public void WhenConfigurationJsonInvalidReturnsFalse()
{
// arrange
var listeningEvent = new ManualResetEventSlim();
var closeSocketEvent = new ManualResetEventSlim();
var serverTask = Server.CreateServer(4999, listeningEvent,
listener =>
{
var socket = listener.Accept();
// receive data hello and reply with incorrect message
var buffer = new byte[256];
var bytesReceived = socket.Receive(buffer);
if (bytesReceived == 2 && buffer[0] == MessageTypes.Hello)
{
socket.Send(new[] { MessageTypes.Configuration });
using (var memoryStream = new MemoryStream())
using (var binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.WriteUtfBigEndian("{\"RunId\":1,");
binaryWriter.Flush();
socket.Send(memoryStream.ToArray());
}
}
closeSocketEvent.Wait();
socket.Shutdown(SocketShutdown.Both);
socket.Close();
});
if (!listeningEvent.Wait(5000))
{
Assert.Fail("Expected server to start listening");
}
var logger = new Mock<ILog>();
var agent = new DefaultTraceAgent(new StaticAgentConfiguration(4999, "127.0.0.1", 5000, logger.Object));
// act
var connected = agent.Connect();
// assert
Assert.IsFalse(connected);
logger.Verify(x => x.Error("Failed to get configuration from HQ.: Unexpected end when deserializing object. Path 'RunId', line 1, position 11.", It.IsAny<Exception>()));
agent.Shutdown();
agent.WaitForShutdown();
closeSocketEvent.Set();
serverTask.Wait();
serverTask.Dispose();
}
public void WhenConnectionValidReturnsTrue()
{
// arrange
var listeningEvent = new ManualResetEventSlim();
var closeSocketEvent = new ManualResetEventSlim();
var serverTask = Server.CreateServer(4999, listeningEvent,
listener =>
{
var socket = listener.Accept();
// receive data hello and reply with incorrect message
var buffer = new byte[256];
var bytesReceived = socket.Receive(buffer);
if (bytesReceived == 2 && buffer[0] == MessageTypes.Hello)
{
socket.Send(new[] { MessageTypes.Configuration });
using (var memoryStream = new MemoryStream())
using (var binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.WriteUtfBigEndian("{\"RunId\":1,\"HeartbeatInterval\":2,\"Exclusions\":[\"Exclusion\"],\"Inclusions\":[\"Inclusion\"],\"BufferMemoryBudget\":3,\"QueueRetryCount\":4,\"NumDataSenders\":5}");
binaryWriter.Flush();
socket.Send(memoryStream.ToArray());
}
}
closeSocketEvent.Wait();
socket.Shutdown(SocketShutdown.Both);
socket.Close();
});
if (!listeningEvent.Wait(5000))
{
Assert.Fail("Expected server to start listening");
}
var logger = new Mock<ILog>();
var agent = new DefaultTraceAgent(new StaticAgentConfiguration(4999, "127.0.0.1", 5000, logger.Object));
// act
var connected = agent.Connect();
// assert
Assert.IsTrue(connected);
closeSocketEvent.Set();
agent.Shutdown();
agent.WaitForShutdown();
serverTask.Wait();
serverTask.Dispose();
}
public void WhenConnectionUnavailableTimeoutOccurs()
{
// arrange
var logger = new Mock<ILog>();
var agent = new DefaultTraceAgent(new StaticAgentConfiguration(4999, "127.0.0.1", 5000, logger.Object));
// act
var connected = agent.Connect();
// assert
Assert.IsFalse(connected);
}
public void WhenDataConnectionValidForOneSenderReturnsTrue()
{
// arrange
var listeningEvent = new ManualResetEventSlim();
var closeSocket1Event = new ManualResetEventSlim();
var closeSocket2Event = new ManualResetEventSlim();
void DoHelloReply(Socket socket, ManualResetEventSlim closeSocketEvent)
{
// receive data hello and reply with incorrect message
var buffer = new byte[256];
var bytesReceived = socket.Receive(buffer);
if (bytesReceived == 2 && buffer[0] == MessageTypes.Hello)
{
socket.Send(new[] { MessageTypes.Configuration });
using (var memoryStream = new MemoryStream())
using (var binaryWriter = new BinaryWriter(memoryStream))
{
binaryWriter.WriteUtfBigEndian("{\"RunId\":1,\"HeartbeatInterval\":2,\"Exclusions\":[\"Exclusion\"],\"Inclusions\":[\"Inclusion\"],\"BufferMemoryBudget\":2048,\"QueueRetryCount\":4,\"NumDataSenders\":1}");
binaryWriter.Flush();
socket.Send(memoryStream.ToArray());
}
}
do
{
Array.Clear(buffer, 0, buffer.Length);
bytesReceived = socket.Receive(buffer);
}
while (!closeSocketEvent.Wait(TimeSpan.FromMilliseconds(1)) && bytesReceived >= 1 && buffer[0] == MessageTypes.Heartbeat);
}
void DoDataHelloReply(Socket socket)
{
// receive data hello and reply
var buffer = new byte[256];
var bytesReceived = socket.Receive(buffer);
if (bytesReceived == 2 && buffer[0] == MessageTypes.DataHello)
{
socket.Send(new[] { MessageTypes.DataHelloReply });
}
}
var replyType = 0;
var serverTask = Server.CreateServer(4999, listeningEvent,
listener =>
{
var socket = listener.Accept();
Interlocked.Increment(ref replyType);
if (replyType == 1)
{
DoHelloReply(socket, closeSocket1Event);
}
else
{
DoDataHelloReply(socket);
}
closeSocket1Event.Wait();
socket.Shutdown(SocketShutdown.Both);
socket.Close();
},
listener =>
{
var socket = listener.Accept();
Interlocked.Increment(ref replyType);
if (replyType == 1)
{
DoHelloReply(socket, closeSocket2Event);
}
else
{
DoDataHelloReply(socket);
}
closeSocket2Event.Wait();
socket.Shutdown(SocketShutdown.Both);
socket.Close();
});
if (!listeningEvent.Wait(5000))
{
Assert.Fail("Expected server to start listening");
}
var logger = new Mock<ILog>();
var agent = new DefaultTraceAgent(new StaticAgentConfiguration(4999, "127.0.0.1", 5000, logger.Object));
// act
var connected = agent.Connect();
var prepared = agent.Prepare();
// assert
Assert.IsTrue(connected);
Assert.IsTrue(prepared);
agent.Shutdown();
agent.WaitForShutdown();
closeSocket1Event.Set();
closeSocket2Event.Set();
serverTask.Wait();
serverTask.Dispose();
}