public void MemoryStream_JustNewLines_3_BufferSize_2()
{
const int bufferSize = 2;
Encoding encoding = Encoding.Unicode;
TestProbe owner = CreateTestProbe(name: "owner");
MemoryStream stream = CreateMemoryStream("\n\n\n", encoding);
IActorRef streamLines = ActorOf(
StreamLines.Create("just-new-lines-3-buffer-size-2", owner, stream, encoding, bufferSize),
name: "stream-lines"
);
Within(TimeSpan.FromSeconds(5), () =>
{
owner.ExpectMsg <StreamLines.StreamLine>(streamLine =>
{
Assert.Equal(String.Empty, streamLine.Line);
});
owner.ExpectMsg <StreamLines.StreamLine>(streamLine =>
{
Assert.Equal(String.Empty, streamLine.Line);
});
owner.ExpectMsg <StreamLines.StreamLine>(streamLine =>
{
Assert.Equal(String.Empty, streamLine.Line);
});
owner.ExpectMsg <StreamLines.EndOfStream>();
owner.ExpectNoMsg();
});
}
public void MemoryStream_Lines_2_Trailing_NewLine_BufferSize_3()
{
const int bufferSize = 3;
Encoding encoding = Encoding.Unicode;
TestProbe owner = CreateTestProbe(name: "owner");
MemoryStream stream = CreateMemoryStream("ABCDE\nFGHIJ\n", encoding);
IActorRef streamLines = ActorOf(
StreamLines.Create("lines-2-buffer-size-3", owner, stream, encoding, bufferSize)
);
Within(TimeSpan.FromSeconds(5), () =>
{
owner.ExpectMsg <StreamLines.StreamLine>(streamLine =>
{
Assert.Equal("ABCDE", streamLine.Line);
});
owner.ExpectMsg <StreamLines.StreamLine>(streamLine =>
{
Assert.Equal("FGHIJ", streamLine.Line);
});
owner.ExpectMsg <StreamLines.EndOfStream>();
owner.ExpectNoMsg();
});
}
/// <summary>
/// Create a new <see cref="DockerEventParser"/> actor.
/// </summary>
/// <param name="correlationId">
/// The message correlation Id that will be sent with the stream data.
/// </param>
/// <param name="owner">
/// The actor that owns the <see cref="DockerEventParser"/> actor (this actor will receive the stream data).
/// </param>
/// <param name="stream">
/// The <see cref="Stream"/> to read from.
/// </param>
/// <param name="bufferSize">
/// The buffer size to use when reading from the stream.
/// </param>
public DockerEventParser(string correlationId, IActorRef owner, Stream stream, int bufferSize)
{
if (String.IsNullOrWhiteSpace(correlationId))
{
throw new ArgumentException($"Argument cannot be null, empty, or entirely composed of whitespace: {nameof(correlationId)}.", nameof(correlationId));
}
if (owner == null)
{
throw new ArgumentNullException(nameof(owner));
}
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
_owner = owner;
_streamLinesProps = StreamLines.Create(correlationId, Self, stream, Encoding.ASCII, bufferSize);
Receive <StreamLines.StreamLine>(streamLine =>
{
var parsedEvent = DockerEvent.FromJson(streamLine.Line, correlationId);
_owner.Tell(parsedEvent);
});
Receive <ReadStream.StreamError>(error =>
{
_owner.Tell(error);
});
Receive <Terminated>(terminated =>
{
if (terminated.ActorRef.Equals(_owner))
{
Log.Debug("Owner '{0}' terminated.", _owner);
Context.Stop(Self);
}
else if (terminated.ActorRef.Equals(_streamLines))
{
Log.Debug("Streamer '{0}' terminated.", _streamLines);
Context.Stop(Self);
}
else
{
Unhandled(terminated);
}
});
}