Test that checks ElasticSearch JSON queries are valid

QueryParserTest.java

package org.elasticsearchtest;

import static org.elasticsearch.common.io.Streams.copyToStringFromClasspath;

import java.io.IOException;

import org.apache.lucene.search.Query;
import org.elasticsearch.common.inject.Injector;
import org.elasticsearch.common.inject.ModulesBuilder;
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.mapper.MapperServiceModule;
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.ThreadPoolModule;
import org.junit.Before;
import org.junit.Test;

public class QueryParserTest {
	
	// copied code from
	// org.elasticsearch.index.query.SimpleIndexQueryParserTests
	// because of visibility issues
	
	// some changes to run as JUnit
	
    private IndexQueryParserService queryParser;

    @Before public void setupQueryParser() throws IOException {
        Settings settings = ImmutableSettings.settingsBuilder()
                .put("index.cache.filter.type", "none")
                .build();
        Index index = new Index("test");
        Injector injector = new ModulesBuilder().add(
                new SettingsModule(settings),
                new ThreadPoolModule(settings),
                new IndicesQueriesModule(),
                new ScriptModule(settings),
                new MapperServiceModule(),
                new IndexSettingsModule(index, settings),
                new IndexCacheModule(settings),
                new AnalysisModule(settings),
                new IndexEngineModule(settings),
                new SimilarityModule(settings),
                new IndexQueryParserModule(settings),
                new IndexNameModule(index)
        ).createInjector();

        this.queryParser = injector.getInstance(IndexQueryParserService.class);
    }

    private IndexQueryParserService queryParser() throws IOException {
        return this.queryParser;
    }

    @Test public void testNestedBoolean() throws Exception {
        IndexQueryParserService queryParser = queryParser();
        String query = copyToStringFromClasspath("/org/elasticsearchtest/boolquery.json");
        Query parsedQuery = queryParser.parse(query).query();
        System.out.println(parsedQuery.toString());
    }
}