github.com/gogo/protobuf@v1.3.2/test/jsonpb-gogo/jsonpb_gogo_test.go (about)

     1  package jsonpb_gogo
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/gogo/protobuf/jsonpb"
     7  )
     8  
     9  // customFieldMessage implements protobuf.Message but is not a normal generated message type.
    10  type customFieldMessage struct {
    11  	someField string //this is not a proto field
    12  }
    13  
    14  func (m *customFieldMessage) Reset() {
    15  	m.someField = "hello"
    16  }
    17  
    18  func (m *customFieldMessage) String() string {
    19  	return m.someField
    20  }
    21  
    22  func (m *customFieldMessage) ProtoMessage() {
    23  }
    24  
    25  func TestUnmarshalWithJSONPBUnmarshaler(t *testing.T) {
    26  	rawJson := `{}`
    27  	marshaler := &jsonpb.Marshaler{}
    28  	msg := &customFieldMessage{someField: "Ignore me"}
    29  	str, err := marshaler.MarshalToString(msg)
    30  	if err != nil {
    31  		t.Errorf("an unexpected error occurred when marshaling message: %v", err)
    32  	}
    33  	if str != rawJson {
    34  		t.Errorf("marshaled JSON was incorrect: got %s, wanted %s", str, rawJson)
    35  	}
    36  }