public async Task Given_ThePacketIsASynchronizationPacket_When_MulticastSendIPV4IsCalled_Then_ThePacketIsSent()
{
var expectedUniverse = (UInt16)1234;
var packet = new SynchronizationPacket();
packet.FramingLayer.SynchronizationAddress = expectedUniverse;
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 async Task Given_ThePacketIsASynchronizationPacket_When_UnicastSendIsCalled_Then_ThePacketIsSent()
{
var expectedAddress = new IPAddress(new byte[] { 1, 2, 3, 4 });
var packet = new SynchronizationPacket();
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 void When_WriteIsCalled_Then_TheDataIsCorrect()
{
byte[] CID = Enumerable.Range(1, 12).Select(x => (byte)x).ToArray();
byte sequenceNumber = 124;
SynchronizationPacket packet = new SynchronizationPacket();
packet.RootLayer.CID = CID;
packet.FramingLayer.SequenceNumber = sequenceNumber;
var expectedBytes = GetSynchronizationPacket(CID, sequenceNumber);
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());
}