[OpenID] Backwards Compatibility

[Martin Atkins]

Does this seem like the sort of thing a working group could do? The 
deliverable is not a specification in the normal sense but instead a 
bunch of test cases and presumably something resembling a spec for 
providing an external test harness.

The openid-test project started on both of these things:
http://code.google.com/p/openid-test/wiki/TestCases
http://code.google.com/p/openid-test/wiki/TestSpec

Though the former is definitely far from complete. I'm not sure how 
complete the latter is.

I'm not sure whether this is something the OpenID 2.1 working group 
should do, or something specialized "OpenID Authentication Test Suite" 
working group should do, but I do think it should be done before OpenID 
2.1 to provide a baseline for what "OpenID 2.0 compatibility" looks like.



Allen Tom wrote:
> +100  - we'd be very happy to see an OpenID test suite!
> 
> Allen
> 
> Martin Atkins wrote:
>>
>> To complete this thought, I think a pre-requisite for work on 2.1 is a 
>> comprehensive test suite for 2.0 and a harness to run the tests 
>> against popular implementations.
>>
>> This will allow changes made for 2.1 to be regression tested against 
>> existing implementations. For example, we could make an implementation 
>> that doesn't do the DH association step and see which implementations 
>> that breaks.
>>
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> 
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