package org.apache.bookkeeper.client;
/*
*
* 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.
*
*/
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.bookkeeper.conf.ClientConfiguration;
import org.apache.bookkeeper.client.AsyncCallback.AddCallback;
import org.apache.bookkeeper.client.BookKeeper.DigestType;
import org.apache.bookkeeper.test.BaseTestCase;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.KeeperException;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tests of the main BookKeeper client
*/
public class BookKeeperTest extends BaseTestCase {
static Logger LOG = LoggerFactory.getLogger(BookKeeperTest.class);
DigestType digestType;
public BookKeeperTest(DigestType digestType) {
super(4);
this.digestType = digestType;
}
@Test(timeout=60000)
public void testConstructionZkDelay() throws Exception {
ClientConfiguration conf = new ClientConfiguration()
.setZkServers(zkUtil.getZooKeeperConnectString())
.setZkTimeout(20000);
CountDownLatch l = new CountDownLatch(1);
zkUtil.sleepServer(5, l);
l.await();
BookKeeper bkc = new BookKeeper(conf);
bkc.createLedger(digestType, "testPasswd".getBytes()).close();
bkc.close();
}
@Test(timeout=60000)
public void testConstructionNotConnectedExplicitZk() throws Exception {
ClientConfiguration conf = new ClientConfiguration()
.setZkServers(zkUtil.getZooKeeperConnectString())
.setZkTimeout(20000);
CountDownLatch l = new CountDownLatch(1);
zkUtil.sleepServer(5, l);
l.await();
ZooKeeper zk = new ZooKeeper(zkUtil.getZooKeeperConnectString(), 10000,
new Watcher() {
@Override
public void process(WatchedEvent event) {
}
});
assertFalse("ZK shouldn't have connected yet", zk.getState().isConnected());
try {
BookKeeper bkc = new BookKeeper(conf, zk);
fail("Shouldn't be able to construct with unconnected zk");
} catch (KeeperException.ConnectionLossException cle) {
// correct behaviour
}
}
/**
* Test that bookkeeper is not able to open ledgers if
* it provides the wrong password or wrong digest
*/
@Test(timeout=60000)
public void testBookkeeperPassword() throws Exception {
ClientConfiguration conf = new ClientConfiguration()
.setZkServers(zkUtil.getZooKeeperConnectString());
BookKeeper bkc = new BookKeeper(conf);
DigestType digestCorrect = digestType;
byte[] passwdCorrect = "AAAAAAA".getBytes();
DigestType digestBad = digestType == DigestType.MAC ? DigestType.CRC32 : DigestType.MAC;
byte[] passwdBad = "BBBBBBB".getBytes();
LedgerHandle lh = null;
try {
lh = bkc.createLedger(digestCorrect, passwdCorrect);
long id = lh.getId();
for (int i = 0; i < 100; i++) {
lh.addEntry("foobar".getBytes());
}
lh.close();
// try open with bad passwd
try {
bkc.openLedger(id, digestCorrect, passwdBad);
fail("Shouldn't be able to open with bad passwd");
} catch (BKException.BKUnauthorizedAccessException bke) {
// correct behaviour
}
// try open with bad digest
try {
bkc.openLedger(id, digestBad, passwdCorrect);
fail("Shouldn't be able to open with bad digest");
} catch (BKException.BKDigestMatchException bke) {
// correct behaviour
}
// try open with both bad
try {
bkc.openLedger(id, digestBad, passwdBad);
fail("Shouldn't be able to open with bad passwd and digest");
} catch (BKException.BKUnauthorizedAccessException bke) {
// correct behaviour
}
// try open with both correct
bkc.openLedger(id, digestCorrect, passwdCorrect).close();
} finally {
if (lh != null) {
lh.close();
}
bkc.close();
}
}
/**
* Tests that when trying to use a closed BK client object we get
* a callback error and not an InterruptedException.
* @throws Exception
*/
@Test(timeout=60000)
public void testAsyncReadWithError() throws Exception {
LedgerHandle lh = bkc.createLedger(3, 3, DigestType.CRC32, "testPasswd".getBytes());
bkc.close();
final AtomicInteger result = new AtomicInteger(0);
final CountDownLatch counter = new CountDownLatch(1);
// Try to write, we shoud get and error callback but not an exception
lh.asyncAddEntry("test".getBytes(), new AddCallback() {
public void addComplete(int rc, LedgerHandle lh, long entryId, Object ctx) {
result.set(rc);
counter.countDown();
}
}, null);
counter.await();
Assert.assertTrue(result.get() != 0);
}
/**
* Test that bookkeeper will close cleanly if close is issued
* while another operation is in progress.
*/
@Test(timeout=60000)
public void testCloseDuringOp() throws Exception {
ClientConfiguration conf = new ClientConfiguration()
.setZkServers(zkUtil.getZooKeeperConnectString());
for (int i = 0; i < 100; i++) {
final BookKeeper client = new BookKeeper(conf);
final CountDownLatch l = new CountDownLatch(1);
final AtomicBoolean success = new AtomicBoolean(false);
Thread t = new Thread() {
public void run() {
try {
LedgerHandle lh = client.createLedger(3, 3, digestType, "testPasswd".getBytes());
startNewBookie();
killBookie(0);
lh.asyncAddEntry("test".getBytes(), new AddCallback() {
@Override
public void addComplete(int rc, LedgerHandle lh, long entryId, Object ctx) {
// noop, we don't care if this completes
}
}, null);
client.close();
success.set(true);
l.countDown();
} catch (Exception e) {
LOG.error("Error running test", e);
success.set(false);
l.countDown();
}
}
};
t.start();
assertTrue("Close never completed", l.await(10, TimeUnit.SECONDS));
assertTrue("Close was not successful", success.get());
}
}
@Test(timeout=60000)
public void testIsClosed() throws Exception {
ClientConfiguration conf = new ClientConfiguration()
.setZkServers(zkUtil.getZooKeeperConnectString());
BookKeeper bkc = new BookKeeper(conf);
LedgerHandle lh = bkc.createLedger(digestType, "testPasswd".getBytes());
Long lId = lh.getId();
lh.addEntry("000".getBytes());
boolean result = bkc.isClosed(lId);
Assert.assertTrue("Ledger shouldn't be flagged as closed!",!result);
lh.close();
result = bkc.isClosed(lId);
Assert.assertTrue("Ledger should be flagged as closed!",result);
bkc.close();
}
}