public void WhenZNodeIsDeletedChildAndDataDeletedListenersFire()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
string myPath = "/" + Guid.NewGuid();
using (IZooKeeperClient client = new ZooKeeperClient(
prodConfig.ZooKeeper.ZkConnect,
prodConfig.ZooKeeper.ZkSessionTimeoutMs,
ZooKeeperStringSerializer.Serializer))
{
client.Connect();
client.CreatePersistent(myPath, true);
WaitUntillIdle(client, 500);
client.Subscribe(myPath, this as IZooKeeperChildListener);
client.Subscribe(myPath, this as IZooKeeperDataListener);
client.Delete(myPath);
WaitUntillIdle(client, 500);
}
Assert.AreEqual(2, this.events.Count);
ZooKeeperEventArgs e = this.events[0];
Assert.AreEqual(ZooKeeperEventTypes.ChildChanged, e.Type);
Assert.IsInstanceOf <ZooKeeperChildChangedEventArgs>(e);
Assert.AreEqual(((ZooKeeperChildChangedEventArgs)e).Path, myPath);
Assert.IsNull(((ZooKeeperChildChangedEventArgs)e).Children);
e = this.events[1];
Assert.AreEqual(ZooKeeperEventTypes.DataChanged, e.Type);
Assert.IsInstanceOf <ZooKeeperDataChangedEventArgs>(e);
Assert.AreEqual(((ZooKeeperDataChangedEventArgs)e).Path, myPath);
Assert.IsNull(((ZooKeeperDataChangedEventArgs)e).Data);
}
public void WhenChildIsDeletedChildListenerOnParentFires()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
string myPath = "/" + Guid.NewGuid();
using (IZooKeeperClient client = new ZooKeeperClient(
prodConfig.ZooKeeper.ZkConnect,
prodConfig.ZooKeeper.ZkSessionTimeoutMs,
ZooKeeperStringSerializer.Serializer))
{
client.Connect();
client.CreatePersistent(myPath, true);
WaitUntillIdle(client, 500);
client.Subscribe("/", this as IZooKeeperChildListener);
client.Delete(myPath);
WaitUntillIdle(client, 500);
}
Assert.AreEqual(1, this.events.Count);
ZooKeeperEventArgs e = this.events[0];
Assert.AreEqual(ZooKeeperEventTypes.ChildChanged, e.Type);
Assert.IsInstanceOf <ZooKeeperChildChangedEventArgs>(e);
Assert.AreEqual(((ZooKeeperChildChangedEventArgs)e).Path, "/");
Assert.Greater(((ZooKeeperChildChangedEventArgs)e).Children.Count, 0);
Assert.IsFalse(((ZooKeeperChildChangedEventArgs)e).Children.Contains(myPath.Replace("/", string.Empty)));
}
public void WhenStateChangedToExpiredStateAndSessionListenersFire()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
using (IZooKeeperClient client = new ZooKeeperClient(
prodConfig.ZooKeeper.ZkConnect,
prodConfig.ZooKeeper.ZkSessionTimeoutMs,
ZooKeeperStringSerializer.Serializer))
{
client.Subscribe(this);
client.Connect();
WaitUntillIdle(client, 500);
client.Process(new WatchedEvent(KeeperState.Expired, EventType.None, null));
WaitUntillIdle(client, 3000);
}
Assert.AreEqual(4, this.events.Count);
ZooKeeperEventArgs e = this.events[1];
Assert.AreEqual(ZooKeeperEventTypes.StateChanged, e.Type);
Assert.IsInstanceOf <ZooKeeperStateChangedEventArgs>(e);
Assert.AreEqual(((ZooKeeperStateChangedEventArgs)e).State, KeeperState.Expired);
e = this.events[2];
Assert.AreEqual(ZooKeeperEventTypes.SessionCreated, e.Type);
Assert.IsInstanceOf <ZooKeeperSessionCreatedEventArgs>(e);
e = this.events[3];
Assert.AreEqual(ZooKeeperEventTypes.StateChanged, e.Type);
Assert.IsInstanceOf <ZooKeeperStateChangedEventArgs>(e);
Assert.AreEqual(((ZooKeeperStateChangedEventArgs)e).State, KeeperState.SyncConnected);
}
public void WhenStateChangedToConnectedStateListenerFires()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
using (IZooKeeperClient client = new ZooKeeperClient(
prodConfig.ZooKeeper.ZkConnect,
prodConfig.ZooKeeper.ZkSessionTimeoutMs,
ZooKeeperStringSerializer.Serializer))
{
client.Subscribe(this);
client.Connect();
WaitUntillIdle(client, 500);
}
Assert.AreEqual(1, this.events.Count);
ZooKeeperEventArgs e = this.events[0];
Assert.AreEqual(ZooKeeperEventTypes.StateChanged, e.Type);
Assert.IsInstanceOf <ZooKeeperStateChangedEventArgs>(e);
Assert.AreEqual(((ZooKeeperStateChangedEventArgs)e).State, KeeperState.SyncConnected);
}
public void WhenDataChangedDataListenerFires()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
string myPath = "/" + Guid.NewGuid();
string sourceData = "my test data";
string resultData;
using (IZooKeeperClient client = new ZooKeeperClient(
prodConfig.ZooKeeper.ZkConnect,
prodConfig.ZooKeeper.ZkSessionTimeoutMs,
ZooKeeperStringSerializer.Serializer))
{
client.Connect();
client.CreatePersistent(myPath, true);
WaitUntillIdle(client, 500);
client.Subscribe(myPath, this as IZooKeeperDataListener);
client.Subscribe(myPath, this as IZooKeeperChildListener);
client.WriteData(myPath, sourceData);
WaitUntillIdle(client, 500);
client.UnsubscribeAll();
resultData = client.ReadData <string>(myPath);
client.Delete(myPath);
}
Assert.IsTrue(!string.IsNullOrEmpty(resultData));
Assert.AreEqual(sourceData, resultData);
Assert.AreEqual(1, this.events.Count);
ZooKeeperEventArgs e = this.events[0];
Assert.AreEqual(ZooKeeperEventTypes.DataChanged, e.Type);
Assert.IsInstanceOf <ZooKeeperDataChangedEventArgs>(e);
Assert.AreEqual(((ZooKeeperDataChangedEventArgs)e).Path, myPath);
Assert.IsNotNull(((ZooKeeperDataChangedEventArgs)e).Data);
Assert.AreEqual(((ZooKeeperDataChangedEventArgs)e).Data, sourceData);
}
/// <summary>
/// Enqueues new event from ZooKeeper in events queue
/// </summary>
/// <param name="e">
/// The event from ZooKeeper.
/// </param>
private void Enqueue(ZooKeeperEventArgs e)
{
Logger.Debug("New event queued: " + e);
this.eventsQueue.Enqueue(e);
}
