internal MessageStream(string brokerName, IModel model, MessageStreamer messageWriting)
{
this.brokerName = brokerName;
this.model = model;
body = new Message[0];
this.messageWriting = messageWriting;
}
private void AssertMessageStreamer(MessageStreamer streamer, SifVersion version)
{
long length = streamer.Length;
MemoryStream ms = new MemoryStream();
streamer.CopyTo(ms);
// Copy to a string for debugging purposes
Console.WriteLine("********************************************************************");
string data = Encoding.UTF8.GetString(ms.ToArray());
Console.WriteLine("RawLength:{0}, Text Length:{1}", ms.Length, data.Length);
Console.WriteLine(data);
Assert.AreEqual(length, ms.Length, "Length property and final length are not the same.");
// Try parsing the final stream to see if it is a valid message
SifParser parser = SifParser.NewInstance();
ms.Seek(0, SeekOrigin.Begin);
StreamReader reader = new StreamReader(ms);
SifElement o = parser.Parse(reader, null, SifParserFlags.None, version);
Assert.IsNotNull(o);
}
private void RunLengthTest(Stream[] payloads, bool error, bool replace, SifVersion version)
{
// This test loosely emulates what ResponseDelivery does when it builds up the MessageStreamer class
// Prepare SIF_Response
SIF_Response rsp = new SIF_Response();
rsp.SIF_MorePackets = "No";
rsp.SIF_RequestMsgId = "12345123451234512345";
rsp.SIF_PacketNumber = 1;
rsp.SifVersion = version;
// Write an empty "<SIF_ObjectData> </SIFObjectData>" for the
// MessageStreamer to fill in. If this is an errorPacket, the empty
// element is required per SIF Specifications.
SIF_ObjectData placeholder = new SIF_ObjectData();
placeholder.TextValue = " ";
rsp.SIF_ObjectData = placeholder;
if (error)
{
SIF_Error err = new SIF_Error();
err.TextValue = " ";
rsp.SIF_Error = err;
}
// Assign values to message header - this is usually done by
// MessageDispatcher.send() but because we're preparing a SIF_Response
// output stream we need to do it manually
SIF_Header hdr = rsp.Header;
hdr.SIF_Timestamp = DateTime.Now;
hdr.SIF_MsgId = SifFormatter.GuidToSifRefID(Guid.NewGuid());
hdr.SIF_SourceId = "UnitTest";
hdr.SIF_DestinationId = "123451234512345";
// Write SIF_Response -- without its SIF_ObjectData payload -- to a buffer
using (MemoryStream envelope = new MemoryStream())
{
SifWriter writer = new SifWriter(envelope);
writer.Write(rsp);
writer.Flush();
envelope.Seek(0, SeekOrigin.Begin);
StreamReader reader = new StreamReader(envelope, Encoding.UTF8);
String envelopeStr = reader.ReadToEnd();
Console.Out.WriteLine(envelopeStr);
envelope.Seek(0, SeekOrigin.Begin);
using (
MessageStreamer ms =
new MessageStreamer(envelope, payloads, error ? "<SIF_Error>" : "<SIF_ObjectData>", replace))
{
AssertMessageStreamer(ms, version);
}
envelope.Close();
}
}
