public void Given_TheDataContainsTheWrongVector_When_ParseIsCalled_Then_NullIsReturned()
{
List <byte> bytes = new List <byte>();
int universeCount = 5;
byte length = (byte)(UniverseDiscoveryLayer.MinLength + (universeCount << 1));
bytes.AddRange(new byte[] { 0x7 << 4, (length) }); // flags and length
UInt32 expectedVector = 250;
bytes.AddRange(new byte[] { 0, 0, 0, (byte)expectedVector }); // Vector
byte page = 27;
bytes.Add(page);
byte lastPage = 28;
bytes.Add(lastPage);
var expectedUniverses = new UInt16[]
{
1,
2,
3,
4,
5
};
foreach (var expectedUniverse in expectedUniverses)
{
bytes.Add(0);
bytes.Add((byte)expectedUniverse);
}
Assert.Null(UniverseDiscoveryLayer.Parse(bytes.ToArray()));
}
public static Span <byte> GetUniverseDiscoveryPacket(byte[] CID, string sourceName, byte page, byte lastPage, UInt16[] universes)
{
var rootLayer = new RootLayer
{
CID = CID,
Vector = RootLayerVector.VECTOR_ROOT_E131_EXTENDED
};
var framingLayer = new UniverseDiscoveryPacketFramingLayer
{
SourceName = sourceName
};
var universeDiscoveryLayer = new UniverseDiscoveryLayer
{
Page = page,
LastPage = lastPage,
Universes = universes
};
int totalLength = RootLayer.Length + UniverseDiscoveryPacketFramingLayer.Length + universeDiscoveryLayer.Length;
using var owner = MemoryPool <byte> .Shared.Rent(totalLength);
var bytes = owner.Memory.Span.Slice(0, totalLength);
rootLayer.Write(bytes, (UInt16)(SynchronizationPacketFramingLayer.Length + universeDiscoveryLayer.Length));
framingLayer.Write(bytes.Slice(RootLayer.Length), universeDiscoveryLayer.Length);
universeDiscoveryLayer.Write(bytes.Slice(RootLayer.Length + UniverseDiscoveryPacketFramingLayer.Length));
return(bytes);
}
public UniverseDiscoveryPacket()
{
RootLayer = new RootLayer
{
Vector = RootLayerVector.VECTOR_ROOT_E131_EXTENDED
};
FramingLayer = new UniverseDiscoveryPacketFramingLayer();
UniverseDiscoveryLayer = new UniverseDiscoveryLayer();
}
public void Given_TheDataIsCorrect_When_ParseIsCalled_Then_TheDataIsParsedAsExpected()
{
byte page = 27;
byte lastPage = 28;
var expectedUniverses = Enumerable.Range(byte.MaxValue, 1023)
.Select(x => (UInt16)x)
.ToArray();
var bytes = GetUniverseDiscoveryLayer(expectedUniverses, page, lastPage);
var universeDiscoveryLayer = UniverseDiscoveryLayer.Parse(bytes.ToArray());
Assert.Equal(UniverseDiscoveryLayerVector.VECTOR_UNIVERSE_DISCOVERY_UNIVERSE_LIST, universeDiscoveryLayer.Vector);
Assert.Equal(page, universeDiscoveryLayer.Page);
Assert.Equal(lastPage, universeDiscoveryLayer.LastPage);
Assert.Equal(expectedUniverses, universeDiscoveryLayer.Universes);
}
public void Given_ThePacketIsAValidUniverseDiscoveryPacket_When_ParseIsCalled_Then_ThePacketIsParsedCorrectly()
{
byte[] CID = Enumerable.Range(1, 12).Select(x => (byte)x).ToArray();
var rootLayer = new RootLayer
{
CID = CID,
Vector = RootLayerVector.VECTOR_ROOT_E131_EXTENDED
};
string sourceName = "Source name";
var framingLayer = new UniverseDiscoveryPacketFramingLayer
{
SourceName = sourceName
};
UInt16[] universes = Enumerable.Range(200, 1000)
.Select(x => (UInt16)x)
.ToArray();
var discoveryLayer = new UniverseDiscoveryLayer
{
Universes = universes,
Page = 25,
LastPage = 25
};
int totalLength = discoveryLayer.Length + UniverseDiscoveryPacketFramingLayer.Length + RootLayer.Length;
using var owner = MemoryPool <byte> .Shared.Rent(totalLength);
var bytes = owner.Memory.Span.Slice(0, totalLength);
rootLayer.Write(bytes, (UInt16)(UniverseDiscoveryPacketFramingLayer.Length + discoveryLayer.Length));
framingLayer.Write(bytes.Slice(RootLayer.Length), discoveryLayer.Length);
discoveryLayer.Write(bytes.Slice(RootLayer.Length + UniverseDiscoveryPacketFramingLayer.Length));
var packet = SacnPacket.Parse(bytes);
Assert.NotNull(packet);
Assert.IsType <UniverseDiscoveryPacket>(packet);
}
public void When_WriteIsCalled_Then_TheDataIsCorrect()
{
var universes = Enumerable.Range(byte.MaxValue, byte.MaxValue + 1023)
.Select(x => (UInt16)x)
.ToArray();
byte page = 36;
byte lastPage = 230;
var expectedBytes = GetUniverseDiscoveryLayer(universes, page, lastPage);
var universeDiscoveryLayer = new UniverseDiscoveryLayer()
{
Universes = universes,
Page = page,
LastPage = lastPage
};
using var owner = MemoryPool <byte> .Shared.Rent(UniverseDiscoveryLayer.MinLength + (universes.Length << 1));
var actualBytes = owner.Memory.Span.Slice(0, UniverseDiscoveryLayer.MinLength + (universes.Length << 1));
universeDiscoveryLayer.Write(actualBytes);
Assert.Equal(expectedBytes, actualBytes.ToArray());
}
