RoutingTypeMapperTests.java example

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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.index.mapper.routing;

import org.apache.lucene.index.IndexOptions;
import org.elasticsearch.Version;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MappingMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.json.JsonXContent;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.MapperParsingException;
import org.elasticsearch.index.mapper.ParsedDocument;
import org.elasticsearch.index.mapper.SourceToParse;
import org.elasticsearch.test.ESSingleNodeTestCase;

import java.util.Map;

import static org.hamcrest.Matchers.*;

public class RoutingTypeMapperTests extends ESSingleNodeTestCase {

    public void testRoutingMapper() 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(XContentFactory.jsonBuilder()
            .startObject()
            .field("field", "value")
            .endObject()
            .bytes()).type("type").id("1").routing("routing_value"));

        assertThat(doc.rootDoc().get("_routing"), equalTo("routing_value"));
        assertThat(doc.rootDoc().get("field"), equalTo("value"));
    }

    public void testFieldTypeSettingsBackcompat() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("_routing")
                .field("store", "no")
                .field("index", "no")
                .endObject()
                .endObject().endObject().string();
        Settings indexSettings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id).build();
        DocumentMapper docMapper = createIndex("test", indexSettings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));
        assertThat(docMapper.routingFieldMapper().fieldType().stored(), equalTo(false));
        assertEquals(IndexOptions.NONE, docMapper.routingFieldMapper().fieldType().indexOptions());
    }

    /*
    public void testFieldTypeSettingsSerializationBackcompat() throws Exception {
        String enabledMapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("_routing").field("store", "no").field("index", "no").endObject()
                .endObject().endObject().string();
        Settings indexSettings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id).build();
        DocumentMapper enabledMapper = createIndex("test", indexSettings).mapperService().documentMapperParser().parse("type", new CompressedXContent(enabledMapping));

        XContentBuilder builder = JsonXContent.contentBuilder().startObject();
        enabledMapper.routingFieldMapper().toXContent(builder, ToXContent.EMPTY_PARAMS).endObject();
        builder.close();
        Map<String, Object> serializedMap;
        try (XContentParser parser = JsonXContent.jsonXContent.createParser(builder.bytes())) {
            serializedMap = parser.map();
        }
        assertThat(serializedMap, hasKey("_routing"));
        assertThat(serializedMap.get("_routing"), instanceOf(Map.class));
        Map<String, Object> routingConfiguration = (Map<String, Object>) serializedMap.get("_routing");
        assertThat(routingConfiguration, hasKey("store"));
        assertThat(routingConfiguration.get("store").toString(), is("false"));
        assertThat(routingConfiguration, hasKey("index"));
        assertThat(routingConfiguration.get("index").toString(), is("no"));
    }
    */
    
    public void testPathBackcompat() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
            .startObject("_routing").field("path", "custom_routing").endObject()
            .endObject().endObject().string();
        Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id).build();
        DocumentMapper docMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        XContentBuilder doc = XContentFactory.jsonBuilder().startObject().field("custom_routing", "routing_value").endObject();
        MappingMetaData mappingMetaData = new MappingMetaData(docMapper);
        IndexRequest request = new IndexRequest("test", "type", "1").source(doc);
        request.process(MetaData.builder().build(), mappingMetaData, true, "test");

        assertEquals(request.routing(), "routing_value");
    }

    public void testIncludeInObjectBackcompat() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type").endObject().endObject().string();
        Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id).build();
        DocumentMapper docMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        XContentBuilder doc = XContentFactory.jsonBuilder().startObject().field("_routing", "foo").endObject();
        MappingMetaData mappingMetaData = new MappingMetaData(docMapper);
        IndexRequest request = new IndexRequest("test", "type", "1").source(doc);
        request.process(MetaData.builder().build(), mappingMetaData, true, "test");

        // _routing in a document never worked, so backcompat is ignoring the field
        assertNull(request.routing());
        assertNull(docMapper.parse("test", "type", "1", doc.bytes()).rootDoc().get("_routing"));
    }

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