/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
*
* 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.apache.streams.facebook.test.providers;
import org.apache.streams.core.StreamsDatum;
import org.apache.streams.facebook.FacebookConfiguration;
import org.apache.streams.facebook.IdConfig;
import org.apache.streams.facebook.provider.FacebookDataCollector;
import org.apache.streams.facebook.provider.FacebookProvider;
import org.junit.Test;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Unit Tests For {@link org.apache.streams.facebook.provider.FacebookProvider}
*/
public class TestFacebookProvider {
@Test
public void testFacebookProvider() throws Exception {
//Test that streams starts and shut downs.
final CyclicBarrier barrier = new CyclicBarrier(2);
FacebookProvider provider = new FacebookProvider(new FacebookConfiguration()) {
@Override
protected FacebookDataCollector getDataCollector() {
return new TestFacebookDataCollector(barrier, super.configuration, super.datums);
}
};
provider.prepare(null);
provider.startStream();
assertTrue(provider.isRunning());
barrier.await();
assertTrue(provider.isRunning());
assertEquals(5, provider.readCurrent().size());
barrier.await();
assertEquals(0, provider.readCurrent().size());
assertFalse(provider.isRunning());
provider.cleanUp();
}
private class TestFacebookDataCollector extends FacebookDataCollector {
private CyclicBarrier barrier;
private BlockingQueue<StreamsDatum> queue;
public TestFacebookDataCollector(CyclicBarrier barrier, FacebookConfiguration config, BlockingQueue<StreamsDatum> queue) {
super(config, queue);
this.barrier = barrier;
this.queue = queue;
}
@Override
protected void getData(IdConfig id) throws Exception {
}
@Override
public void run() {
try {
for(int i=0; i < 5; ++i) {
super.outputData(new Integer(i), ""+i);
}
this.barrier.await();
super.isComplete.set(true);
this.barrier.await();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} catch (BrokenBarrierException bbe) {
fail();
}
}
}
}