/*
 * 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", the "GNU Affero General Public License v3.0 only", 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", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.index.mapper;

public class CamelCaseFieldNameTests extends MapperServiceTestCase {

    public void testCamelCaseFieldNameStaysAsIs() throws Exception {

        MapperService mapperService = createMapperService(mapping(b -> {}));

        ParsedDocument doc = mapperService.documentMapper().parse(source(b -> b.field("thisIsCamelCase", "value1")));

        assertNotNull(doc.dynamicMappingsUpdate());

        merge(mapperService, dynamicMapping(doc.dynamicMappingsUpdate()));

        DocumentMapper documentMapper = mapperService.documentMapper();
        assertNotNull(documentMapper.mappers().getMapper("thisIsCamelCase"));
        assertNull(documentMapper.mappers().getMapper("this_is_camel_case"));

        documentMapper = mapperService.merge("_doc", documentMapper.mappingSource(), MapperService.MergeReason.MAPPING_UPDATE);

        assertNotNull(documentMapper.mappers().getMapper("thisIsCamelCase"));
        assertNull(documentMapper.mappers().getMapper("this_is_camel_case"));
    }
}