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Elasticsearch subproject :test:framework
There is a newer version: 8.16.0
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.index;

import org.apache.lucene.util.Accountable;
import org.elasticsearch.TransportVersion;
import org.elasticsearch.cluster.metadata.IndexMetadata;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.LoggingDeprecationHandler;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.analysis.IndexAnalyzers;
import org.elasticsearch.index.cache.bitset.BitsetFilterCache;
import org.elasticsearch.index.mapper.MapperMetrics;
import org.elasticsearch.index.mapper.MapperRegistry;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.similarity.SimilarityService;
import org.elasticsearch.indices.IndicesModule;
import org.elasticsearch.script.ScriptCompiler;
import org.elasticsearch.test.IndexSettingsModule;
import org.elasticsearch.xcontent.NamedXContentRegistry;
import org.elasticsearch.xcontent.XContentParserConfiguration;

import java.io.IOException;
import java.nio.file.Path;
import java.util.Collections;

import static org.elasticsearch.test.ESTestCase.createTestAnalysis;

public class MapperTestUtils {

    public static MapperService newMapperService(
        NamedXContentRegistry xContentRegistry,
        Path tempDir,
        Settings indexSettings,
        String indexName
    ) throws IOException {
        IndicesModule indicesModule = new IndicesModule(Collections.emptyList());
        return newMapperService(xContentRegistry, tempDir, indexSettings, indicesModule, indexName);
    }

    public static MapperService newMapperService(
        NamedXContentRegistry xContentRegistry,
        Path tempDir,
        Settings settings,
        IndicesModule indicesModule,
        String indexName
    ) throws IOException {
        Settings.Builder settingsBuilder = Settings.builder().put(Environment.PATH_HOME_SETTING.getKey(), tempDir).put(settings);
        if (settings.get(IndexMetadata.SETTING_VERSION_CREATED) == null) {
            settingsBuilder.put(IndexMetadata.SETTING_VERSION_CREATED, IndexVersion.current());
        }
        Settings finalSettings = settingsBuilder.build();
        MapperRegistry mapperRegistry = indicesModule.getMapperRegistry();
        IndexSettings indexSettings = IndexSettingsModule.newIndexSettings(indexName, finalSettings);
        IndexAnalyzers indexAnalyzers = createTestAnalysis(indexSettings, finalSettings).indexAnalyzers;
        SimilarityService similarityService = new SimilarityService(indexSettings, null, Collections.emptyMap());
        BitsetFilterCache bitsetFilterCache = new BitsetFilterCache(indexSettings, new BitsetFilterCache.Listener() {
            @Override
            public void onCache(ShardId shardId, Accountable accountable) {}

            @Override
            public void onRemoval(ShardId shardId, Accountable accountable) {}
        });
        return new MapperService(
            () -> TransportVersion.current(),
            indexSettings,
            indexAnalyzers,
            XContentParserConfiguration.EMPTY.withRegistry(xContentRegistry).withDeprecationHandler(LoggingDeprecationHandler.INSTANCE),
            similarityService,
            mapperRegistry,
            () -> null,
            indexSettings.getMode().idFieldMapperWithoutFieldData(),
            ScriptCompiler.NONE,
            bitsetFilterCache::getBitSetProducer,
            MapperMetrics.NOOP
        );
    }
}