/*
* 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.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.CannedTokenStream;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.Token;
import org.apache.lucene.analysis.TokenStream;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.InternalSettingsPlugin;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;
/**
* Test for {@link TokenCountFieldMapper}.
*/
public class TokenCountFieldMapperTests extends ESSingleNodeTestCase {
public void testMerge() throws IOException {
String stage1Mapping = XContentFactory.jsonBuilder().startObject()
.startObject("person")
.startObject("properties")
.startObject("tc")
.field("type", "token_count")
.field("analyzer", "keyword")
.endObject()
.endObject()
.endObject().endObject().string();
MapperService mapperService = createIndex("test").mapperService();
DocumentMapper stage1 = mapperService.merge("person",
new CompressedXContent(stage1Mapping), MapperService.MergeReason.MAPPING_UPDATE, false);
String stage2Mapping = XContentFactory.jsonBuilder().startObject()
.startObject("person")
.startObject("properties")
.startObject("tc")
.field("type", "token_count")
.field("analyzer", "standard")
.endObject()
.endObject()
.endObject().endObject().string();
DocumentMapper stage2 = mapperService.merge("person",
new CompressedXContent(stage2Mapping), MapperService.MergeReason.MAPPING_UPDATE, false);
// previous mapper has not been modified
assertThat(((TokenCountFieldMapper) stage1.mappers().smartNameFieldMapper("tc")).analyzer(), equalTo("keyword"));
// but the new one has the change
assertThat(((TokenCountFieldMapper) stage2.mappers().smartNameFieldMapper("tc")).analyzer(), equalTo("standard"));
}
/**
* When position increments are counted, we're looking to make sure that we:
- don't count tokens without an increment
- count normal tokens with one increment
- count funny tokens with more than one increment
- count the final token increments on the rare token streams that have them
*/
public void testCountPositionsWithIncrements() throws IOException {
Analyzer analyzer = createMockAnalyzer();
assertThat(TokenCountFieldMapper.countPositions(analyzer, "", "", true), equalTo(7));
}
/**
* When position increments are not counted (only positions are counted), we're looking to make sure that we:
- don't count tokens without an increment
- count normal tokens with one increment
- count funny tokens with more than one increment as only one
- don't count the final token increments on the rare token streams that have them
*/
public void testCountPositionsWithoutIncrements() throws IOException {
Analyzer analyzer = createMockAnalyzer();
assertThat(TokenCountFieldMapper.countPositions(analyzer, "", "", false), equalTo(2));
}
private Analyzer createMockAnalyzer() {
Token t1 = new Token(); // Token without an increment
t1.setPositionIncrement(0);
Token t2 = new Token();
t2.setPositionIncrement(1); // Normal token with one increment
Token t3 = new Token();
t2.setPositionIncrement(2); // Funny token with more than one increment
int finalTokenIncrement = 4; // Final token increment
Token[] tokens = new Token[] {t1, t2, t3};
Collections.shuffle(Arrays.asList(tokens), random());
final TokenStream tokenStream = new CannedTokenStream(finalTokenIncrement, 0, tokens);
// TODO: we have no CannedAnalyzer?
Analyzer analyzer = new Analyzer() {
@Override
public TokenStreamComponents createComponents(String fieldName) {
return new TokenStreamComponents(new MockTokenizer(), tokenStream);
}
};
return analyzer;
}
@Override
protected Collection<Class<? extends Plugin>> getPlugins() {
return pluginList(InternalSettingsPlugin.class);
}
public void testEmptyName() throws IOException {
IndexService indexService = createIndex("test");
DocumentMapperParser parser = indexService.mapperService().documentMapperParser();
String mapping = XContentFactory.jsonBuilder().startObject()
.startObject("type")
.startObject("properties")
.startObject("")
.field("type", "token_count")
.field("analyzer", "standard")
.endObject()
.endObject()
.endObject().endObject().string();
// Empty name not allowed in index created after 5.0
IllegalArgumentException e = expectThrows(IllegalArgumentException.class,
() -> parser.parse("type", new CompressedXContent(mapping))
);
assertThat(e.getMessage(), containsString("name cannot be empty string"));
}
}