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//
//
// Tencent is pleased to support the open source community by making tRPC available.
//
// Copyright (C) 2023 Tencent.
// All rights reserved.
//
// If you have downloaded a copy of the tRPC source code from Tencent,
// please note that tRPC source code is licensed under the Apache 2.0 License,
// A copy of the Apache 2.0 License is included in this file.
//
//
package trpc_test
import (
"context"
"net"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
trpcpb "trpc.group/trpc/trpc-protocol/pb/go/trpc"
trpc "trpc.group/trpc-go/trpc-go"
"trpc.group/trpc-go/trpc-go/codec"
"trpc.group/trpc-go/trpc-go/errs"
)
// TestStreamCodecInit tests stream Init frame codec.
func TestStreamCodecInit(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
// Client encode
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_INIT),
StreamID: 100,
}
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x53, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0,
0xa, 0x41, 0xa, 0x17, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73, 0x65, 0x72, 0x76,
0x65, 0x72, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f, 0x74, 0x72, 0x70, 0x63,
0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e,
0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f}
msg.WithFrameHead(frameHead)
msg.WithStreamID(100)
msg.WithCallerServiceName("trpc.app.server.service")
msg.WithClientRPCName("/trpc.test.helloworld.Greeter/SayHello")
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
msg.WithLocalAddr(laddr)
msg.WithRemoteAddr(raddr)
initBuf, err := clientCodec.Encode(msg, nil)
assert.Nil(t, err)
assert.Equal(t, initResult, initBuf)
// Client Encode With MetaData
initMetaResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x63, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0,
0x0, 0xa, 0x51, 0xa, 0x17, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73, 0x65, 0x72,
0x76, 0x65, 0x72, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f, 0x74, 0x72,
0x70, 0x63, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72,
0x6c, 0x64, 0x2e, 0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65,
0x6c, 0x6c, 0x6f, 0x2a, 0xe, 0xa, 0x5, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x12, 0x5, 0x77, 0x6f, 0x72,
0x6c, 0x64}
msg.WithFrameHead(frameHead)
msg.WithStreamID(100)
meta := codec.MetaData{"hello": []byte("world")}
msg.WithClientMetaData(meta)
msg.WithCallerServiceName("trpc.app.server.service")
msg.WithClientRPCName("/trpc.test.helloworld.Greeter/SayHello")
initBuf, err = clientCodec.Encode(msg, nil)
assert.Nil(t, err)
assert.Equal(t, initMetaResult, initBuf)
// server Decode
serverCtx := context.Background()
_, serverMsg := codec.WithNewMessage(serverCtx)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
init, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, init)
assert.Equal(t, uint32(100), serverMsg.StreamID())
assert.NotNil(t, serverMsg.CallerService())
// server encode
ctx = context.Background()
_, encodeMsg := codec.WithNewMessage(ctx)
serverFrameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_INIT),
StreamID: 100,
}
encodeMsg.WithFrameHead(serverFrameHead)
encodeMsg.WithStreamID(100)
errRsp := errs.NewFrameError(errs.RetServerEncodeFail, "server test encode fail")
encodeMsg.WithServerRspErr(errRsp)
serverEncodeData := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64,
0x0, 0x0, 0x12, 0x1b, 0x8, 0x2, 0x12, 0x17, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x74, 0x65,
0x73, 0x74, 0x20, 0x65, 0x6e, 0x63,
0x6f, 0x64, 0x65, 0x20, 0x66, 0x61, 0x69, 0x6c}
rspBuf, err := serverCodec.Encode(encodeMsg, nil)
assert.Nil(t, err)
assert.Equal(t, serverEncodeData, rspBuf)
// Client decode
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
initRsp, err := clientCodec.Decode(clientMsg, serverEncodeData)
assert.Nil(t, err)
assert.Nil(t, initRsp)
assert.Equal(t, uint32(100), clientMsg.StreamID())
assert.NotNil(t, clientMsg.ClientRspErr())
}
// TestStreamCodecData tests stream Data frame codec.
