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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package grpcserver | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/pkg/errors" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/codes" | ||
| ) | ||
|
|
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| // ErrorToCode determines the gRPC error code for an error, accounting for | ||
| // context errors and errors wrapped with pkg/errors. | ||
| // | ||
| // ErrorToCode implements grpc_logging.ErrorToCode. | ||
| func ErrorToCode(err error) codes.Code { | ||
| err = errors.Cause(err) | ||
|
|
||
| switch err { | ||
| case context.Canceled: | ||
| return codes.Canceled | ||
| case context.DeadlineExceeded: | ||
| return codes.DeadlineExceeded | ||
| default: | ||
| //TODO: SA1019: grpc.Code is deprecated: use status.Code instead. (staticcheck) | ||
| return grpc.Code(err) //nolint:staticcheck | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| package grpcserver | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
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| "github.com/pkg/errors" | ||
|
|
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| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| ) | ||
|
|
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| func TestErrorToCode_Unknown(t *testing.T) { | ||
| code := ErrorToCode(errors.New("other")) | ||
| if code != codes.Unknown { | ||
| t.Fatalf("code = %v, want %v", code, codes.Unknown) | ||
| } | ||
| } | ||
|
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| func TestErrorToCode_GRPC(t *testing.T) { | ||
| err := status.Errorf(codes.NotFound, "not found") | ||
| code := ErrorToCode(err) | ||
| if code != codes.NotFound { | ||
| t.Fatalf("code = %v, want %v", code, codes.NotFound) | ||
| } | ||
| } | ||
|
|
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| func TestErrorToCode_Wrapped(t *testing.T) { | ||
| err := status.Errorf(codes.NotFound, "not found") | ||
| code := ErrorToCode(errors.WithStack(err)) | ||
| if code != codes.NotFound { | ||
| t.Fatalf("code = %v, want %v", code, codes.NotFound) | ||
| } | ||
| } | ||
|
|
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| func TestErrorToCode_Canceled(t *testing.T) { | ||
| code := ErrorToCode(context.Canceled) | ||
| if code != codes.Canceled { | ||
| t.Fatalf("code = %v, want %v", code, codes.Canceled) | ||
| } | ||
| } | ||
|
|
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| func TestErrorToCode_DeadlineExceeded(t *testing.T) { | ||
| code := ErrorToCode(context.DeadlineExceeded) | ||
| if code != codes.DeadlineExceeded { | ||
| t.Fatalf("code = %v, want %v", code, codes.DeadlineExceeded) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package grpcserver | ||
|
|
||
| import ( | ||
| "net" | ||
| "time" | ||
|
|
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| "github.com/hydrogen18/memlistener" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials/insecure" | ||
| ) | ||
|
|
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| // Local returns an in-process server for the provided gRPC server. | ||
| func Local(s *grpc.Server) *LocalServer { | ||
| return &LocalServer{ | ||
| ln: memlistener.NewMemoryListener(), | ||
| srv: s, | ||
| } | ||
| } | ||
|
|
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| // An LocalServer serves a gRPC server from memory. | ||
| type LocalServer struct { | ||
| ln *memlistener.MemoryListener | ||
| srv *grpc.Server | ||
| } | ||
|
|
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| // Run starts the in-process server. | ||
| // | ||
| // It implements oklog group's runFn. | ||
| func (s *LocalServer) Run() error { | ||
| return s.srv.Serve(s.ln) | ||
| } | ||
|
|
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| // Stop gracefully stops the gRPC server. | ||
| // | ||
| // It implements oklog group's interruptFn. | ||
| func (s *LocalServer) Stop(err error) { | ||
| s.srv.GracefulStop() | ||
| } | ||
|
|
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| // Conn returns a client connection to the in-process server. | ||
| func (s *LocalServer) Conn(opts ...grpc.DialOption) *grpc.ClientConn { | ||
| defaultOptions := []grpc.DialOption{ | ||
| // TODO: SA1019: grpc.WithDialer is deprecated: use WithContextDialer instead (staticcheck) | ||
| grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) { //nolint:staticcheck | ||
| return s.ln.Dial("mem", "") | ||
| }), | ||
| grpc.WithTransportCredentials(insecure.NewCredentials()), | ||
| } | ||
|
|
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| conn, _ := grpc.Dial("", append(defaultOptions, opts...)...) | ||
| return conn | ||
| } |
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