/*
* 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.channel;
import java.util.List;
import org.apache.flume.ChannelException;
import org.apache.flume.Event;
import org.junit.Assert;
import org.junit.Test;
public class TestChannelUtils
extends AbstractBasicChannelSemanticsTest {
@Test
public void testHappyPath1() {
ChannelUtils.put(channel, events.get(0));
Assert.assertTrue(channel.wasLastTransactionCommitted());
Assert.assertFalse(channel.wasLastTransactionRolledBack());
Assert.assertTrue(channel.wasLastTransactionClosed());
}
@Test
public void testHappyPath2() {
ChannelUtils.take(channel);
Assert.assertTrue(channel.wasLastTransactionCommitted());
Assert.assertFalse(channel.wasLastTransactionRolledBack());
Assert.assertTrue(channel.wasLastTransactionClosed());
}
@Test
public void testHappyPath3() {
ChannelUtils.put(channel, events.get(0));
Assert.assertSame(events.get(0), ChannelUtils.take(channel));
}
@Test
public void testHappyPath4() {
for (int i = 0; i < events.size(); ++i) {
ChannelUtils.put(channel, events.get(i));
}
for (int i = 0; i < events.size(); ++i) {
Assert.assertSame(events.get(i), ChannelUtils.take(channel));
}
}
@Test
public void testHappyPath5() {
int rounds = 10;
for (int i = 0; i < rounds; ++i) {
ChannelUtils.put(channel, events);
}
for (int i = 0; i < rounds; ++i) {
List<Event> takenEvents = ChannelUtils.take(channel, events.size());
Assert.assertTrue(takenEvents.size() == events.size());
for (int j = 0; j < events.size(); ++j) {
Assert.assertSame(events.get(j), takenEvents.get(j));
}
}
}
private void testTransact(final TestChannel.Mode mode,
Class<? extends Throwable> exceptionClass, final Runnable test) {
testException(exceptionClass, new Runnable() {
@Override
public void run() {
ChannelUtils.transact(channel, new Runnable() {
@Override
public void run() {
testMode(mode, test);
}
});
}
});
Assert.assertFalse(channel.wasLastTransactionCommitted());
Assert.assertTrue(channel.wasLastTransactionRolledBack());
Assert.assertTrue(channel.wasLastTransactionClosed());
}
private void testTransact(TestChannel.Mode mode,
Class<? extends Throwable> exceptionClass) {
testTransact(mode, exceptionClass, new Runnable() {
@Override
public void run() {
channel.put(events.get(0));
}
});
}
@Test
public void testError() {
testTransact(TestChannel.Mode.THROW_ERROR, TestError.class);
}
@Test
public void testRuntimeException() {
testTransact(TestChannel.Mode.THROW_RUNTIME, TestRuntimeException.class);
}
@Test
public void testChannelException() {
testTransact(TestChannel.Mode.THROW_CHANNEL, ChannelException.class);
}
@Test
public void testInterrupt() throws Exception {
testTransact(TestChannel.Mode.SLEEP, InterruptedException.class,
new Runnable() {
@Override
public void run() {
interruptTest(new Runnable() {
@Override
public void run() {
channel.put(events.get(0));
}
});
}
});
}
}