public void ServerDisconnect([Values(true, false)] bool reconnect)
{
// Start fake IRC server
FakeIrcServerTask fakeIrc = new FakeIrcServerTask();
fakeIrc.Start();
// For this test we're going to get the fake IRC server to kill our connection on purpose
try {
IrcTcpTransport tcp = new IrcTcpTransport(FakeIrcServerTask.Address, FakeIrcServerTask.Port);
tcp.Encoding = Encoding.UTF8;
pingInterval = 20;
pingTimeout = 5;
runConnectionScenario(tcp, async () => {
Debug.WriteLine("Waiting for " + killDelay + "ms on secondary thread before initiating server disconnect");
await Task.Delay(killDelay);
Debug.WriteLine("Killing connection from server side");
fakeIrc.Reset();
}, true, reconnect);
} catch (Exception e) {
Debug.WriteLine(e.Message);
} finally {
fakeIrc.Stop();
}
}
public void ClientDisconnectViaPingTimeout([Values(false, true)] bool reconnect)
{
// Start fake IRC server
FakeIrcServerTask fakeIrc = new FakeIrcServerTask();
fakeIrc.Start();
// Configure the scenario to kill pong responses after a while
try {
IrcTcpTransport tcp = new IrcTcpTransport(FakeIrcServerTask.Address, FakeIrcServerTask.Port);
tcp.Encoding = Encoding.UTF8;
pingInterval = 10;
pingTimeout = 5;
runConnectionScenario(tcp, async () => {
fakeIrc.SendPong = true;
Debug.WriteLine("Waiting for " + pongDelay + "ms on secondary thread before disabling pongs");
await Task.Delay(pongDelay);
Debug.WriteLine("Disabling pongs");
fakeIrc.SendPong = false;
}, true, reconnect);
} catch (Exception e) {
Debug.WriteLine(e.Message);
} finally {
fakeIrc.Stop();
}
}
public void PriorityWriteQueueTest()
{
// Start fake IRC server
FakeIrcServerTask fakeIrc = new FakeIrcServerTask();
fakeIrc.Start();
// For checking the write queue works as we want
string lastExpected = "";
string lastReceived = "";
Queue<string> expectedLines = new Queue<string>();
try {
// Start the client
IrcTcpTransport tcp = new IrcTcpTransport(FakeIrcServerTask.Address, FakeIrcServerTask.Port);
tcp.Encoding = Encoding.UTF8;
irc.SendDelay = 300;
AutoResetEvent joined = new AutoResetEvent(false);
irc.OnJoin += (s, e) => {
joined.Set();
};
runConnectionScenario(tcp, () => {
// Wait for the initial JOIN to complete
joined.WaitOne();
// Fill queue
irc.WriteQueuePaused = true;
Dictionary<Priority, int> queueLengths = new Dictionary<Priority, int> {
{ Priority.High, 2 },
{ Priority.AboveMedium, 6 },
{ Priority.Medium, 3 },
{ Priority.BelowMedium, 4 },
{ Priority.Low, 3 }
};
foreach (var kvp in queueLengths)
for (int i = 0; i < kvp.Value; i++)
irc.WriteLine(kvp.Key.ToString() + " " + i, kvp.Key);
// Calculate the expected transmission order
for (int i = 0; queueLengths[Priority.High]-- > 0; i++) {
expectedLines.Enqueue(Priority.High.ToString() + " " + i);
}
int thresholdAM = 4;
int thresholdM = 2;
int thresholdBM = 1;
int sentAMtotal = 0;
int sentMtotal = 0;
int sentBMtotal = 0;
while (queueLengths[Priority.BelowMedium] > 0) {
for (int sentAM = 0; sentAM < thresholdAM && queueLengths[Priority.AboveMedium]-- > 0; sentAM++) {
expectedLines.Enqueue(Priority.AboveMedium.ToString() + " " + sentAMtotal++);
}
for (int sentM = 0; sentM < thresholdM && queueLengths[Priority.Medium]-- > 0; sentM++) {
expectedLines.Enqueue(Priority.Medium.ToString() + " " + sentMtotal++);
}
for (int sentBM = 0; sentBM < thresholdBM && queueLengths[Priority.BelowMedium]-- > 0; sentBM++) {
expectedLines.Enqueue(Priority.BelowMedium.ToString() + " " + sentBMtotal++);
}
}
for (int i = 0; queueLengths[Priority.Low]-- > 0; i++) {
expectedLines.Enqueue(Priority.Low.ToString() + " " + i);
}
// Compare received lines with expectation
AutoResetEvent received = new AutoResetEvent(false);
WriteLineEventHandler writeLine = (s, e) => {
lock (this) {
lastExpected = expectedLines.Dequeue();
lastReceived = e.Line;
}
received.Set();
};
irc.OnWriteLine += writeLine;
irc.WriteQueuePaused = false;
// We have to Assert the received messages on this thread to make sure NUnit gets the exception
while (irc.WriteQueueLength > 0) {
received.WaitOne();
lock (this) {
if (lastExpected != lastReceived) {
irc.OnWriteLine -= writeLine;
break;
}
}
}
irc.Disconnect();
}, false, false);
} finally {
fakeIrc.Stop();
Assert.That(lastExpected == lastReceived, "Unexpected transmission order: " + lastReceived + " (expected: " + lastExpected + ")");
}
}
public void BurstTest()
{
// Start fake IRC server
FakeIrcServerTask fakeIrc = new FakeIrcServerTask();
fakeIrc.Start();
try {
// Start the client
IrcTcpTransport tcp = new IrcTcpTransport(FakeIrcServerTask.Address, FakeIrcServerTask.Port);
tcp.Encoding = Encoding.UTF8;
// Set burst parameters
// Rate limit to 10 messages per second, free burst
irc.BurstSize = 10;
irc.BurstInterval = 1000;
irc.BurstWaitThreshold = 0;
irc.BurstWait = 0;
irc.SendDelay = 3000;
// 3-message burst with 10 second cooldown, otherwise send one message per 500ms
//irc.BurstSize = 3;
//irc.BurstInterval = 0;
//irc.BurstWaitThreshold = 2;
//irc.BurstWait = 10000;
//irc.SendDelay = 500;
AutoResetEvent joined = new AutoResetEvent(false);
irc.OnJoin += (s, e) => {
joined.Set();
};
runConnectionScenario(tcp, () => {
// Wait for the initial JOIN to complete
joined.WaitOne();
// Fill queue
irc.WriteQueuePaused = true;
// Queue a bunch of messages
for (int i = 0; i < 1000; i++) {
irc.WriteLine("Line " + i, Priority.Medium);
}
AutoResetEvent received = new AutoResetEvent(false);
WriteLineEventHandler writeLine = (s, e) => {
received.Set();
};
irc.OnWriteLine += writeLine;
irc.WriteQueuePaused = false;
// We have to Assert the received messages on this thread to make sure NUnit gets the exception
while (irc.WriteQueueLength > 0) {
received.WaitOne();
}
irc.Disconnect();
}, false, false);
} finally {
fakeIrc.Stop();
}
}