public void SetUp()
{
if (!Ensemble.IsRunning)
{
Ensemble.Start();
}
ZooKeeperClient.Delete(new ServiceBeaconSettings().ZooKeeperNodesPrefix);
}
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)));
}
protected override void DoUnregister(ServiceMetadata metadata)
{
try
{
_zkClient.Delete(metadata.FullPath);
}
catch (Exception ex)
{
var message = string.Format("Fail to unregister metadata[{0}] to zookeeper, cause : {1}", metadata, ex.Message);
throw new Exception(message, ex);
}
}
public void ZooKeeperClientCreatesANewPathAndDeletesIt()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
using (IZooKeeperClient client = new ZooKeeperClient(
prodConfig.ZooKeeper.ZkConnect,
prodConfig.ZooKeeper.ZkSessionTimeoutMs,
ZooKeeperStringSerializer.Serializer))
{
client.Connect();
string myPath = "/" + Guid.NewGuid();
client.CreatePersistent(myPath, false);
Assert.IsTrue(client.Exists(myPath));
client.Delete(myPath);
Assert.IsFalse(client.Exists(myPath));
}
}
public void ZooKeeperClientCreatesAChildAndGetsChildren()
{
var prodConfig = this.ZooKeeperBasedSyncProdConfig;
using (IZooKeeperClient client = new ZooKeeperClient(
prodConfig.ZooKeeper.ZkConnect,
prodConfig.ZooKeeper.ZkSessionTimeoutMs,
ZooKeeperStringSerializer.Serializer))
{
client.Connect();
string child = Guid.NewGuid().ToString();
string myPath = "/" + child;
client.CreatePersistent(myPath, false);
IList <string> children = client.GetChildren("/", false);
int countChildren = client.CountChildren("/");
Assert.Greater(children.Count, 0);
Assert.AreEqual(children.Count, countChildren);
Assert.IsTrue(children.Contains(child));
client.Delete(myPath);
}
}
public new void SetUp()
{
client = GetClient();
for (var attempt = 0; attempt < 3; attempt++)
{
try
{
client.Delete(new DeleteRequest("/watch")
{
DeleteChildrenIfNeeded = true
}).EnsureSuccess();
client.Create(new CreateRequest("/watch/a/b/c", CreateMode.Persistent)).EnsureSuccess();
client.Create(new CreateRequest("/watch/a/b/d", CreateMode.Persistent)).EnsureSuccess();
client.Create(new CreateRequest("/watch/a/e", CreateMode.Persistent)).EnsureSuccess();
}
catch (Exception e)
{
Log.Error(e, "Failed to SetUp initial tree.");
}
}
}
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);
}
static void SubscribeChildrenListener(ZooKeeperClient client)
{
var rootPath = "/cluster/calc";
client.CreatePersistent(rootPath, new byte[0]);
var childrenListener = new DebugChildrenSubscriber(rootPath);
client.SubscribeChildListener(childrenListener);
// create child
for (int i = 11; i <= 15; i++)
{
client.CreatePersistent("/cluster/calc/" + i, new byte[0]);
Thread.Sleep(1000);
}
// delete child
for (int i = 11; i <= 15; i++)
{
client.Delete("/cluster/calc/" + i);
Thread.Sleep(1000);
}
}
public new void SetUp()
{
client.Delete(new DeleteRequest("/watch")
{
DeleteChildrenIfNeeded = true
});
client.Create(new CreateRequest("/watch/a/b/c", CreateMode.Persistent)).EnsureSuccess();
client.Create(new CreateRequest("/watch/a/b/d", CreateMode.Persistent)).EnsureSuccess();
client.Create(new CreateRequest("/watch/a/e", CreateMode.Persistent)).EnsureSuccess();
}
public void Exists_should_add_watch_triggered_by_Deleted()
{
var path = "/watch/a/e";
var watcher = new TestWatcher();
client.Exists(new ExistsRequest(path)
{
Watcher = watcher
}).EnsureSuccess();
client.Delete(new DeleteRequest(path)).EnsureSuccess();
watcher.ShouldBeTriggeredBy(NodeChangedEventType.Deleted, path);
}