sftp tests are slow

[Martin Pool]

On 10 Jan 2006, Robey Pointer <robey at lag.net> wrote:
> >>Yes, this is slow. We chatted on IRC about this - its about 10 times
> >>slower than starting openssh... I find it hard to believe that  
> >>this is
> >>intrinsic to python - I have to regard it as a bug in the stub  
> >>server.
> 
> 10 times is hard to believe -- what did you use to test that?

As I understand it, SFTP is fairly well layered above SSH: you can run
it equally well over a plain tcp socket. 

Why can't we run the SFTP tests over an in-process representation of a
plain socket?  Doing negotiation, encryption, etc is not going to prove
anything much useful about whether we're using SFTP in the right way.

I guess some areas, such as authentication, do need to be tested on real
ssh but the majority probably does not.
-- 
Martin
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