IndexQueryParserPlugin2Tests.java

/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. ElasticSearch 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.test.unit.index.query.plugin;

import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.inject.Injector;
import org.elasticsearch.common.inject.ModulesBuilder;
import org.elasticsearch.common.inject.util.Providers;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsModule;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexNameModule;
import org.elasticsearch.index.analysis.AnalysisModule;
import org.elasticsearch.index.cache.IndexCacheModule;
import org.elasticsearch.index.engine.IndexEngineModule;
import org.elasticsearch.index.query.IndexQueryParserModule;
import org.elasticsearch.index.query.IndexQueryParserService;
import org.elasticsearch.index.settings.IndexSettingsModule;
import org.elasticsearch.index.similarity.SimilarityModule;
import org.elasticsearch.indices.query.IndicesQueriesModule;
import org.elasticsearch.script.ScriptModule;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.threadpool.ThreadPoolModule;
import org.testng.annotations.Test;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;

/**
 *
 */
public class IndexQueryParserPlugin2Tests {

    @Test
    public void testCustomInjection() {
        Settings settings = ImmutableSettings.Builder.EMPTY_SETTINGS;

        IndexQueryParserModule queryParserModule = new IndexQueryParserModule(settings);
        queryParserModule.addQueryParser("my", PluginJsonQueryParser.class);
        queryParserModule.addFilterParser("my", PluginJsonFilterParser.class);

        Index index = new Index("test");
        Injector injector = new ModulesBuilder().add(
                new SettingsModule(settings),
                new ThreadPoolModule(settings),
                new IndicesQueriesModule(),
                new ScriptModule(settings),
                new IndexSettingsModule(index, settings),
                new IndexCacheModule(settings),
                new AnalysisModule(settings),
                new IndexEngineModule(settings),
                new SimilarityModule(settings),
                queryParserModule,
                new IndexNameModule(index),
                new AbstractModule() {
                    @Override
                    protected void configure() {
                        bind(ClusterService.class).toProvider(Providers.of((ClusterService) null));
                    }
                }
        ).createInjector();

        IndexQueryParserService indexQueryParserService = injector.getInstance(IndexQueryParserService.class);

        PluginJsonQueryParser myJsonQueryParser = (PluginJsonQueryParser) indexQueryParserService.queryParser("my");

        assertThat(myJsonQueryParser.names()[0], equalTo("my"));

        PluginJsonFilterParser myJsonFilterParser = (PluginJsonFilterParser) indexQueryParserService.filterParser("my");
        assertThat(myJsonFilterParser.names()[0], equalTo("my"));

        injector.getInstance(ThreadPool.class).shutdownNow();
    }
}