go_study/fabric-main/common/grpclogging/fields_test.go

124 lines
3.6 KiB
Go

/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package grpclogging_test
import (
"encoding/json"
"github.com/golang/protobuf/jsonpb"
"github.com/hyperledger/fabric/common/grpclogging"
"github.com/hyperledger/fabric/common/grpclogging/testpb"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/pkg/errors"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var _ = Describe("Fields", func() {
Describe("ProtoMessage", func() {
var message *testpb.Message
BeforeEach(func() {
message = &testpb.Message{
Message: "Je suis une pizza avec du fromage.",
Sequence: 1337,
}
})
It("creates a reflect field for zap", func() {
field := grpclogging.ProtoMessage("field-key", message)
Expect(field.Key).To(Equal("field-key"))
_, ok := field.Interface.(json.Marshaler)
Expect(ok).To(BeTrue())
})
It("marshals messages compatible with jsonpb", func() {
field := grpclogging.ProtoMessage("field-key", message)
marshaler := field.Interface.(json.Marshaler)
marshaled, err := marshaler.MarshalJSON()
Expect(err).NotTo(HaveOccurred())
protoMarshaler := &jsonpb.Marshaler{}
protoJson, err := protoMarshaler.MarshalToString(message)
Expect(err).NotTo(HaveOccurred())
Expect(marshaled).To(MatchJSON(protoJson))
})
It("works with zap's json encoder", func() {
encoder := zapcore.NewJSONEncoder(zapcore.EncoderConfig{
MessageKey: "message",
})
buf, err := encoder.EncodeEntry(
zapcore.Entry{Message: "Oh là là"},
[]zapcore.Field{grpclogging.ProtoMessage("proto-message", message)},
)
Expect(err).NotTo(HaveOccurred())
Expect(buf.String()).To(MatchJSON(`{"message": "Oh là là", "proto-message": {"message": "Je suis une pizza avec du fromage.", "sequence": 1337}}`))
})
Context("when marshaling the message fails", func() {
It("it returns the error from marshaling", func() {
field := grpclogging.ProtoMessage("field-key", badProto{err: errors.New("Boom!")})
marshaler := field.Interface.(json.Marshaler)
_, err := marshaler.MarshalJSON()
Expect(err).To(MatchError("Boom!"))
})
})
Context("when something other than a proto.Message is provided", func() {
It("creates an any field", func() {
field := grpclogging.ProtoMessage("field-key", "Je ne suis pas une pizza.")
Expect(field).To(Equal(zap.Any("field-key", "Je ne suis pas une pizza.")))
})
})
})
Describe("Error", func() {
It("creates an error field for zap", func() {
err := errors.New("error")
field := grpclogging.Error(err)
Expect(field.Key).To(Equal("error"))
Expect(field.Type).To(Equal(zapcore.ErrorType))
// assert that field Interface is of type error
_, ok := field.Interface.(error)
Expect(ok).To(BeTrue())
})
Context("when the error is nil", func() {
It("creates a skip field", func() {
field := grpclogging.Error(nil)
Expect(field.Type).To(Equal(zapcore.SkipType))
})
})
It("omits the verboseError field", func() {
encoder := zapcore.NewJSONEncoder(zapcore.EncoderConfig{
MessageKey: "message",
})
buf, err := encoder.EncodeEntry(
zapcore.Entry{Message: "the message"},
[]zapcore.Field{grpclogging.Error(errors.New("the error"))},
)
Expect(err).NotTo(HaveOccurred())
Expect(buf.String()).To(MatchJSON(`{"message": "the message", "error": "the error"}`))
})
})
})
type badProto struct{ err error }
func (b badProto) Reset() {}
func (b badProto) String() string { return "" }
func (b badProto) ProtoMessage() {}
func (b badProto) MarshalJSONPB(*jsonpb.Marshaler) ([]byte, error) {
return nil, b.err
}