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Elasticsearch subproject :test:framework
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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.index;

import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.analysis.IndexAnalyzers;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.similarity.SimilarityService;
import org.elasticsearch.indices.IndicesModule;
import org.elasticsearch.indices.mapper.MapperRegistry;
import org.elasticsearch.test.IndexSettingsModule;

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(Path tempDir, Settings indexSettings) throws IOException {
        IndicesModule indicesModule = new IndicesModule(Collections.emptyList());
        return newMapperService(tempDir, indexSettings, indicesModule);
    }

    public static MapperService newMapperService(Path tempDir, Settings settings, IndicesModule indicesModule) 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, Version.CURRENT);
        }
        Settings finalSettings = settingsBuilder.build();
        MapperRegistry mapperRegistry = indicesModule.getMapperRegistry();
        IndexSettings indexSettings = IndexSettingsModule.newIndexSettings("test", finalSettings);
        IndexAnalyzers indexAnalyzers = createTestAnalysis(indexSettings, finalSettings).indexAnalyzers;
        SimilarityService similarityService = new SimilarityService(indexSettings, Collections.emptyMap());
        return new MapperService(indexSettings,
            indexAnalyzers,
            similarityService,
            mapperRegistry,
            () -> null);
    }
}