/*
 * 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.facet.range;

import java.util.List;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.DoubleValuesSource;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.ByteBuffersDirectory;
import org.apache.lucene.store.Directory;
import org.apache.lucene.tests.util.LuceneTestCase;

public class TestDoubleRangeGetQueryRewritesSource extends LuceneTestCase {

  public void testGetQueryOverQueryScoreSource() throws Exception {
    try (Directory dir = new ByteBuffersDirectory()) {
      try (IndexWriter w = new IndexWriter(dir, new IndexWriterConfig())) {
        w.addDocument(List.of(new TextField("f", "a", Field.Store.NO)));
      }
      try (DirectoryReader reader = DirectoryReader.open(dir)) {
        DoubleValuesSource score = DoubleValuesSource.fromQuery(new TermQuery(new Term("f", "a")));
        DoubleRange range = new DoubleRange("score > 0", 0, false, Double.POSITIVE_INFINITY, true);
        int count;
        try {
          count = new IndexSearcher(reader).count(range.getQuery(null, score));
        } catch (UnsupportedOperationException e) {
          // Expected count 1 (the doc scores > 0); actual: the unrewritten source throws
          throw new AssertionError("expected count 1, got " + e, e);
        }
        assertEquals(1, count);
      }
    }
  }
}