boulder/grpc/errors_test.go

53 lines
1.4 KiB
Go

package grpc
import (
"fmt"
"net"
"testing"
"time"
"golang.org/x/net/context"
"google.golang.org/grpc"
"github.com/grpc-ecosystem/go-grpc-prometheus"
berrors "github.com/letsencrypt/boulder/errors"
testproto "github.com/letsencrypt/boulder/grpc/test_proto"
"github.com/letsencrypt/boulder/test"
)
type errorServer struct {
err error
}
func (s *errorServer) Chill(_ context.Context, _ *testproto.Time) (*testproto.Time, error) {
return nil, s.err
}
func TestErrorWrapping(t *testing.T) {
si := serverInterceptor{grpc_prometheus.NewServerMetrics()}
ci := clientInterceptor{time.Second, grpc_prometheus.NewClientMetrics()}
srv := grpc.NewServer(grpc.UnaryInterceptor(si.intercept))
es := &errorServer{}
testproto.RegisterChillerServer(srv, es)
lis, err := net.Listen("tcp", "127.0.0.1:")
test.AssertNotError(t, err, "Failed to create listener")
go func() { _ = srv.Serve(lis) }()
defer srv.Stop()
conn, err := grpc.Dial(
lis.Addr().String(),
grpc.WithInsecure(),
grpc.WithUnaryInterceptor(ci.intercept),
)
test.AssertNotError(t, err, "Failed to dial grpc test server")
client := testproto.NewChillerClient(conn)
es.err = berrors.MalformedError("yup")
_, err = client.Chill(context.Background(), &testproto.Time{})
test.Assert(t, err != nil, fmt.Sprintf("nil error returned, expected: %s", err))
test.AssertDeepEquals(t, err, es.err)
test.AssertEquals(t, wrapError(nil, nil), nil)
test.AssertEquals(t, unwrapError(nil, nil), nil)
}