// Copyright 2017 JanusGraph Authors
//
// 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 org.janusgraph.diskstorage.lucene;

import org.janusgraph.StorageSetup;
import org.janusgraph.diskstorage.configuration.ModifiableConfiguration;
import org.janusgraph.diskstorage.configuration.WriteConfiguration;
import org.janusgraph.graphdb.JanusGraphIndexTest;

import static org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.INDEX_BACKEND;
import static org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.INDEX_DIRECTORY;
import static org.janusgraph.BerkeleyStorageSetup.getBerkeleyJEConfiguration;

/**
 * @author Matthias Broecheler (me@matthiasb.com)
 */
public class BerkeleyLuceneTest extends JanusGraphIndexTest {

    public BerkeleyLuceneTest() {
        super(true, true, true);
    }

    @Override
    public WriteConfiguration getConfiguration() {
        ModifiableConfiguration config = getBerkeleyJEConfiguration();
        //Add index
        config.set(INDEX_BACKEND,"lucene",INDEX);
        config.set(INDEX_DIRECTORY, StorageSetup.getHomeDir("lucene"),INDEX);
        return config.getConfiguration();
    }

    @Override
    public boolean supportsLuceneStyleQueries() {
        return false;
        //TODO: The query [v.name:"Uncle Berry has a farm"] has an empty result set which indicates that exact string
        //matching inside this query is not supported for some reason. INVESTIGATE!
    }

    @Override
    public boolean supportsWildcardQuery() {
        return false;
    }

    @Override
    protected boolean supportsCollections() {
        return false;
    }
}