de.ks.flatadocdb.index.GlobalIndexTest.java Source code

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Here is the source code for de.ks.flatadocdb.index.GlobalIndexTest.java

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/*
 * Copyright [2015] [Christian Loehnert]
 *
 * Licensed 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 de.ks.flatadocdb.index;

import de.ks.flatadocdb.Repository;
import de.ks.flatadocdb.TempRepository;
import de.ks.flatadocdb.metamodel.MetaModel;
import de.ks.flatadocdb.metamodel.TestEntity;
import de.ks.flatadocdb.session.Session;
import org.apache.lucene.index.IndexReader;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

import java.nio.file.Path;
import java.util.Collection;
import java.util.concurrent.Executors;

import static org.junit.Assert.assertEquals;

public class GlobalIndexTest {
    public static final int COUNT = 5;
    @Rule
    public TempRepository tempRepository = new TempRepository();
    private Repository repository;
    private MetaModel metaModel;
    private GlobalIndex index;
    private Path path;
    private LuceneIndex luceneIndex;

    @Before
    public void setUp() throws Exception {
        repository = tempRepository.getRepository();
        metaModel = tempRepository.getMetaModel();
        path = tempRepository.getPath();
        metaModel.addEntity(TestEntity.class);
        for (int i = 0; i < COUNT; i++) {
            TestEntity entity = new TestEntity("test" + (i + 1));
            Session session = new Session(metaModel, repository);
            session.persist(entity);
            session.prepare();
            session.commit();
        }
        index = repository.getIndex();
        luceneIndex = repository.getLuceneIndex();
        luceneIndex.clear();
    }

    @Test
    public void testRecreateIndex() throws Exception {
        index.recreate();

        Collection<IndexElement> elements = index.getAllOf(TestEntity.class);
        assertEquals(COUNT, elements.size());
        assertEquals(COUNT, index.getQueryElements(TestEntity.attributeQuery()).size());
    }

    @Test
    public void testRecreateLuceneIndex() throws Exception {
        IndexReader indexReader = luceneIndex.getIndexReader();
        assertEquals(0, indexReader.maxDoc());

        luceneIndex.recreate();

        indexReader = luceneIndex.getIndexReader();
        assertEquals(COUNT, indexReader.maxDoc());
    }

    @Test
    public void testPersistLoadIndex() throws Exception {
        index.recreate();
        index.flush();

        repository.close();
        repository = new Repository(path);
        try {
            repository.initialize(metaModel, Executors.newSingleThreadExecutor());
            index = repository.getIndex();
            index.load();

            Collection<IndexElement> elements = index.getAllOf(TestEntity.class);
            assertEquals(COUNT, elements.size());

            assertEquals(COUNT, index.getQueryElements(TestEntity.attributeQuery()).size());
        } finally {
            repository.close();
        }
    }
}