public void SetUp()
{
clientConnections = new List <IConnection>();
serverConnections = new List <IConnection>();
var config = new Config {
MaxConnections = ClientCount
};
maxFragmentMessageSize = config.MaxReliableFragments * (config.MaxPacketSize - AckSystem.MIN_RELIABLE_FRAGMENT_HEADER_SIZE);
NotifyWaitTime = config.TimeBeforeEmptyAck * 2;
server = new PeerInstanceWithSocket(config);
clients = new PeerInstanceWithSocket[ClientCount];
Action <IConnection> serverConnect = (conn) => serverConnections.Add(conn);
server.peer.OnConnected += serverConnect;
server.peer.Bind(TestEndPoint.CreateSubstitute());
for (int i = 0; i < ClientCount; i++)
{
clients[i] = new PeerInstanceWithSocket(config);
clientConnections.Add(clients[i].peer.Connect(server.endPoint));
}
UpdateAll();
}
public void BindShoudlCallSocketBind()
{
var endPoint = TestEndPoint.CreateSubstitute();
peer.Bind(endPoint);
socket.Received(1).Bind(Arg.Is(endPoint));
}
public void ConnectShouldReturnANewConnection()
{
IEndPoint endPoint = TestEndPoint.CreateSubstitute();
IConnection conn = peer.Connect(endPoint);
Assert.That(conn, Is.TypeOf <Connection>(), "returned type should be connection");
Assert.That(conn.State, Is.EqualTo(ConnectionState.Connecting), "new connection should be connecting");
}
public void ConnectShouldSendMessageToSocket()
{
IEndPoint endPoint = TestEndPoint.CreateSubstitute();
peer.Connect(endPoint);
byte[] expected = connectRequest;
socket.Received(1).Send(
Arg.Is(endPoint),
Arg.Is <byte[]>(actual => actual.AreEquivalentIgnoringLength(expected)),
Arg.Is(expected.Length)
);
}
public IEnumerator ShouldInvokeConnectionFailedIfNoReplyAfterMax()
{
IEndPoint endPoint = TestEndPoint.CreateSubstitute();
IConnection conn = peer.Connect(endPoint);
// wait enough time so that would have been called
// make sure to call update so events are invoked
// 0.5 little extra to be sure
float end = time.Now + config.MaxConnectAttempts * config.ConnectAttemptInterval + 0.5f;
while (end > time.Now)
{
peer.UpdateTest();
yield return(null);
}
connectAction.DidNotReceiveWithAnyArgs().Invoke(default);
public void ServerAcceptsAllClients()
{
server.peer.Bind(TestEndPoint.CreateSubstitute());
Action <IConnection> connectAction = Substitute.For <Action <IConnection> >();
server.peer.OnConnected += connectAction;
for (int i = 0; i < ClientCount; i++)
{
// tell client i to connect
clients[i].peer.Connect(server.endPoint);
Action <IConnection> clientConnectAction = Substitute.For <Action <IConnection> >();
clients[i].peer.OnConnected += clientConnectAction;
// no change untill update
Assert.That(server.socket.Sent.Count, Is.EqualTo(i));
connectAction.ReceivedWithAnyArgs(i).Invoke(default);
public static void SetupReceiveCall(this ISocket socket, byte[] data, IEndPoint endPoint = null, int?length = null)
{
socket.Poll().Returns(true, false);
socket
// when any call
.When(x => x.Receive(Arg.Any <byte[]>(), out Arg.Any <IEndPoint>()))
// return the data from endpoint
.Do(x =>
{
var dataArg = (byte[])x[0];
for (var i = 0; i < data.Length; i++)
{
dataArg[i] = data[i];
}
x[1] = endPoint ?? TestEndPoint.CreateSubstitute();
});
socket.Receive(Arg.Any <byte[]>(), out Arg.Any <IEndPoint>()).Returns(length ?? data.Length);
}
public void AcceptsConnectionForValidMessage()
{
peer.Bind(TestEndPoint.CreateSubstitute());
var connectAction = Substitute.For <Action <IConnection> >();
peer.OnConnected += connectAction;
var endPoint = TestEndPoint.CreateSubstitute();
socket.SetupReceiveCall(connectRequest, endPoint);
peer.UpdateTest();
// server sends accept and invokes event locally
socket.Received(1).Send(endPoint, Arg.Is <byte[]>(x =>
x.Length >= 2 &&
x[0] == (byte)PacketType.Command &&
x[1] == (byte)Commands.ConnectionAccepted
), 2);
connectAction.ReceivedWithAnyArgs(1).Invoke(default);
public IEnumerator ShouldResendConnectMessageIfNoReply()
{
IEndPoint endPoint = TestEndPoint.CreateSubstitute();
_ = peer.Connect(endPoint);
byte[] expected = connectRequest;
// wait enough time so that would have been called
// make sure to call update so events are invoked
// 0.5 little extra to be sure
float end = time.Now + config.MaxConnectAttempts * config.ConnectAttemptInterval + 0.5f;
float nextSendCheck = 0;
int sendCount = 0;
while (end > time.Now)
{
peer.UpdateTest();
if (nextSendCheck < time.Now)
{
nextSendCheck = time.Now + config.ConnectAttemptInterval * 1.1f;
sendCount++;
// check send
int expectedCount = Mathf.Min(sendCount, config.MaxConnectAttempts);
socket.Received(expectedCount).Send(
Arg.Is(endPoint),
Arg.Is <byte[]>(actual => actual.AreEquivalentIgnoringLength(expected)),
Arg.Is(expected.Length)
);
}
yield return(null);
}
// check send is called max attempts times
socket.Received(config.MaxConnectAttempts).Send(
Arg.Is(endPoint),
Arg.Is <byte[]>(actual => actual.AreEquivalentIgnoringLength(expected)),
Arg.Is(expected.Length)
);
}
public void CloseSendsDisconnectMessageToAllConnections()
{
var endPoint = TestEndPoint.CreateSubstitute();
peer.Bind(endPoint);
var endPoints = new IEndPoint[maxConnections];
for (var i = 0; i < maxConnections; i++)
{
endPoints[i] = TestEndPoint.CreateSubstitute();
socket.SetupReceiveCall(connectRequest, endPoints[i]);
peer.UpdateTest();
}
for (var i = 0; i < maxConnections; i++)
{
socket.ClearReceivedCalls();
}
peer.Close();
var disconnectCommand = new byte[3]
{
(byte)PacketType.Command,
(byte)Commands.Disconnect,
(byte)DisconnectReason.RequestedByRemotePeer,
};
for (var i = 0; i < maxConnections; i++)
{
socket.Received(1).Send(
Arg.Is(endPoints[i]),
Arg.Is <byte[]>(actual => actual.AreEquivalentIgnoringLength(disconnectCommand)),
Arg.Is(disconnectCommand.Length)
);
}
}