I find it really helps TDD to have my tests run automatically whenever I change either a test or the code itself. I set my editor (Sublime Text 3) to auto save upon defocus, so it's actually impossible to avoid a test rerun whenever I alter a file and move on or hit save.
For this, I regularly use Jonathan Hartley's rerun Python library[0] which gives the ability to wrap my py.test or tox command like so: rerun --ignore sqlite.db "py.test tests/" The --ignore part is very important, as different test suites end up altering various working directory files, and if you can't select files/folders (file patterns would be even better) to ignore, you end up in an un-pausing loop of test reruns. I hadn't heard of looponchange can it ignore certain files/folders? [0] https://pypi.python.org/pypi/rerun > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 27 Mar 2015 14:55:31 +0000 > From: Tibor Arpas <[email protected]> > To: "[email protected]" <[email protected]> > Subject: [pytest-dev] re-running pytest on file changes > Message-ID: > < > cadi_wy3cbdaofds8+ov5irof6qzvjsx+_psmcbk-ss1uobg...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hi, > > I'm trying to wrap my head around this subject. > > Is there a strong reason why the -f looponfail option is inside a plug-in? > My hunch would be to do it as a separate, flexible, command, but that's > just feelings without any experience. > > Poll: Do you guys use looponfail? Has it been working good? Does it play > nice with other tasks you might want to do on file changes? What other > tools do you use for repeated tasks on source code changes? > > What's the situation at the moment with --looponfail and --looponchange? Is > it going to be inside pytest_cache which will go into core? Or it will be a > different plug-in? > > I've seen > https://bitbucket.org/pytest-dev/pytest/commits/b5727cc6632c/ > > and the "take in cache" PR. > > > Tibor > P.S. some more thoughts about the same functionality are here: > https://github.com/tarpas/testmon/issues/4 > and a script whith callbacks for every success and failure: > https://github.com/blueyed/testmon/blob/tmon-improvements/testmon/tmon.py > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://mail.python.org/pipermail/pytest-dev/attachments/20150327/a09d699c/attachment-0001.html > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > pytest-dev mailing list > [email protected] > https://mail.python.org/mailman/listinfo/pytest-dev > > > ------------------------------ > > End of pytest-dev Digest, Vol 28, Issue 22 > ****************************************** >
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