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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.
*/
package org.elasticsearch.index.analysis;
import com.carrotsearch.randomizedtesting.generators.RandomPicks;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.en.EnglishAnalyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.indices.analysis.PreBuiltAnalyzers;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.IndexSettingsModule;
import org.elasticsearch.test.VersionUtils;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.elasticsearch.common.settings.Settings.settingsBuilder;
import static org.hamcrest.Matchers.instanceOf;
public class AnalysisServiceTests extends ESTestCase {
private static AnalyzerProvider analyzerProvider(final String name) {
return new PreBuiltAnalyzerProvider(name, AnalyzerScope.INDEX, new EnglishAnalyzer());
}
public void testDefaultAnalyzers() throws IOException {
Version version = VersionUtils.randomVersion(getRandom());
Settings settings = Settings
.builder()
.put(IndexMetaData.SETTING_VERSION_CREATED, version)
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString())
.build();
IndexSettings idxSettings = IndexSettingsModule.newIndexSettings(new Index("index"), settings);
AnalysisService analysisService = new AnalysisRegistry(null, new Environment(settings)).build(idxSettings);
assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
}
public void testOverrideDefaultAnalyzer() throws IOException {
Version version = VersionUtils.randomVersion(getRandom());
Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
AnalysisService analysisService = new AnalysisService(IndexSettingsModule.newIndexSettings(new Index("index"), settings),
Collections.singletonMap("default", analyzerProvider("default")),
Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap());
assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
}
public void testOverrideDefaultIndexAnalyzer() {
Version version = VersionUtils.randomVersionBetween(getRandom(), Version.V_3_0_0, Version.CURRENT);
Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
try {
AnalysisService analysisService = new AnalysisService(IndexSettingsModule.newIndexSettings(new Index("index"), settings),
Collections.singletonMap("default_index", new PreBuiltAnalyzerProvider("default_index", AnalyzerScope.INDEX, new EnglishAnalyzer())),
Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap());
fail("Expected ISE");
} catch (IllegalArgumentException e) {
// expected
assertTrue(e.getMessage().contains("[index.analysis.analyzer.default_index] is not supported"));
}
}
public void testBackCompatOverrideDefaultIndexAnalyzer() {
Version version = VersionUtils.randomVersionBetween(getRandom(), VersionUtils.getFirstVersion(), VersionUtils.getPreviousVersion(Version.V_3_0_0));
Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
AnalysisService analysisService = new AnalysisService(IndexSettingsModule.newIndexSettings(new Index("index"), settings),
Collections.singletonMap("default_index", analyzerProvider("default_index")),
Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap());
assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
}
public void testOverrideDefaultSearchAnalyzer() {
Version version = VersionUtils.randomVersion(getRandom());
Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
AnalysisService analysisService = new AnalysisService(IndexSettingsModule.newIndexSettings(new Index("index"), settings),
Collections.singletonMap("default_search", analyzerProvider("default_search")),
Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap());
assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
}
public void testBackCompatOverrideDefaultIndexAndSearchAnalyzer() {
Version version = VersionUtils.randomVersionBetween(getRandom(), VersionUtils.getFirstVersion(), VersionUtils.getPreviousVersion(Version.V_3_0_0));
Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
Map<String, AnalyzerProvider> analyzers = new HashMap<>();
analyzers.put("default_index", analyzerProvider("default_index"));
analyzers.put("default_search", analyzerProvider("default_search"));
AnalysisService analysisService = new AnalysisService(IndexSettingsModule.newIndexSettings(new Index("index"), settings),
analyzers, Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap());
assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
}
public void testConfigureCamelCaseTokenFilter() throws IOException {
// tests a filter that
Settings settings = Settings.builder().put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString()).build();
Settings indexSettings = settingsBuilder()
.put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT)
.put("index.analysis.filter.wordDelimiter.type", "word_delimiter")
