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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.
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package org.elasticsearch.index.mapper;

import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.DocumentMapperParser;
import org.elasticsearch.index.mapper.MapperParsingException;
import org.elasticsearch.index.mapper.ParsedDocument;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.InternalSettingsPlugin;

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

import java.io.IOException;
import java.util.Collection;

public class IndexFieldMapperTests extends ESSingleNodeTestCase {

    @Override
    protected Collection<Class<? extends Plugin>> getPlugins() {
        return pluginList(InternalSettingsPlugin.class);
    }

    public void testDefaultDisabledIndexMapper() 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(SourceToParse.source("test", "type", "1", XContentFactory.jsonBuilder()
                .startObject()
                .field("field", "value")
                .endObject()
                .bytes(),
                XContentType.JSON));

        assertThat(doc.rootDoc().get("_index"), nullValue());
        assertThat(doc.rootDoc().get("field"), equalTo("value"));
    }

    public void testIndexNotConfigurable() throws IOException {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("_index").endObject()
                .endObject().endObject().string();
        DocumentMapperParser parser = createIndex("test").mapperService().documentMapperParser();
        MapperParsingException e = expectThrows(MapperParsingException.class,
                () -> parser.parse("type", new CompressedXContent(mapping)));
        assertEquals("_index is not configurable", e.getMessage());
    }

}
