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* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.cluster.metadata;
import org.elasticsearch.action.admin.indices.mapping.put.PutMappingClusterStateUpdateRequest;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.MapperParsingException;
import org.elasticsearch.test.ESSingleNodeTestCase;
import java.util.Collections;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
public class MetaDataMappingServiceTests extends ESSingleNodeTestCase {
// Tests _parent meta field logic, because part of the validation is in MetaDataMappingService
public void testAddChildTypePointingToAlreadyExistingType() throws Exception {
createIndex("test", Settings.EMPTY, "type", "field", "type=keyword");
// Shouldn't be able the add the _parent field pointing to an already existing type, which isn't a parent type
IllegalArgumentException e = expectThrows(IllegalArgumentException.class, () -> client().admin()
.indices()
.preparePutMapping("test")
.setType("child")
.setSource("_parent", "type=type")
.get());
assertThat(e.getMessage(),
equalTo("can't add a _parent field that points to an already existing type, that isn't already a parent"));
}
// Tests _parent meta field logic, because part of the validation is in MetaDataMappingService
public void testAddExtraChildTypePointingToAlreadyParentExistingType() throws Exception {
IndexService indexService = createIndex("test", client().admin().indices().prepareCreate("test")
.setSettings("index.mapping.single_type", false)
.addMapping("parent")
.addMapping("child1", "_parent", "type=parent")
);
// adding the extra child type that points to an already existing parent type is allowed:
client().admin()
.indices()
.preparePutMapping("test")
.setType("child2")
.setSource("_parent", "type=parent")
.get();
DocumentMapper documentMapper = indexService.mapperService().documentMapper("child2");
assertThat(documentMapper.parentFieldMapper().type(), equalTo("parent"));
assertThat(documentMapper.parentFieldMapper().active(), is(true));
}
public void testParentIsAString() throws Exception {
// Shouldn't be able the add the _parent field pointing to an already existing type, which isn't a parent type
Exception e = expectThrows(MapperParsingException.class, () -> client().admin().indices().prepareCreate("test")
.addMapping("parent", "{\"properties\":{}}", XContentType.JSON)
.addMapping("child", "{\"_parent\": \"parent\",\"properties\":{}}", XContentType.JSON)
.get());
assertEquals("Failed to parse mapping [child]: [_parent] must be an object containing [type]", e.getMessage());
}
public void testMappingClusterStateUpdateDoesntChangeExistingIndices() throws Exception {
final IndexService indexService = createIndex("test", client().admin().indices().prepareCreate("test").addMapping("type"));
final CompressedXContent currentMapping = indexService.mapperService().documentMapper("type").mappingSource();
final MetaDataMappingService mappingService = getInstanceFromNode(MetaDataMappingService.class);
final ClusterService clusterService = getInstanceFromNode(ClusterService.class);
// TODO - it will be nice to get a random mapping generator
final PutMappingClusterStateUpdateRequest request = new PutMappingClusterStateUpdateRequest().type("type");
request.source("{ \"properties\" { \"field\": { \"type\": \"string\" }}}");
mappingService.putMappingExecutor.execute(clusterService.state(), Collections.singletonList(request));
assertThat(indexService.mapperService().documentMapper("type").mappingSource(), equalTo(currentMapping));
}
public void testClusterStateIsNotChangedWithIdenticalMappings() throws Exception {
createIndex("test", client().admin().indices().prepareCreate("test").addMapping("type"));
final MetaDataMappingService mappingService = getInstanceFromNode(MetaDataMappingService.class);
final ClusterService clusterService = getInstanceFromNode(ClusterService.class);
final PutMappingClusterStateUpdateRequest request = new PutMappingClusterStateUpdateRequest().type("type");
request.source("{ \"properties\" { \"field\": { \"type\": \"string\" }}}");
ClusterState result = mappingService.putMappingExecutor.execute(clusterService.state(), Collections.singletonList(request))
.resultingState;
assertFalse(result != clusterService.state());
ClusterState result2 = mappingService.putMappingExecutor.execute(result, Collections.singletonList(request))
.resultingState;
assertSame(result, result2);
}
}