func TestStreamCodecData(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
// init first, ensuring that init frame is saved
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x59, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0, 0xa,
0x47, 0xa, 0x1d, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x72, 0x70, 0x63, 0x2d, 0x67,
0x6f, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x73, 0x65,
0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f,
0x74, 0x72, 0x70, 0x63, 0x2e, 0x74, 0x65, 0x73, 0x74,
0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x47, 0x72,
0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f}
// server Decode
serverCtx := context.Background()
_, serverMsg := codec.WithNewMessage(serverCtx)
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
init, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, init)
assert.Equal(t, uint32(100), serverMsg.StreamID())
assert.NotNil(t, serverMsg.CallerService())
// client Encode
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_DATA),
StreamID: 100,
}
msg.WithFrameHead(frameHead)
msg.WithStreamID(100)
dataResult := []byte{0x9, 0x30, 0x1, 0x2, 0x0, 0x0, 0x0, 0x1b, 0x0, 0x0, 0x0,
0x0, 0x0, 0x64, 0x0, 0x0, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64}
data := []byte("hello world")
dataBuf, err := clientCodec.Encode(msg, data)
assert.Nil(t, err)
assert.Equal(t, dataBuf, dataResult)
// Server Decode
serverCtx = context.Background()
_, serverMsg = codec.WithNewMessage(serverCtx)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
dataDecode, err := serverCodec.Decode(serverMsg, dataResult)
assert.Nil(t, err)
assert.Equal(t, dataDecode, data)
assert.Equal(t, uint32(100), serverMsg.StreamID())
// server Encode
ctx = context.Background()
_, encodeMsg := codec.WithNewMessage(ctx)
encodeMsg.WithLocalAddr(laddr)
encodeMsg.WithRemoteAddr(raddr)
serverFrameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_DATA),
StreamID: 100,
}
encodeMsg.WithFrameHead(serverFrameHead)
encodeMsg.WithStreamID(100)
encodeData := []byte("hi there")
serverEncodeData := []byte{0x9, 0x30, 0x1, 0x2, 0x0, 0x0, 0x0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0,
0x64, 0x0, 0x0, 0x68, 0x69, 0x20, 0x74, 0x68, 0x65, 0x72, 0x65}
rspBuf, err := serverCodec.Encode(encodeMsg, encodeData)
assert.Nil(t, err)
assert.Equal(t, serverEncodeData, rspBuf)
// Client Decode
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
rspData, err := clientCodec.Decode(clientMsg, serverEncodeData)
assert.Nil(t, err)
assert.Equal(t, uint32(100), clientMsg.StreamID())
assert.Equal(t, string(rspData), "hi there")
// server Encode with ServerRspErr
encodeMsg.WithServerRspErr(errs.NewFrameError(1, "test error"))
rspBuf, err = serverCodec.Encode(encodeMsg, encodeData)
serverEncodeData = []byte{0x9, 0x30, 0x1, 0x4, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64,
0x0, 0x0, 0x8, 0x1, 0x10, 0x1, 0x1a, 0xa, 0x74, 0x65, 0x73, 0x74, 0x20, 0x65, 0x72, 0x72, 0x6f, 0x72}
assert.Nil(t, err)
assert.Equal(t, serverEncodeData, rspBuf)
}
// TestStreamCodecClose tests stream Close frame codec.
func TestStreamCodecClose(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
// init first, ensuring that init frame is saved
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x59, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0, 0xa,
0x47, 0xa, 0x1d, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x72, 0x70, 0x63, 0x2d, 0x67,
0x6f, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x73, 0x65,
0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f,
0x74, 0x72, 0x70, 0x63, 0x2e, 0x74, 0x65, 0x73, 0x74,
0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x47, 0x72,
0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f}
// server Decode
serverCtx := context.Background()
_, serverMsg := codec.WithNewMessage(serverCtx)
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
init, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, init)
