public void VerifyChannelHandlerCanBeReusedInPipeline()
{
_connection.Setup(x => x.IsServer).Returns(true);
_handler = NewHandler();
// Only read the connection preface...after preface is read internal state of Http2ConnectionHandler
// is expected to change relative to the pipeline.
IByteBuffer preface = Http2CodecUtil.ConnectionPrefaceBuf();
_handler.ChannelRead(_ctx.Object, preface);
_decoder.Verify(
x => x.DecodeFrame(
It.IsAny <IChannelHandlerContext>(),
It.IsAny <IByteBuffer>(),
It.IsAny <List <object> >()),
Times.Never());
// Now remove and add the this.handler...this is setting up the test condition.
_handler.HandlerRemoved(_ctx.Object);
_handler.HandlerAdded(_ctx.Object);
// Now verify we can continue as normal, reading connection preface plus more.
IByteBuffer prefacePlusSome = AddSettingsHeader(Unpooled.Buffer().WriteBytes(Http2CodecUtil.ConnectionPrefaceBuf()));
_handler.ChannelRead(_ctx.Object, prefacePlusSome);
_decoder.Verify(
x => x.DecodeFrame(
It.Is <IChannelHandlerContext>(v => v == _ctx.Object),
It.IsAny <IByteBuffer>(),
It.IsAny <List <object> >()),
Times.AtLeastOnce);
}
public void ServerReceivingValidClientPrefaceStringShouldContinueReadingFrames()
{
_connection.Setup(x => x.IsServer).Returns(true);
_handler = NewHandler();
IByteBuffer prefacePlusSome = AddSettingsHeader(Unpooled.Buffer().WriteBytes(Http2CodecUtil.ConnectionPrefaceBuf()));
_handler.ChannelRead(_ctx.Object, prefacePlusSome);
_decoder.Verify(
x => x.DecodeFrame(
It.Is <IChannelHandlerContext>(v => v == _ctx.Object),
It.IsAny <IByteBuffer>(),
It.IsAny <List <object> >()),
Times.AtLeastOnce);
}
public void ServerReceivingInvalidClientPrefaceStringShouldHandleException()
{
_connection.Setup(x => x.IsServer).Returns(true);
_handler = NewHandler();
_handler.ChannelRead(_ctx.Object, Unpooled.CopiedBuffer("BAD_PREFACE", Encoding.UTF8));
var captor = new ArgumentCaptor <IByteBuffer>();
_frameWriter.Verify(
x => x.WriteGoAwayAsync(
It.Is <IChannelHandlerContext>(v => v == _ctx.Object),
It.Is <int>(v => v == 0),
It.Is <Http2Error>(v => v == Http2Error.ProtocolError),
It.Is <IByteBuffer>(v => captor.Capture(v)),
It.Is <IPromise>(v => v == _promise)));
Assert.Equal(0, captor.GetValue().ReferenceCount);
}
public void ServerReceivingHttp1ClientPrefaceStringShouldIncludePreface()
{
_connection.Setup(x => x.IsServer).Returns(true);
_handler = NewHandler();
_handler.ChannelRead(_ctx.Object, Unpooled.CopiedBuffer("GET /path HTTP/1.1", Encoding.ASCII));
var captor = new ArgumentCaptor <IByteBuffer>();
_frameWriter.Verify(
x => x.WriteGoAwayAsync(
It.Is <IChannelHandlerContext>(v => v == _ctx.Object),
It.Is <int>(v => v == 0),
It.Is <Http2Error>(v => v == Http2Error.ProtocolError),
It.Is <IByteBuffer>(v => captor.Capture(v)),
It.Is <IPromise>(v => v == _promise)));
Assert.Equal(0, captor.GetValue().ReferenceCount);
Assert.Contains("/path", _goAwayDebugCap);
}
public void ServerReceivingClientPrefaceStringFollowedByNonSettingsShouldHandleException()
{
_connection.Setup(x => x.IsServer).Returns(true);
_handler = NewHandler();
// Create a connection preface followed by a bunch of zeros (i.e. not a settings frame).
IByteBuffer buf = Unpooled.Buffer().WriteBytes(Http2CodecUtil.ConnectionPrefaceBuf()).WriteZero(10);
_handler.ChannelRead(_ctx.Object, buf);
var captor = new ArgumentCaptor <IByteBuffer>();
_frameWriter.Verify(
x => x.WriteGoAwayAsync(
It.Is <IChannelHandlerContext>(v => v == _ctx.Object),
It.Is <int>(v => v == 0),
It.Is <Http2Error>(v => v == Http2Error.ProtocolError),
It.Is <IByteBuffer>(v => captor.Capture(v)),
It.Is <IPromise>(v => v == _promise)),
Times.AtLeastOnce);
Assert.Equal(0, captor.GetValue().ReferenceCount);
}