.put("index.analysis.filter.wordDelimiter.split_on_numerics", false)
.put("index.analysis.analyzer.custom_analyzer.tokenizer", "whitespace")
.putArray("index.analysis.analyzer.custom_analyzer.filter", "lowercase", "wordDelimiter")
.put("index.analysis.analyzer.custom_analyzer_1.tokenizer", "whitespace")
.putArray("index.analysis.analyzer.custom_analyzer_1.filter", "lowercase", "word_delimiter").build();
IndexSettings idxSettings = IndexSettingsModule.newIndexSettings(new Index("index"), indexSettings);
AnalysisService analysisService = new AnalysisRegistry(null, new Environment(settings)).build(idxSettings);
try (NamedAnalyzer custom_analyser = analysisService.analyzer("custom_analyzer")) {
assertNotNull(custom_analyser);
TokenStream tokenStream = custom_analyser.tokenStream("foo", "J2SE j2ee");
tokenStream.reset();
CharTermAttribute charTermAttribute = tokenStream.addAttribute(CharTermAttribute.class);
List<String> token = new ArrayList<>();
while(tokenStream.incrementToken()) {
token.add(charTermAttribute.toString());
}
assertEquals(token.toString(), 2, token.size());
assertEquals("j2se", token.get(0));
assertEquals("j2ee", token.get(1));
}
try (NamedAnalyzer custom_analyser = analysisService.analyzer("custom_analyzer_1")) {
assertNotNull(custom_analyser);
TokenStream tokenStream = custom_analyser.tokenStream("foo", "J2SE j2ee");
tokenStream.reset();
CharTermAttribute charTermAttribute = tokenStream.addAttribute(CharTermAttribute.class);
List<String> token = new ArrayList<>();
while(tokenStream.incrementToken()) {
token.add(charTermAttribute.toString());
}
assertEquals(token.toString(), 6, token.size());
assertEquals("j", token.get(0));
assertEquals("2", token.get(1));
assertEquals("se", token.get(2));
assertEquals("j", token.get(3));
assertEquals("2", token.get(4));
assertEquals("ee", token.get(5));
}
}
public void testCameCaseOverride() throws IOException {
Settings settings = Settings.builder().put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString()).build();
Settings indexSettings = settingsBuilder()
.put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT)
.put("index.analysis.filter.wordDelimiter.type", "word_delimiter")
.put("index.analysis.filter.wordDelimiter.split_on_numerics", false)
.put("index.analysis.analyzer.custom_analyzer.tokenizer", "whitespace")
.putArray("index.analysis.analyzer.custom_analyzer.filter", "lowercase", "wordDelimiter")
.put("index.analysis.analyzer.custom_analyzer_1.tokenizer", "whitespace")
.putArray("index.analysis.analyzer.custom_analyzer_1.filter", "lowercase", "word_delimiter").build();
IndexSettings idxSettings = IndexSettingsModule.newIndexSettings(new Index("index"), indexSettings);
AnalysisService analysisService = new AnalysisRegistry(null, new Environment(settings)).build(idxSettings);
TokenFilterFactory word_delimiter = analysisService.tokenFilter("word_delimiter");
TokenFilterFactory override = analysisService.tokenFilter("wordDelimiter");
assertNotEquals(word_delimiter.name(), override.name());
assertNotSame(analysisService.tokenFilter("wordDelimiter"), analysisService.tokenFilter("word_delimiter"));
assertSame(analysisService.tokenFilter("porterStem"), analysisService.tokenFilter("porter_stem"));
//unconfigured
IndexSettings idxSettings1 = IndexSettingsModule.newIndexSettings(new Index("index"), settingsBuilder()
.put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT).build());
AnalysisService analysisService1 = new AnalysisRegistry(null, new Environment(settings)).build(idxSettings1);
assertSame(analysisService1.tokenFilter("wordDelimiter"), analysisService1.tokenFilter("word_delimiter"));
assertSame(analysisService1.tokenFilter("porterStem"), analysisService1.tokenFilter("porter_stem"));
}
public void testBuiltInAnalyzersAreCached() throws IOException {
Settings settings = Settings.builder().put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString()).build();
Settings indexSettings = settingsBuilder()
.put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT).build();
IndexSettings idxSettings = IndexSettingsModule.newIndexSettings(new Index("index"), indexSettings);
AnalysisService analysisService = new AnalysisRegistry(null, new Environment(settings)).build(idxSettings);
AnalysisService otherAnalysisSergice = new AnalysisRegistry(null, new Environment(settings)).build(idxSettings);
final int numIters = randomIntBetween(5, 20);
for (int i = 0; i < numIters; i++) {
PreBuiltAnalyzers preBuiltAnalyzers = RandomPicks.randomFrom(random(), PreBuiltAnalyzers.values());
assertSame(analysisService.analyzer(preBuiltAnalyzers.name()), otherAnalysisSergice.analyzer(preBuiltAnalyzers.name()));
}
}
}
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