[Launchpad-dev] Bzr plugin for guessing relevant test modules: Fault line

[Jelmer Vernooij]

On Wed, 2011-06-01 at 12:05 +0100, Jelmer Vernooij wrote:
> On Tue, 2011-05-31 at 10:51 -0400, Aaron Bentley wrote:
> > I've hacked up a bzr plugin for guessing which test modules you should
> > run considering the files you've changed.
> > 
> > https://launchpad.net/fault-line
> > 
> > To install:
> > bzr branch lp:fault-line ~/.bazaar/plugins/faultline -Derror
> > 
> > It works by looking at previous revisions where the file was changed,
> > and seeing what test files were changed at the same time.  You can
> > specify the files, or it will autodetect them by looking at your working
> > tree.
> > 
> > e.g.
> > $ bzr faultline
> > lib/lp/soyuz/test /test_archive.py
> > 
> > lib/lp/soyuz/scripts/tests/test_copypackage.py
> > lib/lp/soyuz/browser/tests/test_archive_webservice.py
> > lib/lp/code/windmill/tests/test_recipe_request_build.py
> > 
> > It's intended to work with the Launchpad codebase, and assumes files
> > whose names start with "test_" are test modules.
> That's a very nice idea.
> 
> I've hacked on an extension that adds wraps 'bzr selftest' and adds a
> --auto argument, which makes selftest use faultline to determine the
> tests to run. It's a bit hackish, but it does appear to work.

I forgot to mention the Launchpad branch with this; it can be found in :

lp:~jelmer/fault-line/bzr-selftest-support

Cheers,

Jelmer
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