/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * 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.
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/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.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.documentMapperParser().parse("_doc", documentMapper.mappingSource());

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