[TIP] A tool to guess what tests to run given a diff?

[Kumar McMillan]

On Thu, Apr 7, 2011 at 4:55 PM, Ned Batchelder <ned at nedbatchelder.com> wrote:
> figleaf has a feature called sections which is used to track for each line
> of code which test executed it.  Is that what you're thinking of?

aha, I did try this once (a long time ago) with figleaf.  I don't
think I got it working but I can't remember why.  Hmm, I'll take a
look again.  Thanks Ned.

>
> --Ned.
>
> On 4/7/2011 4:15 PM, Kumar McMillan wrote:
>>
>> My search-foo is failing but I thought there was a post on TIP or
>> mention somewhere in the community about a tool that can be used to
>> guess what tests to run based on a diff.  Does this ring a bell?  For
>> a very large test suite I'd like to take my current diff that affects
>> unknown parts of the system and figure out which tests I should run.
>> This obviously would never be 100% accurate but it might serve as a
>> quick spot check before pushing to a continuous integration server
>> that will run the whole entire suite.  Slow tests are not fun.
>>
>> I guess this would work in reverse to code coverage: you'd take a
>> function or module and ask which tests execute that code.  Python's
>> trace will probably support this but it would be nice if someone has
>> already done the work to set it up.
>>
>> -Kumar
>>
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>