assert.Equal(t, uint32(100), serverMsg.StreamID())
assert.NotNil(t, serverMsg.CallerService())
// client encode Close
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_CLOSE),
StreamID: 100,
}
msg.WithFrameHead(frameHead)
msg.WithStreamID(100)
close := &trpcpb.TrpcStreamCloseMeta{}
close.CloseType = int32(trpcpb.TrpcStreamCloseType_TRPC_STREAM_CLOSE)
close.Ret = int32(0)
msg.WithStreamFrame(close)
closeResult := []byte{0x9, 0x30, 0x1, 0x4, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0}
closeBuf, err := clientCodec.Encode(msg, nil)
assert.Nil(t, err)
assert.Equal(t, closeResult, closeBuf)
// server Decode Close
serverCtx = context.Background()
_, serverMsg = codec.WithNewMessage(serverCtx)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
closeDecode, err := serverCodec.Decode(serverMsg, closeResult)
assert.Nil(t, err)
assert.Nil(t, closeDecode)
assert.Equal(t, uint32(100), serverMsg.StreamID())
// server encode Close
ctx = context.Background()
_, encodeMsg := codec.WithNewMessage(ctx)
encodeMsg.WithLocalAddr(laddr)
encodeMsg.WithRemoteAddr(raddr)
serverFrameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_CLOSE),
StreamID: 100,
}
close = &trpcpb.TrpcStreamCloseMeta{}
close.CloseType = int32(trpcpb.TrpcStreamCloseType_TRPC_STREAM_CLOSE)
close.Ret = int32(0)
encodeMsg.WithFrameHead(serverFrameHead)
encodeMsg.WithStreamFrame(close)
encodeMsg.WithStreamID(100)
serverEncodeData := []byte{0x9, 0x30, 0x1, 0x4, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0}
rspBuf, err := serverCodec.Encode(encodeMsg, nil)
assert.Equal(t, serverEncodeData, rspBuf)
assert.Nil(t, err)
assert.Equal(t, msg.StreamID(), uint32(100))
// Server decode error after encode close
serverCtx = context.Background()
_, serverMsg = codec.WithNewMessage(serverCtx)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
closeDecode, err = serverCodec.Decode(serverMsg, closeResult)
assert.NotNil(t, err)
assert.Nil(t, closeDecode)
// Client decode close
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
clientMsg.WithLocalAddr(laddr)
clientMsg.WithRemoteAddr(raddr)
CloseRsp, err := clientCodec.Decode(clientMsg, serverEncodeData)
assert.Nil(t, err)
assert.Nil(t, CloseRsp)
assert.Equal(t, uint32(100), clientMsg.StreamID())
assert.Nil(t, clientMsg.ClientRspErr())
}
func TestStreamCodecCloseMetadata(t *testing.T) {
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
require.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
require.Nil(t, err)
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_CLOSE),
StreamID: 100,
}
_, serverMsg := codec.WithNewMessage(context.Background())
serverMsg.WithFrameHead(frameHead)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
serverMsg.WithStreamID(100)
serverMsg.WithServerMetaData(codec.MetaData{"trailer-key": []byte("trailer-value")})
serverMsg.WithStreamFrame(&trpcpb.TrpcStreamCloseMeta{
CloseType: int32(trpcpb.TrpcStreamCloseType_TRPC_STREAM_CLOSE),
Ret: 0,
FuncRet: 0,
MessageType: uint32(trpcpb.TrpcMessageType_TRPC_TRACE_MESSAGE),
})
closeBuf, err := serverCodec.Encode(serverMsg, nil)
require.Nil(t, err)
_, clientMsg := codec.WithNewMessage(context.Background())
clientMsg.WithFrameHead(frameHead)
clientMsg.WithLocalAddr(laddr)
clientMsg.WithRemoteAddr(raddr)
rspHead := &trpcpb.ResponseProtocol{}
clientMsg.WithClientRspHead(rspHead)
rsp, err := clientCodec.Decode(clientMsg, closeBuf)
require.Nil(t, err)
require.Nil(t, rsp)
require.Equal(t, uint32(trpcpb.TrpcMessageType_TRPC_TRACE_MESSAGE), rspHead.MessageType)
require.Equal(t, []byte("trailer-value"), rspHead.TransInfo["trailer-key"])
require.Equal(t, []byte("trailer-value"), clientMsg.ClientMetaData()["trailer-key"])
}
// TestStreamCodecReset tests stream Reset/Close frame codec.
func TestStreamCodecReset(t *testing.T) {
// initMeta will be deleted from cache after TestStreamCodecClose.
// TestStreamCodecInit should be called again to recreate initMeta.
