Method Echo

grpc/server_test.go:19–34

(ctx context.Context, req *EchoRequest)

}

func (srv *EchoServer) Echo(ctx context.Context, req *EchoRequest) (*EchoReply, error) {
	msg := req.Text
	switch {
	case msg == "noecho":
		return nil, ErrCantEcho
	case len(msg) > 10:
		return nil, errors.WithMessage(ErrTooLong, msg+" is too long")
	case msg == "reverse":
		return nil, status.Error(codes.Unimplemented, "reverse is not implemented")
	case msg == "internal":
		return nil, status.WrapErr(codes.Internal, "there was a problem", ErrInternal)
	}
	return &EchoReply{
		Reply: "echoing: " + msg,
	}, nil
}