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package grpcserver | ||
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import ( | ||
"context" | ||
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"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) | ||
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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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package grpcserver | ||
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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 |
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package grpcserver | ||
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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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