public void When_multiple_messages_written_then_they_are_consumed_in_order_leaving_nothing()
{
var guidMessages = new GuidMessageReaderWriter();
var store = new SegmentChainMessageStore(guidMessages, _pool);
var lowerBoundEstimationOfMessagesPerSegment = SingleThreadSegmentPool.SegmentSize/sizeof (Guid);
var atLeastTwoSegmentsOfMessages = lowerBoundEstimationOfMessagesPerSegment*2;
var guids = Enumerable.Range(0, atLeastTwoSegmentsOfMessages).Select(i => Guid.NewGuid()).ToArray();
var env = new Envelope();
var head = default(Segment*);
fixed (Guid* g = guids)
{
for (var i = 0; i < guids.Length; i++)
{
store.Write(ref env, ref *(g + i), ref head);
}
}
store.Consume(guidMessages.MessageHandler, ref head);
CollectionAssert.AreEquivalent(guids, guidMessages.Received);
// nothing is left
guidMessages.Received.Clear();
store.Consume(guidMessages.MessageHandler, ref head);
CollectionAssert.IsEmpty(guidMessages.Received);
}
public unsafe void Test()
{
var counter = Substitute.For<IStructSizeCounter>();
const int aSize = 64;
counter.GetSize(typeof (A)).Returns(aSize);
const int envelopeSize = 4;
counter.GetSize(typeof (Envelope)).Returns(envelopeSize);
var buffer = Substitute.For<IRingBuffer>();
buffer.Write(0, new ByteChunk()).ReturnsForAnyArgs(true);
const int messageId = 5;
var asm = AppDomain.CurrentDomain.DefineDynamicAssembly(new AssemblyName("AnythingForTests"),
AssemblyBuilderAccess.Run);
var main = asm.DefineDynamicModule("main");
var writer = MessageWriterBuilder.Build(counter, l => messageId, new[] {typeof (A)}, main);
var e = new Envelope(new ActorId(1));
var a = new A();
Assert.True(writer.Write(ref e, ref a, buffer));
var call = buffer.ReceivedCalls().Single();
var args = call.GetArguments();
Assert.AreEqual("Write", call.GetMethodInfo().Name);
Assert.AreEqual(messageId, args[0]);
Assert.AreEqual(new ByteChunk((byte*) &a, aSize), args[1]);
}
public void WhenWriteFailsRetryCountMinusOneTimes_ThenFinalSucceeds()
{
A any;
var e = new Envelope();
_writer.Write(ref e, ref any, null).ReturnsForAnyArgs(call => false, call => false, call => true);
var a = new A();
_bus.Send(ref a, AId);
}
public void WhenWriteFailsRetryCountTimes_ThenExceptionIsThrown()
{
A any;
var e = new Envelope();
_writer.Write(ref e, ref any, null)
.ReturnsForAnyArgs(call => false, call => false, call => false, call => true);
var a = new A();
Assert.Throws(Is.AssignableTo<Exception>(), () => _bus.Send(ref a, AId));
}
public void WhenPublish_ThenAllReceiversAreIncluded()
{
ArraySegment<IRingBuffer> buffers;
Registry.GetBuffers(typeof (A), out buffers);
var expectedCount = buffers.Count;
A any;
var e = new Envelope();
_writer.Write(ref e, ref any, null).ReturnsForAnyArgs(true);
var a = new A();
_bus.Publish(ref a);
_writer.ReceivedWithAnyArgs(expectedCount).Write(ref e, ref a, null);
}