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pass micro errors from grpc server to grpc client (#1167)

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* pass micro errors from grpc server to grpc client

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* wrap micro errors.Error to grpc status

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов
2020-02-06 13:18:33 +03:00
committed by GitHub
parent d8110b70a3
commit 7105e4099c
7 changed files with 227 additions and 29 deletions
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23
server/grpc/grpc_test.go
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@@ -4,9 +4,11 @@ import (
"context"
"testing"
"github.com/micro/go-micro/v2/errors"
"github.com/micro/go-micro/v2/registry/memory"
"github.com/micro/go-micro/v2/server"
"google.golang.org/grpc"
"google.golang.org/grpc/status"
pb "github.com/micro/go-micro/v2/server/grpc/proto"
)
@@ -16,6 +18,10 @@ type testServer struct{}
// TestHello implements helloworld.GreeterServer
func (s *testServer) Call(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
if req.Name == "Error" {
return &errors.Error{Id: "1", Code: 99, Detail: "detail"}
}
rsp.Msg = "Hello " + req.Name
return nil
}
@@ -63,4 +69,21 @@ func TestGRPCServer(t *testing.T) {
t.Fatalf("Got unexpected response %v", rsp.Msg)
}
}
// Test grpc error
rsp := pb.Response{}
if err := cc.Invoke(context.Background(), "/test.Test/Call", &pb.Request{Name: "Error"}, &rsp); err != nil {
st, ok := status.FromError(err)
if !ok {
t.Fatalf("invalid error received %#+v\n", err)
}
verr, ok := st.Details()[0].(*errors.Error)
if !ok {
t.Fatalf("invalid error received %#+v\n", st.Details()[0])
}
if verr.Code != 99 && verr.Id != "1" && verr.Detail != "detail" {
t.Fatalf("invalid error received %#+v\n", verr)
}
}
}