zookeeper-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From enixon <...@git.apache.org>
Subject [GitHub] zookeeper pull request #195: ZOOKEEPER-2725: Promote local session to global...
Date Tue, 21 Mar 2017 15:44:47 GMT
Github user enixon commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/195#discussion_r107191973
  
    --- Diff: src/java/test/org/apache/zookeeper/server/MultiOpSessionUpgradeTest.java ---
    @@ -0,0 +1,135 @@
    +/**
    + * 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.zookeeper.server;
    +
    +import org.apache.jute.BinaryOutputArchive;
    +import org.apache.zookeeper.CreateMode;
    +import org.apache.zookeeper.KeeperException;
    +import org.apache.zookeeper.Op;
    +import org.apache.zookeeper.OpResult;
    +import org.apache.zookeeper.ZooDefs;
    +import org.apache.zookeeper.ZooKeeper;
    +import org.apache.zookeeper.proto.CreateRequest;
    +import org.apache.zookeeper.proto.GetDataRequest;
    +import org.apache.zookeeper.server.quorum.QuorumPeer;
    +import org.apache.zookeeper.server.quorum.QuorumZooKeeperServer;
    +import org.apache.zookeeper.server.quorum.UpgradeableSessionTracker;
    +import org.apache.zookeeper.test.QuorumBase;
    +import org.junit.Assert;
    +import org.junit.Test;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import java.io.ByteArrayOutputStream;
    +import java.io.IOException;
    +import java.nio.ByteBuffer;
    +import java.util.ArrayList;
    +import java.util.Arrays;
    +import java.util.List;
    +
    +public class MultiOpSessionUpgradeTest extends QuorumBase {
    +    protected static final Logger LOG = LoggerFactory.getLogger(MultiOpSessionUpgradeTest.class);
    +
    +    @Override
    +    public void setUp() throws Exception {
    +        localSessionsEnabled = true;
    +        localSessionsUpgradingEnabled = true;
    +        super.setUp();
    +    }
    +
    +    @Test
    +    public void ephemeralCreateMultiOpTest() throws KeeperException, InterruptedException,
IOException {
    +        final ZooKeeper zk = createClient();
    +
    +        String data = "test";
    +        String path = "/ephemeralcreatemultiop";
    +        zk.create(path, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    +
    +        QuorumZooKeeperServer server = getConnectedServer(zk.getSessionId());
    +        Assert.assertNotNull("unable to find server interlocutor", server);
    +        UpgradeableSessionTracker sessionTracker = (UpgradeableSessionTracker)server.getSessionTracker();
    +        Assert.assertFalse("session already global", sessionTracker.isGlobalSession(zk.getSessionId()));
    +
    +        List<OpResult> multi = null;
    +        try {
    +            multi = zk.multi(Arrays.asList(
    +                    Op.setData(path, data.getBytes(), 0),
    +                    Op.create(path + "/e", data.getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.EPHEMERAL),
    +                    Op.create(path + "/p", data.getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT),
    +                    Op.create(path + "/q", data.getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.EPHEMERAL)
    +            ));
    +        } catch (KeeperException.SessionExpiredException e) {
    +            // the scenario that inspired this unit test
    +            Assert.fail("received session expired for a session promotion in a multi-op");
    +        }
    +
    +        Assert.assertNotNull(multi);
    +        Assert.assertEquals(4, multi.size());
    +        Assert.assertEquals(data, new String(zk.getData(path + "/e", false, null)));
    +        Assert.assertEquals(data, new String(zk.getData(path + "/p", false, null)));
    +        Assert.assertEquals(data, new String(zk.getData(path + "/q", false, null)));
    +        Assert.assertTrue("session not promoted", sessionTracker.isGlobalSession(zk.getSessionId()));
    +    }
    +
    +    @Test
    +    public void directCheckUpgradeSessionTest() throws IOException, InterruptedException,
KeeperException {
    +        final ZooKeeper zk = createClient();
    +
    +        String path = "/directcheckupgradesession";
    +        zk.create(path, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    +
    +        QuorumZooKeeperServer server = getConnectedServer(zk.getSessionId());
    +        Assert.assertNotNull("unable to find server interlocutor", server);
    +
    +        Request readRequest = makeGetDataRequest(path, zk.getSessionId());
    +        Request createRequest = makeCreateRequest(path + "/e", zk.getSessionId());
    +        Assert.assertNull("tried to upgrade on a read", server.checkUpgradeSession(readRequest));
    +        Assert.assertNotNull("failed to upgrade on a create", server.checkUpgradeSession(createRequest));
    +        Assert.assertNull("tried to upgrade after successful promotion",
    +                server.checkUpgradeSession(createRequest));
    +    }
    +
    +    private Request makeGetDataRequest(String path, long sessionId) throws IOException
{
    +        ByteArrayOutputStream boas = new ByteArrayOutputStream();
    +        BinaryOutputArchive boa = BinaryOutputArchive.getArchive(boas);
    +        GetDataRequest getDataRequest = new GetDataRequest(path, false);
    +        getDataRequest.serialize(boa, "request");
    +        ByteBuffer bb = ByteBuffer.wrap(boas.toByteArray());
    +        return new Request(null, sessionId, 1, ZooDefs.OpCode.getData, bb, new ArrayList<>());
    --- End diff --
    
    Can't believe I missed those - something about them was bothering me about those lines
when I was preparing the commit too.
    
    Will fix.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message