TestStreamCodecInit(t)
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
// Client encode Reset
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_CLOSE),
StreamID: 100,
}
msg.WithFrameHead(frameHead)
msg.WithStreamID(100)
reset := &trpcpb.TrpcStreamCloseMeta{}
reset.CloseType = int32(trpcpb.TrpcStreamCloseType_TRPC_STREAM_RESET)
reset.Ret = int32(1)
reset.Msg = []byte("reset after error")
msg.WithStreamFrame(reset)
resetResult := []byte{0x9, 0x30, 0x1, 0x4, 0x0, 0x0, 0x0, 0x27, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0,
0x8, 0x1, 0x10, 0x1, 0x1a, 0x11, 0x72, 0x65, 0x73, 0x65, 0x74, 0x20, 0x61, 0x66, 0x74, 0x65, 0x72, 0x20,
0x65, 0x72, 0x72, 0x6f, 0x72}
resetBuf, err := clientCodec.Encode(msg, nil)
assert.Nil(t, err)
assert.Equal(t, resetResult, resetBuf)
// Server decode Reset
serverCtx := context.Background()
_, serverMsg := codec.WithNewMessage(serverCtx)
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
resetDecode, err := serverCodec.Decode(serverMsg, resetResult)
assert.Nil(t, err)
assert.Nil(t, resetDecode)
assert.Equal(t, uint32(100), serverMsg.StreamID())
assert.Nil(t, err)
assert.NotNil(t, serverMsg.ServerRspErr())
// server encode Close
ctx = context.Background()
_, encodeMsg := codec.WithNewMessage(ctx)
encodeMsg.WithLocalAddr(laddr)
encodeMsg.WithRemoteAddr(raddr)
serverFrameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_CLOSE),
StreamID: 100,
}
reset = &trpcpb.TrpcStreamCloseMeta{}
reset.CloseType = int32(trpcpb.TrpcStreamCloseType_TRPC_STREAM_RESET)
reset.Ret = int32(1)
reset.Msg = []byte("Server Side Close error")
encodeMsg.WithFrameHead(serverFrameHead)
encodeMsg.WithStreamFrame(reset)
encodeMsg.WithStreamID(100)
serverEncodeData := []byte{0x9, 0x30, 0x1, 0x4, 0x0, 0x0, 0x0, 0x2d, 0x0, 0x0, 0x0, 0x0, 0x0,
0x64, 0x0, 0x0, 0x8, 0x1, 0x10, 0x1, 0x1a, 0x17, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x53, 0x69, 0x64,
0x65, 0x20, 0x43, 0x6c, 0x6f, 0x73, 0x65, 0x20, 0x65, 0x72, 0x72, 0x6f, 0x72}
rspBuf, err := serverCodec.Encode(encodeMsg, nil)
assert.Equal(t, serverEncodeData, rspBuf)
assert.Nil(t, err)
// client Decode reset
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
encodeMsg.WithLocalAddr(laddr)
encodeMsg.WithRemoteAddr(raddr)
resetRsp, err := clientCodec.Decode(clientMsg, serverEncodeData)
assert.Nil(t, err)
assert.Nil(t, resetRsp)
assert.Equal(t, uint32(100), clientMsg.StreamID())
assert.NotNil(t, clientMsg.ClientRspErr())
}
// TestStreamCodecCloseFuncRet tests that a Close frame with only func_ret != 0
// (ret == 0, CloseType == CLOSE) is propagated as a business error to the client.
// This covers the case where the server reports a business-level error via func_ret
// without setting the framework-level ret field.
func TestStreamCodecCloseFuncRet(t *testing.T) {
TestStreamCodecInit(t)
clientCodec := codec.GetClient("trpc")
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
require.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
require.Nil(t, err)
// Close frame: CloseType=CLOSE(0), Ret=0, FuncRet=10001, Msg="business error"
// stream_id=100
closeWithFuncRet := []byte{
0x09, 0x30, 0x01, 0x04, 0x00, 0x00, 0x00, 0x23,
0x00, 0x00, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00,
0x1a, 0x0e, 0x62, 0x75, 0x73, 0x69, 0x6e, 0x65,
0x73, 0x73, 0x20, 0x65, 0x72, 0x72, 0x6f, 0x72,
0x30, 0x91, 0x4e,
}
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
clientMsg.WithLocalAddr(laddr)
clientMsg.WithRemoteAddr(raddr)
rspBuf, err := clientCodec.Decode(clientMsg, closeWithFuncRet)
assert.Nil(t, err)
assert.Nil(t, rspBuf)
assert.Equal(t, uint32(100), clientMsg.StreamID())
// func_ret != 0 should be propagated as a business error (not a framework error)
rspErr := clientMsg.ClientRspErr()
assert.NotNil(t, rspErr)
assert.EqualValues(t, 10001, errs.Code(rspErr))
var e *errs.Error
require.ErrorAs(t, rspErr, &e)
assert.Equal(t, errs.ErrorTypeBusiness, e.Type)
assert.Contains(t, rspErr.Error(), "business error")
}
// TestUnknownFrameType tests stream frame with unknown type.
