public void Given_TheServerIsListening_When_JoinMulticastGroupIsCalled_Then_ItJoinsAMulticastGroup()
{
IPAddress joinedAddress = null;
EndPoint endPoint = new IPEndPoint(IPAddress.Parse("::1"), 1234);
var udpWrapper = Mock.Of <IUdpWrapper>(x =>
x.HostEndPoint == endPoint
);
var returnedAddress = new IPAddress(new byte[] { 192, 168, 0, 1 });
var addressProvider = Mock.Of <ISacnMulticastAddressProvider>(x =>
x.GetMulticastAddress(It.IsAny <UInt16>()) == returnedAddress
);
Mock.Get(udpWrapper)
.Setup(x => x.JoinMulticastGroup(It.IsAny <IPAddress>()))
.Callback <IPAddress>(addr => joinedAddress = addr);
var server = new TestMulticastSacnReceiver(udpWrapper, addressProvider);
server.Listen(IPAddress.Any);
server.JoinMulticastGroup(1);
Assert.Equal(returnedAddress, joinedAddress);
}
public void Given_TheUniverseIsTooLow_When_TheUniverseIsSet_Then_AnExceptionIsThrown()
{
var udpWrapper = Mock.Of <IUdpWrapper>();
var server = new TestMulticastSacnReceiver(udpWrapper, Mock.Of <ISacnMulticastAddressProvider>());
server.Listen(IPAddress.Any);
Assert.Throws <ArgumentOutOfRangeException>(() => server.JoinMulticastGroup(Constants.Universe_MinValue - 1));
}
public void When_JoinMulticastGroupsIsCalled_Then_AllTheGroupsAreJoined()
{
var universes = Enumerable.Range(Constants.Universe_MinValue, 5)
.Select(x => (UInt16)x);
var udpWrapper = Mock.Of <IUdpWrapper>(x =>
x.HostEndPoint == new IPEndPoint(new IPAddress(new byte[] { 192, 168, 0, 1 }), 5568)
);
var addressProvider = Mock.Of <ISacnMulticastAddressProvider>();
var server = new TestMulticastSacnReceiver(udpWrapper, addressProvider);
server.Listen(IPAddress.Any);
server.JoinMulticastGroups(universes);
Mock.Get(udpWrapper)
.Verify(x => x.JoinMulticastGroup(It.IsAny <IPAddress>()), Times.Exactly(universes.Count()));
}
