/*
 * 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.misc.index;

import java.util.List;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.NumericDocValuesField;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.SoftDeletesDirectoryReaderWrapper;
import org.apache.lucene.index.Term;
import org.apache.lucene.store.ByteBuffersDirectory;
import org.apache.lucene.store.Directory;
import org.apache.lucene.tests.util.LuceneTestCase;

public class TestMultiPassIndexSplitterSoftDeletes extends LuceneTestCase {

  public void testSplitIndexWithSoftDeletes() throws Exception {
    Directory dir = new ByteBuffersDirectory();
    try (IndexWriter w = new IndexWriter(dir, new IndexWriterConfig().setSoftDeletesField("soft"))) {
      w.addDocument(List.of(new StringField("id", "a", Field.Store.NO)));
      w.addDocument(List.of(new StringField("id", "b", Field.Store.NO)));
      w.softUpdateDocument(
          new Term("id", "b"),
          List.of(new StringField("id", "b", Field.Store.NO)),
          new NumericDocValuesField("soft", 1));
    }
    Directory[] parts = {new ByteBuffersDirectory(), new ByteBuffersDirectory()};
    try (DirectoryReader reader =
        new SoftDeletesDirectoryReaderWrapper(DirectoryReader.open(dir), "soft")) {
      new MultiPassIndexSplitter().split(reader, parts, true);
    } catch (IllegalArgumentException e) {
      throw new AssertionError("expected the 2 live docs split into 2 parts, got: " + e, e);
    }
  }
}