func TestUnknownFrameType(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
clientCodec := codec.GetClient("trpc")
serverCodec := codec.GetServer("trpc")
serverEncodeData := []byte{0x9, 0x30, 0x1, 0x7, 0x0, 0x0, 0x0, 0x2d, 0x0, 0x0, 0x0, 0x0,
0x0, 0x64, 0x0, 0x0, 0x12, 0x1b, 0x8, 0x2,
0x12, 0x17, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x74, 0x65, 0x73, 0x74, 0x20, 0x65, 0x6e, 0x63,
0x6f, 0x64, 0x65, 0x20, 0x66, 0x61, 0x69, 0x6c}
// Client decode
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
initRsp, err := clientCodec.Decode(clientMsg, serverEncodeData)
assert.NotNil(t, err)
assert.Nil(t, initRsp)
// client Encode unknown frame type
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(8),
StreamID: 100,
}
msg.WithFrameHead(frameHead)
msg.WithStreamID(100)
data := []byte("hello world")
dataBuf, err := clientCodec.Encode(msg, data)
// Unknown stream frame type
assert.NotNil(t, err)
assert.Nil(t, dataBuf)
// server Decode unknown Frame Type
dataResult := []byte{0x9, 0x30, 0x1, 0x8, 0x0, 0x0, 0x0, 0x1b, 0x0, 0x0, 0x0,
0x0, 0x0, 0x64, 0x0, 0x0, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64}
serverCtx := context.Background()
_, serverMsg := codec.WithNewMessage(serverCtx)
dataDecode, err := serverCodec.Decode(serverMsg, dataResult)
assert.NotNil(t, err)
assert.Nil(t, dataDecode)
// server Encode unknown frame type
ctx = context.Background()
_, encodeMsg := codec.WithNewMessage(ctx)
serverFrameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(8),
StreamID: 100,
}
encodeMsg.WithFrameHead(serverFrameHead)
encodeMsg.WithStreamID(100)
encodeData := []byte("hi there")
rspBuf, err := serverCodec.Encode(encodeMsg, encodeData)
assert.NotNil(t, err)
assert.Nil(t, rspBuf)
}
// TestFeedbackFrameType tests feedback frame type.
func TestFeedbackFrameType(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
clientCodec := codec.GetClient("trpc")
serverCodec := codec.GetServer("trpc")
// init first, ensuring that init frame is saved
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x59, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0, 0xa,
0x47, 0xa, 0x1d, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x72, 0x70, 0x63, 0x2d, 0x67,
0x6f, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x73, 0x65,
0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f,
0x74, 0x72, 0x70, 0x63, 0x2e, 0x74, 0x65, 0x73, 0x74,
0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x47, 0x72,
0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f}
// server Decode
serverCtx := context.Background()
_, serverMsg := codec.WithNewMessage(serverCtx)
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
init, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, init)
assert.Equal(t, uint32(100), serverMsg.StreamID())
assert.NotNil(t, serverMsg.CallerService())
encodeData := []byte{0x9, 0x30, 0x1, 0x3, 0x0, 0x0, 0x0, 0x13, 0x0, 0x0,
0x0, 0x0, 0x0, 0x64, 0x0, 0x0, 0x8, 0x90, 0x4e}
// Client decode feedback
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
res, err := clientCodec.Decode(clientMsg, encodeData)
assert.Nil(t, err)
assert.Nil(t, res)
feedback, ok := clientMsg.StreamFrame().(*trpcpb.TrpcStreamFeedBackMeta)
assert.True(t, ok)
assert.Equal(t, uint32(10000), feedback.WindowSizeIncrement)
// client Encode feedback type
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_FEEDBACK),
StreamID: 100,
}
msg.WithFrameHead(frameHead)
msg.WithStreamID(100)
var data []byte
feedbackMeta := &trpcpb.TrpcStreamFeedBackMeta{}
msg.WithStreamFrame(feedbackMeta)
feedbackMeta.WindowSizeIncrement = 10000
dataBuf, err := clientCodec.Encode(msg, data)
assert.Nil(t, err)
assert.Equal(t, encodeData, dataBuf)
// server Decode feedback frame
serverCtx = context.Background()
_, serverMsg = codec.WithNewMessage(serverCtx)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
dataDecode, err := serverCodec.Decode(serverMsg, encodeData)
assert.Nil(t, dataDecode)
assert.Nil(t, err)
feedback, ok = clientMsg.StreamFrame().(*trpcpb.TrpcStreamFeedBackMeta)
assert.True(t, ok)
assert.Equal(t, uint32(10000), feedback.WindowSizeIncrement)
// server Encode feedbackframe
ctx = context.Background()
_, encodeMsg := codec.WithNewMessage(ctx)
serverFrameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_FEEDBACK),
StreamID: 100,
}
encodeMsg.WithFrameHead(serverFrameHead)
encodeMsg.WithStreamID(100)
feedbackMeta = &trpcpb.TrpcStreamFeedBackMeta{}
encodeMsg.WithStreamFrame(feedbackMeta)
feedbackMeta.WindowSizeIncrement = 10000
rspBuf, err := serverCodec.Encode(encodeMsg, nil)
assert.Nil(t, err)
assert.Equal(t, rspBuf, encodeData)
}
// TestDecodeEncodeFail tests codec error.
