public async Task Given_ThePacketIsAUniverseDiscoveryPacket_When_MulticastSendIPV4IsCalled_Then_ThePacketIsSent()
{
var expectedUniverse = UniverseDiscoveryPacket.DiscoveryUniverse;
var packet = new UniverseDiscoveryPacket();
packet.UniverseDiscoveryLayer.Universes = new UInt16[] { 1 };
packet.FramingLayer.SourceName = "Source";
byte[] expectedBytes = new byte[packet.Length];
packet.Write(expectedBytes);
var expectedIP = IPAddress.Parse("127.0.0.1");
var udpWrapper = Mock.Of<IUdpWrapper>();
var addressProvider = Mock.Of<ISacnMulticastAddressProvider>(x =>
x.GetMulticastAddress(
It.Is<UInt16>(universe => universe == expectedUniverse)
) == expectedIP
);
var sender = new TestMulticastSacnSender(udpWrapper, addressProvider);
await sender.Send(packet);
Mock.Get(udpWrapper)
.Verify(x => x.Send(
It.Is<IPEndPoint>(x => x.Address == expectedIP && x.Port == 5568),
It.Is<ReadOnlyMemory<byte>>(x => x.ToArray().SequenceEqual(expectedBytes))
));
}
public void When_WriteIsCalled_Then_TheDataIsCorrect()
{
byte[] CID = Enumerable.Range(1, 12).Select(x => (byte)x).ToArray();
var sourceName = "This is a good enough source name";
byte page = 1;
byte lastPage = 45;
UInt16[] universes = Enumerable.Range(25, 25)
.Select(x => (UInt16)x)
.ToArray();
var packet = new UniverseDiscoveryPacket();
packet.RootLayer.CID = CID;
packet.FramingLayer.SourceName = sourceName;
packet.UniverseDiscoveryLayer.Page = page;
packet.UniverseDiscoveryLayer.LastPage = page;
packet.UniverseDiscoveryLayer.Universes = universes;
var expectedBytes = GetUniverseDiscoveryPacket(CID, sourceName, page, lastPage, universes);
using var owner = MemoryPool <byte> .Shared.Rent(packet.Length);
var bytes = owner.Memory.Span.Slice(0, packet.Length);
packet.Write(bytes);
Assert.Equal(expectedBytes.ToArray(), bytes.ToArray());
}
public async Task When_AUniverseDiscoveryPacketISReceived_Then_TheEventIsTriggered()
{
var udpWrapper = Mock.Of <IUdpWrapper>();
var server = new TestSacnReceiver(udpWrapper);
server.Listen(IPAddress.Any);
UniverseDiscoveryPacket receivedPacket = null;
server.OnUniverseDiscoveryPacketReceived += (object sender, UniverseDiscoveryPacket packet) =>
{
receivedPacket = packet;
};
byte[] CID = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
string sourceName = "This is a good enough source name";
byte page = 57;
byte lastPage = 59;
UInt16[] universes = Enumerable.Range(1200, 25)
.Select(x => (UInt16)x)
.ToArray();
var buffer = UniverseDiscoveryPacketTests.GetUniverseDiscoveryPacket(CID, sourceName, page, lastPage, universes).ToArray();
Mock.Get(udpWrapper).Raise(x => x.OnPacketReceived += null, null, new UdpReceiveResult(buffer, new IPEndPoint(IPAddress.Parse("127.0.0.1"), 1234)));
await Task.Delay(250);
Assert.NotNull(receivedPacket);
}
public async Task Given_ThePacketIsUniverseDiscoveryPacket_When_UnicastSendIsCalled_Then_ThePacketIsSent()
{
var expectedAddress = new IPAddress(new byte[] { 1, 2, 3, 4 });
var packet = new UniverseDiscoveryPacket();
packet.UniverseDiscoveryLayer.Universes = new UInt16[] { 1, 2, 3, 4 };
packet.FramingLayer.SourceName = "Source";
byte[] expectedBytes = new byte[packet.Length];
packet.Write(expectedBytes);
var udpWrapper = Mock.Of <IUdpWrapper>();
var sender = new UnicastSacnSender(udpWrapper, expectedAddress);
await sender.Send(packet);
Mock.Get(udpWrapper)
.Verify(x => x.Send(
It.Is <IPEndPoint>(x => x.Address == expectedAddress && x.Port == 5568),
It.Is <ReadOnlyMemory <byte> >(x => x.ToArray().SequenceEqual(expectedBytes))
));
}
public Task Send(UniverseDiscoveryPacket packet)
{
return(SendInternal(RemoteHost, packet));
}
public Task Send(UniverseDiscoveryPacket packet)
{
return(SendInternal(MulticastAddressProvider.GetMulticastAddress(UniverseDiscoveryPacket.DiscoveryUniverse), packet));
}
