AnalysisServiceTests.java example

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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.index.analysis;

import org.apache.lucene.analysis.en.EnglishAnalyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.indices.analysis.IndicesAnalysisService;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.VersionUtils;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import static org.hamcrest.Matchers.instanceOf;

public class AnalysisServiceTests extends ESTestCase {

    private static AnalyzerProviderFactory analyzerProvider(final String name) {
        return new AnalyzerProviderFactory() {
            @Override
            public AnalyzerProvider create(String name, Settings settings) {
                return new PreBuiltAnalyzerProvider(name, AnalyzerScope.INDEX, new EnglishAnalyzer());
            }
        };
    }

    public void testDefaultAnalyzers() {
        Version version = VersionUtils.randomVersion(getRandom());
        Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        IndicesAnalysisService indicesAnalysisService = new IndicesAnalysisService(settings);
        AnalysisService analysisService = new AnalysisService(new Index("index"), settings, indicesAnalysisService,
                Collections.<String, AnalyzerProviderFactory>emptyMap(),
                Collections.<String, TokenizerFactoryFactory>emptyMap(),
                Collections.<String, CharFilterFactoryFactory>emptyMap(),
                Collections.<String, TokenFilterFactoryFactory>emptyMap());
        assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
        assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
        assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
    }

    public void testOverrideDefaultAnalyzer() {
        Version version = VersionUtils.randomVersion(getRandom());
        Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        IndicesAnalysisService indicesAnalysisService = new IndicesAnalysisService(settings);
        AnalysisService analysisService = new AnalysisService(new Index("index"), settings, indicesAnalysisService,
                Collections.singletonMap("default", analyzerProvider("default")),
                Collections.<String, TokenizerFactoryFactory>emptyMap(),
                Collections.<String, CharFilterFactoryFactory>emptyMap(),
                Collections.<String, TokenFilterFactoryFactory>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.randomVersion(getRandom());
        Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        IndicesAnalysisService indicesAnalysisService = new IndicesAnalysisService(settings);
        AnalysisService analysisService = new AnalysisService(new Index("index"), settings, indicesAnalysisService,
                Collections.singletonMap("default_index", analyzerProvider("default_index")),
                Collections.<String, TokenizerFactoryFactory>emptyMap(),
                Collections.<String, CharFilterFactoryFactory>emptyMap(),
                Collections.<String, TokenFilterFactoryFactory>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();
        IndicesAnalysisService indicesAnalysisService = new IndicesAnalysisService(settings);
        AnalysisService analysisService = new AnalysisService(new Index("index"), settings, indicesAnalysisService,
                Collections.singletonMap("default_search", analyzerProvider("default_search")),
                Collections.<String, TokenizerFactoryFactory>emptyMap(),
                Collections.<String, CharFilterFactoryFactory>emptyMap(),
                Collections.<String, TokenFilterFactoryFactory>emptyMap());
        assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(StandardAnalyzer.class));
        assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
        assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
    }

    public void testOverrideDefaultIndexAndSearchAnalyzer() {
        Version version = VersionUtils.randomVersion(getRandom());
        Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        IndicesAnalysisService indicesAnalysisService = new IndicesAnalysisService(settings);
        Map<String, AnalyzerProviderFactory> analyzers = new HashMap<>();
        analyzers.put("default_index", analyzerProvider("default_index"));
        analyzers.put("default_search", analyzerProvider("default_search"));
        AnalysisService analysisService = new AnalysisService(new Index("index"), settings, indicesAnalysisService,
                analyzers,
                Collections.<String, TokenizerFactoryFactory>emptyMap(),
                Collections.<String, CharFilterFactoryFactory>emptyMap(),
                Collections.<String, TokenFilterFactoryFactory>emptyMap());
        assertThat(analysisService.defaultIndexAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
        assertThat(analysisService.defaultSearchAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
        assertThat(analysisService.defaultSearchQuoteAnalyzer().analyzer(), instanceOf(EnglishAnalyzer.class));
    }
}