SimpleMapperTests.java example

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 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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package org.elasticsearch.index.mapper.simple;

import com.google.common.base.Charsets;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.mapper.*;
import org.elasticsearch.index.mapper.ParseContext.Document;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.junit.Test;

import static org.elasticsearch.test.StreamsUtils.copyToBytesFromClasspath;
import static org.elasticsearch.test.StreamsUtils.copyToStringFromClasspath;
import static org.elasticsearch.index.mapper.MapperBuilders.*;
import static org.hamcrest.Matchers.equalTo;

/**
 *
 */
public class SimpleMapperTests extends ESSingleNodeTestCase {

    @Test
    public void testSimpleMapper() throws Exception {
        IndexService indexService = createIndex("test");
        DocumentMapper docMapper = doc(
                rootObject("person")
                        .add(object("name").add(stringField("first").store(true).index(false))),
            indexService.mapperService()).build(indexService.mapperService());

        BytesReference json = new BytesArray(copyToBytesFromClasspath("/org/elasticsearch/index/mapper/simple/test1.json"));
        Document doc = docMapper.parse("test", "person", "1", json).rootDoc();

        assertThat(doc.get(docMapper.mappers().getMapper("name.first").fieldType().names().indexName()), equalTo("shay"));
//        System.out.println("Document: " + doc);
//        System.out.println("Json: " + docMapper.sourceMapper().value(doc));
        doc = docMapper.parse("test", "person", "1", json).rootDoc();
//        System.out.println("Document: " + doc);
//        System.out.println("Json: " + docMapper.sourceMapper().value(doc));
    }

    @Test
    public void testParseToJsonAndParse() throws Exception {
        String mapping = copyToStringFromClasspath("/org/elasticsearch/index/mapper/simple/test-mapping.json");
        DocumentMapperParser parser = createIndex("test").mapperService().documentMapperParser();
        DocumentMapper docMapper = parser.parse("person", new CompressedXContent(mapping));
        String builtMapping = docMapper.mappingSource().string();
//        System.out.println(builtMapping);
        // reparse it
        DocumentMapper builtDocMapper = parser.parse("person", new CompressedXContent(builtMapping));
        BytesReference json = new BytesArray(copyToBytesFromClasspath("/org/elasticsearch/index/mapper/simple/test1.json"));
        Document doc = builtDocMapper.parse("test", "person", "1", json).rootDoc();
        assertThat(doc.get(docMapper.uidMapper().fieldType().names().indexName()), equalTo(Uid.createUid("person", "1")));
        assertThat(doc.get(docMapper.mappers().getMapper("name.first").fieldType().names().indexName()), equalTo("shay"));
//        System.out.println("Document: " + doc);
//        System.out.println("Json: " + docMapper.sourceMapper().value(doc));
    }

    @Test
    public void testSimpleParser() throws Exception {
        String mapping = copyToStringFromClasspath("/org/elasticsearch/index/mapper/simple/test-mapping.json");
        DocumentMapper docMapper = createIndex("test").mapperService().documentMapperParser().parse("person", new CompressedXContent(mapping));

        assertThat((String) docMapper.meta().get("param1"), equalTo("value1"));

        BytesReference json = new BytesArray(copyToBytesFromClasspath("/org/elasticsearch/index/mapper/simple/test1.json"));
        Document doc = docMapper.parse("test", "person", "1", json).rootDoc();
        assertThat(doc.get(docMapper.uidMapper().fieldType().names().indexName()), equalTo(Uid.createUid("person", "1")));
        assertThat(doc.get(docMapper.mappers().getMapper("name.first").fieldType().names().indexName()), equalTo("shay"));
//        System.out.println("Document: " + doc);
//        System.out.println("Json: " + docMapper.sourceMapper().value(doc));
    }

    @Test
    public void testSimpleParserNoTypeNoId() throws Exception {
        String mapping = copyToStringFromClasspath("/org/elasticsearch/index/mapper/simple/test-mapping.json");
        DocumentMapper docMapper = createIndex("test").mapperService().documentMapperParser().parse("person", new CompressedXContent(mapping));
        BytesReference json = new BytesArray(copyToBytesFromClasspath("/org/elasticsearch/index/mapper/simple/test1-notype-noid.json"));
        Document doc = docMapper.parse("test", "person", "1", json).rootDoc();
        assertThat(doc.get(docMapper.uidMapper().fieldType().names().indexName()), equalTo(Uid.createUid("person", "1")));
        assertThat(doc.get(docMapper.mappers().getMapper("name.first").fieldType().names().indexName()), equalTo("shay"));
//        System.out.println("Document: " + doc);
//        System.out.println("Json: " + docMapper.sourceMapper().value(doc));
    }

    @Test
    public void testAttributes() throws Exception {
        String mapping = copyToStringFromClasspath("/org/elasticsearch/index/mapper/simple/test-mapping.json");
        DocumentMapperParser parser = createIndex("test").mapperService().documentMapperParser();
        DocumentMapper docMapper = parser.parse("person", new CompressedXContent(mapping));

        assertThat((String) docMapper.meta().get("param1"), equalTo("value1"));

        String builtMapping = docMapper.mappingSource().string();
        DocumentMapper builtDocMapper = parser.parse("person", new CompressedXContent(builtMapping));
        assertThat((String) builtDocMapper.meta().get("param1"), equalTo("value1"));
    }

    @Test
    public void testNoDocumentSent() throws Exception {
        IndexService indexService = createIndex("test");
        DocumentMapper docMapper = doc(
                rootObject("person")
                        .add(object("name").add(stringField("first").store(true).index(false))),
            indexService.mapperService()).build(indexService.mapperService());

        BytesReference json = new BytesArray("".getBytes(Charsets.UTF_8));
        try {
            docMapper.parse("test", "person", "1", json).rootDoc();
            fail("this point is never reached");
        } catch (MapperParsingException e) {
            assertThat(e.getMessage(), equalTo("failed to parse, document is empty"));
        }
    }

    public void testHazardousFieldNames() throws Exception {
        IndexService indexService = createIndex("test");
        DocumentMapperParser mapperParser = indexService.mapperService().documentMapperParser();
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type").startObject("properties")
            .startObject("foo.bar").field("type", "string").endObject()
            .endObject().endObject().string();
        try {
            mapperParser.parse("type", new CompressedXContent(mapping));
            fail("Mapping parse should have failed");
        } catch (MapperParsingException e) {
            assertTrue(e.getMessage(), e.getMessage().contains("cannot contain '.'"));
        }
    }
}