[Python-Dev] PEP 380 (yield from a subgenerator) comments

[Nick Coghlan]

Greg Ewing wrote:
> Nick Coghlan wrote:
> 
>> Although the PEP may still want to mention how one would write *tests*
>> for these things. Will the test drivers themselves need to be generators
>> participating in some kind of trampoline setup?
> 
> I don't see that tests are fundamentally different
> from any other code that wants to call a value-returning
> generator and get the value without becoming a generator
> itself. So if it's to be mentioned in the PEP at all,
> a general solution might as well be given (whether it's
> to use a trampoline or just write the necessary next()
> and except code).

Agreed the problem is more general than just testing - but a test driver
is potentially interesting in that you probably want the same test suite
to be able to test both normal code and the cooperative multitasking code.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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