/*
 * 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;

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.tests.util.LuceneTestCase;

public class TestIndriAndQueryVisit extends LuceneTestCase {

  public void testTermCollectorSeesClauseTerms() {
    Term a = new Term("f", "a");
    Term b = new Term("f", "b");
    Query query =
        new IndriAndQuery(
            List.of(
                new BooleanClause(new TermQuery(a), Occur.SHOULD),
                new BooleanClause(new TermQuery(b), Occur.SHOULD)));
    Set<Term> terms = new HashSet<>();
    query.visit(QueryVisitor.termCollector(terms));
    // expected: both clause terms [f:a, f:b], as for a BooleanQuery of the same clauses; actual: []
    assertEquals(Set.of(a, b), terms);
  }
}