func TestDecodeEncodeFail(t *testing.T) {
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
clientCodec := codec.GetClient("trpc")
serverCodec := codec.GetServer("trpc")
// init first, ensuring that init frame is saved
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x59, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0, 0xa,
0x47, 0xa, 0x1d, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x72, 0x70, 0x63, 0x2d, 0x67,
0x6f, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x73, 0x65,
0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f,
0x74, 0x72, 0x70, 0x63, 0x2e, 0x74, 0x65, 0x73, 0x74,
0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x47, 0x72,
0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f}
// server Decode
serverCtx := context.Background()
_, serverMsg := codec.WithNewMessage(serverCtx)
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
init, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, init)
assert.Equal(t, uint32(100), serverMsg.StreamID())
assert.NotNil(t, serverMsg.CallerService())
encodeData := []byte{0x9, 0x30, 0x1, 0x3, 0x0, 0x0, 0x0, 0x01, 0x0, 0x10,
0x0, 0x0, 0x0, 0x64, 0x0, 0x0, 0x8, 0x90, 0x4e}
// client decode total length error
clientCtx := context.Background()
_, clientMsg := codec.WithNewMessage(clientCtx)
rsp, err := clientCodec.Decode(clientMsg, encodeData)
assert.Nil(t, rsp)
assert.NotNil(t, err)
// client init unmarshal error
serverInitData := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x2d, 0x0, 0x0, 0x0, 0x0, 0x1, 0x64,
0x0, 0x0, 0x12, 0x1b, 0x90, 0x2, 0x12, 0x17, 0x73, 0x65, 0x54, 0x76, 0x65, 0x72, 0x20, 0x74, 0x65,
0x73, 0x74, 0x20, 0x61, 0x6e, 0x62,
0x6f, 0x64, 0x65, 0x20, 0x66, 0x61, 0x69, 0x6c}
initRsp, err := clientCodec.Decode(clientMsg, serverInitData)
assert.Nil(t, initRsp)
assert.NotNil(t, err)
t.Run("ClientStreamCodec unknown stream frame type error from message", func(t *testing.T) {
cc := trpc.NewClientStreamCodec()
_, err := cc.Encode(trpc.Message(context.Background()), nil)
require.Contains(t, err.Error(), "unknown stream frame type")
_, err = cc.Decode(trpc.Message(context.Background()), nil)
require.Contains(t, err.Error(), "unknown stream frame type")
})
t.Run("ServerStreamCodec unknown stream frame type error from message", func(t *testing.T) {
cc := trpc.NewServerStreamCodec()
_, err := cc.Encode(trpc.Message(context.Background()), nil)
require.Contains(t, err.Error(), "unknown stream frame type")
_, err = cc.Decode(trpc.Message(context.Background()), nil)
require.Contains(t, err.Error(), "unknown stream frame type")
})
}
// TestEncodeWithMetadata tests encode with metadata.
func TestEncodeWithMetadata(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
// Client encode
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_INIT),
StreamID: 100,
}
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x61, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0,
0xa, 0x4f, 0xa, 0x17, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73, 0x65, 0x72, 0x76,
0x65, 0x72, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f, 0x74, 0x72, 0x70, 0x63,
0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e,
0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2a,
0xc, 0xa, 0x3, 0x6b, 0x65, 0x79, 0x12, 0x5, 0x76, 0x61, 0x6c, 0x75, 0x65}
msg.WithFrameHead(frameHead)
msg.WithClientMetaData(codec.MetaData{"key": []byte("value")})
msg.WithStreamID(100)
msg.WithCallerServiceName("trpc.app.server.service")
msg.WithClientRPCName("/trpc.test.helloworld.Greeter/SayHello")
initBuf, err := clientCodec.Encode(msg, nil)
assert.Nil(t, err)
assert.Equal(t, initResult, initBuf)
// Server Decode
serverCtx, serverMsg := codec.WithNewMessage(context.Background())
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
initRsp, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, initRsp)
assert.Equal(t, trpc.GetMetaData(serverCtx, "key"), []byte("value"))
}
// TestEncodeWithDyeing tests encode with dyeing key.
