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

[Eduardo Schettino]

On Sun, Apr 10, 2011 at 10:49 PM, Eduardo Schettino
<schettino72 at gmail.com> wrote:
> On Fri, Apr 8, 2011 at 4:15 AM, Kumar McMillan <kumar.mcmillan at gmail.com> 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 use doit (http://python-doit.sourceforge.net/) to achieve something
> like that.
> But it can be used at module level, checking for changes at modules
> not on functions.
>
> It is not an out of the box test runner. So you need to define what
> are the dependencies
> and call your test runner by yourself...

I wrote a pytest plugin that can do this:
http://pypi.python.org/pypi/pytest-incremental

cheers,
  Eduardo