/**
 * ============LICENSE_START==========================================
 * org.onap.aai
 * ===================================================================
 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017 Amdocs
 * ===================================================================
 * 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.
 * ============LICENSE_END============================================
 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 */
package org.openecomp.aai.champ.concurrency;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

import org.junit.Test;
import org.openecomp.aai.champ.ChampAPI;
import org.openecomp.aai.champ.ChampGraph;
import org.openecomp.aai.champ.core.ChampObjectTest;
import org.openecomp.aai.champ.core.ChampRelationshipTest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ConcurrencyTest {

	private static final Logger LOGGER = LoggerFactory.getLogger(ConcurrencyTest.class);

	@Test
	public void runConcurrentTest() {
		for (ChampGraph.Type apiType : ChampGraph.Type.values()) {
			final ChampAPI api = ChampAPI.Factory.newInstance(apiType);
			runConcurrencyTest(api);
			api.shutdown();
		}
	}

	private void runConcurrencyTest(ChampAPI api) {
		final int numThreads = 10;
		final ExecutorService es = Executors.newFixedThreadPool(numThreads);

		for (int i = 0; i < numThreads * 2; i++) {
			es.submit(new Runnable() {
				@Override
				public void run() {
					final ChampGraph graph = api.getGraph(ConcurrencyTest.class.getSimpleName());
					ChampObjectTest.testChampObjectCrud(graph);
					ChampRelationshipTest.testChampRelationshipCrud(graph);
				}
			});
		}

		try {
			es.shutdown();
			es.awaitTermination(60, TimeUnit.SECONDS);
		} catch (InterruptedException e) {
			LOGGER.warn("Interrupted while waiting for concurrency test to finish", e);
			return;
		}
	}
}