func TestEncodeWithDyeing(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
// Client encode
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_INIT),
StreamID: 100,
}
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0,
0xa, 0x62, 0xa, 0x17, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73, 0x65, 0x72, 0x76,
0x65, 0x72, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f, 0x74, 0x72, 0x70, 0x63,
0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e,
0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20,
0x1, 0x2a, 0x1d, 0xa, 0xf, 0x74, 0x72, 0x70, 0x63, 0x2d, 0x64, 0x79, 0x65, 0x69, 0x6e, 0x67, 0x2d, 0x6b,
0x65, 0x79, 0x12, 0xa, 0x64, 0x79, 0x65, 0x69, 0x6e, 0x67, 0x2d, 0x6b, 0x65, 0x79}
msg.WithFrameHead(frameHead)
msg.WithDyeing(true)
msg.WithDyeingKey("dyeing-key")
msg.WithStreamID(100)
msg.WithCallerServiceName("trpc.app.server.service")
msg.WithClientRPCName("/trpc.test.helloworld.Greeter/SayHello")
initBuf, err := clientCodec.Encode(msg, nil)
assert.Nil(t, err)
assert.Equal(t, initResult, initBuf)
// Server Decode
serverCtx, serverMsg := codec.WithNewMessage(context.Background())
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
initRsp, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, initRsp)
assert.Equal(t, trpc.GetMetaData(serverCtx, trpc.DyeingKey), []byte("dyeing-key"))
}
// TestEncodeWithEnvTransfer tests encode with envtransfor.
func TestEncodeWithEnvTransfer(t *testing.T) {
msg := trpc.Message(ctx)
assert.NotNil(t, msg)
ctx := trpc.BackgroundContext()
assert.NotNil(t, ctx)
serverCodec := codec.GetServer("trpc")
clientCodec := codec.GetClient("trpc")
// Client encode
frameHead := &trpc.FrameHead{
FrameType: uint8(trpcpb.TrpcDataFrameType_TRPC_STREAM_FRAME),
StreamFrameType: uint8(trpcpb.TrpcStreamFrameType_TRPC_STREAM_FRAME_INIT),
StreamID: 100,
}
initResult := []byte{0x9, 0x30, 0x1, 0x1, 0x0, 0x0, 0x0, 0x6a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x64, 0x0, 0x0,
0xa, 0x58, 0xa, 0x17, 0x74, 0x72, 0x70, 0x63, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73, 0x65, 0x72, 0x76,
0x65, 0x72, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x1a, 0x26, 0x2f, 0x74, 0x72, 0x70, 0x63,
0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e,
0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x2f, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2a,
0x15, 0xa, 0x8, 0x74, 0x72, 0x70, 0x63, 0x2d, 0x65, 0x6e, 0x76, 0x12, 0x9, 0x65, 0x6e, 0x76, 0x2d,
0x74, 0x72, 0x61, 0x6e, 0x73}
msg.WithFrameHead(frameHead)
msg.WithEnvTransfer("env-trans")
msg.WithStreamID(100)
msg.WithCallerServiceName("trpc.app.server.service")
msg.WithClientRPCName("/trpc.test.helloworld.Greeter/SayHello")
initBuf, err := clientCodec.Encode(msg, nil)
assert.Nil(t, err)
assert.Equal(t, initResult, initBuf)
// Server Decode
serverCtx, serverMsg := codec.WithNewMessage(context.Background())
laddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10000")
assert.Nil(t, err)
raddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:10001")
assert.Nil(t, err)
serverMsg.WithLocalAddr(laddr)
serverMsg.WithRemoteAddr(raddr)
initRsp, err := serverCodec.Decode(serverMsg, initResult)
assert.Nil(t, err)
assert.Nil(t, initRsp)
assert.Equal(t, trpc.GetMetaData(serverCtx, trpc.EnvTransfer), []byte("env-trans"))
}