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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.mapper;

import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.IdFieldMapper;
import org.elasticsearch.index.mapper.MapperParsingException;
import org.elasticsearch.index.mapper.ParsedDocument;
import org.elasticsearch.index.mapper.SourceToParse;
import org.elasticsearch.index.mapper.UidFieldMapper;
import org.elasticsearch.test.ESSingleNodeTestCase;

import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;

public class IdFieldMapperTests extends ESSingleNodeTestCase {

    public void testId() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .endObject().endObject().string();
        DocumentMapper docMapper = createIndex("test").mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        ParsedDocument doc = docMapper.parse("test", "type", "1", XContentFactory.jsonBuilder()
                .startObject()
                .endObject()
                .bytes());

        assertThat(doc.rootDoc().get(UidFieldMapper.NAME), notNullValue());
        assertThat(doc.rootDoc().get(IdFieldMapper.NAME), nullValue());
    }

    public void testIncludeInObjectNotAllowed() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type").endObject().endObject().string();
        DocumentMapper docMapper = createIndex("test").mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        try {
            docMapper.parse(SourceToParse.source("test", "type", "1", XContentFactory.jsonBuilder()
                .startObject().field("_id", "1").endObject().bytes(), XContentType.JSON));
            fail("Expected failure to parse metadata field");
        } catch (MapperParsingException e) {
            assertTrue(e.getMessage(), e.getMessage().contains("Field [_id] is a metadata field and cannot be added inside a document"));
        }
    }
}