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/*
* Copyright (c) 2014, 2015 Hewlett-Packard Development Company, L.P. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.aaa;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
import org.opendaylight.aaa.SecureBlockingQueue.SecureData;
import org.opendaylight.aaa.api.Authentication;
public class SecureBlockingQueueTest {
private final int MAX_TASKS = 100;
@Before
public void setup() {
AuthenticationManager.instance().clear();
}
@Test
public void testSecureThreadPoolExecutor() throws InterruptedException, ExecutionException {
BlockingQueue<Runnable> queue = new SecureBlockingQueue<>(
new ArrayBlockingQueue<SecureData<Runnable>>(10));
ThreadPoolExecutor executor = new ThreadPoolExecutor(5, 10, 500, TimeUnit.MILLISECONDS,
queue);
executor.prestartAllCoreThreads();
for (int cnt = 1; cnt <= MAX_TASKS; cnt++) {
assertEquals(Integer.toString(cnt),
executor.submit(new Task(Integer.toString(cnt), "1111", "user")).get().user());
}
executor.shutdown();
}
@Test
public void testNormalThreadPoolExecutor() throws InterruptedException, ExecutionException {
BlockingQueue<Runnable> queue = new ArrayBlockingQueue<Runnable>(10);
ThreadPoolExecutor executor = new ThreadPoolExecutor(5, 10, 500, TimeUnit.MILLISECONDS,
queue);
executor.prestartAllCoreThreads();
for (int cnt = 1; cnt <= MAX_TASKS; cnt++) {
assertNull(executor.submit(new Task(Integer.toString(cnt), "1111", "user")).get());
}
executor.shutdown();
}
@Test
public void testQueueOps() throws InterruptedException, ExecutionException {
BlockingQueue<String> queue = new SecureBlockingQueue<>(
new ArrayBlockingQueue<SecureData<String>>(3));
ExecutorService es = Executors.newFixedThreadPool(3);
es.submit(new Producer("foo", "1111", "user", queue)).get();
assertEquals(1, queue.size());
assertEquals("foo", es.submit(new Consumer(queue)).get());
es.submit(new Producer("bar", "2222", "user", queue)).get();
assertEquals("bar", queue.peek());
assertEquals("bar", queue.element());
assertEquals(1, queue.size());
assertEquals("bar", queue.poll());
assertTrue(queue.isEmpty());
es.shutdown();
}
@Test
public void testCollectionOps() throws InterruptedException, ExecutionException {
BlockingQueue<String> queue = new SecureBlockingQueue<>(
new ArrayBlockingQueue<SecureData<String>>(6));
for (int i = 1; i <= 3; i++)
queue.add("User" + i);
Iterator<String> it = queue.iterator();
while (it.hasNext())
assertTrue(it.next().startsWith("User"));
assertEquals(3, queue.toArray().length);
List<String> actual = Arrays.asList(queue.toArray(new String[0]));
assertEquals("User1", actual.iterator().next());
assertTrue(queue.containsAll(actual));
queue.addAll(actual);
assertEquals(6, queue.size());
queue.retainAll(Arrays.asList(new String[] { "User2" }));
assertEquals(2, queue.size());
assertEquals("User2", queue.iterator().next());
queue.removeAll(actual);
assertTrue(queue.isEmpty());
queue.add("hello");
assertEquals(1, queue.size());
queue.clear();
assertTrue(queue.isEmpty());
}
@Test
public void testBlockingQueueOps() throws InterruptedException {
BlockingQueue<String> queue = new SecureBlockingQueue<>(
new ArrayBlockingQueue<SecureData<String>>(3));
queue.offer("foo");
assertEquals(1, queue.size());
queue.offer("bar", 500, TimeUnit.MILLISECONDS);
assertEquals(2, queue.size());
assertEquals("foo", queue.poll());
assertTrue(queue.contains("bar"));
queue.remove("bar");
assertEquals(3, queue.remainingCapacity());
queue.addAll(Arrays.asList(new String[] { "foo", "bar", "tom" }));
assertEquals(3, queue.size());
assertEquals("foo", queue.poll(500, TimeUnit.MILLISECONDS));
assertEquals(2, queue.size());
List<String> drain = new LinkedList<>();
queue.drainTo(drain);
assertTrue(queue.isEmpty());
assertEquals(2, drain.size());
queue.addAll(Arrays.asList(new String[] { "foo", "bar", "tom" }));
drain.clear();
queue.drainTo(drain, 1);
assertEquals(2, queue.size());
assertEquals(1, drain.size());
}
// Task to run in a ThreadPoolExecutor
private class Task implements Callable<Authentication> {
Task(String name, String userId, String role) {
// Mock that each task has its original authentication context
AuthenticationManager.instance().set(
new AuthenticationBuilder(new ClaimBuilder().setUser(name).setUserId(userId)
.addRole(role).build()).build());
}
@Override
public Authentication call() throws Exception {
return AuthenticationManager.instance().get();
}
}
// Producer sets auth context
private class Producer implements Callable<String> {
private final String name;
private final String userId;
private final String role;
private final BlockingQueue<String> queue;
Producer(String name, String userId, String role, BlockingQueue<String> queue) {
this.name = name;
this.userId = userId;
this.role = role;
this.queue = queue;
}
@Override
public String call() throws InterruptedException {
AuthenticationManager.instance().set(
new AuthenticationBuilder(new ClaimBuilder().setUser(name).setUserId(userId)
.addRole(role).build()).build());
queue.put(name);
return name;
}
}
// Consumer gets producer's auth context via data element in queue
private class Consumer implements Callable<String> {
private final BlockingQueue<String> queue;
Consumer(BlockingQueue<String> queue) {
this.queue = queue;
}
@Override
public String call() {
queue.remove();
Authentication auth = AuthenticationManager.instance().get();
return (auth == null) ? null : auth.user();
}
}
}
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