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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package conformance_test
import (
"encoding/binary"
"flag"
"io"
"log"
"os"
"os/exec"
"path/filepath"
"testing"
"google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/encoding/prototext"
"google.golang.org/protobuf/proto"
pb "google.golang.org/protobuf/internal/testprotos/conformance"
)
func init() {
// When the environment variable RUN_AS_CONFORMANCE_PLUGIN is set,
// we skip running the tests and instead act as a conformance plugin.
// This allows the binary to pass itself to conformance.
if os.Getenv("RUN_AS_CONFORMANCE_PLUGIN") == "1" {
main()
os.Exit(0)
}
}
var (
execute = flag.Bool("execute", false, "execute the conformance test")
protoRoot = flag.String("protoroot", os.Getenv("PROTOBUF_ROOT"), "The root of the protobuf source tree.")
)
func Test(t *testing.T) {
if !*execute {
t.SkipNow()
}
binPath := filepath.Join(*protoRoot, "bazel-bin", "conformance", "conformance_test_runner")
cmd := exec.Command(binPath,
"--failure_list", "failing_tests.txt",
"--text_format_failure_list", "failing_tests_text_format.txt",
"--enforce_recommended",
os.Args[0])
cmd.Env = append(os.Environ(), "RUN_AS_CONFORMANCE_PLUGIN=1")
out, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("execution error: %v\n\n%s", err, out)
}
}
func main() {
var sizeBuf [4]byte
inbuf := make([]byte, 0, 4096)
for {
_, err := io.ReadFull(os.Stdin, sizeBuf[:])
if err == io.EOF {
break
}
if err != nil {
log.Fatalf("conformance: read request: %v", err)
}
size := binary.LittleEndian.Uint32(sizeBuf[:])
if int(size) > cap(inbuf) {
inbuf = make([]byte, size)
}
inbuf = inbuf[:size]
if _, err := io.ReadFull(os.Stdin, inbuf); err != nil {
log.Fatalf("conformance: read request: %v", err)
}
req := &pb.ConformanceRequest{}
if err := proto.Unmarshal(inbuf, req); err != nil {
log.Fatalf("conformance: parse request: %v", err)
}
res := handle(req)
out, err := proto.Marshal(res)
if err != nil {
log.Fatalf("conformance: marshal response: %v", err)
}
binary.LittleEndian.PutUint32(sizeBuf[:], uint32(len(out)))
if _, err := os.Stdout.Write(sizeBuf[:]); err != nil {
log.Fatalf("conformance: write response: %v", err)
}
if _, err := os.Stdout.Write(out); err != nil {
log.Fatalf("conformance: write response: %v", err)
}
}
}
func handle(req *pb.ConformanceRequest) (res *pb.ConformanceResponse) {
var msg proto.Message = &pb.TestAllTypesProto2{}
if req.GetMessageType() == "protobuf_test_messages.proto3.TestAllTypesProto3" {
msg = &pb.TestAllTypesProto3{}
}
// Unmarshal the test message.
var err error
switch p := req.Payload.(type) {
case *pb.ConformanceRequest_ProtobufPayload:
err = proto.Unmarshal(p.ProtobufPayload, msg)
case *pb.ConformanceRequest_JsonPayload:
err = protojson.UnmarshalOptions{
DiscardUnknown: req.TestCategory == pb.TestCategory_JSON_IGNORE_UNKNOWN_PARSING_TEST,
}.Unmarshal([]byte(p.JsonPayload), msg)
case *pb.ConformanceRequest_TextPayload:
err = prototext.Unmarshal([]byte(p.TextPayload), msg)
default:
return &pb.ConformanceResponse{
Result: &pb.ConformanceResponse_RuntimeError{
RuntimeError: "unknown request payload type",
},
}
}
if err != nil {
return &pb.ConformanceResponse{
Result: &pb.ConformanceResponse_ParseError{
ParseError: err.Error(),
},
}
}
// Marshal the test message.
var b []byte
switch req.RequestedOutputFormat {
case pb.WireFormat_PROTOBUF:
b, err = proto.Marshal(msg)
res = &pb.ConformanceResponse{
Result: &pb.ConformanceResponse_ProtobufPayload{
ProtobufPayload: b,
},
}
case pb.WireFormat_JSON:
b, err = protojson.Marshal(msg)
res = &pb.ConformanceResponse{
Result: &pb.ConformanceResponse_JsonPayload{
JsonPayload: string(b),
},
}
case pb.WireFormat_TEXT_FORMAT:
b, err = prototext.MarshalOptions{
EmitUnknown: req.PrintUnknownFields,
}.Marshal(msg)
res = &pb.ConformanceResponse{
Result: &pb.ConformanceResponse_TextPayload{
TextPayload: string(b),
},
}
default:
return &pb.ConformanceResponse{
Result: &pb.ConformanceResponse_RuntimeError{
RuntimeError: "unknown output format",
},
}
}
if err != nil {
return &pb.ConformanceResponse{
Result: &pb.ConformanceResponse_SerializeError{
SerializeError: err.Error(),
},
}
}
return res
}
|
