de.blizzy.documentr.search.AllDocIdsCollectorTest.java Source code

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Here is the source code for de.blizzy.documentr.search.AllDocIdsCollectorTest.java

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/*
documentr - Edit, maintain, and present software documentation on the web.
Copyright (C) 2012-2013 Maik Schreiber
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package de.blizzy.documentr.search;

import static org.junit.Assert.*;

import java.io.IOException;
import java.util.BitSet;

import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.IndexWriterConfig.OpenMode;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import com.google.common.io.Closeables;

public class AllDocIdsCollectorTest {
    private Directory directory;
    private IndexReader reader;

    @Before
    public void setUp() throws IOException {
        directory = new RAMDirectory();

        StandardAnalyzer analyzer = new StandardAnalyzer(Version.LUCENE_40);
        IndexWriterConfig writerConfig = new IndexWriterConfig(Version.LUCENE_40, analyzer);
        writerConfig.setOpenMode(OpenMode.CREATE_OR_APPEND);
        IndexWriter writer = new IndexWriter(directory, writerConfig);
        writer.addDocument(createDocument());
        writer.addDocument(createDocument());
        writer.addDocument(createDocument());
        writer.commit();
        writer.close(true);

        reader = DirectoryReader.open(directory);
    }

    @After
    public void tearDown() {
        Closeables.closeQuietly(reader);
        Closeables.closeQuietly(directory);
    }

    @Test
    public void collect() throws IOException {
        IndexSearcher searcher = new IndexSearcher(reader);
        Query query = new TermQuery(new Term("text", "text")); //$NON-NLS-1$ //$NON-NLS-2$
        AllDocIdsCollector collector = new AllDocIdsCollector();

        searcher.search(query, collector);
        BitSet docIds = collector.getDocIds();
        assertEquals(3, docIds.cardinality());
        for (int i = 0; i <= 2; i++) {
            assertTrue(docIds.get(i));
        }
    }

    private Document createDocument() {
        Document doc = new Document();
        doc.add(new StringField("text", "text", Store.NO)); //$NON-NLS-1$ //$NON-NLS-2$
        return doc;
    }
}