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* 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 org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.indices.analysis.PreBuiltAnalyzers;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.junit.Test;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import static org.elasticsearch.test.VersionUtils.randomVersion;
import static org.hamcrest.Matchers.*;
/**
*
*/
public class PreBuiltAnalyzerTests extends ESSingleNodeTestCase {
@Test
public void testThatDefaultAndStandardAnalyzerAreTheSameInstance() {
Analyzer currentStandardAnalyzer = PreBuiltAnalyzers.STANDARD.getAnalyzer(Version.CURRENT);
Analyzer currentDefaultAnalyzer = PreBuiltAnalyzers.DEFAULT.getAnalyzer(Version.CURRENT);
// special case, these two are the same instance
assertThat(currentDefaultAnalyzer, is(currentStandardAnalyzer));
}
@Test
public void testThatDefaultAndStandardAnalyzerChangedIn10Beta1() throws IOException {
Analyzer currentStandardAnalyzer = PreBuiltAnalyzers.STANDARD.getAnalyzer(Version.V_1_0_0_Beta1);
Analyzer currentDefaultAnalyzer = PreBuiltAnalyzers.DEFAULT.getAnalyzer(Version.V_1_0_0_Beta1);
// special case, these two are the same instance
assertThat(currentDefaultAnalyzer, is(currentStandardAnalyzer));
PreBuiltAnalyzers.DEFAULT.getAnalyzer(Version.V_1_0_0_Beta1);
final int n = scaledRandomIntBetween(10, 100);
Version version = Version.CURRENT;
for(int i = 0; i < n; i++) {
if (version.equals(Version.V_1_0_0_Beta1)) {
assertThat(currentDefaultAnalyzer, is(PreBuiltAnalyzers.DEFAULT.getAnalyzer(version)));
} else {
assertThat(currentDefaultAnalyzer, not(is(PreBuiltAnalyzers.DEFAULT.getAnalyzer(version))));
}
Analyzer analyzer = PreBuiltAnalyzers.DEFAULT.getAnalyzer(version);
TokenStream ts = analyzer.tokenStream("foo", "This is it Dude");
ts.reset();
CharTermAttribute charTermAttribute = ts.addAttribute(CharTermAttribute.class);
List<String> list = new ArrayList<>();
while(ts.incrementToken()) {
list.add(charTermAttribute.toString());
}
if (version.onOrAfter(Version.V_1_0_0_Beta1)) {
assertThat(list.size(), is(4));
assertThat(list, contains("this", "is", "it", "dude"));
} else {
assertThat(list.size(), is(1));
assertThat(list, contains("dude"));
}
ts.close();
version = randomVersion(random());
}
}
@Test
public void testAnalyzerChangedIn10RC1() throws IOException {
Analyzer pattern = PreBuiltAnalyzers.PATTERN.getAnalyzer(Version.V_1_0_0_RC1);
Analyzer standardHtml = PreBuiltAnalyzers.STANDARD_HTML_STRIP.getAnalyzer(Version.V_1_0_0_RC1);
final int n = scaledRandomIntBetween(10, 100);
Version version = Version.CURRENT;
for(int i = 0; i < n; i++) {
if (version.equals(Version.V_1_0_0_RC1)) {
assertThat(pattern, is(PreBuiltAnalyzers.PATTERN.getAnalyzer(version)));
assertThat(standardHtml, is(PreBuiltAnalyzers.STANDARD_HTML_STRIP.getAnalyzer(version)));
} else {
assertThat(pattern, not(is(PreBuiltAnalyzers.DEFAULT.getAnalyzer(version))));
assertThat(standardHtml, not(is(PreBuiltAnalyzers.DEFAULT.getAnalyzer(version))));
}
Analyzer analyzer = randomBoolean() ? PreBuiltAnalyzers.PATTERN.getAnalyzer(version) : PreBuiltAnalyzers.STANDARD_HTML_STRIP.getAnalyzer(version);
TokenStream ts = analyzer.tokenStream("foo", "This is it Dude");
ts.reset();
CharTermAttribute charTermAttribute = ts.addAttribute(CharTermAttribute.class);
List<String> list = new ArrayList<>();
while(ts.incrementToken()) {
list.add(charTermAttribute.toString());
}
if (version.onOrAfter(Version.V_1_0_0_RC1)) {
assertThat(list.toString(), list.size(), is(4));
assertThat(list, contains("this", "is", "it", "dude"));
} else {
assertThat(list.size(), is(1));
assertThat(list, contains("dude"));
}
ts.close();
version = randomVersion(random());
}
}
@Test
public void testThatInstancesAreTheSameAlwaysForKeywordAnalyzer() {
assertThat(PreBuiltAnalyzers.KEYWORD.getAnalyzer(Version.CURRENT),
is(PreBuiltAnalyzers.KEYWORD.getAnalyzer(Version.V_0_18_0)));
}
@Test
public void testThatInstancesAreCachedAndReused() {
assertThat(PreBuiltAnalyzers.ARABIC.getAnalyzer(Version.CURRENT),
is(PreBuiltAnalyzers.ARABIC.getAnalyzer(Version.CURRENT)));
assertThat(PreBuiltAnalyzers.ARABIC.getAnalyzer(Version.V_0_18_0),
is(PreBuiltAnalyzers.ARABIC.getAnalyzer(Version.V_0_18_0)));
}
@Test
public void testThatInstancesWithSameLuceneVersionAreReused() {
// both are lucene 4.4 and should return the same instance
assertThat(PreBuiltAnalyzers.CATALAN.getAnalyzer(Version.V_0_90_4),
is(PreBuiltAnalyzers.CATALAN.getAnalyzer(Version.V_0_90_5)));
}
@Test
public void testThatAnalyzersAreUsedInMapping() throws IOException {
int randomInt = randomInt(PreBuiltAnalyzers.values().length-1);
PreBuiltAnalyzers randomPreBuiltAnalyzer = PreBuiltAnalyzers.values()[randomInt];
String analyzerName = randomPreBuiltAnalyzer.name().toLowerCase(Locale.ROOT);
Version randomVersion = randomVersion(random());
Settings indexSettings = Settings.settingsBuilder().put(IndexMetaData.SETTING_VERSION_CREATED, randomVersion).build();
NamedAnalyzer namedAnalyzer = new PreBuiltAnalyzerProvider(analyzerName, AnalyzerScope.INDEX, randomPreBuiltAnalyzer.getAnalyzer(randomVersion)).get();
String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
.startObject("properties").startObject("field").field("type", "string").field("analyzer", analyzerName).endObject().endObject()
.endObject().endObject().string();
DocumentMapper docMapper = createIndex("test", indexSettings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));
FieldMapper fieldMapper = docMapper.mappers().getMapper("field");
assertThat(fieldMapper.fieldType().searchAnalyzer(), instanceOf(NamedAnalyzer.class));
NamedAnalyzer fieldMapperNamedAnalyzer = (NamedAnalyzer) fieldMapper.fieldType().searchAnalyzer();
assertThat(fieldMapperNamedAnalyzer.analyzer(), is(namedAnalyzer.analyzer()));
}
}