public async Task Subscribe_twice()
{
// arrange
_fayeServerProcess.StartThinServer();
var socket = new WebSocketClient(uri: TEST_SERVER_URL);
SetupWebSocket(socket);
InstantiateFayeClient();
_connection = await _fayeClient.Connect();
var secondClient = GetFayeClient(new WebSocketClient(uri: TEST_SERVER_URL));
_connection2 = await secondClient.Connect();
var tcs = new TaskCompletionSource <string>();
var tcs2 = new TaskCompletionSource <string>();
const string channelName = "/somechannel";
var messageToSend = new TestMsg {
Stuff = "the message"
};
var json = JsonConvert.SerializeObject(messageToSend);
var task = tcs.Task;
// act
await _connection.Subscribe(channelName,
tcs.SetResult);
await _connection.Subscribe(channelName,
tcs2.SetResult);
await _connection2.Publish(channel : channelName,
message : json);
// assert
var result = await task.Timeout(5.Seconds());
if (result == Result.Timeout)
{
Assert.Fail("Timed out waiting for pub/sub to work");
}
var jsonReceived = task.Result;
var objectReceived = JsonConvert.DeserializeObject <TestMsg>(jsonReceived);
objectReceived
.ShouldBeEquivalentTo(messageToSend);
task = tcs2.Task;
result = await task.Timeout(5.Seconds());
if (result == Result.Timeout)
{
Assert.Fail("Timed out waiting for pub/sub to work");
}
jsonReceived = task.Result;
objectReceived = JsonConvert.DeserializeObject <TestMsg>(jsonReceived);
objectReceived
.ShouldBeEquivalentTo(messageToSend);
}
public async Task Connect_lost_connection_retry_not_allowed()
{
// arrange
TriggerNoRetriesAllowed();
// port 8133
const int inputPort = THIN_SERVER_PORT + 1;
_fayeServerProcess.StartThinServer();
_socatInterceptor = StartWritableSocket(hostname: "localhost",
inputPort: inputPort);
const string urlThroughSocat = "ws://localhost:8133/bayeux";
var socket = new WebSocketClient(uri: urlThroughSocat);
SetupWebSocket(socket);
InstantiateFayeClient();
_connection = await _fayeClient.Connect();
var tcs = new TaskCompletionSource <string>();
const string channelName = "/somechannel";
var lostTcs = new TaskCompletionSource <bool>();
_connection.ConnectionLost += (sender,
args) => lostTcs.SetResult(true);
var backTcs = new TaskCompletionSource <bool>();
_connection.ConnectionReestablished += (sender,
args) => backTcs.SetResult(true);
var tryToRestablishTask = backTcs.Task;
// act
await _connection.Subscribe(channelName,
tcs.SetResult);
// ReSharper disable once CSharpWarnings::CS4014
Task.Factory.StartNew(() =>
{
_socatInterceptor.Kill();
_socatInterceptor = StartWritableSocket(hostname: "localhost",
inputPort: inputPort);
});
await lostTcs.Task.WithTimeout(t => t,
20.Seconds());
// assert
tryToRestablishTask
.Status
.Should()
.Be(TaskStatus.WaitingForActivation,
"should not try and re-establish since we disabled retries");
await Task.Delay(10.Seconds());
tryToRestablishTask
.Status
.Should()
.Be(TaskStatus.WaitingForActivation,
"Still should not try and re-establish since we disabled retries");
}
public async Task Unsubscribe()
{
// arrange
_fayeServerProcess.StartThinServer();
var socket = new WebSocketClient(uri: TEST_SERVER_URL);
SetupWebSocket(socket);
InstantiateFayeClient();
_connection = await _fayeClient.Connect();
var secondClient = GetFayeClient(new WebSocketClient(uri: TEST_SERVER_URL));
_connection2 = await secondClient.Connect();
const string channelName = "/somechannel";
var tcs = new TaskCompletionSource <object>();
var messageToSendObj = new TestMsg {
Stuff = "the message"
};
var messageToSend = JsonConvert.SerializeObject(messageToSendObj);
await _connection.Subscribe(channelName,
tcs.SetResult); // should never hit this
// act
await _connection.Unsubscribe(channelName);
// assert
await _connection2.Publish(channelName,
messageToSend);
await Task.Delay(100.Milliseconds());
tcs.Task
.Status
.Should()
.Be(TaskStatus.WaitingForActivation,
"We should never fire our event since we unsubscribe before the 1st message");
}
public async Task Connect_lost_connection_comes_back_after_attempt_to_publish()
{
// arrange// port 8133
const int inputPort = THIN_SERVER_PORT + 1;
_fayeServerProcess.StartThinServer();
_socatInterceptor = StartWritableSocket(hostname: "localhost",
inputPort: inputPort);
const string urlThroughSocat = "ws://localhost:8133/bayeux";
var socket = new WebSocketClient(uri: urlThroughSocat);
SetupWebSocket(socket);
InstantiateFayeClient();
_connection = await _fayeClient.Connect();
var tcs = new TaskCompletionSource <string>();
const string channelName = "/somechannel";
var messageToSend = new TestMsg {
Stuff = "the message"
};
var lostTcs = new TaskCompletionSource <bool>();
_connection.ConnectionLost += (sender,
args) => lostTcs.SetResult(true);
var json = JsonConvert.SerializeObject(messageToSend);
// act
await _connection.Subscribe(channelName,
tcs.SetResult);
// ReSharper disable once CSharpWarnings::CS4014
Task.Factory.StartNew(() =>
{
Logger.Info("Killing socat");
_socatInterceptor.Kill();
Logger.Info("Sleeping");
Thread.Sleep(5.Seconds());
Logger.Info("Restarting socat");
_socatInterceptor = StartWritableSocket(hostname: "localhost",
inputPort: inputPort);
});
Logger.Info("Waiting for websocket to acknowledge disconnect");
await lostTcs.Task.WithTimeout(t => t,
20.Seconds());
Logger.Info("Disconnect acknowledged, publishing");
await _connection.Publish(channel : channelName,
message : json);
// assert
var task = tcs.Task;
var result = await task.Timeout(20.Seconds());
if (result == Result.Timeout)
{
Assert.Fail("Timed out waiting for pub/sub to work");
}
var jsonReceived = task.Result;
var objectReceived = JsonConvert.DeserializeObject <TestMsg>(jsonReceived);
objectReceived
.ShouldBeEquivalentTo(messageToSend);
}