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I agree on many items, but not on all.

Removing tests for workarounds that got fixed /might/ be a speedup, but it for sure has value to those that want to make your module work on older versions of dependencies that are officially not supported.

The author releases a best-effort of their work and tested that against a minimum version of resources. That however is no hard limit. Someone might take the source and make it work on minimumversion - 3 and or with a deprecated version of a module that once was supported but due to lack of maintainers now isn't anymore. Those tests help a lot in getting the new code working in the old environment(s).

For some modules/distributions requiring a "recent" version of perl or other prereq isn't a real problem, but some authors try really hard to make their work function as expected on a range of perl releases and configurations that many of the end users do not really care about, but this will for sure make the code more reliable and probably easier to port to new architectures or configured environments. Having those tests is or might be a slowdown in 95% of the cases but it makes development a lot easier.

I 100% agree with the Tk tests making the desktop useless, certainly if you do 10 in parallal on different systems, but I do not have a sane workaround to that :(

On the floating point numbers, I'd like to add that next to different archtitectures, there are also different configurations. 32bit, 64bit, longdouble and quadmath are a few that have huge impact on test results. I know it is close to impossible for the majority of CPAN authors to verify that all of that works throughout the test suite, but some modules really start off wrong in their expectations. Additional problems will occur in having the test suite communicates with servers with a different architecture (e.g. NFS, databases, SOAP, ...) that make different rounding and truncating change the returned values.

Last but not least, when rolling large sets of installations and or updates, please make your own life easier and start using distroprefs. the CPAN client supports a way to answer all those nasty questions for you with what *you* think are the only appropriate answers. I have mine available on github, but Andreas has an even more extensive set of examples in the distribution. DO NOT BLINDLY COPY! Your preferences might not match!


Enjoy, Have FUN! H.Merijn

In reply to Re: Let's try for a better CPAN experience by Tux
in thread Let's try for a better CPAN experience by cavac

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