, "c")), BooleanClause.Occur.SHOULD);

    FieldFragList ffl = ffl(query.build(), "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(Query query, String indexValue) throws Exception {
    make1d1fIndex(indexValue);
    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);
  }
}
