/*
* 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
* 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.
*/
package org.apache.flume.source;
import java.util.ArrayList;
import java.util.List;
import org.apache.flume.Channel;
import org.apache.flume.ChannelSelector;
import org.apache.flume.Context;
import org.apache.flume.Event;
import org.apache.flume.EventDeliveryException;
import org.apache.flume.PollableSource;
import org.apache.flume.channel.ChannelProcessor;
import org.apache.flume.channel.PseudoTxnMemoryChannel;
import org.apache.flume.channel.ReplicatingChannelSelector;
import org.apache.flume.conf.Configurables;
import org.apache.flume.lifecycle.LifecycleException;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class TestSequenceGeneratorSource {
private PollableSource source;
@Before
public void setUp() {
source = new SequenceGeneratorSource();
}
@Test
public void testProcess() throws InterruptedException, LifecycleException,
EventDeliveryException {
Channel channel = new PseudoTxnMemoryChannel();
Context context = new Context();
context.put("logicalNode.name", "test");
Configurables.configure(source, context);
Configurables.configure(channel, context);
List<Channel> channels = new ArrayList<Channel>();
channels.add(channel);
ChannelSelector rcs = new ReplicatingChannelSelector();
rcs.setChannels(channels);
source.setChannelProcessor(new ChannelProcessor(rcs));
for (long i = 0; i < 100; i++) {
source.process();
Event event = channel.take();
Assert.assertArrayEquals(String.valueOf(i).getBytes(),
new String(event.getBody()).getBytes());
}
}
@Test
public void testBatchProcessWithLifeCycle() throws InterruptedException, LifecycleException,
EventDeliveryException {
int batchSize = 10;
Channel channel = new PseudoTxnMemoryChannel();
Context context = new Context();
context.put("logicalNode.name", "test");
context.put("batchSize", Integer.toString(batchSize));
Configurables.configure(source, context);
Configurables.configure(channel, context);
List<Channel> channels = new ArrayList<Channel>();
channels.add(channel);
ChannelSelector rcs = new ReplicatingChannelSelector();
rcs.setChannels(channels);
source.setChannelProcessor(new ChannelProcessor(rcs));
source.start();
for (long i = 0; i < 100; i++) {
source.process();
for (long j = batchSize; j > 0; j--) {
Event event = channel.take();
String expectedVal = String.valueOf(((i+1)*batchSize)-j);
String resultedVal = new String(event.getBody());
Assert.assertTrue("Expected " + expectedVal + " is not equals to " +
resultedVal, expectedVal.equals(resultedVal));
}
}
source.stop();
}
@Test
public void testLifecycle() throws InterruptedException,
EventDeliveryException {
Channel channel = new PseudoTxnMemoryChannel();
Context context = new Context();
context.put("logicalNode.name", "test");
Configurables.configure(source, context);
Configurables.configure(channel, context);
List<Channel> channels = new ArrayList<Channel>();
channels.add(channel);
ChannelSelector rcs = new ReplicatingChannelSelector();
rcs.setChannels(channels);
source.setChannelProcessor(new ChannelProcessor(rcs));
source.start();
for (long i = 0; i < 100; i++) {
source.process();
Event event = channel.take();
Assert.assertArrayEquals(String.valueOf(i).getBytes(),
new String(event.getBody()).getBytes());
}
source.stop();
}
}