org.elasticsearch.util.lucene.all.SimpleAllTests.java Source code

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Here is the source code for org.elasticsearch.util.lucene.all.SimpleAllTests.java

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/*
 * Licensed to Elastic Search and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Elastic Search 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.util.lucene.all;

import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.elasticsearch.util.lucene.Lucene;
import org.testng.annotations.Test;

import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;

/**
 * @author kimchy (shay.banon)
 */
@Test
public class SimpleAllTests {

    @Test
    public void testSimpleAllNoBoost() throws Exception {
        Directory dir = new RAMDirectory();
        IndexWriter indexWriter = new IndexWriter(dir, Lucene.STANDARD_ANALYZER, true,
                IndexWriter.MaxFieldLength.UNLIMITED);

        Document doc = new Document();
        doc.add(new Field("_id", "1", Field.Store.YES, Field.Index.NO));
        AllEntries allEntries = new AllEntries();
        allEntries.addText("field1", "something", 1.0f);
        allEntries.addText("field2", "else", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        doc = new Document();
        doc.add(new Field("_id", "2", Field.Store.YES, Field.Index.NO));
        allEntries = new AllEntries();
        allEntries.addText("field1", "else", 1.0f);
        allEntries.addText("field2", "something", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        IndexReader reader = indexWriter.getReader();
        IndexSearcher searcher = new IndexSearcher(reader);

        TopDocs docs = searcher.search(new AllTermQuery(new Term("_all", "else")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        docs = searcher.search(new AllTermQuery(new Term("_all", "something")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        searcher.close();

        indexWriter.close();
    }

    @Test
    public void testSimpleAllWithBoost() throws Exception {
        Directory dir = new RAMDirectory();
        IndexWriter indexWriter = new IndexWriter(dir, Lucene.STANDARD_ANALYZER, true,
                IndexWriter.MaxFieldLength.UNLIMITED);

        Document doc = new Document();
        doc.add(new Field("_id", "1", Field.Store.YES, Field.Index.NO));
        AllEntries allEntries = new AllEntries();
        allEntries.addText("field1", "something", 1.0f);
        allEntries.addText("field2", "else", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        doc = new Document();
        doc.add(new Field("_id", "2", Field.Store.YES, Field.Index.NO));
        allEntries = new AllEntries();
        allEntries.addText("field1", "else", 2.0f);
        allEntries.addText("field2", "something", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        IndexReader reader = indexWriter.getReader();
        IndexSearcher searcher = new IndexSearcher(reader);

        // this one is boosted. so the second doc is more relevant
        TopDocs docs = searcher.search(new AllTermQuery(new Term("_all", "else")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(1));
        assertThat(docs.scoreDocs[1].doc, equalTo(0));

        docs = searcher.search(new AllTermQuery(new Term("_all", "something")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        searcher.close();

        indexWriter.close();
    }

    @Test
    public void testMultipleTokensAllNoBoost() throws Exception {
        Directory dir = new RAMDirectory();
        IndexWriter indexWriter = new IndexWriter(dir, Lucene.STANDARD_ANALYZER, true,
                IndexWriter.MaxFieldLength.UNLIMITED);

        Document doc = new Document();
        doc.add(new Field("_id", "1", Field.Store.YES, Field.Index.NO));
        AllEntries allEntries = new AllEntries();
        allEntries.addText("field1", "something moo", 1.0f);
        allEntries.addText("field2", "else koo", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        doc = new Document();
        doc.add(new Field("_id", "2", Field.Store.YES, Field.Index.NO));
        allEntries = new AllEntries();
        allEntries.addText("field1", "else koo", 1.0f);
        allEntries.addText("field2", "something moo", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        IndexReader reader = indexWriter.getReader();
        IndexSearcher searcher = new IndexSearcher(reader);

        TopDocs docs = searcher.search(new AllTermQuery(new Term("_all", "else")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        docs = searcher.search(new AllTermQuery(new Term("_all", "koo")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        docs = searcher.search(new AllTermQuery(new Term("_all", "something")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        docs = searcher.search(new AllTermQuery(new Term("_all", "moo")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        searcher.close();

        indexWriter.close();
    }

    @Test
    public void testMultipleTokensAllWithBoost() throws Exception {
        Directory dir = new RAMDirectory();
        IndexWriter indexWriter = new IndexWriter(dir, Lucene.STANDARD_ANALYZER, true,
                IndexWriter.MaxFieldLength.UNLIMITED);

        Document doc = new Document();
        doc.add(new Field("_id", "1", Field.Store.YES, Field.Index.NO));
        AllEntries allEntries = new AllEntries();
        allEntries.addText("field1", "something moo", 1.0f);
        allEntries.addText("field2", "else koo", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        doc = new Document();
        doc.add(new Field("_id", "2", Field.Store.YES, Field.Index.NO));
        allEntries = new AllEntries();
        allEntries.addText("field1", "else koo", 2.0f);
        allEntries.addText("field2", "something moo", 1.0f);
        allEntries.reset();
        doc.add(new Field("_all", AllTokenFilter.allTokenStream("_all", allEntries, Lucene.STANDARD_ANALYZER)));

        indexWriter.addDocument(doc);

        IndexReader reader = indexWriter.getReader();
        IndexSearcher searcher = new IndexSearcher(reader);

        TopDocs docs = searcher.search(new AllTermQuery(new Term("_all", "else")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(1));
        assertThat(docs.scoreDocs[1].doc, equalTo(0));

        docs = searcher.search(new AllTermQuery(new Term("_all", "koo")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(1));
        assertThat(docs.scoreDocs[1].doc, equalTo(0));

        docs = searcher.search(new AllTermQuery(new Term("_all", "something")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        docs = searcher.search(new AllTermQuery(new Term("_all", "moo")), 10);
        assertThat(docs.totalHits, equalTo(2));
        assertThat(docs.scoreDocs[0].doc, equalTo(0));
        assertThat(docs.scoreDocs[1].doc, equalTo(1));

        searcher.close();

        indexWriter.close();
    }
}