EToys Tests thoughts [Was: Re: [V3dot10] eToys in 3.10 and beyond]

Milan Zimmermann milan.zimmermann at
Wed Jan 17 20:43:19 UTC 2007

On 2007 January 17 10:01, Ralph Johnson wrote:
> On 1/14/07, Milan Zimmermann <milan.zimmermann at> wrote:
> > The list describe tests I plan to create. I have little idea whether, if
> > implemented, this will help or not and I would appreciate any comments,
> > mainly on usefulness Steps 6 and 7 (8 and 9 are just expansions on 7) -
> I'm skeptical of step 6 but I think the tests in step 7 would be very
> useful.


Thanks for your feedback. I completely agree with step 6 breaking on 
refactoring of message names, it should not be a test. I am now thinking it 
could be useful as a utility (run manually) to support the process of 
separating a module (e.g. etoys) from the image. As I hope any separated 
module (etoys) would be loadable, the utility would compare whether messages 
that existed before separation are still there after reloading the newly 
separated module, does that sound useful or am I missing something..

thanks Milan

> My experience is that it is better to test the behavior of programs
> than to test their structure.  The tests of step 6 will break every
> time someone refactors the code.
> -Ralph
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