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/*******************************************************************************
* Copyright (c) 2017 Politecnico di Torino and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License, Version 2.0
* which accompanies this distribution, and is available at
* http://www.apache.org/licenses/LICENSE-2.0
*******************************************************************************/
package it.polito.escape.verify.test;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import javax.ws.rs.core.Response;
import org.junit.Assert;
import org.junit.Test;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import it.polito.escape.verify.client.VerifyClient;
import it.polito.escape.verify.client.VerifyClientException;
import it.polito.escape.verify.model.Configuration;
import it.polito.escape.verify.model.Graph;
import it.polito.escape.verify.model.Node;
public class MultiThreadedTestCase {
private void testUpdateGraphStatus(final int threadCount) throws InterruptedException, ExecutionException, JsonParseException, JsonMappingException, IOException, VerifyClientException {
final VerifyClient verifyClient = new VerifyClient("http://localhost:8080/verify/api");
Response retrieveGraphResponse = verifyClient.retrieveGraph(1);
String responseString = retrieveGraphResponse.readEntity(String.class);
System.out.println(responseString);
Graph graph = new ObjectMapper().readValue(responseString, Graph.class);
UpdateGraph task = new UpdateGraph(verifyClient, 1, graph);
List<MultiThreadedTestCase.UpdateGraph> tasks = Collections.nCopies(threadCount, task);
ExecutorService executorService = Executors.newFixedThreadPool(threadCount);
List<Future<Response>> futures = executorService.invokeAll(tasks);
List<Integer> resultList = new ArrayList<Integer>(futures.size());
// Check for exceptions
for (Future<Response> future : futures) {
// Throws an exception if an exception was thrown by the task.
resultList.add(future.get().getStatus());
}
// Validate the dimensions
Assert.assertEquals(threadCount, futures.size());
List<Integer> expectedList = new ArrayList<Integer>(threadCount);
for (int i = 1; i <= threadCount; i++) {
expectedList.add(200);
}
// Validate expected results
Assert.assertEquals(expectedList, resultList);
}
private void testUpdateGraph(final int threadCount) throws InterruptedException, ExecutionException, JsonParseException, JsonMappingException, IOException, VerifyClientException {
final VerifyClient verifyClient = new VerifyClient("http://localhost:8080/verify/api");
Response retrieveGraphResponse = verifyClient.retrieveGraph(2L);
String responseString = retrieveGraphResponse.readEntity(String.class);
System.out.println(responseString);
Graph graph = new ObjectMapper().readValue(responseString, Graph.class);
Node nodeToEdit = graph.getNodes().get(1L);
nodeToEdit.setFunctional_type("endpoint");
nodeToEdit.setConfiguration(new Configuration(nodeToEdit.getName(), "", new ObjectMapper().createArrayNode()));
String graphAsString = new ObjectMapper().writeValueAsString(graph);
System.out.println(graphAsString);
UpdateGraph task = new UpdateGraph(verifyClient, 2, graph);
List<MultiThreadedTestCase.UpdateGraph> tasks = Collections.nCopies(threadCount, task);
ExecutorService executorService = Executors.newFixedThreadPool(threadCount);
List<Future<Response>> futures = executorService.invokeAll(tasks);
List<String> resultList = new ArrayList<String>(futures.size());
// Check for exceptions
for (Future<Response> future : futures) {
// Throws an exception if an exception was thrown by the task.
resultList.add(future.get().readEntity(String.class));
}
// Validate dimensions
Assert.assertEquals(threadCount, futures.size());
List<String> expectedList = new ArrayList<String>(threadCount);
for (int i = 1; i <= threadCount; i++) {
expectedList.add(graphAsString);
}
// Validate expected results
Assert.assertEquals(expectedList, resultList);
}
private void testCreateGraphStatus(final int threadCount, Graph graph) throws InterruptedException, ExecutionException, JsonParseException, JsonMappingException, IOException {
final VerifyClient verifyClient = new VerifyClient("http://localhost:8080/verify/api");
CreateGraph task = new CreateGraph(verifyClient, graph);
List<MultiThreadedTestCase.CreateGraph> tasks = Collections.nCopies(threadCount, task);
ExecutorService executorService = Executors.newFixedThreadPool(threadCount);
List<Future<Response>> futures = executorService.invokeAll(tasks);
List<Integer> resultList = new ArrayList<Integer>(futures.size());
// Check for exceptions
for (Future<Response> future : futures) {
// Throws an exception if an exception was thrown by the task.
resultList.add(future.get().getStatus());
}
// Validate the IDs
Assert.assertEquals(threadCount, futures.size());
List<Integer> expectedList = new ArrayList<Integer>(threadCount);
for (int i = 1; i <= threadCount; i++) {
expectedList.add(201);
}
// Validate expected results
Assert.assertEquals(expectedList, resultList);
}
private int randInt(int min, int max){
Random rand = new Random();
int randomNum = rand.nextInt((max - min) + 1) + min;
return randomNum;
}
@Test
public void updateGraphStatusCheck() throws InterruptedException, ExecutionException, JsonParseException, JsonMappingException, IOException, VerifyClientException {
testUpdateGraphStatus(64);
}
@Test
public void updateGraphResponseCheck() throws InterruptedException, ExecutionException, JsonParseException, JsonMappingException, IOException, VerifyClientException {
testUpdateGraph(16);
}
@Test
public void createGraphStatusCheck() throws JsonParseException, JsonMappingException, InterruptedException, ExecutionException, IOException {
Graph graph = new Graph();
testCreateGraphStatus(8, graph);
}
class UpdateGraph implements Callable<Response> {
private VerifyClient verifyClient;
private int graphId;
private Graph graph;
public UpdateGraph(VerifyClient verifyClient, int graphId, Graph graph) {
this.graphId = graphId;
this.graph = graph;
this.verifyClient = verifyClient;
}
@Override
public Response call() throws Exception {
Thread.sleep(randInt(0,2000));
Response updateGraphResponse = this.verifyClient.updateGraph(this.graphId, this.graph);
return updateGraphResponse;
}
}
class CreateGraph implements Callable<Response> {
private VerifyClient verifyClient;
private Graph graph;
public CreateGraph(VerifyClient verifyClient, Graph graph) {
this.graph = graph;
this.verifyClient = verifyClient;
}
@Override
public Response call() throws Exception {
Thread.sleep(randInt(0,2000));
return this.verifyClient.createGraph(this.graph);
}
}
}
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